uid=HFR,o=lter,dc=ecoinformatics,dc=org all public read doi:10.6073/pasta/43f37233c7c9ee1513d674ea2a0510c7 William Munger https://orcid.org/0000-0002-1042-8452 Julian Hadley Mark VanScoy Researcher Liza Nicoll Researcher 2025 English

Microclimatic data are collected continuously within footprint areas of the flux towers in order to (1) understand relationships between climatic and microclimatic conditions and carbon dioxide and water vapor exchange between forest and atmosphere, (2) to develop predictive models for the exchange rates of these gases, based on microclimate data, (3) detect long-term trends in climate and microclimate at the sites and (4) determine whether the response of carbon dioxide and water vapor exchange processes to climate or microclimate is changing over time. The primary climatic and microclimatic variables measured at these sites include: above-canopy photosynthetically active radiation (PAR), forest understory PAR at 1 m height, total net radiation exchange measured above the forest canopy, air temperature and relative humidity above the forest canopy, forest understory air temperature at 20 cm and 1 m above ground level (shielded but not ventilated thermocouple sensors, used only to estimate nighttime understory air temperature), soil temperature at 10 cm depth, and soil moisture.

air temperature microclimate net radiation photosynthetically active radiation relative humidity soil temperature LTER controlled vocabulary primary production LTER core area Harvard Forest HFR LTER USA HFR default

This dataset is released to the public under Creative Commons CC0 1.0 (No Rights Reserved). Please keep the dataset creators informed of any plans to use the dataset. Consultation with the original investigators is strongly encouraged. Publications and data products that make use of the dataset should include proper acknowledgement.

Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html CC0-1.0 https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf206 Prospect Hill Tract (Harvard Forest). Coordinates based on WGS84 datum. -72.185 -72.171 +42.542 +42.538 340 380 meter 2005 2025 genus Acer species rubrum red maple genus Betula species alleghaniensis yellow birch species lenta black birch species papyrifera paper birch genus Pinus species resinosa red pine species strobus white pine genus Quercus species alba white oak species rubra red oak species velutina black oak genus Tsuga species canadensis hemlock ongoing Information Manager Harvard Forest

324 North Main Street Petersham MA 01366 USA

(978) 724-3302 hf-im@lists.fas.harvard.edu Harvard Forest

324 North Main Street Petersham MA 01366 USA

(978) 724-3302 (978) 724-3595 https://harvardforest.fas.harvard.edu

Air and soil temperature thermocouple sensors: Copper-constantan, hand-made from wire supplied by Omega Engineering (Stamford, CT, USA). Photosynthetically active radiation (PAR): LI-190 SA quantum sensors--Licor. Co-located air temperature and relative humidity sensors: Campbell HMP 45C (replaced august 2014); Campbell CS215 (august 2014 – present). Aspirated Radiation shield: Model 43502 RM Young (2014-present). Radiation-shielded and ventilated precision air temperature sensors (2010-2014): Met-One, Inc., Grants Pass, OR, USA). Soil moisture sensors: Campbell CS-616. Net radiometer: Kippen Zonen, NR-Lite (2005-2014).

On the flux tower, the PAR and HMP 45C temperature and relative humidity sensors are about 24 m above the ground, higher than all but a few branches of the surrounding trees. The aspirated precision air temperature is at about 23 m above ground. The net radiometer is about 28.5 m above ground, near the height of the sonic anemometer and intake ports for the eddy flux system (29 m). The HK2 datalogger is 100 m from the tower at a compass bearing of about 200 degrees, and the HK3 datalogger is 100 m from the tower at a 230-degree bearing. Around each of these datalogger, 3 understory PAR sensors are located at randomly chosen distances of 30 to 50 m at compass bearings of 0, 120 and 240 degrees from the datalogger. Four 10-cm deep soil temperature thermocouples are at randomly chosen distances of 10 to 20 m due N, E, S, and W of each datalogger. Two pairs of thermocouples that measure understory air temperature at 20 cm and 1 m above ground, shielded from radiant exchange with the sky, are at randomly chosen distances of 10 to 20 m N and S of each datalogger. In July 2014 all micro met sensors were moved to a new Rohn 45 GSR, 33 meter tower. This tower is 10 meters northeast of the old walkup tower. At that time some of the sensors were upgraded. Soil temperature thermocouple sensors: Copper-constantan, hand-made from wire supplied by Omega Engineering (Stamford, CT, USA). Photosynthetically active radiation (PAR): LI-190 SA quantum sensors--Licor. Co-located air temperature and relative humidity sensors: Campbell HMP CS215. Aspirated radiation shield and 05103 wind monitor: RM Young(Traverse City, Michigan). Soil moisture sensors: Campbell CS-616. NR01 Four component net radiometer: Hukseflux USA (Manorville, NY). On the south side of the flux tower, the four component net radiometer, PAR (up and down facing), aspirated temperature and RH are about 32 above the ground, higher than branches of the surrounding trees. These are at the same height as the sonic anemometer and intake ports for the eddy flux system (32 m). The mid canopy sensors are located at 20 meters and include PAR and aspirated temperate and RH. The lower canopy are located at 10 meters and include PAR and aspirated temperate and RH. The wind speed and direction anemometer is located at 34 meters at the top of the tower. The HK2 datalogger is 100 m from the tower at a compass bearing of about 200 degrees, and the HK3 datalogger is 100 m from the tower at a 230-degree bearing. Around each of these datalogger, 3 understory PAR sensors are located at randomly chosen distances of 30 to 50 m at compass bearings of 0, 120 and 240 degrees from the datalogger. Four 10-cm deep soil temperature thermocouples are at randomly chosen distances of 10 to 20 m due N, E, S, and W of each datalogger. Two pairs of thermocouples that measure understory air temperature at 20 cm and 1 m above ground, shielded from radiant exchange with the sky, are at randomly chosen distances of 10 to 20 m N and S of each datalogger. Two soil moisture sensors are set to measure the top 15 cm soil north and south of the datalogger.

On the flux tower, the PAR sensor is at the level of the highest canopy branches (about 21 m above the ground), the HMP 45C temperature and relative humidity sensor is about 2 m higher than this, and the aspirated high precision temperature sensor is about 24 m above ground. The net radiometer is about 27 m above ground. The LP225B datalogger is 200 m from the tower at a compass bearing of 225 degrees, and the LP300B datalogger is 200 m from the tower at a 300-degree bearing. Around each of these, 3 understory PAR sensors are located at randomly chosen distances of 20 to 30 m at compass bearings of 0, 120 and 240 degrees from the datalogger. Four 10-cm deep soil temperature thermocouples are at randomly chosen distances of 10 to 20 m due N, E, S, and W of each datalogger. The thermocouples for soil temperature measurement are inserted at an angle of 45 degrees from horizontal, to increase the length of buried wire and reduce heat conduction from the surface to the buried thermocouple. Two pairs of thermocouples that measure understory air temperature at 20 cm and 1 m above ground, shielded from radiant exchange with the sky, are at randomly chosen distances of 10 to 20 m N and S of each datalogger. Microclimate and eddy covariance measurements were discontinued at this site at the end of December of 2010.

Two sets of instrumentation were established in the footprint of the EMS Flux tower. EMS1 has 3 understory PAR sensors are located within the C3, C2, and B2 EMS biometry plots. EMS2 has 3 understory PAR sensors are located within the F3, F2, and E3 EMS biometry plots. Four 10-cm deep soil temperature thermocouples are at randomly chosen distances of 10 to 20 m due N, E, S, and W of each datalogger. Two pairs of thermocouples that measure understory air temperature at 20 cm and 1 m above ground, shielded from radiant exchange with the sky, are at randomly chosen distances of 10 to 20 m N and S of each datalogger. Two soil moisture sensors are set to measure the top 15 cm soil north and south of the datalogger.

Harvard Forest

324 North Main Street Petersham MA 01366 USA

(978) 724-3302 (978) 724-3595 https://harvardforest.fas.harvard.edu https://ror.org/059cpzx98 pointOfContact The Harvard Forest Long-Term Ecological Research (LTER) program examines ecological dynamics in the New England region resulting from natural disturbances, environmental change, and human impacts. National Science Foundation LTER grants: DEB-8811764, DEB-9411975, DEB-0080592, DEB-0620443, DEB-1237491, DEB-1832210. hf206-01-HK-micro-2005-2014.csv Hemlock microclimate, 2005-2014 hf206-01-HK-micro-2005-2014.csv 52603880 2a45909c2d9a4eb1d0e6fa8ae5e96f0c 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p20/hf206/hf206-01-HK-micro-2005-2014.csv year year YYYY NA missing value datetime date and time (EST) YYYY-MM-DDThh:mm NA missing value dec_date day of year, with hour of day converted to a fraction of a day nominalDay 0.0001 real NA missing value month month month NA missing value par photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_adj photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor. Adjusted for sensor drift. micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_fill photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor. Adjusted for sensor drift and filled with estimated values. micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_flag flag indicating estimated PAR value 0 measured value 1 estimated value NA missing value net_rad net radiation measured above the canopy at 28.5m wattPerMeterSquared 0.01 real NA missing value ac_tair_csi air temperature measured above the canopy at 24 m height by a Campbell Scientific HMP35C sensor celsius 0.01 real NA missing value ac_tair_csi_fill air temperature measured above the canopy at 24 m height by a Campbell Scientific HMP35C sensor. Filled with estimated values. celsius 0.01 real NA missing value ac_tair_csi_flag flag indicating estimated AC_Tair_CSI value 0 measured value 1 estimated value NA missing value rh relative humidity measured above the canopy at 23 m height by a Campbell Scientific HMP45C sensor dimensionless 0.1 real NA missing value ac_tair_toc air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value ac_tair_toc_fill air temperature measured above the canopy at 24m by a shaded thermocouple. Filled with estimated values. celsius 0.01 real NA missing value ac_tair_toc_flag flag indicating estimated ac_tair_toc value 0 measured value 1 estimated value NA missing value wvp water vapor pressure kilopascal 0.0001 real NA missing value wvp_act actual water vapor pressure kilopascal 0.0001 real NA missing value vpd vapor pressure deficit kilopascal 0.0001 real NA missing value vpd_fill vapor pressure defecit. Filled with estimated values. kilopascal 0.0001 real NA missing value vpd_flag flag indicating estimated VPD value 0 measured value 1 estimated value NA missing value tair_us_1m air temperature measured below the canopy at 1m celsius 0.1 real NA missing value tsoil1 soil temperature 1 measured at 10 cm depth celsius 0.001 real NA missing value tsoil2 soil temperature 2 measured at 10 cm depth celsius 0.001 real NA missing value tsoil3 soil temperature 3 measured at 10 cm depth celsius 0.001 real NA missing value tsoil4 soil temperature 4 measured at 10 cm depth celsius 0.001 real NA missing value tsoil5 soil temperature 5 measured at 10 cm depth celsius 0.001 real NA missing value tsoil6 soil temperature 6 measured at 10 cm depth celsius 0.001 real NA missing value tsoil_ave average of soil temperature 1-6 measured at 10 cm depth celsius 0.001 real NA missing value ac_tair_asp air temperature measured above the canopy at 23m by an aspirated precision sensor celsius 0.01 real NA missing value par_max maximum photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.1 real NA missing value net_rad_max maximum net radiation measured above the canopy at 28.5m wattPerMeterSquared 0.01 real NA missing value ac_tair_csi_max maximum air temperature measured above the canopy at 24 m height by a Campbell Scientific HMP35C sensor celsius 0.01 real NA missing value rh_max maximum relative humidity measured above the canopy at 23 m height by a Campbell Scientific HMP45C sensor dimensionless 0.1 real NA missing value ac_tair_toc_max maximum air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value tair_us_1m_max maximum air temperature measured below the canopy at 1m celsius 0.01 real NA missing value tsoil1_max maximum soil temperature 1 measured at 10 cm depth celsius 0.001 real NA missing value tsoil2_max maximum soil temperature 2 measured at 10 cm depth celsius 0.001 real NA missing value tsoil3_max maximum soil temperature 3 measured at 10 cm depth celsius 0.001 real NA missing value tsoil4_max maximum soil temperature 4 measured at 10 cm depth celsius 0.001 real NA missing value tsoil5_max maximum soil temperature 5 measured at 10 cm depth celsius 0.001 real NA missing value tsoil6_max maximum soil temperature 6 measured at 10 cm depth celsius 0.001 real NA missing value ac_tair_asp_max maximum air temperature measured above the canopy at 23m by an aspirated precision sensor celsius 0.01 real NA missing value par_min minimum photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.1 real NA missing value net_rad_min minimum net radiation measured above the canopy at 28.5m wattPerMeterSquared 0.01 real NA missing value ac_tair_csi_min minimum air temperature measured above the canopy at 24 m height by a Campbell Scientific HMP35C sensor celsius 0.01 real NA missing value rh_min minimum relative humidity measured above the canopy at 23 m height by a Campbell Scientific HMP45C sensor dimensionless 0.01 real NA missing value ac_tair_toc_min minimum air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value tair_us_1m_min minimum air temperature measured below the canopy at 1m celsius 0.01 real NA missing value tsoil1_min minimum soil temperature 1 measured at 10 cm depth celsius 0.001 real NA missing value tsoil2_min minimum soil temperature 2 measured at 10 cm depth celsius 0.001 real NA missing value tsoil3_min minimum soil temperature 3 measured at 10 cm depth celsius 0.001 real NA missing value tsoil4_min minimum soil temperature 4 measured at 10 cm depth celsius 0.001 real NA missing value tsoil5_min minimum soil temperature 5 measured at 10 cm depth celsius 0.001 real NA missing value tsoil6_min minimum soil temperature 6 measured at 10 cm depth celsius 0.001 real NA missing value ac_tair_asp_min minimum air temperature measured above the canopy at 23m by an aspirated precision sensor celsius 0.01 real NA missing value 174675 hf206-02-HK-micro-2014-present.csv Hemlock microclimate, 2014-present hf206-02-HK-micro-2014-present.csv 111394958 d4288a5bb32bb5a906adec15cc0d0045 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p20/hf206/hf206-02-HK-micro-2014-present.csv datetime date and time (EST) YYYY-MM-DDThh:mm 1 minute NA missing value year year YYYY 1 year NA missing value dec_day day of year with hour of day converted to fraction of day nominalDay 0.0001 real NA missing value month month month NA missing value par photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.001 real NA missing value net_rad net radiation measured above the canopy at 30m wattPerMeterSquared 0.1 real NA missing value tair_ac air temperature with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor celsius 0.01 real NA missing value rh relative humidity with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor dimensionless 0.01 real NA missing value tair_ac_toc air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value wvp water vapor pressure kilopascal 0.000000001 real NA missing value wvp_act actual water vapor pressure kilopascal 0.000000001 real NA missing value vpd vapor pressure deficit kilopascal 0.000000001 real NA missing value tair_us_1m air temperature measured below the canopy at 1m celsius 0.01 real NA missing value tsoil1 soil temperature 1 measured at 10 cm depth celsius 0.01 real NA missing value tsoil2 soil temperature 2 measured at 10 cm depth celsius 0.01 real NA missing value tsoil3 soil temperature 3 measured at 10 cm depth celsius 0.01 real NA missing value tsoil4 soil temperature 4 measured at 10 cm depth celsius 0.01 real NA missing value tsoil5 soil temperature 5 measured at 10 cm depth celsius 0.01 real NA missing value tsoil6 soil temperature 6 measured at 10 cm depth celsius 0.01 real NA missing value tsoil_ave average of soil temperature 1-6 measured at 10 cm depth celsius 0.001 real NA missing value par_ac_down photosynthetically active radiation measured above the canopy at 30 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value par_mid photosynthetically active radiation measured above the canopy at 20 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value par_low photosynthetically active radiation measured above the canopy at 10 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value albedo Albedo as measured by NR01 at 30m wattPerMeterSquared 0.000000001 real NA missing value rs_down SWin (downwelling) solar radiation from upfacing pyranometer on NR01 wattPerMeterSquared 0.000001 real NA missing value rs_up SWout (upwelling) solar radiation from downfacing pyranometer on NR01 wattPerMeterSquared 0.0000001 real NA missing value rl_down LWin (downwelling) Far infrared radiation from up facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value rl_up LWout (upwelling) Far infrared radiation from down facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value tnr01 temperature of NR01 sensor kelvin 0.0001 real NA missing value tair_mid air temperature with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor celsius 0.00001 real NA missing value rh_mid relative humidity with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor dimensionless 0.00001 real NA missing value tair_low air temperature with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor celsius 0.00001 real NA missing value rh_low relative humidity with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor dimensionless 0.00001 real NA missing value ws wind speed metersPerSecond 0.001 real NA missing value wsres average horizontal resultant vector wind speed. Vector average of daily averages metersPerSecond 0.001 real NA missing value winddir wind direction degree 0.01 real NA missing value winddir_sd1 wind direction standard deviation degree 0.01 real NA missing value par_max maximum photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.001 real NA missing value net_rad_max maximum net radiation measured above the canopy at 30m wattPerMeterSquared 0.01 real NA missing value tair_ac_max maximum air temperature with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor celsius 0.01 real NA missing value rh_max maximum relative humidity with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor dimensionless 0.01 real NA missing value tair_ac_toc_max maximum air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value tair_us_1m_max maximum air temperature measured below the canopy at 1m celsius 0.01 real NA missing value tsoil1_max maximum soil temperature 1 measured at 10 cm depth celsius 0.01 real NA missing value tsoil2_max maximum soil temperature 2 measured at 10 cm depth celsius 0.01 real NA missing value tsoil3_max maximum soil temperature 3 measured at 10 cm depth celsius 0.01 real NA missing value tsoil4_max maximum soil temperature 4 measured at 10 cm depth celsius 0.01 real NA missing value tsoil5_max maximum soil temperature 5 measured at 10 cm depth celsius 0.01 real NA missing value tsoil6_max maximum soil temperature 6 measured at 10 cm depth celsius 0.01 real NA missing value par_ac_down_max photosynthetically active radiation measured above the canopy at 30 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.000000001 real NA missing value par_mid_max maximum photosynthetically active radiation measured mid canopy at 20 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.000000001 real NA missing value par_low_max maximum photosynthetically active radiation measured lower canopy at 10 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value albedo_max maximum Albedo as measured by NR01 at 30m wattPerMeterSquared 0.0000001 real NA missing value rs_down_max maximum SWin (downwelling) solar radiation from upfacing pyranometer on NR01 wattPerMeterSquared 0.0000001 real NA missing value rs_up_max maximum SWout (upwelling) solar radiation from downfacing pyranometer on NR01 wattPerMeterSquared 0.00000001 real NA missing value rl_down_max maximum LWin (downwelling) Far infrared radiation from up facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value rl_up_max maximum LWout (upwelling) Far infrared radiation from down facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value tair_mid_max maximum air temperature with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor celsius 0.001 real NA missing value rh_mid_max maximum relative humidity with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor dimensionless 0.001 real NA missing value tair_low_max maximum air temperature with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor celsius 0.001 real NA missing value rh_low_max maximum relative humidity with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor dimensionless 0.001 real NA missing value par_min minimum photosynthetically active radiation measured above the canopy at 24 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.001 real NA missing value net_rad_min minimum net radiation measured above the canopy at 30m wattPerMeterSquared 0.001 real NA missing value tair_ac_min minimum air temperature with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor celsius 0.01 real NA missing value rh_min minimum relative humidity with aspirated radiation shield measured above the canopy at 33m height by a Campbell Scientific CS215 sensor dimensionless 0.01 real NA missing value tair_ac_toc_min minimum air temperature measured above the canopy at 24m by a shaded thermocouple celsius 0.01 real NA missing value tair_us_1m_min minimum air temperature measured below the canopy at 1m celsius 0.01 real NA missing value tsoil1_min minimum soil temperature 1 measured at 10 cm depth celsius 0.01 real NA missing value tsoil2_min minimum soil temperature 2 measured at 10 cm depth celsius 0.01 real NA missing value tsoil3_min minimum soil temperature 3 measured at 10 cm depth celsius 0.01 real NA missing value tsoil4_min minimum soil temperature 4 measured at 10 cm depth celsius 0.01 real NA missing value tsoil5_min minimum soil temperature 5 measured at 10 cm depth celsius 0.01 real NA missing value tsoil6_min minimum soil temperature 6 measured at 10 cm depth celsius 0.01 real NA missing value par_ac_down_min photosynthetically active radiation measured above the canopy at 30 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value par_mid_min minimum photosynthetically active radiation measured mid canopy at 20 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value par_low_min minimum photosynthetically active radiation measured lower canopy at 10 m height by a Licor 190S quantum sensor micromolePerMeterSquaredPerSecond 0.00000001 real NA missing value albedo_min minimum Albedo as measured by NR01 at 30m wattPerMeterSquared 0.00000001 real NA missing value rs_down_min minimum SWin (downwelling) solar radiation from upfacing pyranometer on NR01 wattPerMeterSquared 0.000001 real NA missing value rs_up_min minimum SWout (upwelling) solar radiation from downfacing pyranometer on NR01 wattPerMeterSquared 0.0000001 real NA missing value rl_down_min minimum LWin (downwelling) Far infrared radiation from up facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value rl_up_min minimum LWout (upwelling) Far infrared radiation from down facing pygeometer on NR01 wattPerMeterSquared 0.0001 real NA missing value tair_mid_min minimum air temperature with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor celsius 0.001 real NA missing value rh_mid_min minimum relative humidity with aspirated radiation shield measured mid canopy at 20m height by a Campbell Scientific CS215 sensor dimensionless 0.001 real NA missing value tair_low_min minimum air temperature with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor celsius 0.001 real NA missing value rh_low_min minimum relative humidity with aspirated radiation shield measured lower canopy at 10m height by a Campbell Scientific CS215 sensor dimensionless 0.001 real NA missing value 181417 hf206-03-HK-understory.csv Hemlock understory hf206-03-HK-understory.csv 138435184 1a5e94b5e38cdeb4e1b07168d4963a65 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p20/hf206/hf206-03-HK-understory.csv year year YYYY NA missing value datetime date and time (EST) YYYY-MM-DDThh:mm:ss NA missing value dec_date decimal day, with hour of day converted to a fraction of a day nominalDay 0.0001 real NA missing value doy day of year nominalDay natural NA missing value hour hour hour (hh:mm) NA missing value dec_hour decimal hour nominalHour 0.1 real NA missing value par1_ave understory photosynthetically active radiation 1, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.0001 real NA missing value par2_ave understory photosynthetically active radiation 2, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.0001 real NA missing value par3_ave understory photosynthetically active radiation 3, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.0001 real NA missing value tsoil1_ave understory soil temperature 1, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil2_ave understory soil temperature 2, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil3_ave understory soil temperature 3, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil4_ave understory soil temperature 4, measured at 10cm depth by the HK2 datalogger celsius 0.0001 real NA missing value tair1_us_1m_ave understory air temperature 1, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair1_us_20cm_ave understory air temperature 1, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_1m_ave understory air temperature 2, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_20cm_ave understory air temperature 2, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value swc1_ave soil water content 1, measured by the HK2 datalogger dimensionless 0.001 real NA missing value swc2_ave soil water content 2, measured by the HK2 datalogger dimensionless 0.001 real NA missing value par4_ave understory photosynthetically active radiation 4, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par5_ave understory photosynthetically active radiation 5, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par6_ave understory photosynthetically active radiation 6, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil5_ave understory soil temperature 5, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil6_ave understory soil temperature 6, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil7_ave understory soil temperature 7, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil8_ave understory soil temperature 8, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_1m_ave understory air temperature 3, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_20cm_ave understory air temperature 3, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_1m_ave understory air temperature 4, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_20cm_ave understory air temperature 4, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value swc3_ave soil water content 3, measured by the HK3 datalogger dimensionless 0.001 real NA missing value swc4_ave soil water content 4, measured by the HK3 datalogger dimensionless 0.001 real NA missing value par1_max maximum understory photosynthetically active radiation 1, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par2_max maximum understory photosynthetically active radiation 2, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par3_max maximum understory photosynthetically active radiation 3, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil1_max maximum understory soil temperature 1, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil2_max maximum understory soil temperature 2, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil3_max maximum understory soil temperature 3, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil4_max maximum understory soil temperature 4, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tair1_us_1m_max maximum understory air temperature 1, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair1_us_20cm_max maximum understory air temperature 1, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_1m_max maximum understory air temperature 2, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_20cm_max maximum understory air temperature 2, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value swc1_max maximum soil water content 1, measured by the HK2 datalogger dimensionless 0.001 real NA missing value swc2_max maximum soil water content 2, measured by the HK2 datalogger dimensionless 0.001 real NA missing value par4_max maximum understory photosynthetically active radiation 4, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par5_max maximum understory photosynthetically active radiation 5, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par6_max maximum understory photosynthetically active radiation 6, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil5_max maximum understory soil temperature 5, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil6_max maximum understory soil temperature 6, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil7_max maximum understory soil temperature 7, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil8_max maximum understory soil temperature 8, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_1m_max maximum understory air temperature 3, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_20cm_max maximum understory air temperature 3, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_1m_max maximum understory air temperature 4, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_20cm_max maximum understory air temperature 4, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value swc3_max maximum soil water content 3, measured by the HK3 datalogger dimensionless 0.001 real NA missing value swc4_max maximum soil water content 4, measured by the HK3 datalogger dimensionless 0.001 real NA missing value par1_min minimum understory photosynthetically active radiation 1, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par2_min minimum understory photosynthetically active radiation 2, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par3_min minimum understory photosynthetically active radiation 3, measured by the HK2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil1_min minimum understory soil temperature 1, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil2_min minimum understory soil temperature 2, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil3_min minimum understory soil temperature 3, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tsoil4_min minimum understory soil temperature 4, measured at 10cm depth by the HK2 datalogger celsius 0.001 real NA missing value tair1_us_1m_min minimum understory air temperature 1, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair1_us_20cm_min understory air temperature 1, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_1m_min understory air temperature 2, measured at 1m by the HK2 datalogger celsius 0.001 real NA missing value tair2_us_20cm_min understory air temperature 2, measured at 20cm by the HK2 datalogger celsius 0.001 real NA missing value swc1_min minimum soil water content 1, measured by the HK2 datalogger dimensionless 0.001 real NA missing value swc2_min minimum soil water content 2, measured by the HK2 datalogger dimensionless 0.001 real NA missing value par4_min minimum understory photosynthetically active radiation 4, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par5_min minimum understory photosynthetically active radiation 5, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par6_min minimum understory photosynthetically active radiation 6, measured by the HK3 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil5_min minimum understory soil temperature 5, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil6_min minimum understory soil temperature 6, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil7_min minimum understory soil temperature 7, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tsoil8_min minimum understory soil temperature 8, measured at 10cm depth by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_1m_min minimum understory air temperature 3, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair3_us_20cm_min minimum understory air temperature 3, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_1m_min minimum understory air temperature 4, measured at 1m by the HK3 datalogger celsius 0.001 real NA missing value tair4_us_20cm_min minimum understory air temperature 4, measured at 20cm by the HK3 datalogger celsius 0.001 real NA missing value swc3_min minimum soil water content 3, measured by the HK3 datalogger dimensionless 0.001 real NA missing value swc4_min minimum soil water content 4, measured by the HK3 datalogger dimensionless 0.001 real NA missing value 298101 hf206-04-LPH-understory-2005-2010.csv LPH understory, 2005-2010 hf206-04-LPH-understory-2005-2010.csv 18459578 d7bd89c636b0a650f29779b0a625dcf4 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p20/hf206/hf206-04-LPH-understory-2005-2010.csv year year YYYY 1 year NA missing value datetime date and time (EST) YYYY-MM-DDThh:mm NA missing value dec_date decimal day, with hour of day converted to a fraction of a day nominalDay 0.0001 real NA missing value doy day of year nominalDay 1 natural NA missing value dec_hour decimal hour nominalHour 0.1 real NA missing value us_par1 understory photosynthetically active radiation 1, measured by the LPH225 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value us_par2 understory photosynthetically active radiation 2, measured by the LPH225 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value us_par3 understory photosynthetically active radiation 3, measured by the LPH225 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value us_par4 understory photosynthetically active radiation 1, measured by the LPH300 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value us_par5 understory photosynthetically active radiation 2, measured by the LPH300 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value us_par6 understory photosynthetically active radiation 3, measured by the LPH300 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil1 understory soil temperature 1, measured at 10cm depth by the LPH225 datalogger celsius 0.001 real NA missing value tsoil2 understory soil temperature 2, measured at 10cm depth by the LPH225 datalogger celsius 0.001 real NA missing value tsoil3 understory soil temperature 3, measured at 10cm depth by the LPH225 datalogger celsius 0.001 real NA missing value tsoil4 understory soil temperature 4, measured at 10cm depth by the LPH225 datalogger celsius 0.001 real NA missing value tsoil5 understory soil temperature 5, measured at 10cm depth by the LPH225 datalogger celsius 0.001 real NA missing value tsoil6 understory soil temperature 1, measured at 10cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tsoil7 understory soil temperature 2, measured at 10cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tsoil8 understory soil temperature 3, measured at 10cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tsoil9 understory soil temperature 4, measured at 10cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tlitter1 understory organic soil temperature 1, measured at 2cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tlitter2 understory organic soil temperature 2, measured at 2cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tlitter3 understory organic soil temperature 3, measured at 2cm depth by the LPH300 datalogger celsius 0.001 real NA missing value tlitter4 understory organic soil temperature 4, measured at 2cm depth by the LPH300 datalogger celsius 0.001 real NA missing value us_tair_south20cm understory air temperature south, measured at 20cm by the LPH225 datalogger celsius 0.001 real NA missing value us_tair_north20cm understory air temperature north, measured at 20cm by the LPH225 datalogger celsius 0.001 real NA missing value us_tair_south1m understory air temperature south, measured at 1m by the LPH225 datalogger celsius 0.001 real NA missing value us_tair_north1m understory air temperature north, measured at 1m by the LPH225 datalogger celsius 0.001 real NA missing value us_tair2_south20cm understory air temperature south, measured at 20cm by the LPH300 datalogger celsius 0.001 real NA missing value us_tair2_north20cm understory air temperature north, measured at 20cm by the LPH300 datalogger celsius 0.001 real NA missing value us_tair2_south1m understory air temperature south, measured at 1m by the LPH300 datalogger celsius 0.001 real NA missing value us_tair2_north1m understory air temperature north, measured at 1m by the LPH300 datalogger celsius 0.001 real NA missing value vwc1 soil water content 1, measured by the LPH225 datalogger dimensionless 0.001 real NA missing value vwc2 soil water content 2, measured by the LPH225 datalogger dimensionless 0.001 real NA missing value wvc3 soil water content 1, measured by the LPH300 datalogger dimensionless 0.001 real NA missing value wvc4 soil water content 2, measured by the LPH300 datalogger dimensionless 0.001 real NA missing value 89713 hf206-05-EMS-understory.csv EMS understory hf206-05-EMS-understory.csv 140204112 94d70d32eaaee53996b25fd5dafe6715 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p20/hf206/hf206-05-EMS-understory.csv year year YYYY 1 year NA missing value datetime date and time (EST) YYYY-MM-DDThh:mm NA missing value doy day of year nominalDay 1 natural NA missing value dec_hour decimal hour nominalHour 0.1 real NA missing value dec_date decimal day, with hour of day converted to a fraction of a day nominalDay 0.0000001 real NA missing value par_c3_ave average understory photosynthetically active radiation at boimetry plot C3, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_b2_ave average understory photosynthetically active radiation at boimetry plot B2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_c2_ave average understory photosynthetically active radiation at boimetry plot C2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_e3_ave average understory photosynthetically active radiation at boimetry plot E3, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_f3_ave average understory photosynthetically active radiation at boimetry plot F3, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value par_f2_ave average understory photosynthetically active radiation at boimetry plot F2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.1 real NA missing value tsoil1_n_ave average understory soil temperature N, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_s_ave average understory soil temperature S, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_e_ave average understory soil temperature E, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_w_ave average understory soil temperature W, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil2_n_ave average understory soil temperature N, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_s_ave average understory soil temperature S, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_e_ave average understory soil temperature E, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_w_ave average understory soil temperature W, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_e_1m_ave average understory air temperature E, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_e_20cm_ave average understory air temperature E, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_1m_ave average understory air temperature W, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_20cm_ave average understory air temperature W, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_n_1m_ave average understory air temperature N, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_n_20cm_ave average understory air temperature N, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_1m_ave average understory air temperature S, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_20cm_ave average understory air temperature S, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value swc1_ave average soil water content 1, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc2_ave average soil water content 2, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc3_ave average soil water content 3, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value swc4_ave average soil water content 2, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value par_c3_max maximum understory photosynthetically active radiation at boimetry plot C3, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_b2_max maximum understory photosynthetically active radiation at boimetry plot B2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_c2_max maximum understory photosynthetically active radiation at boimetry plot C2, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value par_e3_max maximum understory photosynthetically active radiation at boimetry plot E3, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value par_f3_max maximum understory photosynthetically active radiation at boimetry plot F3, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value par_f2_max maximum understory photosynthetically active radiation at boimetry plot F2, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value tsoil1_n_max maximum understory soil temperature N, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_s_max maximum understory soil temperature S, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_e_max maximum understory soil temperature E, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_w_max maximum understory soil temperature W, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil2_n_max maximum understory soil temperature N, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_s_max maximum understory soil temperature S, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_e_max maximum understory soil temperature E, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_w_max maximum understory soil temperature W, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_e_1m_max maximum understory air temperature E, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_e_20cm_max maximum understory air temperature E, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_1m_max maximum understory air temperature W, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_20cm_max maximum understory air temperature W, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_n_1m_max maximum understory air temperature N, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_n_20cm_max maximum understory air temperature N, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_1m_max maximum understory air temperature S, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_20cm_max maximum understory air temperature S, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value swc1_max maximum soil water content 1, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc2_max maximum soil water content 2, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc3_max maximum soil water content 3, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value swc4_max maximum soil water content 4, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value par_c3_min minimum understory photosynthetically active radiation at boimetry plot C3, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_b2_min minimum understory photosynthetically active radiation at boimetry plot B2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_c2_min minimum understory photosynthetically active radiation at boimetry plot C2, measured by the EMS1 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_e3_min minimum understory photosynthetically active radiation at boimetry plot E3, measured by the EMS2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_f3_min minimum understory photosynthetically active radiation at boimetry plot F3, measured by the EMS2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value par_f2_min minimum understory photosynthetically active radiation at boimetry plot F2, measured by the EMS2 datalogger micromolePerMeterSquaredPerSecond 0.001 real NA missing value tsoil1_n_min minimum understory soil temperature N, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_s_min minimum understory soil temperature S, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_e_min minimum understory soil temperature E, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil1_w_min minimum understory soil temperature W, measured at 10cm depth by the EMS1 datalogger celsius 0.001 real NA missing value tsoil2_n_min minimum understory soil temperature N, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_s_min minimum understory soil temperature S, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_e_min minimum understory soil temperature E, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tsoil2_w_min minimum understory soil temperature W, measured at 10cm depth by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_e_1m_min minimum understory air temperature E, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_e_20cm_min minimum understory air temperature E, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_1m_min minimum understory air temperature W, measured at 1m by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_w_20cm_min minimum understory air temperature W, measured at 20cm by the EMS1 datalogger celsius 0.001 real NA missing value tair_us_n_1m_min minimum understory air temperature N, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_n_20cm_min minimum understory air temperature N, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_1m_min minimum understory air temperature S, measured at 1m by the EMS2 datalogger celsius 0.001 real NA missing value tair_us_s_20cm_min minimum understory air temperature S, measured at 20cm by the EMS2 datalogger celsius 0.001 real NA missing value swc1_min minimum soil water content 1, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc2_min minimum soil water content 2, measured by the EMS1 datalogger dimensionless 0.001 real NA missing value swc3_min minimum soil water content 3, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value swc4_min minimum soil water content 4, measured by the EMS2 datalogger dimensionless 0.001 real NA missing value 302777 plot long-term measurement 1,2,3,4,5 https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf004 https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf103 https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf072