uid=HFR,o=lter,dc=ecoinformatics,dc=org all public read doi:10.6073/pasta/f3adbe87e7e506c720d0d9ee91d2b6c4 David Fitzjarrald https://orcid.org/0000-0002-3767-8558 Ricardo Sakai Matt Czikowsky Researcher 2023 English

Measurements of radiation and soil heat flux at the EMS tower on the Prospect Hill Tract, Harvard Forest, Petersham, Massachusetts. Values are hourly averages.

heat flux net radiation photosynthetically active radiation radiation solar radiation LTER controlled vocabulary disturbance 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=hf102 Prospect Hill Tract (Harvard Forest). Coordinates based on WGS84 datum. -72.171478 -72.171478 +42.537755 +42.537755 340 340 meter 1991 2007 complete 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

Radiation measurements are made from the SUNYA boom at 27 m on the EMS tower.

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. hf102-01-rad-midpt.csv radiation data (since 1991) midpt format hf102-01-rad-midpt.csv 13668555 8b7b8caf16bd8c8ca70108c52b12ffe9 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p10/hf102/hf102-01-rad-midpt.csv datetime date and time of data collection YYYY-MM-DDThh:mm year year of data collection YYYY dec.doy decimal date nominalDay 0.0001 real doy day of year nominalDay 1 whole hour hour nominalHour 0.1 real rn net radiometer wattPerMeterSquared 0.0001 real NA missing value s.up reflected global solar radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.00001 real NA missing value s.dn incoming global solar radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.00001 real NA missing value l.up upwelling longwave radiation wattPerMeterSquared 0.001 real NA missing value l.dn downwelling longwave radiation wattPerMeterSquared 0.001 real NA missing value soilheat soil heat flux at 7 cm, below OA wattPerMeterSquared 0.000001 real NA missing value rn.sum sum of Sup,Sdn,Lup,Ldn with appropriate signs applied. Rnsum=(Sdn+Sup-Ldn+Lup) wattPerMeterSquared 0.000001 real NA missing value par.up upward photosynthetically active radiation millimolePerMeterSquaredPerSecond 0.0000000001 real NA missing value par.dn downward photosynthetically active radiation millimolePerMeterSquaredPerSecond 0.0000000001 real NA missing value 135431 hf102-02-rad-midpt2.csv radiation data (since 2006) midpt2 format hf102-02-rad-midpt2.csv 1704502 ca8406247ba4960647ce87e0604f3e06 1 \r\n column , https://harvardforest.fas.harvard.edu/data/p10/hf102/hf102-02-rad-midpt2.csv datetime date and time of data collection YYYY-MM-DDThh:mm year year of data collection YYYY dec.doy decimal date at the middle of the interval nominalDay 0.0001 real doy day of year nominalDay 1 whole hour hour nominalHour 0.1 real s.up reflected global solar radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.01 real NA missing value s.dn incoming global solar radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.01 real NA missing value l.up upwelling longwave radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.01 real NA missing value l.dn downwelling longwave radiation. Downward fluxes are negative, upward fluxes are positive. wattPerMeterSquared 0.01 real NA missing value soilheat soil heat flux at 7 cm, below OA wattPerMeterSquared 0.01 real NA missing value rn.sum sum of Sup,Sdn,Lup,Ldn with appropriate signs applied. Rnsum=(Sdn+Sup+Ldn+Lup) wattPerMeterSquared 0.01 real NA missing value par.up upward photosynthetically active radiation. Downward fluxes are negative, upward fluxes are positive. millimolePerMeterSquaredPerSecond 0.01 real NA missing value par.dn downward photosynthetically active radiation. Downward fluxes are negative, upward fluxes are positive. millimolePerMeterSquaredPerSecond 0.01 real NA missing value l.up.therm upwelling longwave radiation signal from the pyrgeometer thermopile wattPerMeterSquared 0.01 real NA missing value l.dn.therm downwelling longwave radiation signal from the pyrgeometer thermopile wattPerMeterSquared 0.01 real NA missing value 17520 atmosphere long-term measurement 1,2 https://atmos.seas.harvard.edu/ https://harvardforest.fas.harvard.edu/exist/apps/datasets/showData.html?id=hf004 millimolePerMeterSquaredPerSecond