"Location: Barrow, Alaska (AK,USA)" "Latitude: 71¡ 19' 21. 09"" N" "Longitude: 156¡ 37' 33.17"" W" Climate: Tundra UTC Offset: -9 File Format: Comma Separated Value (CSV) Missing Value: -99.99 Principal Investigator: Walter Oechel San Diego State University Biology Department 5500 Campanile Drive "San Diego , CA USA 92182-4614" Phone Number: 619-594-6613 Email: oechel@sunstroke.sdsu.edu Data Contact: Joe Verfaillie San Diego State University Biology Department 5500 Campanile Drive "San Diego , CA USA 92182-4614" Phone Number: 619-594-6613 Email: josephv@sunstroke.sdsu.edu Symbol Description Instrument Unit YY Year JD Julian Day TM Time PAR_1 Photosynthetically Active Radiation Incoming LI-190SB (LI-COR) uE m-2 s-1 PAR_2 Photosynthetically Active Radiation Reflected LI-190SB (LI-COR) uE m-2 s-1 Rn Net Radiation Q-7 (REBS) W m-2 Soil T1_0 Soil temperature at 0 cm Type-T Thermocouple oC Soil T1_5 Soil temperature at Đ5 cm Type-T Thermocouple oC SoilT1_10 Soil temperature at Đ10cm Type-T Thermocouple oC Soil T2_0 Soil temperature at 0 cm Type-T Thermocouple oC Soil T2_5 Soil temperature at Đ5 cm Type-T Thermocouple oC SoilT2_10 Soil temperature at Đ10cm Type-T Thermocouple oC Air T Air Temperature at HMP 35C (Vaisala) oC RH Relative Humidity HMP 35C (Vaisala) % G_1 Soil Heat Flux HFT-3 (REBS) W m-2 G_2 Soil Heat Flux HFT-3 (REBS) W m-2 Rain Precipitation TE525 (Texas Electronics) mm WS Wind Speed Sonic Anemometer R3 (Gill Inc.) m s-1 WD Wind Direction Sonic Anemometer R3 (Gill Inc.) Degree Wdstdev Standard Deviation of Wind Direction Sonic Anemometer R3 (Gill Inc.) Degree H Sensible Heat Flux Sonic Anemometer R3 (Gill Inc.) W m-2 LE Latent Heat Flux LI-7500 W m-2 F CO2 Flux LI-7500 gC m-2 hr-1 E H2O Flux LI-7500 mg m-2 s-1 u* Friction Velocity Sonic Anemometer R3 (Gill Inc.) m s-1