"Location: Atqasuk, Alaska (AK,USA)" "Latitude: 70o 28' 10.6"" N" "Longitude: 157o 24' 32.2"" W" Climate: Tundra UTC Offset: -9 File Format: Comma Separated Values (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 (YYYY) JD Julian Day (1-366) TM Time AST (UTC-9) (0-2359) PAR_01 Photosynthetically Active Radiation LI-190SB (LI-COR) (uE/sec/m2) Rsolar Pyranometer (LI_COR) (W/m2) Rn Net Radiation Q-7 (REBS) (W/m2) Soil T1_0 Soil temperature at 0 cm Type-T Thermocouple (Deg C) Soil T1_5 Soil temperature at Ð5 cm Type-T Thermocouple (Deg C) Soil T2_0 Soil temperature at 0 cm Type-T Thermocouple (Deg C) Soil T2_5 Soil temperature at Ð5 cm Type-T Thermocouple (Deg C) AirT Air Temperature at HMP 35C (Vaisala) (Deg C) RH Relative Humidity HMP 35C (Vaisala) (%) G_1 Soil Heat Flux HFT-3 (REBS) (W/m2) G_2 Soil Heat Flux HFT-3 (REBS) (W/m2) G_3 Soil Heat Flux HFT-3 (REBS) (W/m2) Rain Precipitation TE525 (Texas Electronics) (mm) WS Wind Speed Wind Sentry (RM Young) (m/s) WD Wind Direction Wind Sentry (RM Young) (deg) Wdstdev Stadard Deviation of Wind Direction Wind Sentry (RM Young) (deg) PA Air Pressure LI-7500 (LI_COR) (kPa) PAR_02 Reflected Photosynthetically Active Radiation LI-190SB (LI-COR) (uE/m2/s) LE Latent Heat Flux LI-7500 (LI_COR) (W/m2) H Sensible Heat Flux R3 Sonic Anemometer (Gill Inc.) (W/m2) F CO2 Flux LI-7500 (LI_COR) (gC/m2/s) E H2O Flux LI-7500 (LI_COR) (mg/m2/s) u* Friction Velocity R3 Sonic Anemometer (Gill Inc.) (m/s)