Site: Chestnut Ridge Vegetation: Deciduous forest, eastern hardwood Latitude: 35.9311N Longitude: 84.3323W Elevation: 371 m Leaf Area Index: Varies seasonally with a max of 4 - 5. canopy height:24 - 26 m Flux measurement height: 43 m Time Zone: EST Following is a list and units of data contained in the CH06_XXX.DAT files where XXX is the calender day of year. Column variable units 1 decimal day - 2 calender day - 3 hour - 4 wind speed m/s 5 wind direction degrees 6 air temperature degrees C 7 relative humidity % 8 pressure mb 9 incoming PAR uE/m2/s 10 outgoing PAR uE/m2/s 11 incoming global W/m2 12 outgoing global W/m2 13 incoming longwave W/m2 14 outgoing longwave W/m2 15 net radiation W/m2 16 ground heat flux W/m2 17 wetness - 18 precip mm 19 surface temperature degrees C 20 soil temp (2 cm) degrees C 21 soil temp (4 cm) degrees C 22 soil temp (8 cm) degrees C 23 soil temp (16 cm) degrees C 24 soil temp (32 cm) degrees C 25 soil temp (64 cm) degrees C 26 soil temp (128 cm) degrees C 27 u_bar (sonic) m/s 28 momentum flux (u'w') m2/s2 29 u'2 m2/s2 30 v'2 m2/s2 31 w'2 m2/s2 32 sensible heat flux W/m2 33 latent heat flux W/m2 34 CO2 flux mg CO2/m2/s 35 soil moisture (5 cm) volumetric water content 36 soil moisture (10 cm) volumetric water content 37 soil moisture (20 cm) volumetric water content 38 soil moisture (50 cm) volumetric water content 39 soil moisture (1 m) volumetric water content