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: 38 m
Time Zone: EST
Date: Year 2005, day 131 marks the start of the official data set.

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		precip 			mm
18		surface temperature	degrees C
19 		u_bar (sonic)		m/s
20		momentum flux (u'w') 	m2/s2
21		u'2			m2/s2
22		v'2			m2/s2
23		w'2			m2/s2
24		sensible heat flux 	W/m2
25		latent heat flux	W/m2
26		CO2 flux 		mg CO2/m2/s
27 		u_bar (forest floor)	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