site: Black Hills
vegetation: Ponderosa Pine
Latitude:44.15438
Longitude:103.6428
Leaf Area Index (aveage): 2.0
Average Canopy Height: 13 - 15 m
average DBH: 8 -10 inches
flux system height (24 m)
Data are "hour" ending and all data are Mountain Standard Time.
Following is a list and units of data contained in the BH01_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 			inches
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 (10 cm)   volumetric water content
36		soil moisture (10 cm)	volumetric water content
37		soil moisture (30 cm)   volumetric water content
38		soil moisture (30 cm)	volumetric water content
39              soil surface temp       degree C
40 		tree bole temperature	degree C
41 		tree bole temperature	degree C
42 		tree bole temperature	degree C
43 		tree bole temperature	degree C