Arctic Tundra Flux Study in the Kuparuk River Basin (Alaska), 1994-1996

Chapin et al. 1994-1996 site characteristics data

Contact: Joe McFadden, email: mcfadden@umn.edu

Tab-delimited ASCII text file comprising 17 columns,
described below from left to right.
File has a single header line with the field names.

Missing data are indicated by the string -999

site_id		yyyyss (year followed by 2-digit site number)
veg_type	text field identifying broad vegetation class
lat		latitude (deg N positive), decimal degrees
lon		longitude (deg E positive), decimal degrees 
elev		elevation above mean sea level, meters
soil_Db		soil bulk density, g cm-3
soilmoist	soil volumetric water content, %
thaw_mean	depth of thaw (from surface to permafrost table
		at time of flux measurements), meters
lai_mean	leaf area index, m2 m-2 [LiCor LAI-2000]
canht_mean	canopy height (mean), meters
z0_median	aerodynamic roughness length (median for site), meters
Gs_mean		surface conductance to water vapor tranfer (mean), mm s-1
Gs_max		surface conductance to water vapor tranfer (maximum daily), mm s-1
Ga_mean		surface aerodynamic conductance, mm s-1
alpha_PT	Priestley and Taylor alpha
dist_to_coast	distance from site to Arctic coast along a due north line, km
z_minus_d	instrument height minus displacement height, meters