Loch Vale watershed strata delineations:
red=rock; green=alpine tundra; blue=forest
LVWS 1990 annual ET (mm*100)
LVWS 1990 annual (gross PSN - maint. resp.) in gC/m2*100
Estimates of Loch Vale productivities and
evapotranspiration from references
||Englemann Spruce/Subalpine fir forest
||Tundra (many est. from Niwot Ridge, CO)
|ET (not incl. sublimation)
||Baron and Denning, 1991
|above-ground net PSN
||a) Arthur, 1991.
b) Bowman and Fisk, 2001.
|below-ground net PSN
RHESSys simulated ET is too large for
both forest and tundra (~2-3x too large).
RHESSys simulated PSN is about right for
forest, too high for tundra (~4x too high)
LAI should be a maximum of 7 in the forest and 2 for alpine tundra.
LAI looks good for the forest, and is 50-100 times too large for