Soil residual water corresponds to the model variable "total
streamflow." In the model MC1, this is calculated (in cm of water)
as the water flowing through the soil profile below the last soil layer
(streamflow), water leached into the subsoil (baseflow) and also
includes runoff. The output is presented here as a monthly average. Soil
residual water is part of the model output from Brendan Rogers' MS
thesis work. Brendan used the vegetation model MC1 to simulate
vegetation dynamics, associated carbon and nitrogen cycle, water budget
and wild fire impacts across the western 2/3 of the states of Oregon and
Washington using climate input data from the PRISM group (Chris Daly,
OSU) at a 30arc second (800m) spatial grain. The model was run from 1895
to 2100 assuming that nitrogen demand from the plants was always met so
that the nitrogen concentrations in various plant parts never dropped
below their minimum reported values. A CO2 enhancement effect increased
productivity and water use efficiency as the atmospheric CO2
concentration increased. Future climate change scenarios were generated
through statistical downscaling from general circulation model output
using anomalies and a climatology from the PRISM group at 30arc second
spatial grain. Data came from three General Circulation Models (CSIRO
Mk3, MIROC 3.2 medres, and Hadley CM 3), each run through three CO2
emission scenarios (SRES mild B1, moderate A1B, and warm and dry A2).