6.
The snow melt/accumulation model is based on a modified
degree-day method and provides the equivalent amount of
melted/accumulated water for each gridcell of the
catchments considered. The method developed allows
modelling of the melt/accumulation processes directly
without requiring information about observed snow cover
distribution in the area. Measured daily precipitation
was converted to equivalent rainfall using minimum and
maximum daily temperature and modelled equivalent snow
depth (in mm of water), accumulated in each particular
gridcell for each day. River's runoff was modelled
using as an input the equivalent rainfall estimated by
the snow melt/accumulation module and the mean daily
temperature in each gridcell integrated over the whole
catchment. The modelled snow depth and duration of the
snow season were compared with point measurements of
snow depth at several stations. The modelled and
measured streamflow data were compared as well. These
charachteristics are used as a criterion of model quality.
50.
Schreider, S.Yu., Jakeman, A.J., Whetton, P.H., Pittock,
A.B. Estimation of Climate Impact on Water Availability and
Extreme Events for Snow-Free and Snow-Affected Catchments of
the Murray-Darling Basin, 1997, Australian Journal of Water
Resources (in press, first number of 1997).
Schreider, S.Yu., Whetton, P.H., Jakeman, A.J., Pittock,
A.B. and Li, J. Runoff Modelling for Snow-Affected Catchments
in the Australian Alpine Region, Eastern Victoria, 1997,
Journal of Hydrology (in press), also in CRES Working Paper,
ANU, Canberra, 1996/5, 26 pp.
Schreider, S.Yu., Jakeman, A.J, Whetton, P.H. and
Pittock, A.B. Comparative Analysis of Climate Impacts on
Streamflow for Snow-Free and Snow-Affected Catchments, in:
Climate Impacts Assessment Workshop Abstracts: Development and
Application of Climate Change Scenarios, Hennessy, K.J. and
Pittock, A.B. (eds.), 1996, CSIRO Division of Atmospheric
Research / Commonwealth Department of Environment, Sport and
Territories, Melbourne, pp. 84-88.
Schreider, S.Yu., Jakeman, A.J., Dyer, B.G. and Francis,
R.I. A Streamflow Forecasting Algorithm Combining of
Deterministic and Self-Adaptive Stochastic Approaches (the
Upper Murray Basin Case Study), 1997, EnviroSoft (in press).
Unfortunately at the moment only the CRES preprint contains the
model description, but JoH and AJWR papers are going to be published
very soon (I recently checked proofreads).
Thank you very much for the intersts to our work.
Sincerely yours,
Sergei Schreider.