1. Most of these references were carried over from Reinking et al. (1995).
2. However many figures provided in the previous edition have only been
3. referenced by a general reference to that edition and only the process
4. within some figures has been described in this edition.
5. Anderson E. (1973). "National weather service river forecast system snow accumulation and ablation model." U.S. Dept. of Commerce Silver Spring MD.