Soil priming in relation to snow surveys and flood regulation (Abstract only) See TAGU, 1952, 34:240-248
Title | Soil priming in relation to snow surveys and flood regulation (Abstract only) See TAGU, 1952, 34:240-248 |
Publication Type | Conference Proceedings |
Year of Conference | 1952 |
Authors | Nelson, M. W., Wilm H. G., and Work R. A. |
Conference Name | 20th Annual Western Snow Conference |
Series Title | Proceedings of the 20th Annual Western Snow Conference |
Date Published | April 1952 |
Publisher | Western Snow Conference |
Conference Location | Sacramento, California |
Keywords | Soil priming fall precipitation, Water supply forecasting |
Abstract | Earlier analyses of techniques for water forecasting in the Columbia River Basin found both water yields and food discharges to be highly correlated with the water content of snow as determined by snow surveys, and with spring precipitation. The present study demonstrates that the addition of preceding fall precipitation expresses the degree of soil priming and the extent to which autumn affect in soil moisture are replenished by precipitation before the snowpack accumulates each winter. The inclusion of the soil-priming variable, as compared to previous analyses, made a 40% improvement in the standard error of the forecast made on April 1 of each year. Similar improvements in precision were observed for later forecasts made on May 1 and May 15. |