In more exact work a sliding scale of coefficients is used, the values depending on the amount of precipitation and the month or season. For precipitous and impervious basins the run-off will be nearly coincident with the precipitation. Jf, however, there... Congressional Serial Set - Seite 241907Vollansicht - Über dieses Buch
| Geological Survey (U.S.) - 1906 - 1066 Seiten
...precipitous and impervious basins the run-off will be nearly coincident with the precipitation. Jf, however, there are lakes, forests, extensive ground-water...without any appreciable effect on the stream flow. On the other hand, whenever the temperature rises above 32° F., run-off from melting snow occurs,... | |
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