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Full-Text Articles in Physical Sciences and Mathematics
Determining Annual Cryosphere Storage Contributions To Stream Flow Using Historical Hydrometric Records, Janice Brahney, Brian Menounos, Xiaohua Wei, Paul Jefferson Curtis
Determining Annual Cryosphere Storage Contributions To Stream Flow Using Historical Hydrometric Records, Janice Brahney, Brian Menounos, Xiaohua Wei, Paul Jefferson Curtis
Watershed Sciences Faculty Publications
Alpine glaciers and perennial snow fields are important hydrologic elements in many mountain environments providing runoff during the late summer and during periods of drought. Because relatively long records of glacier mass–balance data are absent from many glacierized catchments, it remains unclear to what extent shrinking perennial snow and glaciers have affected runoff trends from these watersheds. Here, we employ a hydrograph separation technique that uses a double mass curve in an attempt to isolate changes in runoff due to glacier retreat and disappearance of perennial snow. The method is tested using hydrometric data from 20 glacierized and 16 nonglacierized …