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Title: Analysis of winter low-flow rates in New Hampshire streams
Authors: Melloh, Rae A.
Keywords: Climate
New Hampshire
Low flows
Surface water
Drainage areas
Drainage basins
White Mountains, New Hampshire
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 90-26.
Description: Special Report
Abstract: The timing and magnitude of winter low flows vary regionally in response to basin climate and geology. This report investigates the regionalization of low flows in the While Mountain and Upland physiographic sections of New Hampshire to establish a data set that will be used in improved analytical methods for estimating winter flows. For the summer and winter low flow periods, 3-, 7-, 14- and 30-day duration low flow events are estimated for various sizes of drainage areas (50 to 230 mi^2). The likelihood of a low-flow event increases as winter proceeds in the White Mountains, but is more evenly distributed throughout the winter in the Upland. White Mountain streams have higher runoff volumes through all seasons, except winter. The average magnitudes of winter low-flow events in both physiographic sections are highly correlated with drainage area size. Mean basin elevation was of little additional help in explaining winter low-flow events within either physiographic section, though it was important in explaining summer low-flow variation in the White Mountains.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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