Heterogeneous water table response to climate revealed by 60 years of ground water data

Details Heterogeneous water table response to climate revealed by 60 years of ground water data Heterogeneous water table response to climate revealed by 60 years of ground water data

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3724405w&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 24, CiteID L24405

Mathematics

Logic

1

Hydrology: Groundwater Quality, Hydrology: Hydrological Cycles And Budgets (1218, 1655), Hydrology: Hydroclimatology, Hydrology: Time Series Analysis (1988, 3270, 4277, 4475), Hydrology: Climate Impacts

Scientific paper

Recent findings suggest that climate change will lead to modifications in the timing and nature of precipitation, giving rise to an altered hydrologic cycle. The response of subsurface hydrology to decadal climate and longer-term climate change to date has been investigated via site specific analyses, modeling studies, and proxy analysis. Here we present the first instrumental long-term regional compilation and analysis of the water table response to the last 60 years of climate in New England. Ground water trends are calculated as normalized anomalies and analyzed with respect to regional compiled precipitation, temperature, and streamflow. The time-series display decadal patterns with ground water levels being more variable and lagging that of precipitation and streamflow pointing to site specific and non-linear response to changes in climate. Recent trends (i.e., last 10 years) suggest statistically significant increasing water tables, which could lead to a higher risk for flooding in New England.

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