Future variations in water flows into the Wanaque Water Supply Reservoir, New Jersey based on downscaled CMIP5 climate projections

Authors: Clement Alo*, Montclair State University, Felix M Oteng, Montclair State University
Topics: Water Resources and Hydrology, Global Change
Keywords: CMIP5, Hydrological model, streamflow
Session Type: Paper
Day: 4/10/2018
Start / End Time: 8:00 AM / 9:40 AM
Room: Jackson, Marriott, 5th Floor
Presentation File: No File Uploaded

A state-of-the-art hydrological model which integrates surface and subsurface flows is developed and calibrated/validated against observed historical discharge and groundwater heads over a sub-catchment contributing flow to the largest water supply reservoir (Wanaque) in the Passaic River Basin, New Jersey. The coupled surface water-groundwater model is then forced with new high resolution (4km) downscaled CMIP5 climate scenarios to simulate streamflow through the middle of the century. The envelope of future flows obtained from our simulations could serve as a backbone of decision support for projected water supply issues (e.g. more water conservation) in the basin.

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