A Model-Based Assessment of Potential Impacts of Man-Made Reservoirs on Precipitation

A Model-Based Assessment of Potential Impacts of Man-Made Reservoirs on Precipitation AbstractLand use land cover change (LULCC) plays an important role in weather and climate systems. Human modifications of land cover include building reservoirs and thus creating artificial lakes for multi-purpose use. In this research, we have completed a Weather Research and Forecasting (WRF) model assessment of impacts of two large parallel lakes on precipitation. This area is located in the western part of the states of Kentucky and Tennessee and known as the Land between the Lakes (LBL). To determine the impacts, we have replaced the lakes with grass, deciduous forests, and bare soil and conducted model simulations for three precipitation events of different magnitudes.The analysis suggests that precipitation increased in some cases and reduced in others. One of the key impacts of LULCC in the LBL area is the relocation of precipitation cells and also timing of precipitation. Local precipitation amounts increased or decreased with these relocations. In summary, establishment of lakes or replacement of lakes with alternate land cover may modify local precipitation in the LBL area. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Earth Interactions American Meteorological Society

A Model-Based Assessment of Potential Impacts of Man-Made Reservoirs on Precipitation

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1087-3562
D.O.I.
10.1175/EI-D-16-0016.1
Publisher site
See Article on Publisher Site

Abstract

AbstractLand use land cover change (LULCC) plays an important role in weather and climate systems. Human modifications of land cover include building reservoirs and thus creating artificial lakes for multi-purpose use. In this research, we have completed a Weather Research and Forecasting (WRF) model assessment of impacts of two large parallel lakes on precipitation. This area is located in the western part of the states of Kentucky and Tennessee and known as the Land between the Lakes (LBL). To determine the impacts, we have replaced the lakes with grass, deciduous forests, and bare soil and conducted model simulations for three precipitation events of different magnitudes.The analysis suggests that precipitation increased in some cases and reduced in others. One of the key impacts of LULCC in the LBL area is the relocation of precipitation cells and also timing of precipitation. Local precipitation amounts increased or decreased with these relocations. In summary, establishment of lakes or replacement of lakes with alternate land cover may modify local precipitation in the LBL area.

Journal

Earth InteractionsAmerican Meteorological Society

Published: Aug 11, 2017

References

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