Zhang_Mar06 - Development of a Simple Groundwater Model for...

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Development of a Simple Groundwater Model for Use in Climate Models and Evaluation with Gravity and Climate Experiment Data Guo-Yue Niu, Zong-Liang Yang, Robert E. Dickinson, Lindsey E. Gulden, and Hua Su, Journal of Geophysical Research , Vol. 112, D07103, doi:10.1029/2006JD007522, 2007
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Motivations Develop a simple groundwater model (SIMGM) to represent groundwater dynamics in GCMs Evaluate SIMGM against observations to see whether this model is realistic Compare the updated model to the previous model to investigate the impact of this modification on the simulation of soil moisture and evapotranspiration
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Background Recent study shows that surface runoff is an exponential function of water table depth. TOPMODEL-based runoff scheme formulates the base flow as an exponential function of water table depth. Deficiencies of current land surface models Several methods to improve the model
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Model Descriptions Add an unconfined aquifer to an LSM’s soil column Apply a simple TOPMODEL-based runoff scheme:
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This note was uploaded on 11/07/2011 for the course EAS 8803 taught by Professor Staff during the Spring '08 term at Georgia Tech.

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Zhang_Mar06 - Development of a Simple Groundwater Model for...

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