| A subsurface runoff parameterization with water storage and recharge based on the Boussinesq-Storage Equation for a Land Surface Model |
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| 基金项目： | 国家高技术研究发展计划(863计划);中国科学院基金 |
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| 摘 要： |
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| 收稿时间： | 3 June 2005 |
| 修稿时间： | 26 July 2005 |
A subsurface runoff parameterization with water storage and recharge based on the Boussinesq-storage equation for a land surface model |
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| Authors: | TIAN Xiangjun XIE Zhenghui ZHANG Shenglei LIANG Miaoling |
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| Institution: | 1. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
2. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | Subsurface runoff in a land surface model is usually parameterized as a single-valued function of total storage in a basin
aquifer reservoir. This kind of parameterization is often single-valued function of storage-discharge under a steady or “quasi-steady”
state, which cannot represent the influence of aquifer recharge on subsurface runoff generation. In this paper, a new subsurface
runoff parameterization with water storage and recharge based on the Boussinesq-storage equation is developed. This model
is validated by a subsurface flow separation algorithm for an example river basin, which shows that the new model can simulate
the subsurface flow reasonably. |
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| Keywords: | subsurface runoff parameterization Boussinesq-storage equation water storage and re-charge |
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