| 湖泊集水域地表-地下径流联合模拟 |
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| 引用本文： | 张奇.湖泊集水域地表-地下径流联合模拟[J].地理科学进展,2007,26(5):1-10. |
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| 作者姓名： | 张奇 |
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| 作者单位： | 中国科学院南京地理与湖泊研究所,南京,210008 |
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| 基金项目： | 国家自然科学基金,中国科学院"百人计划",南京地理与湖泊研究所所长专项基金,教育部留学回国人员科研启动基金,南京留学人员科技活动基金共同资助 |
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| 摘 要： | 研制了流域尺度的地表- 地下径流联合模拟的分布式水文模型。模型考虑了地表径流、土 壤水、地下水之间的相互作用和水量交换, 更真实地模拟径流系统。特别是, 考虑了湖泊- 流域系 统的特点, 例如, 多条入湖河流、直接入湖的坡面水流和地下入湖径流等, 使模型比现有水文模型 更适合于湖泊集水域径流系统的模拟。模型在云南抚仙湖集水域作了初步应用研究, 模拟结果与 河道径流、土壤含水量和地下水位等观测数据的比较显示, 模型模拟效果理想。此外, 模拟结果与 SCS 模型结果的对比分析, 进一步验证了模型的有效性。该模型可用于研究湖泊与流域的相互作 用、模拟流域水文过程对自然条件改变或人类活动的响应、探究地表径流- 地下水- 湖泊之间的相 互作用。模型也可用作湖泊- 流域系统水量平衡分析和水资源管理的有效计算工具。
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| 关 键 词： | 地表- 地下径流相互作用 分布式水文模型 湖泊—流域系统 抚仙湖 |
| 收稿时间： | 8/1/2007 12:00:00 AM |
| 修稿时间： | 2007-082007-09 |
Coupled Simulation of Sur face and Subsur face Runoffs for Lake Catchments |
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| ZHANG Qi.Coupled Simulation of Sur face and Subsur face Runoffs for Lake Catchments[J].Progress in Geography,2007,26(5):1-10. |
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| Authors: | ZHANG Qi |
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| Institution: | Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | A catchment-scale distributed hydrological model is developed for coupled simulation of surface and subsurface runoffs.Interactions between surface runoff,soil water and groundwater are realistically simulated.In particular,characteristics of the lake-catchment system are considered in the model so that the model is more flexible to be applicable to lake catchments than other existing models.The model can simulate multiple river sub-catchments within a lake catchment,as well as direct overland flow and subsurface flow into the lake.Preliminary model application was undertaken in Fuxianhu Lake catchment,Yunnan Province,China.Comparison of predicted results with the observed ones in terms of stream flow,soil water content and groundwater level demonstrates a satisfactory agreement.The modelled results are also compared with those from the SCS model to further validate the model.The model can be used to investigate various hydrological processes of the lake-catchment system,to simulate the response of catchment hydrological processes to the change of natural conditions or human activities,and to explore the interactions between surface runoff,groundwater and lake.The model would also be a useful tool for water balance analysis of the lake-catchment system to facilitate water resources management. |
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| Keywords: | interaction between surface and subsurface runoffs distributed hydrological model lake-catchment system Fuxianhu Lake |
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