• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Hydrology research >Initial evaluation of a simple coupled surface and ground water hydrological model to assess sustainable ground water abstractions at the regional scale
【24h】

Initial evaluation of a simple coupled surface and ground water hydrological model to assess sustainable ground water abstractions at the regional scale

机译：对地表水和地下水的简单耦合模型进行初步评估，以评估区域尺度上可持续的地下水抽取

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Additional surface-ground water interaction routines were recently added to the Pitman monthly rainfall-runoff model, widely used in South Africa for quantifying water resources in ungauged catchments. Some evaluations of the model have demonstrated that it can realistically simulate interactions between surface and ground water at catchment scales of approximately 100 to 5,000 km~2. The model allows ground water abstractions to be simulated, but no reported evaluations of this component are available. This study uses the model to estimate sustainable abstraction volumes in a semi-arid catchment and includes an assessment of model parameter uncertainties. In recognition of potential spatial scale issues related to the model structure an alternative model configuration, based on splitting the total catchment into recharge and abstraction sub-catchments, was also tested, while the results appear to be conceptually appropriate, there is insufficient available information to quantitatively confirm the model parameters and results. The same would apply regardless of the type of model being applied in such a data-deficient area. Additional geo-hydrological information is required to resolve the model uncertainties and improve the parameter estimation process. This pilot study has highlighted the type of information required, but further work is needed to identify how best to obtain that information.
机译：最近在Pitman月降雨径流模型中添加了附加的地表水相互作用例程，该例程在南非广泛用于量化未开垦集水区的水资源。该模型的一些评估表明，该模型可以逼真地模拟集水规模约100至5,000 km〜2的地表水与地下水之间的相互作用。该模型允许模拟地下水抽取，但是没有该组件的报告评估。这项研究使用该模型估算半干旱流域的可持续抽象量，并包括对模型参数不确定性的评估。为了认识到与模型结构有关的潜在空间尺度问题，还测试了基于将总集水区划分为补给和抽象子集水区的替代模型配置，尽管结果在概念上似乎是适当的，但尚无足够的可用信息定量确认模型参数和结果。无论在这种数据不足的区域中应用的模型类型如何，都适用相同的规则。需要附加的地球水文信息来解决模型的不确定性并改善参数估计过程。这项初步研究强调了所需的信息类型，但是还需要进一步的工作来确定如何最好地获得该信息。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号