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The impact of geological control on flow accretion in lowland permeable catchments

机译：地质控制对低地渗透性流域增流量的影响

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摘要

The results of two comprehensive catchment-scale flow accretion surveys that were conducted in the lowland permeable catchments of the Rivers Frome and Piddle in Dorset, UK are presented. The surveys, undertaken as part of the NERC lowland catchment and research (LOCAR) program, were conducted under baseflow conditions during the summer of 2005. Results were adjusted for seasonal variation, the occurrence of intense precipitation events and anthropogenic inputs. A number of significant groundwater-surface water interactions related to various geological formations and boundaries were identified in this study. These included inputs of groundwater associated with the Greensand/Chalk (18-51 Ls~(-1)km~(-1) and Chalk/Palaeogene (68-152 Ls~(-1) km~(-1)) boundaries and the Oakdale Clay Member (52-79 Ls~(-1) km~(-1)), as well as substantial surface water losses associated with the Broadstone Sand Formation (158-171 Ls~(-1) km~(-1)). The study suggests that it may be possible to predict groundwater-surface water interactions from basic information on solid geology, which would be of considerable benefit to the implementation of the Water Framework Directive in England and Wales.
机译：介绍了在英国多塞特郡的弗罗姆河和皮德尔河的低地可渗透集水区进行的两次综合集水规模流量增加调查的结果。作为NERC低地集水与研究（LOCAR）计划的一部分进行的调查于2005年夏季在底流条件下进行。针对季节性变化，强烈降水事件的发生和人为输入进行了调整。在这项研究中，发现了许多与各种地质构造和边界有关的重要的地下水-地表水相互作用。其中包括与Greensand / Chalk（18-51 Ls〜（-1）km〜（-1）和Chalk / Paleeogene（68-152 Ls〜（-1）km〜（-1））边界相关的地下水输入和Oakdale黏土层（52-79 Ls〜（-1）km〜（-1）），以及与Broadstone砂层相关的大量地表水损失（158-171 Ls〜（-1）km〜（-1） ）。研究表明，有可能从有关固体地质的基本信息中预测地下水与地表水的相互作用，这将对在英格兰和威尔士实施《水框架指令》有很大帮助。

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  • 来源
    《Hydrology research》 |2009年第6期|533-543|共11页
  • 作者

    S. Arnott; J. Hilton; B. W. Webb;

  • 作者单位

    Centre for Ecology and Hydrology (CEH),Maclean Building, Benson Lane,Crowmarsh Gifford,Wallingford, Oxfordshire OX10 8BB,UK;

    Bournemouth University, Centre for Conservation,Ecology & Environmental Change,Christchurch House, Talbot Campus,Poole, Dorset BH12 5BB,UK;

    Department of Geography,School of Geography,Archaeology and Earth Resources,University of Exeter,Amory Building, Rennes Drive,Exeter EX4 4RJ,UK;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    catchment-scale; flow accretion; frome; groundwater-surface water interactions; lowland permeable catchments; piddle;

    机译：集水规模流量增加从地下水与地表水的相互作用;低地可渗透流域;iddle;

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