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首页> 外文会议>Flood Forecasting and Water Resources Assessment for IAHS(International Association of Hydrological Sciences)-PUB >The Determination of Natural Desert Plant Root-zone Soil Water Storage by Surface Soil Moisture Content
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The Determination of Natural Desert Plant Root-zone Soil Water Storage by Surface Soil Moisture Content

机译：用表层土壤含水量测定天然荒漠植物根区土壤贮水量

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摘要

The study on plant root-zone water storage (RWS) is an important part in the study on the soil-plant-atmosphere continuum. The accurate estimation of the plant RWS will provide scientific basis for estimating irrigated water, ecological water requisite and for the sustainable development in arid inland river basins in China. In the lower reaches of China arid inland river basins, because of water recharge reducing, the plant RWS reduces and plant withers, then a series of ecological and environmental problems come out. So, it is imperative to study how to estimate plant RWS. Based on two-layers soil moisture balance model, RWS of a familiar natural under-shrub Sophora alopecuroides (S. alopecurorides) in Ejina basin, is determined using soil moisture content of the surface layers 0 - 10 cm obtained by remote-sensing method, therefore, the feasibility study on determining the temporal change of natural pant RWS by using remote-sensing data in western China is taken.
机译：植物根区储水研究是土壤－植物－大气连续体研究的重要组成部分。植物RWS的准确估算将为估算灌溉水，生态需水量以及中国干旱内陆河流域的可持续发展提供科学依据。在中国干旱内陆河流域的下游，由于补给水量减少，植物RWS减少，植物枯萎，随之而来的是一系列的生态和环境问题。因此，必须研究如何估算工厂的RWS。基于两层土壤水分平衡模型，使用遥感方法获得的表层土壤水分含量（0-10 cm），确定了额济纳盆地天然的天然灌木灌木槐豆（S. alopecurorides）的RWS，因此，本文进行了利用遥感数据确定自然气态RWS随时间变化的可行性研究。

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