Siltation in the downstream area is the key problem of construction of a barrage in tidal estuaries.

潮汐河口建闸的关键问题是闸下淤积。

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Water conservancy projects, especially some mega-project construction in schistosomiasis endemic areas usually give rise to changes of the ecological environment in the project and downstream area.

水利工程特别是血吸虫病疫区的大型水利工程建设，往往会改变工程区及其下游地区的生态环境。

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The studies show the groundwater level is rising quickly and may surpass the critical depth along downstream area with the extension of the irrigating field, which can bring on the soil salinization.

研究表明：该区随灌溉面积的扩大，地下水位上升迅速，灌区下游水位将超过临界埋深，从而引起土壤次生盐渍化。

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According to reports, approximately 60, 000 people live in the rural area downstream from the lake.

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The spokesman added that a "close eye" would be kept on the situation, especially in the area downstream of Oxford, where the flood risk would be the greatest if there is heavy and persistent rainfall.

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Berger said they record a memory being made, in an undamaged area of the brain, then use that data to predict what a damaged area "downstream" should be doing.

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