The water table is the underground boundary below which all the cracks and pores are filled with water.

地下水位是地层岩石裂缝和孔隙充满水的边界。

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Above the water table is the vadose zone, through which rainwater percolates.

地下水位的上方是包气带，雨水从中渗透。

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Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.

包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。

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This huge cultural heritage site, became increasingly threatened with decay by exposure to harsh climatic conditions, floods from the Indus River, deterioration due to salts rising from the high water-table, and water-logging.

UNESCO: Safeguarding Moenjodaro

Intensive irrigation especially from tube-wells, of which there are over a million in Punjab has depleted the water-table.

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Uranium is so close to the water table such that by-products like radium and radon are already in the water.

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