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When does waterlogging arise in the hydrological cycle?

Answer and explanation

Correct answer: When soil infiltration capacity is exhausted and water accumulates on the surface

Correct answer: B. Waterlogging occurs when water is supplied to the ground faster than it can infiltrate, drain away, or evaporate. Heavy rainfall, flooding, a high water table, compact soil, or poor drainage may therefore leave the soil filled with water. The air spaces between soil particles become occupied by water, reducing the oxygen available to roots and soil organisms. A is opposite to the usual condition because rapid evaporation removes water. C describes drought, in which available water is insufficient. D may result from water shortage, disease, or other stress and does not define waterlogging. A useful warning is that waterlogging is not simply any wet surface after a shower; it is persistent or excessive saturation that interferes with normal soil aeration and drainage.

Related tags

WaterloggingSoil DrainageInfiltrationHydrological CycleThe Living WorldBiologyClass 11 Mcq

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