| 31. | Water erosion has left the calcareous plateaus strewn with dolines and poljes ( sinkholes and flat-floored depressions ).
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| 32. | Water erosion is a moderate threat.
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| 33. | The increased surface roughness of crusted areas compared to bare soil further improves resistance to wind and water erosion.
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| 34. | The sediment originates primarily from water erosion ( gully erosion ) in the Loess Plateau region of northwest China.
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| 35. | The channels or " ovens " in the cliffs of varying depths are therefore a result of water erosion.
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| 36. | If they were formed by water erosion alone, they would form sinuous, forking patterns of erosion at random spacings.
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| 37. | The foundation of the building was safeguarded with stone ballast poured down on bush mats against rinsing and water erosion.
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| 38. | The USLE or one of its derivatives are main models used by United States government agencies to measure water erosion.
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| 39. | -- Backed a continued Conservation Reserve Program of 36.4 million acres to protect fragile cropland from wind and water erosion.
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| 40. | Vegetation can also be used to control water erosion by limiting surface processes such as sheet wash and overland flow.
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