厄尔尼诺现象对旱灾不断的澳大利亚东南部的农民来说是灾难性的。 那一地区的降雨量近年来已经低于平均水平。
Such conditions could be disastrous for farmers in Australia's drought-prone southeast who can expect little relief from years of below average rainfall.
利用231个气象站多年平均年雨量资料估算了黄土高原地区多年平均降雨侵蚀力，并绘制了等值线图。
Average annual rainfall data from 231 weather stations were used to determine the spatial distribution of erosive rainfall.
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