大黑河
大黑河-
评价结果显示，呼和浩特平原地下水可持续性程度空间分布差异很大，城区、西部经济开发区是可持续水平最差的地区：而山前补给区、大黑河流中上游地区，地下水的可持续性水平最好。
Assessment results showed that , there was a big difference on spatial distribution of groundwater sustainability . In urban area and western economic development zone , the level was the worst , and the contrary in the Piedmont recharge area , Big Black River upstream region .
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额济纳绿洲位于我国第二大内陆河黑河的下游，为典型的内陆河尾闾绿洲，该区地处北温带干旱荒漠区，其气候属于极端干旱的大陆性气候。
Ejina Oasis , a typical tail oasis continental river , locates in downstream of Heihe River which is the second largest inland river in China . This region is in the desert area , with its climate belonging to extremely arid continental climate .