简答题:阅读下面图文资料,回答问题。 材料一:我国黄河流域示意图 材料二:黄河以泥沙多而闻名。古籍常以“河水一石,其泥六斗”及“

题目内容:
阅读下面图文资料,回答问题。
材料一:我国黄河流域示意图

材料二:黄河以泥沙多而闻名。古籍常以“河水一石,其泥六斗”及“黄河斗水,泥居其七”等来描述黄河的多沙状况。“跳进黄河洗不清”的说法也是形容黄河水流缓和,合沙量之高。黄河含沙量之高,在世界河流中绝无仅有。
材料三:有关资料显示, 20世纪70年代以来,黄河入海年径流量逐渐变小,与此同时黄河下游多次断流。1997年黄河创造了前所未有的纪录.断流多达12次,合计226天,断流里程长达622千米。大河断流,世界军见。
(1)描述图中能源资源的分布规律。(10分)
(2)分析该地区面临的主要问题并提出解决途径。(10分)
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