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用水泥产量估算黄河上中游河道采砂量

wf(2016)

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Abstract
假定各省水泥不跨省外运,并且各年生产的水泥基本消耗完,借用各省在黄河流域的GDP比重,估算黄河上中游6个省(区)的水泥消耗量,若水泥?大砂按1?1.19~1?1.82估算,则黄河上中游潼关以上2000—2012年平均每年需在河道采砂1.13亿~1.73亿t,占黄河多年平均年输沙量16亿t的7.1%~10.8%,其中2012年采砂量为1.93亿~2.95亿t。
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Key words
cement production,scale between cement and sand,river sand dredging,Tongguan Station,Upper and Middle Yellow River
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