我国水资源的时空分布有什么影响

2025-03-17 05:06:03
推荐回答(1个)
回答1:

中国水资源特点:(1) 总量大,而人均水资源占有量少.(2)时空分布不均.(3)水资源与人口、耕地分布不匹配.(4)水环境形势严峻,地下水严重超采.影响:(1) 资源型缺水问题突出,缺水程度加剧.(2) 水污染加重,水质型缺水范围扩大.(3) 水资源过度开发,导致生态环境恶化.(4) 水资源开发利用难度加大,水资源供需矛盾更加突出.
利用方式发电,灌溉,养殖,日常饮用水,资源开发利用的内容很广,诸如农业灌溉、工业用水、生活用水、水能、航运、港口运输、淡水养殖、城市建设、旅游等.
我国降水的地区差异主要表现南多北少南多北少,夏季降水多,冬季降水少;由于我国东部和南部受季风影响大,临海,受海洋暖湿气流影响,降水集中,多暴雨;我国西部处于内陆地区,受季风影响弱,远离海洋,气候干旱,降水稀少`` 由东南沿海向西北内陆递减.我国属于大陆性季风气候收海洋影响大 我国地势自西向东逐渐降低 又由于国体面积大 ,西北高山多,蒸发比较快.

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