辽宁云水资源分布特征及开发潜力分析
Study on the Distribution Characteristics and Developing Potential of Cloud Water Resource in Liaoning Province
查看参考文献13篇
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文摘
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我国淡水资源短缺,人口增长、经济发展与水资源短缺的矛盾日益加剧,已严重影响着我国部分地区经济和社会持续健康发展.人工增雨、开发空中云水资源是缓解水资源短缺的一个重要途径.文章利用辽宁省气象台站网的常规探空、云和降水的观测资料,计算、分析了辽宁云水资源的分布状况及开发潜力,结果显示全省云水资源总量年均为4.83×1011m3,具有较多的作业机会和较大的人工增雨潜力,开发云水资源大有可为. |
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其他语种文摘
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There is a lack of fresh water in China and the contradictions between population growth and economic development with shortage of fresh water,become increasingly sharpened, hence affecting seriously the economy in some regions and social sustainable and healthy development in our country.Artificial precipitation-enhancement is an efficient approach to develop and make use of cloud water resource in the air and lighten water resource's shortage. Usual radiosonde data,cloud and surface precipitation data offered by the meteorological observation net. of Liaoning Province are used in this paper,and the distribution and developing potential of Liaoning cloud water resource is calculated and analyzed.The results indicated that: (1 )The total cloud water resource in Liaoning Province is about 483 billion m3, being basically at the average level of the whole country,and the it is about 285.7 billion m3 in summer,or more than 59% of the years total.(2)The unit area available cloud water resource is the highest in the southeastern mountain regions of Liaoning,being about 500xl04nrVkm2;and central plain and inland coastal zone come the second,being about 350 xl04m3/km2;and the least is in the northwestern part,being only about 260xl04mV km2. (3)From May to October,the amount of cloud water resource in the precipitation processes persisting of over 2h accounts for 89% and we can modify these processes by rocket.The amount of cloud water resource in the processes persisting of over 5h makes up 48% and there are quite a great deal of seeding operation opportunities by aircraft. (4)Generally,the ratio of the occurrence frequency of the precipitation processes unsuitable for operating because of their short-time persistence or heavy rainfall intensity is about 31%,and the amount of cloud water resource of these processes is about 20% of the total. (5)The precipitation processes causing about 80% of the amount of cloud water resource is adequate for artificial operating.If the efficiency of artificial precipitation is 10%,then about 8.0 billion m3 of cloud water can be developed in Liaoning every year.If the efficiency of artificial precipitation is increased by 25% ,then about 9.0 billion m3 of cloud water can be developed each year.Thus.it is possible to exploit Liaoning's cloud water resource to lighten water resource's shortage. |
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来源
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自然资源学报
,2005,20(5):644-650 【核心库】
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关键词
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人工增雨
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云水资源
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降水效率
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开发潜力
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地址
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1.
中国气象局,沈阳大气环境研究所, 辽宁, 沈阳, 110016
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辽宁省人工影响天气办公室, 辽宁, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3037 |
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学科
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大气科学(气象学) |
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基金
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国家科技部科研院所社会公益研究专项
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文献收藏号
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CSCD:2084883
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