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吉林西部植被生态环境需水量供需平衡研究

汤 洁 麻素挺 林年丰 孙永堂

汤 洁, 麻素挺, 林年丰, 孙永堂. 吉林西部植被生态环境需水量供需平衡研究[J]. 环境科学研究, 2005, 18(1): 5-8.
引用本文: 汤 洁, 麻素挺, 林年丰, 孙永堂. 吉林西部植被生态环境需水量供需平衡研究[J]. 环境科学研究, 2005, 18(1): 5-8.
TANG Jie, MA Su-ting, LIN Nian-feng, SUN Yong-tang. A Study on Ecological Environment Water Requirement of Vegetations and Water Balance in the West of Jilin Province[J]. Research of Environmental Sciences, 2005, 18(1): 5-8.
Citation: TANG Jie, MA Su-ting, LIN Nian-feng, SUN Yong-tang. A Study on Ecological Environment Water Requirement of Vegetations and Water Balance in the West of Jilin Province[J]. Research of Environmental Sciences, 2005, 18(1): 5-8.

吉林西部植被生态环境需水量供需平衡研究

基金项目: 国家自然科学基金资助项目(4073047);水利部科技创新项目(scx2000-50)

A Study on Ecological Environment Water Requirement of Vegetations and Water Balance in the West of Jilin Province

  • 摘要: 吉林西部地处半湿润、半干旱气候区,水资源的紧缺已成为制约生态环境修复和地区经济发展的重要因素.在对已往生态环境需水量研究成果进行总结,分析该区自然环境的基础上,提出了植被生态环境需水量的概念,即保证植物正常、健康生长,同时能够抑制土地沙化、碱化,乃至荒漠化发展所需的最小水资源量.采用统计年鉴资料,并利用TM卫星影像解译数据进行修正,计算出了农田、草地和林地面积.分别采用面积定额法、水量平衡法、潜在蒸散量法求得农田、草地和林地的生态环境需水量,分别为60.698亿,42.942亿和32.852亿m3.通过供需水平衡分析,得出该区植被生态环境需水量为136.492亿m3,尚缺水19.25亿m3.

     

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出版历程
  • 收稿日期:  2004-02-26
  • 刊出日期:  2005-02-25

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