辽宁盘锦双台子河口湿地生态环境需水量研究

Eco-environmental water requirement of Shuangtaizi estuarine wetland in Panjin,Liaoning Province

辽宁盘锦双台子河口湿地生态环境需水量主要由生态需水量和环境需水量组成。根据双台子河口湿地生态环境需水量的特点,选取适宜的生态环境需水量计算方法,利用3S技术对湿地地表信息进行提取,计算该湿地2000年和2005年各类生态环境需水量的最小、最适合和最大值。计算结果表明:2005年湿地生态环境需水量较2000年有所减少。对生态环境需水量的变化进行了对比分析,阐述了双台子河口湿地生态环境需水量变化的原因,为双台子河口湿地保护和水资源合理利用提供有利依据。

The eco-environmental water requirement of the Shuangtaizi estuarine wetland in Panjin,in Liaoning Province of China consists of ecological water requirements and environmental water requirements.Based on selection of the appropriate calculation method for computing the eco-environmental water requirement, and collection of information on the wetland surface with the 3S technique,the minimum,maximum and optimum eco-environmental water requirements of the Shuangtaizi estuarine wetland in 2000 and 2005 were calculated.The eco-environmental water requirement in 2005 was less than that in 2000.That change was explained by comparison and analysis of the data,which could provide a useful basis for conservation and reasonable water resources exploitation of the Shuangtaizi estuarine wetland.