...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Water Policy >Ecological water requirements of wetlands in the middle and lower reaches of the Naoli River
【24h】

Ecological water requirements of wetlands in the middle and lower reaches of the Naoli River

机译：瑙里河中下游湿地的生态需水量

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In the last few decades, the wetland area of the Sanjiang Plain in northeast China has shrunk severely. To provide a scientific basis for the protection and restoration of wetlands in the Sanjiang Plain, Landsat TM images of 13 typical years of four well-preserved and contiguous wetlands are interpreted by remote sensing technology in the Sanjiang Plain of the Naoli River Drainage Basin. According to the results of the interpretation, the calculation of the minimum and the optimal ecological water requirements of the four wetlands was carried out by combining ecology with remote sensing technology. At the same time, considering the rainfall and surface runoff at different guarantee rates, the artificial recharge of four wetlands was calculated according to the principle of water balance. The results indicate that the wetland area decreased significantly from 1984 to 2013, and natural inflow of water cannot meet the actual water requirements of wetlands. The calculated artificial recharge of the four reserves provides technical support for replenishment of wetlands in the Sanjiang Plain, and lays a good foundation for the restoration of wetland ecosystems in the Sanjiang Plain. At the same time, it also provides a good habitat for rare waterfowl.
机译：在过去的几十年中，中国东北三江平原的湿地面积急剧减少。为了给三江平原湿地的保护和恢复提供科学的依据，在遥感影像技术的作用下，对三里平原流域的四个典型保存完好的连续湿地的13个典型年份进行Landsat TM影像解析。根据解释结果，将生态学与遥感技术相结合，对四个湿地的最小和最优生态需水量进行了计算。同时，考虑了不同保证率下的降雨和地表径流，根据水量平衡原理对四个湿地进行了人工补给。结果表明，从1984年到2013年，湿地面积明显减少，自然水的流入量不能满足湿地的实际需水量。通过计算得出的这四个保护区的人工补给量，为三江平原湿地补给提供了技术支持，为恢复三江平原湿地生态系统奠定了良好的基础。同时，它也为稀有水禽提供了良好的栖息地。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号