摘要
随着社会经济的快速发展,城市加速扩张,人类活动加剧,致使城市河流水生态系统受损和水资源紧缺的问题愈加突出,因此对城市河流的生态需水进行研究具有重要意义。城市河流的生态需水不同于自然河流,在梳理已有生态需水量计算方法的基础上,考虑人类活动和城市化进程对城市河流的显著影响,应用Tennant法计算河道基流生态需水量,同时用经验公式法计算城市河流的水面蒸发量、渗漏量以及河道外绿化带景观用水量作为补充,并以郑州市为例验证了该方法的合理性和实用性。
The damage to water ecosystems of urban rivers and the shortage of water resources have become more prominent with the rapid development of social economy, the accelerated expansion of cities and the intensification of human activities. As a result, it is of great significance to study the ecological water demand of urban rivers. Based on the existing calculation methods of ecological water demand, Tennant method was used to calculate the basic ecological water demand of urban rivers, considering that the ecological water demand of urban rivers is different from that of natural rivers. As a supplement, the empirical formula methods were respectively used to calculate the ecological water demand from the evaporation and leakage of urban rivers and the ecological water demand from riparian landscape, in consideration of the significant impact of human activities and urbanization on urban rivers. The rationality and practicability of this calculation method was proved by taking Zhengzhou City as an example.
作者
杜龙飞
侯泽林
李彦彬
张泽中
徐建新
DU Longfei;HOU Zelin;LI Yanbin;ZHANG Zezhong;XU Jianxin(North China University of Water Resources and Electric Power,Zhengzhou 450045,China)
出处
《人民黄河》
CAS
北大核心
2020年第2期34-37,47,共5页
Yellow River
关键词
城市河流
水资源
生态需水量
郑州市
urban rivers
water resources
ecological water requirement
Zhengzhou City
