海河干流中段河岸带功能开发与保护(张水龙 李玉花) - 水利科技资讯 - 水资讯网 关键词〕 河流生态学;河岸带;河岸带功能;海河 [gap=4431]Key words】 river ecology; riparian; riparian function;Haihe River
基于72个网页-相关网页
海河 the haihe river (又称“沽河”, 我国华北最大水系, 全长1090公里, 到大沽口入渤海)
基于1个网页-相关网页
海河流域 Haihe River Basin ; xin'anjiang model ; Haihe River Valley
海河成沉积层 shore deposit
武氏海河 VU THI HAI HA
海河联运 Haihe River transportation ; Haihe multimodal transport ; Haihe river combined transport ; Haihe River transport
海河水利 Haihe Water Resources
入海河流 land stream ; seagoing rivers
上海河北饭店 Hebei Hotel
入海河口 exorheic ; ocean outfall ; estuary
海河干流 haihe river mainstream ; mainstream of Haihe River
The proportion of actual EWR of the Haihe River during 1999-2002 revealed that the EWU has not been satisfied.
然后计算了1999-2002年海河实际生态用水比例,表明生态用水一直没有得到满足。
参考来源 - 河流生态系统合理生态用水比例的确定After that, the risk level of flood control capacity for Haihe River was evaluated and the relation of flood control capacity and reliability was shown in the result.
并提出了河道堤防防洪能力可靠度的计算方法,以海河干流为例,对其河道防洪能力进行了风险分析和评价。 计算结果表明,该方法从定性上和定量上都较好地反映了堤防防洪能力与可靠度的关系。
参考来源 - 防洪及水资源利用风险分析问题的研究The increases in evapotranspiration and yield of winter wheat and summer maize were found in the low land along Hai River, which was caused by the improved irrigation conditions and integration management carried in this area through the recent years.
海河低地平原地区的冬小麦和夏玉米的蒸散量和产量都有大幅度的提高,引起这些变化的主要原因是灌溉条件的改善及黄淮海平原的综合治理力度的加大。
参考来源 - 基于NDVI遥感数据的华北平原作物蒸散量、产量时空分布研究(1981—2001)·2,447,543篇论文数据,部分数据来源于NoteExpress
应用推荐