1) harnessing countermeasure of downstream reach of Wei River
渭河下游治理
1.
Scouring and aggradation rule of Wei River and Jing River and harnessing countermeasure of downstream reach of Wei River;
泾渭河冲淤规律分析及渭河下游治理对策研究
2) lower Weihe River
渭河下游
1.
Auto-regulating function of channel of Lower Weihe River since 1960;
1960年以来渭河下游河道的自动调整作用
2.
Stable lowering of Tongguan bed elevation and comprehensive regulation of the lower Weihe River;
潼关高程的稳定降低与渭河下游河道综合治理
3) lower course of Weihe River
渭河下游
1.
In the history,the super and large floods happen in the lower course of Weihe River for many times,so to bring about the serious disasters in the region.
历史上,渭河下游发生多次超大型洪水,给该地区带来了严重的灾害。
4) the lower Weihe River
渭河下游
1.
Study on sediment-carrying water volume in the lower Weihe River;
渭河下游输沙用水量研究
2.
River Shrinkage and Harnessing Countermeasures of the Lower Weihe River in Recent Period;
渭河下游近期河道萎缩特点及治理对策
3.
A 1-D sediment transport model was applied in this paper to study the processes of scouring and silting in the lower Weihe River and the river course from Tongguan Station to Sanmenxia Reservoir as well as possible falling of the Tongguan elevation due to the effect of the Changjiang River-to-Weihe River Water Transfer Project.
采用一维泥沙数学模型计算与分析了引江济渭工程不同引水方案对渭河下游河道和潼三河段冲淤及降低潼关高程的作用。
5) downstream of Weihe River
渭河下游
1.
Research on the relationship between bank-full discharge and runoff-sediment condition in the downstream of Weihe River;
渭河下游平滩流量与水沙条件响应关系研究
2.
Based on analysis of the inherent relationship between the changes of erosion and deposit in Tongguan reaches and in lower reaches of Weihe river,the author pointed out that the changes of erosion and deposit downstream of Weihe river is in good agreement with the changes of erosion and deposit at Tongguan reaches.
三门峡水库控制运用以来,潼关高程持续抬升,渭河下游仍在淤积发展,究竟是潼关高程抬升引起渭河下游淤积发展,还是渭河下游淤积发展造成潼关高程的缓慢上升,一直是三门峡问题的焦点。
6) lower reaches of the weihe river
渭河下游
1.
In this study,the change of landscape pattern and its driving forces in the flooded area along the lower reaches of the Weihe River during the period from 1989 to 2000 are lucubrated using RS and GIS means.
应用GIS/RS技术与景观格局分析软件FRAGSTATS,研究了1989-2000年渭河下游洪泛区土地景观格局变化及其驱动力。
2.
The frequent flood and unreasonable land use deteriorate the land use risk problem in the flooded area of the lower reaches of the Weihe River, which cumbers the economy development of this area.
渭河下游洪泛区由于频繁的洪涝灾害和不合理的土地利用方式,使得土地风险问题日益突出,直接制约了渭河流域下游洪泛区的经济发展。
补充资料:长江中下游平原自然资源
长江中下游平原自然资源
natural resources of Changjiang zhongxiayou plain
ehangiiang zhongxiayou Pingyuan ziran ziyuan长江中下游平原自然资源(natural resou职esofChan却ang而d山e一助wer plain)长江中下游平原位于黄淮海平原以东,江南与东南沿海山地丘陵以北,长江三峡以东地区。主要由长江及其两岸支流冲积而成,包括江汉平原、洞庭湖平原、都阳湖平原、皖中沿江平原、里下河平原及长江三角洲平原,大部分地区海拔低于50米,面积约20万平方千米。全区位于亚热带范围,年均温14~18℃,1月均温O~5.5℃,7月均温27~28℃;年降水量1(XX)~1500毫米,比华北平原多1~2倍,季节分配较均匀;无霜期Zro~270天,〕ro℃积温达45(X)、5以叉)℃。作物可一年两熟,长江以南可发展双季稻连作的三熟制。土层深厚,有机质含量丰富,水田占耕地面积的70%左右。江河沿岸稍高处,土质疏松,排水良好,适宜棉田早作,是中国最重要的粮棉油生产基地。 长江天然水系及纵横交错的人工河渠,使这里成为中国河网密度最大的地区,平均1~2千米/平方千米,其中杭嘉湖平原高达12千米/平方千米。境内湖泊星罗棋布,是中国淡水湖泊分布最稠密地区。中国5大淡水湖泊中有4个分布在这里。它们是都阳湖、洞庭湖、太湖、巢湖。其中太湖地区共有大小湖泊(大于0.5平方千米)189个,水域面积占总面积的8.%%,高于全国湖泊率(0.83)的10倍。湖沼地区有丰富的水生生物资源,是中国水生动植物分布最广、产量最丰的地区。保存有中华鳃、扬子鳄、白暨豚等珍稀动物。 平原境内长江干流及其众多的大小支流,河长水丰,汉江等河段落差大,适宜建水电坝址,进行多级开发。宜昌至河口段水能蕴藏量为4944.5万千瓦。尤以湖北省境内各河段水能资源格外丰富,长江和汉江过境流量800亿立方米,水能蕴藏量达40以〕万千瓦,仅次于川、滇、藏,居全国第四位,且各水系流域雨季时空分布不一,修建电站可借助长江、汉江丰枯期的先后,进行相互调剂补偿。矿产资源不多。鄂东大冶、宁(南京)芜(湖)及湘中涟源一带分别是中国著名铁矿和锰矿分布地区。(冯嘉苹)
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