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1.The regional flood frequency analysis based on L?moment proposed by Hosking in 1997 was applied to the flood frequency analysis of annual maximum flood volume for five hydrological stations, including Yichang, Shashi, Luoshan, Hankou, and Datong on the middle and lower reaches of the Yangtze River.
对长江中下游地区宜昌、沙市、螺山、汉口及大通5个水文站的年最大洪量序列,采用美国学者Hosking等于1997年提出的以线性矩(L moment)为基础的区域水文频率分析方法进行频率计算,结果表明:由此5个站点组成的区域可认为是水文频率计算的一致区,可采用指标洪水法对各站进行频率计算;收藏指正
2.The renovation of flood control works should take precedence in the annual construction plans of the relevant departments.
　　国家鼓励、扶持开展洪水保险。收藏指正
3.Abstract: The sea-surface temperature change in October along the eastern Pacific equator is obviously counter-correlation to the western Pacific ridge line of the subtropical high of the coming early summer (June); The sea-surface temperature annual change has a sensitively instructive meaning on the precipitation of the coming flood season in Qingdao area.
文摘:历年10月东太平洋赤道附近的海温变化与来年初夏(6月)西太平洋副高脊线位置呈明显的反相关；其海温的年际变化对于青岛地区来年汛期降水具有敏感的指示意义。收藏指正
4.Transforming Chinese pine forest on a hill into the mixed forest, the annual forest output can be obtained 190 kg/mu Planting mixedly sallow thorns, a nitrogen-fixing bush, among the rows of poplars on the flood land, the annual forest output can be obtained 325 kg / mu.
改造山地油松纯林为复层混交林,可获薪材190kg/(亩·年); 在河滩地杨树用材纯林行间混栽固氮灌木——沙棘,可获薪材325kg/(亩·年);收藏指正
5.Based on the equilibrium concept of sediment transport of flood and ebb tide, the discharge of ebb tide can be written as a function of annual runoff and ebb tide duration, so it becomes an independent variable, favourable to the analysis and forecast of impacts of human activities.
但因落潮流量是与河宽、断面面积有关的非独立自变量 ,基于涨、落潮 (包括径流 )的输沙平衡概念 ,得出了在平衡条件下河口沿程各断面落潮流量与径流及其潮流历时的关系式 ,从而使非独立自变量成为独立自变量 ,便于分析和预测人类活动对河口的影响 .收藏指正
6.The fluxes of the dissolved inorganic nitrogen and phosphorus were not uniformly throughout the year due to the runoff. The fluxes of NO+--3, NO+--2, NH++-4, DIN and PO+{3-}-4 in the flood season accounted for 72.9%,58.1%,69.2%,71% and 68.3% of the average annual fluxes, respectively.
溶解态无机氮、磷的通量由于受到流量的影响而在年内分配不均匀 ,其中NO-3、NO-2 、NH+4、DIN和PO3-4在洪季的通量分别为全年的 72 .9%、5 8.1%、69.2 %、71%和 68.3 % ;收藏指正
7.By using the 1960—2004 flood season (from May to September) daily precipitation data of 87 stations in six provinces and one city in the mid-lower reaches of theYangtze River, with EOF, REOF, tendency analysis and Morlet wavelet analysis, it is analyzed that the annual extreme precipitation of various stations and its spatial distribution for the recent 45 years.
利用长江中下游地区(湖北、湖南、江苏、安徽、江西、浙江和上海)1960—2004年87个台站汛期(5—9月)逐日降水资料,统计不同台站近45年逐年汛期极端降水量,运用EOF、REOF、趋势分析及Morlet小波分析等方法进行了时空分布特征分析。收藏指正
8.Through the statistics and analysis of runoff and amount of sand lost in the downstream of Weihe in recent years, it is discovered that in the downstream of Weihe the magnitude sand season was ahead of the main flood season relatively within the year; Variation tendency of annual runoff and amount of sand lost was identical basically , and the quantity of water and sand at Huaxian gauging station was tailing-off continuously from the 1960 to 2005; There was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river: The river depositing in the year which is rich rainfall, the eroding in the poor rainfall.
摘要本文通过对近6年渭河下游水沙量数据的统计和分析得出，渭河下游河段年内多沙期较河流主汛期有所提前；年径流量和年输沙量的变化趋势基本一致，而且自60年代至2005年华县站的水沙量持续呈递减趋势；河流的冲淤情况与该河段的降雨量有着直接的关系，当年平均降雨量小的时候河流以淤积为主，当年平均降雨量大的时候河流以冲蚀为主。收藏指正
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