annual flood 中文意思是什麼

annual flood 解釋
年洪水量
  • annual : adj. 1. 每年的；年度的；一年（一次）的。2. （植物）一年一生的，一季生的。n. 1. 一年生[一季生]植物。2. 年刊，年報，年鑒。adv. -ly 年年，每年。
  • flood : n 1 洪水，水災。2 溢流，漲水，潮水最高點，泛濫，洶涌。3 〈詩〉河，湖，海。4 充溢，豐富；大量，一...
  1. Analysis on and detection of the inter - annual drought and flood periodicity in some key agricultural periods

    農業關鍵期年際旱澇周期分析及監測
  2. The annual average temperature is 8. 6 c ~ 10. 7 c, and the annual average rainfall is 538 ~ 578mm, and the summit appears in july and august, the rainfall in the period of flood accounted for 70 % of the total. we had collected the algae of niangziguan stream for five times in 2002 - 2003

    我們於2002 ? 2003年間對娘子關泉域的藻類植物進行了5次採集，採集地點主要集中在滾泉、水簾洞泉、水上人家泉、五龍泉和平陽湖，共採得藻類植物標本105號。
  3. And a scaling lognormal model of flood volume is introduced to represent the affection of temporal scale of duration in annual maximum flood volume distributions

    並提出了洪水洪量的對數正態分佈模型來表徵年最大洪量分佈中歷時的尺度影響。
  4. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  5. The result shows that annual rainfall in the 15 coming years will increase by about 6 %, annual rainfall fluctuation will increase and rainfall concentration in a year tends to increase, which will make flood and sediment increased

    結果表明：未來降水量比多年平均值增加6 %左右，且年際波動性增大，年內分佈更加集中，洪水量和輸沙量有增大的趨勢。
  6. Using monthly mean rainfall and temperature data in north - west of china ( nwc ), the characteristics of rainfall anomaly at rainy season in nwc and the inter - annual varieties of drought / flood are diagnosed by means of eof, reof and wavelet analysis et al. and the ncep / ncar monthly reanalyzed data are employed to analyse the evolution character of water vapor flux and it ' s divergence flux, 500hpa height and u, v wind field. results show that ( a ) the space distribution of rainfall anomaly can be separated into seven climate sensitive areas, the first and the third region have the same rought / flood trend

    本文使用西北（區） 168個站1961 2000年6 9月（主汛期）月平均降水、溫度資料，運用eof 、 reof 、小波分析等方法診斷了主汛期月降水異常和旱澇的年代際變化；同時利用ncep ncar月平均資料，分析了強（弱）季風年西北空中水汽通量及其散度場、 500hpa高度場、 u 、 v風場的演變特徵，結果表明： （ a ）西北汛期降水可分為七個氣候異常區，第一、三異常區旱澇趨勢相同。
  7. The least rainfall in the pre - flood period and annual are both happen in the north of south of china ; ( 2 ) the total rainfall tendency has little change, while the total temperature tendency is increase

    （ 2 ）華南前汛期近50年的總的降水趨勢變化不明顯；而氣溫變化的總趨勢是增加的。
  8. So a new method ? scale analysis method ( or called fractal analysis method ) is applied to study the flood of jialing river basin. the scaling hypotheses is applied to the relationship of annual maximum flood and drainage area. and basing on the scaling lognormal model with two parameters introduced by smith, a lognormal model with three parameters of flood is introduced to represent the scale effect of drainage area in annual flood peak distributions

    在洪水區域分析中一般採用洪水指標法，但該法的基本假定與實際情況存在矛盾，因此本文採用一種新的分析方法? ?標度分析法（或稱為分形分析法）來研究洪峰的區域變化，將標度不變性引入年最大洪峰流量? ?匯流面積關系中，並將其用於嘉陵江流域的洪水，另外，本文在smith提出的具有標度性質的二參數對數正態分佈模型基礎上創造性地提出了三參數對數正態分佈模型來表徵年最大洪峰流量分佈中匯流面積的尺度影響。
  9. The precipitation character of the middle part of viet nam and its relation to the atmospheric circle. the autumn precipitation of the middle part of viet nam has obvious variations in inter - annual and inter - decade scale with clearly quasi 6a, 10a, 15a period ; in heavy rainfall years, there are a positive anomaly over the north - west pacific and a negative anomaly over japan ; while in deficient rainfall years, the anomaly distribution is on the contrary ; 4. the precipitation character of the south part of viet nam and its relation to the atmospheric circle. the research finds that the rainfall of the south part of vietnam usually concentrates in the autumn every year and a clear difference of atmosphere condition exists between that of flood and drought years

    越南中部降水變化特徵及其與大氣環流和海溫的關系越南中部秋季降水具有明顯的年際、年代際變化特徵，具有明顯的準6a 、 10a 、 15a左右的周期；越南中部多雨年， 500hpa高度距平場在熱帶西北太平洋為正距平，日本附近上空為負距平；而少雨年則相反；越南中部多雨年，熱帶中東太平洋海溫異常偏高，西太平洋海溫異常偏低；少雨年則相反；越南中部多雨年，登陸越南的臺風頻數偏多；而少雨年則相反。
  10. Based on the climate data from 1961 to 2000 in northwest chine, a new flood / drought indeces - palmer _ z index ( zndx ) is introduced. by analyzing and contrasting k - index, z - index and zndx, demonstrated the rationality of zndx and again determined grades of flood / drought for zndx and regional flood / drought indeces. the modified zndx is recognized to be optimum for studing the flood or drought of northwest chine, acting to the result of comparing annual and season flood / drough grades with those of history

    本文利用西北地區1961 2000年月、日氣候資料，引進一種新的旱澇指數方法palmer _ z指數（簡稱zndx ） ，通過與國內現用的z指數值、 k指數值對比分析，及其所含參數計算值與實測值的對比分析，論證了zndx指數的合理性，並對其單站旱澇指數及區域旱澇指數等級進行修訂。
  11. 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:歷年10月東太平洋赤道附近的海溫變化與來年初夏（ 6月）西太平洋副高脊線位置呈明顯的反相關；其海溫的年際變化對于青島地區來年汛期降水具有敏感的指示意義。
  12. 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

    摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出，渭河下遊河段年內多沙期較河流主汛期有所提前；年徑流量和年輸沙量的變化趨勢基本一致，而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢；河流的沖淤情況與該河段的降雨量有著直接的關系，當年平均降雨量小的時候河流以淤積為主，當年平均降雨量大的時候河流以沖蝕為主。
  13. In this paper, a set of medium - and - long - range hydrologic forecast models were established for predicting water regime in shanghai, including three hydrological series, annual rainfall and rainfall during flood season for one representative station and annual maximum water tide level at huang - pu park. the prediction models includes two parts. one is quantitative ones which are mainly studied in the paper, including ar ( p ), gm ( l, l ), modified gm ( 1, 1 ) and threshold ar modeling ; the other is markov chain qualitative modeling

    研究分兩個方面，一是定量預測，是本論文的主要研究內容，共建立了四個預測模型，分別是ar （ p ）模型、 gm （ 1 ， 1 ）模型、改進gm （ 1 ， 1 ）模型及tar模型；其二是建立了馬爾柯夫定性預測模型，給出分級預測結果。
  14. People living in mountainous regions and near fertile flood plains close to rivers are usually hurt by the annual rains

    生活在山區以及河流附近土地肥沃的平原上的居民每年常常遇到季雨帶來的災難。
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