variation in precipitation 中文意思是什麼

variation in precipitation 解釋
降水量變化
  • variation : n 1 變化,變動。2 變量,變度,偏差。3 【語言】語尾變化;變體,異體;【數學】變分,協變;順列;【...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • precipitation : n. 1. 猛然摔下,落下。2. 猛沖;急躁,輕率,魯莽。3. 【化學】沉澱(作用);降雨(量);(雨、雪等的)降落。
  1. There is no perspicuity verge between the west and the east of qinling mountains, so we have to draw a line to divide it into two parts. by analyzing the chang of observation spot " s precipitation in summer and in autumn on the same latitude, we can make a conclusion that 108 ewill be the line possibly. the paper was going on under the background of global chang by compairing the variation characteristics of norm annual air temperature and norm annual precipitation, and by compairing air temperature and precipitation over the season,

    秦嶺東部地區氣候變化總體趨勢為降水減少、氣溫遞增,其中近50年的時間里,氣溫共遞增0 . 185 ,同時降水減少75 . 35mm ,表現為暖干化特點,其暖化的特點表現在冬半年的暖冬尤其是冬季增溫強烈,干化則主要集中在夏季降水的銳減;而秦嶺西部地區則降水減少的同111氣溫下降,近50年來,氣溫共下降0
  2. Characters of precipitation variation in jinghe watershed

    涇河流域降雨量變化特徵分析
  3. In this paper, we study the climatic variation features of all the year, spring and winter, result shows that the precipitation in zhejiang province has no prominent trend in spring and winter

    浙江省氣溫變暖主要發生在春季與冬季。從全省范圍來看,浙江省春季和冬季降水變化趨勢不顯著。
  4. The precipitation and temperature both existed 5year periodic variation in the pre - flood period in the south of china

    華南前汛期降水和氣溫都有5a的主周期。
  5. By utilizing the data on agricultural drought disaster and precipitation in past 50 years in shandong province, the characteristics of agricultural disaster and variation features of hazard - formative factors are analyzed

    摘要利用山東省近50多年的農業旱災災情資料和降水資料,分析了乾旱災情和致災因子的變化特徵。
  6. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列降雨資料,對保定市降水量進行了頻率分析、年內變化分析和多年變化分析,明確了保定市降水量年內、年際間的變化情況:保定市降水量年內分配不均,汛期( 6 - 9月)占年降水量的81 。保定市降水量年際間變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前期降水量豐枯交替頻繁,總的接近於枯水年段; 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。
  7. There are certain relations between circulation pattern index ' s decadal variance characteristic and decadal variation tendency of the precipitation of china : in the 1960s and the 1970s, in which the negative index are relatively more, the precipitation are abundant, and in 1980s in which positive index dominant the precipitation over north china are obvious deficient ; the situation of the yangtse river and huaihe river basin is opposite

    流型指數的年代際變化特徵與我國降水的年代際變化趨勢有一定的關系,負指數偏多的60 、 70年代華北降水偏多,而正指數占優勢的80年代華北降水則明顯偏少;江淮流域的情況則相反。
  8. Analysis of time variation of precipitation in beijing

    北京城區陣雨徑流水質分析與評價
  9. Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years

    本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小波分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間長,強度增大,事件起始於正海溫距平。
  10. Based on the rainfall data in autumn, an analysis of synthesis profit, such as autumn rainfall utilized in spring, the change of soil moisture, water storage variation in qinghai lake and so on, of the artificial precipitation is made

    摘要據2001年秋季人工增雨資料,結合歷年秋季降水資料,從秋雨春用、影響地下水位涵養、青海湖水量盈虧等方面分析了秋季人工增雨的綜合效益;並著重分析了秋季降水與環湖地區土壤水分貯量以及第二年春季環湖天然草場土壤墑情、牧草返青時間、生長狀況及產量的關系。
  11. When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl

    模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例,在只改變模式中_ i取值的條件下,對南京、旬邑兩個不同地區的冰雹雲,對比分析了冰晶譜形變化,對雲和降水的影響,最後又分別用agi進行催化數值試驗,來對比研究兩個不同地區雲中冰晶譜形的變化,對催化防雹影響。
  12. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    ( 4 )夏季南亞高壓東西振蕩具有明顯的年代際變化特徵,本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵,發現無論是10年周期態還是25 - 30年周期態,對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵,說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性,可將南亞高壓看作氣候系統中大氣子系統異常的強信號,通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。
  13. The ncep / ncar reanalysis data, china 740 stations precipitation data, and the tbb data from meteorological institute research of japan are employed to study the structure and variation law of subtropical high ( sh ) in the period of double ridges. by combining together case diagnosis and statistic analysis, some new findings of the sh double ridges are obtained

    本文以副熱帶高壓結構和活動規律為線索,圍繞副高雙脊線這一新主題,利用ncep / ncar再分析資料、中國臺站降水資料以及日本氣象廳提供的tbb資料,通過個例分析和統計分析,發現了若干新事實,揭示了與副高雙脊線有關的一系列特徵和規律。
  14. 2 ) there is three basic precipitation regions in middle and lower reaches of yangtze river. they have visible homologous relationship with the period of meiyu in the temporal variation, in the late 1980 ' s, the characteristic of precipitation in midd le and lower reaches of yangtze river begins to altering

    2 )長江中下游梅雨期的降水主要存在三個基本地區,且在時間變化上與梅雨期的出現有著明顯對應關系, 80年代末,長江中下游梅雨的降水特點發生了改變。
  15. Based on global land monthly precipitation dataset prec / l during the period of 1948 - 2001, ncep / ncar reanalyzed monthly mean wind data and global monthly sst grid data edited by british meteorological bureau. the flood / drought and the secular trend variation of precipitation of global, the northern hemisphere ( nh ), the southern hemisphere ( sh ), eurasia, africa, australia, north america, south america and antarctica in december - february ( djf ) are investigated

    本文利用1948 - 2001全球陸地月降水資料( prec l ) ,美國ncep ncar再分析月平均風場資料和高度場資料以及英國氣象局整編的全球逐月海溫格點資料。研究了全球、北、南半球及歐亞、非洲、澳洲、北美、南美和南極大陸6個大尺度區域12 - 2月的降水趨勢變化及旱澇氣候變化。
  16. Northeast china floods season precipitation take place a mutation in 1967. the distribution of northeast china floods season precipitation anomalies shows different phase in different years. ( 3 ) northeast china precipitation anomalies shows complex periodic variation in different seasons and in different years, but all the season exist periodic variation of quasi - three years and over 10 years to different extent

    汛期降水異常的空間分佈在不同年代有不同的位相分佈特徵( 3 )東北地區降水不同季節不同年代表現出了較為復雜的周期特徵,其中各季都表現出了明顯的準3年振蕩的周期特徵,同時還不同程度存在10年以上的周期。
  17. The sequence is : non - classical ng supersaturated solid solution spinodal decomposition the variation in precipitation mechanism of 8 " phase in intermediate region is systematically investigated firstly, and it is found that with the increase of composition the precipitation characteristic transforms from that of metastable to instable region gradually

    首次發現l12有序疇之間首先形成較寬的重合位置點陣,隨時間延續,重合位置點陣逐漸向ll :結構轉變,在兩有序疇之間形成反相疇界,隨后,由於合金發生分解,反相疇界被有序一無序界面替代。
  18. ( 3 ) the precipitation anomaly existed 3year. 5year 7year 14year periodic variation in the pre - flood period in the south of china. the temperature anomaly existed 2year 4year 5year 12year 19year periodic variation in the pre - flood period in the south of china

    ( 3 )華南前汛期降水異常存在3a 、 5a 、 7a的年際周期和14a的年代際周期;華南前汛期氣溫異常存在的2a 、 4a 、 5a的年際周期及12a 、 19a的年代際周期。
  19. ( 2 ) the precipitation shows periodic variation of 2 - 4 years in the four seasons and significant 10 - 12 years periodic variation in summer and flood season. ( 3 ) liaoning flood season precipitation anomalies in phase with huabei and dongbei, jiangnan inverse

    在周期上,遼寧四季降水的3年左右振蕩特徵較為一致,夏季和汛期的10 12年周期顯著。遼寧汛期多少雨年同期華北、東北與之同位相,江南與之反位相。
  20. Eight heavy metal elements are measured under atmospheric background and dust - sandstorm weather conditions. element - concentration under dust and sand storm is as higher 3. 43 - 6. 30 times as background. six heavy metal elements in precipitation are also analysed and its sharp variation geographically are found

    分析了大氣背景和沙塵天氣下的8種重金屬元素濃度和降水中的6種重金屬元素濃度,結果表明,沙塵天氣重金屬元素濃度是背景值的3 . 43 - 6 . 30倍,降水中6種重金屬元素濃度的地理分佈存在不均勻性
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