decadal 中文意思是什麼

The distribution of the global dry and flood years takes on decadal character

旱澇年的分佈有明顯的年代際特徵。

Inter - decadal change of the rainstorm and flood extreme values in the 20th century

20世紀暴雨和洪水極值的年代際變化

Decadal variability and abrupt change of upper - ocean temperature in the pacific

太平洋次表層海溫年代際變率及其突變特徵

Interaction of air - sea in the middle latitudes and decadal climatic oscillations

海氣相互作用與年代際氣候振蕩可能機制初探

Principal modes of interannual and decadal variability of summer rainfall over south america

南美夏季降水的年際，和年代際變化的主要模態。

So, it is more likely the tropical processes themselves lead to enso decadal variability

可見， enso的年代際變化可能只是熱帶范圍內的海氣相互作用過程。

We also detail regional range of each season. and chose 4 stations to analyze the decadal variability of rainfall

最後選取4個代表站進行降水的年代際變化分析。

Inter - decadal change of sea surface temperature and its interaction between tropical pacific and indian ocean in summer and winter

印度洋海表溫度年際異常的年代際變化

Numerical simulation of influence of the outer forcing on decadal variability of general circulation of atmosphere in northern hemisphere winter

冬季北半球平流層季節內振蕩與對流層季節內振蕩的關系

The precipitation of northern hemisphere has a significant negative trend, lapse rate of precipitation during djf is - 0. 028mm / a. for the southern hemisphere, has n ' t pass the statistical significance. the flood / drought years are pick out in 1948 - 2001 for djf over global, northern and southern hemisphere, six large - scale areas, the results point out has significant decadal change in the flood / drought years of global, nh and sh in djf, during 1940s - 1970s global flood in djf occurred frequently and from 1970s - 1990s global drought in djf occurred frequently

北半球有明顯的降水減少，約為- 0 . 028mm a ，南半球12 - 2月降水表現為極微弱的下降趨勢，且在統計上是不顯著的。劃分出了全球、南北半球、全球6個大尺度區域12 - 2月旱澇年，指出全球及北、南半球12 - 2月的旱澇有明顯的年代際變化。 70年代中期以前是全球洪澇多發期， 80年代到90年代為全球乾旱多發期。

Sn with 255mm and bf1 with 212mm in height ) from xiniu cave, shennongjia to investigate a decadal - century scale climatic changes of east asian monsoon covering the most part of the last two millenary

近2000年來氣候變化的研究，對于認識未來氣候變化有重要的意義。作者從神農架犀牛洞採到兩根分別長255mm （ no . sn ）和212mm （ no . bfl ）的石筍。

( 4 ) the anomaly of the ssmcs has better durative when the ah encourter niter - annual variation, and in the inter - decadal scale, when the ah occurs the inter - annual variation, the anomaly of the cef between 100 and 160 e on 925hpa, the strength and area of sh has better durative, the durative of the cef ' s anomaly on 200hpa

（ 3 ）當澳高發生年際變化時，亞澳地區降水異常主要表現在兩個區域： 1 ） 30 n附近從我國東部地區至日本半島以及西北太平洋一帶。 2 ） 10 n附近的熱帶洋麵上。當澳高偏強時，這兩個地區的降水異常偏多。

( 5 ) the decadal variations of quasi - quadrennial and quasi - biennial components of wind stress fields make west wind anomaly of east pacific and meridional wind stress anomaly converging upon the equator stronger since 1980s

（ 5 ）風應力距平場具有空間非對稱性，同時又有時間非對稱性： 80年代以後，太平洋中部的西風異常偏強；從赤道兩側向赤道輻合的經向風應力異常偏強。

The subduct ion sign propagates toward the western tropical pacif ic ; and the decadal sign from the western tropical pacific propagates toward north - east. they meet at about 160 meter in depth in subtropical pacific

從北太平洋窗口區潛沉的海溫年代際信號沿西南路徑傳播到副熱帶地區，在溫躍層160m上下與熱帶西太平洋向東北傳播的海溫異常信號會合。

In this paper, features of decadal variability and the possible mechanism of sea - air system in the pacific are investigated by using upper - ocean temperature, heat storage and wind stress data, the main results are as follows : the most pronounce decadal sign exists at about 160 meter in depth in the western pacific. there are significant decadal abrupt changes in temperature from surface to deep in the subsurface at about 1980. with different depth in the subsurface, there exist 4 types of abrupt change modes, their generation is closely related to the decadal sign which originates from the east of north pacific and propagates along the south - west subduct ion route

研究表明，太平洋次表層海溫最強的年代際信號在熱帶西太平洋約160m深處，此信號在1980年前後從上至下，先後經歷了一次顯著的年代際突變過程，而且隨深度的不同存在著四種不同的空間突變模態，這四種模態的形成與北太平洋海溫異常的西南潛沉路徑有著密切的聯系。

If a decadal positive temperature anomaly occurs in the eastern tropical pacific, the atmospheric response excites a anticyclonic wind stress anomaly in the east of australia, which will lead to generate a negative temperature anomaly in the western tropical south pacific

當熱帶東太平洋的海溫為暖異常，它將激發澳大利亞的東部沿岸的大氣產生反氣旋性風應力異常，在這種風場的作用，下方海水向四周輻散，導致熱帶西南太平洋的溫躍層變淺，產生負的溫度異常。

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。

The frequency analysis of area - averaged ssta time series in key regions indicates that the power spectrum peaks is centered at 2 - 4yr annual oscillation, and there is also long temporal scale oscillation such as quasi decadal oscillation revealed by wavelet analysis

時頻分析表明，這兩個海區區域平均的ssta時間序列存在顯著的2 - 4年年際振蕩以及準年代際變化。自相關分析表明西風漂流區與熱帶中東太平洋ssta在冬季的持續性較好。

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。

Result shows that summer precipitation in north china has gone through four major dry - damp phases, richer periods from 1900 to 1915 and from 1946 to 1978, less periods from 1916 to 1945 and from 1979 to 2001, and has obvious inter - decadal variations, and has about 60a, 20 - 30a, 10a major periods and has twice abrupt changes in 1953 and 1979

結果表明：華北夏季降水經歷了四個主要干濕階段，即1900 1915年和1946 1978年為多雨期， 1916 1945年和1979 2001年為少雨期，具有明顯的年代際變化，主要有約60年、 20 30年和10年左右的周期，並在1953年和1979年發生了兩次氣候突變。