日環流 的英文怎麼說
中文拼音 [rìhuánliú]
日環流
英文
diurnal circulation- 日 : Ⅰ名詞1 (太陽) sun 2 (白天) daytime; day 3 (一晝夜; 天) day 4 (泛指某一段時間) time 5 (日...
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 環流 : [氣象學] circulation; circulating current; circumferential motion; circular current; ring current...
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This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied
本文利用ncep / ncar再分析逐日500hpa高度場等資料,選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區,以夏季歐亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象,定義了一個夏季歐亞中高緯流型指數,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法,研究了典型持續流型的氣候特徵,分析了流型指數的年代際變化,以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。When dujuan was still over the western pacific at the end of august 2003 fig. 1, most parts of southeastern china had clear skies because of the fine weather outside the storm. as a result of abundant sunshine, thunderstorms developed over the region during the day fig. 2. under the influence of northeasterly winds aloft associated with the circulation of the storm, the thunderstorms moved southwestward and affected hong kong that evening figs
當杜鵑在2003年8月底仍在西太平洋時圖1 ,中國東南部大部份地區都在風暴外圍的晴朗天氣下,充沛的陽光使到該區在日間發展出雷暴圖2 ,雷暴隨上空與風暴環流相關連的東北風向西南移動,並在晚間影響本港圖3及4 。When dujuan was still over the western pacific at the end of august 2003 ( fig. 1 ), most parts of southeastern china had clear skies because of the fine weather outside the storm. as a result of abundant sunshine, thunderstorms developed over the region during the day ( fig. 2 ). under the influence of northeasterly winds aloft associated with the circulation of the storm, the thunderstorms moved southwestward and affected hong kong that evening ( figs
當杜鵑在2003年8月底仍在西太平洋時(圖1 ) ,中國東南部大部份地區都在風暴外圍的晴朗天氣下,充沛的陽光使到該區在日間發展出雷暴(圖2 ) ,雷暴隨上空與風暴環流相關連的東北風向西南移動,並在晚間影響本港(圖3及4 ) 。Longitude circulations exist in the soohpa height fields in wet. springs and latitude circulations exist in dry springs. the composite : differences of the atmospheric circulation exist in wet springs and dry springs, which appears to be the eu teleconnection pattern of the general circulation
結果表明,山東省春季澇年與旱年的環流形勢存在明顯的差異:異常多雨年,貝加爾湖以西的廣大中高緯地區高度場降低,我國東部到日本的高度場明顯升高,亞洲中高緯地區呈現緯向環流。( 5 ) the spring greenland sea - ice extent is larger ( smaller ) : then during the following summer the high of the japanese sea is stronger ( weaker ), and the low of the asian land is stronger ( weaker ), which make the pattern of low west and high east easily ( uneasily ) form ; the ascending movement over north china is strengthened ( weakened ) ; the summer monsoon of east asia is stronger ( weaker ), then the southeastern, warm and damp airflow towards the north china is stronger ( weaker ), and the cold airflow of the high level over the north china is also stronger ( weaker ), which make the convergence of the cold and warm air over north china easily ( uneasily ) form ; the sst of the east pacific ocean is lower ( higher ), while the sst of west wind drift is higher ( lower )
( 5 )春季格陵蘭海冰面積偏大(小) :後期夏季日本海高壓偏強(弱) ,而大陸上低壓也偏強(弱) ,易(不易)形成西低東阻的形勢;華北地區的上升運動增強(減弱) ;東亞夏季風偏強(弱) ,向華北地區輸送的西南暖濕氣流偏強(弱) ,而對應高空華北地區上空冷空氣活動偏強(弱) ,利於(不利於)華北上空冷暖空氣的交匯;夏季赤道東太平洋海溫偏低(高) ,西風漂流區海溫偏高(低) 。在以上的環流背景下,華北夏季降水偏多(少) ,易澇(旱) 。The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain
作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。Yet we don t always pay much attention to the various aspects of money that are of great importance to all of us : how the value of money is kept stable, for example ; how money is stored and put to work through the banks ; how money circulates around the economy ; how different forms of money - from coins and bank notes to the latest e - money - function
大家每日都會接觸和使用不同形式的貨幣,但對一些環繞貨幣而與我們息息相關的事情,像貨幣價值如何維持穩定貨幣如何經銀行儲存然後再轉作其他經濟用途貨幣如何在經濟體系內循環流通硬幣紙幣以至電子貨幣等各種形式的貨幣如何運作等,我們卻很少會留意。Based on t213 and other observational datasets, a severe heavy rain occurred in changjiang - huaihe basins during 4 - 5 july 2003 is studied. the primary diagnostic analyses show that double or single block is the characteristics of the macroscale circulation in this rainfall process. the strong conflict of warm and cold mass, mesoscale convergence on meiyu front, shear line, and stably maintaining of high and low jets make for the rainfall
本文採用地面高空常規資料,每6h一次的降水資料,以及t213數值預報資料,對2003年7月4 - 5日發生在江淮地區的一次梅雨鋒暴雨過程的影響系統及其可能機制進行了初步的診斷分析,發現,高緯雙阻、單阻形勢是這次暴雨過程發生的大尺度環流特徵;冷暖空氣的激烈交鋒、梅雨鋒上的中尺度輻合線、 700hpa 、 850hpa上的低渦、切變線以及穩定維持的高低空急流是導致這場暴雨的直接影響系統;該地區維持一個高能、飽和、潛在不穩定的環境,有利於特大暴雨的產生和維持。Workshop on the network system for monitoring and predicting enso event and sea temperature structure of the warm pool in west pacific ocean. 5 - 7 february, 2001, macao
2002熱帶海洋環境與氣候變化研討會,三亞, 2月26日3月1日。王東曉(南海環流模式比較初步結果、太平洋年代際變化的強迫因子、南海環流的多渦結構) 。Using the daily and monthly ncep / ncar reanalysis data from 1951 to 2000 and monthly precipitation of 160 stations in china in summer from 1951 to 2000, the climatic distribution of heat source are computed. the responses of the asian monsoon circulation to the annual anomaly of the heat source over the bay of bengal in summer and the annual relationship between the heat source and the precipitation of china in summer are analyzed
摘要利用1951 - 2000年ncep / ncar再分析逐日及月平均資料和我國160個測站1951 - 2000年月降水量資料,計算了夏季大氣熱源氣候分佈,分析了夏季孟加拉灣地區熱源年際異常及亞洲季風環流系統的響應,以及夏季孟加拉灣地區熱源與中國夏季降水的年際關系。When the zonal wind of 10hpa is apheliotes ( zephyrus ) and that of 70hpa is zephyrus ( apheliotes ), the transition delays ( advances ). the correlation between the ozone quantity and the transition dates in middle stratosphere is opposite. when the ozone quantity is excessive ( lack ), the transition advances ( delays )
分析發現10hpa及70hpa層的熱帶緯向風與相應層環流轉型日期之間的相關顯著, 10hpa熱帶東(西)風位相、 70hpa西(東)風位相時環流轉型滯后(提早) 。The boilers are well - structured and bring good benefit for enviroment protection. china is a big country for energy consumption, now, saving energy and enviroment protection have been already put on the importment order of the day. the quantity of the boiler required for the development of industry has been increasing, the annual requirement is about 100, 000steam - tons. recently, it has higher requirment to develop the thermoelectricity combustion production. therefore, 220ton hour circulation fluidized bed will have a good prospective market
中國是一個能源消耗大國,現已將節約能源和保護環境,提到了重要日程,而工業的發展對鍋爐的需求量還在不斷增大,每年約需10萬蒸噸,且目前對發展熱電聯產有更高的要求,因此,生產220噸時循環流化床鍋爐有較好的市場前景。In 1999, the dipole existed in between the okhotsk high and the depression in the north of northeast china, thus the okhotsk high became active and maintained, the subh was located to an area quite further south than usual. the high persisted in the east region of nw china, the cold air flowed to the mid - lower reaches of the yangtze river along the high. in the east region of nw china, air steam under troposphere was strong sinking motion, and formatted the negative vorticity region, the vapour flux divergence was divgence. lt was apparently that the rain could n ' t occur in the eastern portin of nw china. in 2000 year, okhotsk high was very weak or did n ' t exist in, there was high in the east asia - japan, the subh is located to an area further north than usual. in the east region of nw china, the trough maintained, air stream under troposphere was strong ascending motion, the cycolonic circulation was prevailing, the vapour flux divergence was intensive convergences the rain easy happened in the east areas of northwest china
4多梅雨1999年鄂霍茨克海阻塞高壓與我國東北北部低壓形成偶極子,使得阻塞高壓穩定少動,西太副高位置偏南,西北地區東部持續受高壓控制,冷空氣沿此高壓流經長江中下游地區上空;在西北地區東部對流層中下層氣流下沉運動較強,呈反氣旋渦度,水汽通量散度輻散,不利於西北地區東部降水。空梅雨2000年相反,鄂霍茨克海高壓減弱甚至不存在,東亞-日本為高壓,西太副高位置偏西偏北,西北地區東部處于西風槽中,對流層中下層氣流上升運動增強,盛行低壓環流,水汽通量散度強烈輻合,有利於降水生成。The weather system on july 5th 08bst depicted by the cloud - drift winds could be distinctively seen an anticyclone with divergence in the north and convergence in the south which was much helpful in rationally explaining the real weather process combined with some traditional methods
由它所表示的2003年7月5日07 ? 08時的高空風場上,可以清楚地看到一個北邊輻散,南邊輻合的反氣旋環流,這些細節有效地幫助了常規方法,使其對天氣過程做出合理的診斷分析。Special analysis is made to see the impact of different boundary layer parameterization schemes on some factors which affect the heavy rainfall such as vertical velocity, divergence, vorticity, divergence of water vapor flux, se field and so on
結果表明:復雜地形條件下,特別是降水有明顯日變化的地區,邊界層的作用是十分重要的,這在暴雨時的緯向垂直環流結構中表現地非常明顯。As shanghai entered the flood season and influenced by the outer air circumfluence of the typhoon sepat, the swollen huangpu river flooded the shallow areas of the bund
當日,受臺風「聖帕」外圍環流影響,加上上海進入主汛期,黃浦江水位上升,在外灘幾處低岸被淹。With the wind, pressure and sea surface temperature ( sst ) data provided by ncep / ncar reanalysis project and excess length of day ( lod ) data provided by international earth rotation service ( iers ), atmospheric angular momentum ( aam ) and its horizontal and vertical transportation are computed and analyzed, which are in accordance with maintenance of the zonal circulation. and the anomalous aam is highly consistent with el nino events
應用ncep / ncar40年再分析計劃提供的風場、氣壓場、海溫等資料以及國際地球自轉服務局( iers )提供的日長變化資料,計算大氣角動量及其水平、垂直輸送,分析其氣候及異常特徵,發現角動量及其輸送與緯向環流的維持相一致,角動量異常與厄爾尼諾事件緊密相關。In turn, the social division speeded up the improving of different levels of markets, with the rapid growth of rural market towns and primary exchange places, which played the link - point between the wide countryside and market economy, and the gradual mobilization of rural village its main characteristic
適應社會分工的發展,各級市場進一步發育。元代市場發育的一個明顯特徵就是聯系廣大農村經濟腹地與市場經濟的重要環節農村市鎮與鄉間初級小商品市場的顯著發展和鄉村經濟的日漸流動化。Summer precipitation in northeast china ranging from 1960a to 2000a and ncep reanalysis data is applied to study the temporal and spatial features of summer rainfall and extreme precipitation in northeast china. the results show : 1 summer rainfall in northeast china exhibits upward trend with the cycle variation of 14 years and 2 to 4 years. two abrupt changes occurs in summer rainfall with its happening time on 1964 and 1988 / 89
利用東北地區99個測站的1960 ? 2000年夏季逐日降水資料,以及ncep再分析資料,採用旋轉經驗正交函數、 morlet小波分析、合成分析等方法分析了東北地區夏季降水的演變特徵和降水異常的環流背景,得出主要結論如下: 1東北地區夏季降水存在著減少趨勢,並且有14年和2 4年的周期存在,降水發生過兩次突變現象,分別發生在1964年和1984 85年之間。Based on 1960 - 2000 daily temperature data of 99stations in northeast china and ncep reanalysis data, the spring temperature in northeast china is analyzed, and the results indicate : 1 the spring temperature in northeast china presents upward tendency and the cycle periods of 14 years and 4 to 6 years. meanwhile abrupt change is significant between the year of 1984 and 1985
利用東北地區99個測站的1960 ? 2000年春季逐日平均氣溫資料,以及ncep再分析資料,採用旋轉經驗正交函數、 morlet小波分析、合成分析方法研究了東北地區和各不同區域春季氣溫的時空分佈、年際和年代際變化特徵、春季氣溫異常以及低溫過程的環流特徵,並得出主要結論如下: 1 、東北地區春季氣溫存在著上升趨勢,並且有14年和4 6年的周期存在,東北地區春季氣溫存在突變現象,出現突變的時間在1984 1985年間。分享友人