high latitude 中文意思是什麼

high latitude 解釋
高緯度
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • latitude : n 1 緯度 (opp longitude)。2 【天文學】黃緯。3 〈pl 〉 (以緯度而論的)地區,地方,地域。4 (見...
  1. The baric field and the tempreture field of high latitude will have some changes because of the change in the vegetation states of the landuse

    由於下墊面植被狀況的變化,高空氣壓場和溫度場也隨之發生一些變化。
  2. 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。
  3. During flood years, the center of negative anomaly is around ural mountains, the center of positive anomaly is around high - latitude of east asia and another negative and positive center are over okhotsk sea and the north - west pacific, respectively

    通過對夏季旱澇等級指數的morlet型和mexicanhat型小波變換分析,發現山東夏季旱澇指數主要存在著2 5年和7年左右的周期振蕩。
  4. Phylogenetic diversity and cold - adaptive hydrolytic enzymes of culturable psychrophilic bacteria associated with sea ice from high latitude ocean, arctic

    北極高維度海域海冰嗜冷菌系統發育多樣性及其低溫水解酶分析
  5. The anomaly of sea - ice in this area produced anomaly of circulation in middle - high latitude. there was an obvious wave train in high latitude area, its centers located at polar region surrounding greenland island, east siberian, and north pacific

    該海區的海冰異常造成中、高緯度環流的異常,在極區與歐亞高緯地區之間存在距平波列,其中心分別位於極區(格陵蘭島周圍) 、東西伯利亞、北太平洋。
  6. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  7. This pattern of ssta distribution is related to summer rainfall anomaly of north china by means of the tropical convection activity and general circulation in the middle and high latitude

    這種海溫異常分佈型可通過夏季熱帶對流活動和中高緯大氣環流與華北夏季降水異常產生聯系。
  8. Iii sea - ice of hudson bay also obviously affected circulation pattern of middle - high latitude

    ( 3 )哈得孫灣海冰也對中高緯度環流有明顯的影響。
  9. By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere

    利用ncep ncar再分析高度場和風場資料,計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖(即氣候lpac圖) 、年際異常圖及均方差圖,在此基礎上,分析了北半球平均環流季節轉換及其異常的規律。分析表明,氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程:在對流層中、下部,風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程;低平流層夏季型環流的建立與對流層接近,其中,南亞高壓上高原過程有明顯反映:中平流層,夏季型環流的建立明顯表現為從中、高緯度開始,逐步向低緯傳播的特徵,且變化較對流層和低平流層明顯。
  10. 4. for different summer persistent circulation patterns over eurasia mid - high latitude, their background heat field have difference

    對于夏季歐亞中高緯的不同持續環流型,其背景加熱場存在著差異。
  11. There are three main genetic types : ( 1 ) biogas generated in high - latitude and low - temperature permafrost zone : ( 2 ) biogas generated in high salinity environment in high elevation ; ( 3 ) biogas in shallow pay generated in recent sediment

    其主要成因類型有3種:高緯度低溫,永久凍土帶下形成生物氣;高海拔、高鹽度環境下形成生物氣;現代沉積物形成淺層生物氣。
  12. High latitude research satellite

    高緯度研究衛星
  13. The phenomenon that rivers freeze in high latitude and cold regions is universal

    摘要高緯度寒冷地區的河流在冬季結冰是一種普遍現象。
  14. When south indian ocean in southern hemisphere - zonal ( meridional ) circulation developing in middle latitude and in high latitude of australian, the precipitation in middle and lower reaches of yangtze river rather big ( small ) after some relative process affecting

    當南半球南印度洋?澳大利亞中高緯度地區緯向(經向)環流發展時,通過一系列的環流過程影響,長江中下游梅雨期降水偏多(偏少) 。
  15. The precipitation in middle and lower reaches of yangtze river response to the positive abnormal in eurasian continent and it also has the relationship with the interannual variability of the middle and high latitude of north atlantic sst and the west pacific warm pool

    長江中下游降水對應于歐亞大陸的位勢高度正異常,長江中下游降水與北大西洋中高緯度和西太平洋暖池sst的年代際變率有關。
  16. The research showed that : from january to march, the acreage average ozone gross gathered, which was synchronized with the increase of the frequency of strong ssw event. furthermore, the change tendency of ozone gross in the atmosphere break forward and backward 1990. after the1990s, ozone gross in the atmosphere appeared negative anomaly in the mid and high latitude of north hemisphere from january to march, which was consistent with the obvious descent of appearance frequency of strong ssw event after the 1990s

    分析表明: 1至3月,臭氧總量的面積平均逐漸增高,這與強ssw事件頻數1至3月增高同步;此外,大氣臭氧總量趨勢變化以1990年前後存在明顯的突變, 90年代以後,北半球中高緯1 ? 3月間大氣臭氧總量處于負異常階段,這和90年代以來強ssw事件發生頻數明顯下降相吻合。
  17. High - latitude glacier

    高緯冰川
  18. High - latitude calcareous phytoplankton and zooplankton might share a similar fate, although their declines would come decades later because their shells are formed from calcite, the less soluble form of calcium carbonate

    高緯地區的鈣質浮游植物和浮遊動物可能有相似的命運,雖然它們受到影響的時間也許會晚數十年,因為鈣質浮游生物的外殼由方解石形成,這種碳酸鈣礦物結晶比較不容易溶解。
  19. In this paper, i studied the space - time character of ssw event in the mid and high latitude of the northern hemisphere and its affective factors, by using ncep / ncar re - analyzed day - by - day potential height field, temperature field, u, v and w data field, and monthly average earth probe - toms global grid data of ozone amount

    本文利用ncep ncar再分析計劃的逐日位勢高度場,溫度場, u 、 v和w資料場和earthprobe ? toms月平均全球臭氧總量格點資料,對北半球中高緯地區強爆發性增溫( ssw )事件的時空特徵及其影響因素進行了研究。
  20. The results express that : errors can be reduced to 0. 1 in 500s, and this system can be used in the high latitude area

    模擬實驗結果表明:在500s內系統對準精度達到0 . 1 ,並且適用於高緯度地區。
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