precipitation area 中文意思是什麼

precipitation area 解釋
降水區
  • 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。
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area

    最後,得到以降水量和整層大氣可降水量為協變量的ca - fcm方法,由於採用聚類分析( ca )方法,提高了對比區和影響區相關性;採用網格插值技術提高了雨量的計算準確度;引入了不受催化影響的物理協變量(整層大氣可降水量) ,提高了作業區自然降水量估計值的準確性;所以評估效果最好,顯著水平高於0 . 05 。
  2. Sichuan is one of the agricultural province, locates in the area between the continental climate and oceanic climate, the distribution of precipitation is always disproportional due to the influence of atmosphere circumfluence, the existence of drought and floodwater plus water pollution have produced huge menace to agriculture, water resources utilization, soil erosion and even the life and properties of human being

    解決水資源的諸多問題,是擺在全黨、全社會和全國人民面前一項刻不容緩的重大戰略任務。四川作為貧水國的一個農業大省,由於地處海洋性氣候與大陸性氣候交接地帶,受大氣環流影響,降水時空分佈不均,水旱災害極為頻繁,尤其是乾旱對農業生產的威脅最大。
  3. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現:西部地區年降水量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。
  4. The main factors affecting the precipitation in the first stage of rainy season in fujian province are pacific sst in preceding june, the western pacific subtropical high area index in preceding may, the asia polar vortex area index in preceding september, the eurasian meridional circulation index in preceding april to june, the 500hpa height in northwest asia in preceding spring. the main factors affecting the precipitation in the second stage of rainy season in fujian province are pacific sst in preceding july and august, the northern hemisphere polar vortex area index in january in same term, the pacific polar vortex intensity index in preceding september, the 500hpa height in south europe in preceding summer

    ( 2 )影響福建省前汛期的主要因子有:前期6月太平洋海溫場、前期5月西太平洋副高面積指數、前期9月亞洲區極渦面積指數、前期4 - 6月歐亞徑向環流指數和前期春季亞洲西北部500hpa高度場;影響后汛期的主要因子有:前期7月太平洋海溫場、前期8月太平洋海溫場、同期1月北半球極渦面積指數、前期9月太平洋區極渦強度指數和前期夏季歐洲南部500hpa高度場。
  5. The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau

    但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇趨勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。
  6. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析,沿緯度方向ndvi變化可得出, ndvi在冬春季變化最明顯(尤其是在4月份最大) ,而在夏季和秋季變化不明顯。利用ndvi均值進行分析,從暖溫帶到亞熱帶到熱帶的變化情況發現,從暖溫帶到亞熱帶ndvi指數形成明顯的階躍,而其它區域沒有太大的變化,同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著,而與降水相關性不顯著或無相關性。
  7. Yueyang is a wettish area of confienental subtropical monsoon with mild climate, plenty of rainfall and four distinct seasons. annually, the average temperature is about 17, the average precipitation is 1387. 93. mm, the average sunlight time is 1680 hours, and the frost - free period lasts 270 days

    岳陽市屬亞熱帶季風濕潤氣候區、氣候溫和、雨量充沛、四季分明,年平均氣溫17左右,多年平均降雨量1387 . 93毫米,年平均日照1680小時,無霜期270天。
  8. For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability

    研究表明,採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積,但經高溫老化后,其儲氧量急劇下降,表現出很差的抗高溫老化性能;採用沉澱法制備的樣品在老化前後,其儲氧量和比表面積降幅最小,有良好的高溫熱穩定性能;採用浸漬法制備的樣品不管老化與否,其儲氧量並不隨著儲氧溫度的改變而大起大落,表現出較好的熱穩定性。
  9. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。
  10. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。
  11. Then it makes a summary of the terrestrial carbon deposition and points out several potential land - origin carbon traces including dam capture, deposition happening in floodplain, estuary and near - shore area, and terrestrial carbon precipitation

    之後對陸地碳沉積機制進行了歸納,指出了包括大壩截留,河漫灘、河口近岸帶沉積及陸地碳沉降等幾種可能的陸源碳蹤跡。
  12. Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades

    摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上,本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式,闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數;總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。
  13. Abstract : according to the base flow separation results from hydrographs in many watershed, the best regression equation expressing the relationship between annual precipitation infiltration coefficient and the weight of different strata area to total area of the watershed is established. the equation can be used to calculate the precipitation infiltration recharge for different ground water basins in which the strata distribution and the precipitation are given. the precipitation recharge is equivalent to the ground water recharge in some mountainous area where the exploitation of ground water resources are far from being sufficient

    文摘:降水入滲補給系數與地層相關分析的目的,是為推求山丘區降水入滲補給量.魯中山丘區是由各種不同地層出露組成的山丘區域.在多個水文流域基流分割基礎上,建立流域年均降水入滲補給系數與各種地層出露面積占流域總面積權重間的最佳回歸方程,利用該回歸方程和地層分佈及降水量推算不同地下水流域的降水入滲補給量.在地下水開發利用不高的山丘區,降水入滲補給量即為地下水補給量
  14. It was well known that the main process of precipitation formation was collecting cloud water in the warm area and ice phase particles melting in the cold area. positive vertical velocity existed between 700hpa and 500hpa in the warm area and near surface in the cold area. wind convergence existed at the height of 700hpa, and divergence existed above and below the height of 700hpa

    通過對降水雲系的綜合研究,建立了河南省春季層狀雲降水概念模型:暖區降水主要通過雲水碰並形成,冷區降水機制以冰粒子融化等冷雲過程為主;暖區700一50ohpa通常有上升氣流,冷區上升氣流分佈在近地面附近: 700沖a存在風場的輻合,其上下則主要是輻散區;水汽主要集中在7o0hpa高度上,暖區水汽來自南、東南方向,冷區水汽以西南輸送為主;暖區位勢不穩定分佈在o 。
  15. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜,其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上,採用人工神經網路技術,結合傳統的統計方法,研究貴州高原上喀斯特流域的枯水徑流規律。
  16. During the little ice age precipitation is little. due to different resolution, every record has difference in detail and also reflects area character

    結合孢粉資料分析,在冷暖氣候變化中本區植被類型變化不大,以落葉闊葉木本植被為主,草本植被為輔。
  17. 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。
  18. Since central yunnan province is on the watersheds of the jinsha river, the zhujiang river, the honghe river, the lancang river, the rivers in this area are short and their flows are small, and further more the area is in low precipitation area of yunnan province, the useable water resources in this area is very limited

    然而,由於處于金沙江、珠江、紅河、瀾滄江的分水嶺上,源短流小,加上本身處于雲南省降雨低值區,滇中地區可利用水資源量十分有限,缺水已嚴重影響了滇中地區社會經濟的可持續發展和河湖的生態環境。
  19. Rainfall and vertical profile of hydrometers are retrieved for land and ocean using tmi 1b11 data. the comparison of retrievals of gprof v6. 1 and v6. 2 with ground - based radar and gauge data on land and pr data on ocean show that the gprof - v6 algorithm can retrieve rain intensity much well and indicate vertical distribution of hydrometers mainly. as far as retrieved precipitation area, it is better for convective precipitation type than stratified precipitation type

    將陸地的反演結果與地基雷達資料和地面雨量計資料進行比較,海洋的反演結果結合trmmpr的降水產品進行比較,結果表明: gprof - v6演算法反演的降水產品可以較好地反映降水強度並反映降水的主要垂直結構;在落區方面,對流降水反映較好,層雲降水則較差;雲-輻射數據集的擴充與改進可提高反演精度。
  20. The result shows : 1 ) si precipitation threshold is different for different precipitation cases, which indicate the increasing tendency when the precipitation area increases and while the top tb at 85. 5 ghz decreases

    結果表明: 1 ) si降水閾值因降水個例而異,其隨降水面積增大而增大而隨雲頂溫度升高而降低。
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