precipitation index 中文意思是什麼

precipitation index 解釋
降水指數
  • 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。
  • index : n （pl es dices ）1 索引。2 指標，標準，標志。3 示[食]指 （＝index finger）。4 指數。5 【印刷】指...
  1. 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。
  2. The connection is also analyzed between the index of horse latitudes and index of east asian monsoon and index of north pacific oscillation, and the summer extreme precipitation over eastern china

    分析了西太平洋副高指數、東亞季風指數、北太平洋濤動指數的與我國東部夏季極端降水量的關系。
  3. 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。
  4. The calculation results show that the method designed is quite satisfactory. the models can reproduce the annual precipitation sequence and monthly precipitation sequence. and then the regional aridity index can be estimated statistically, in addition, they can reproduce the characteristic of history precipitation series

    這兩類模型分別用於生成模擬年降雨量序列和月降雨量序列作為地區乾旱指標序列，從而對所研究地區乾旱特徵量的統計特性進行估計，並對已發生的地區乾旱的重現期進行識別。
  5. 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。
  6. 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。
  7. Heavy precipitation often forms in the place between the source of high - disturbance wind field at 200hpa, especially of low - disturbance wind field at 850hpa. ( 2 ) the temporal and spatial scale about e - reflection index of nonlinear subcritical symmetric instability disturbance is 5 - 8hours and 200 - 300km respectively

    非線性亞臨界對稱不穩定使線性對稱穩定的大氣變為不穩定。降水區和暴雨中心主要位於高層200hpa和中層500hpa擾動風場極大值南側與低層850hpa擾動風場極大值北側之間。
  8. From climate index, ecotone between agriculture and animal husbandry aridity ranges from 1. 0 to 2. 0, more year average precipitation in ecotone between agriculture and animal husbandry ranges from 250mm to 450mm

    在氣候指標上，與乾燥度為1 . 0 2 . 0范圍，多年的平均降水量范圍為250 450mm大體一致。 2整個農牧交錯帶的土地利用特點。
  9. The kinetics of homogeneous precipitation was studied, the activation energy was about 100. 19kj / mol, and reaction index was 1. 42

    經穩定態假設處理后，得到沉澱反應的表觀活化能為100 . 19kj mol ，硝酸鈷的反應級數為1 . 42 。
  10. The correlativity between theoretical value and the actual value of soil moisture content in 93. 3 percent of observational stations is distinct. all this shows that calculational methods of zndx is more reason for studing the flood or drought of northwest chine. ( 2 ) index _ z and index _ k ca n ' t objectively remark extent of drought and flood event. both ca n ' t distinguish the difference of some years which have the same precipitation and have different temperature, awc

    西北地區10個代表站三種指數值的對比表明， z指數與k指數僅反映西北地區同期的降水，而zndx指數不僅反映了同期降水狀況，且與同期氣溫及前期氣候濕潤度有關。 （ 2 ）通過z 、 k與zndx指數對西北地區旱澇等級的對比研究表明， z指數與k指數對西北地區旱澇等級的確定不具有客觀性。
  11. The results indicate that : only with a few rain gauges to adjust the radar estimated rainfall, authors could simulate the runoff as good as that from rain - gauge - network - measured rainfall ; the accuracy of radar rainfall estimation to heavy rain acts as a more important role than that of light rain ; the estimation error of amount precipitation over a period can be treated as an index for runoff simulation ability

    在1500小時時間序列的比較試驗表明，雷達估測面雨量和雨量計測量的面雨量都能較好地模擬每小時流域出口蔣集的出流量，數值試驗還表明，雷達估測面雨量在某一時段上的均值誤差作為一個指標可以較好地反映其應用於降水徑流模擬時的精度總雨量和強降水的估測精度是雷達估測面雨量能否用於徑流模擬的關鍵。
  12. Antecedent precipitation index

    前期降水指數
  13. Extreme precipitation index tend to decrease marked in beijing area, but increase marked in sichuan - basin and leizhou - peninsula

    極端降水指數在北京地區減少非常顯著，在四川盆地和雷州半島則有較明顯的增長。
  14. This paper proposes the indexes for the climatic division and suitability of tobacco growth in yunnan according to the regional climatic characteristics : heat resource as primary index while precipitation and sunshine duration as secondary indexes

    摘要根據雲南烤煙氣候特點，提出了判別雲南烤煙氣候類型及其適宜性的指標：熱量為一級指標，降水和光照為二級指標。
  15. By using data of index of subtropical high between 1951 and 2000, we discovery that it has 3. 5 and 2. 5 year oscillation, it accords with precipitation oscillation and show that it is principle effect of precipitation. analysis of vorticity and divergence show that subtropical high affect precipitation, drought and flood by 500 & 700hpa vorticity and 850hpa divergence. vorticity and energy index of subtropical high are sign of chinese precipitation, drought and flood

    利用1951年至2000年副高特徵指數及渦度、散度、水氣通量散度物理量，小波分析發現，西太平洋副高面積和強度有3 . 5年周期，北界指數有2 . 5年和5年周期，這和中國降水、旱澇變化趨勢一致，說明副高是影響降水主要因素之一。
  16. The precipitation and evaporation data at 12 observational stations from 1958 to 2003 were used to calculate the spring drought index, the criterion of spring drought and the spring drought index series were set up, the spatial and temporal features, yearly and decadal climate variability of the indexes of the loess plateau in gansu province were analyzed

    摘要利用甘肅省甘肅黃土高原地區12個代表站1958 ~ 2003年春季3 ~ 5月逐候降水、蒸發資料，建立了該地區早春旱和晚春旱指數序列，確定了春旱等級標準，進一步分析了春旱的時空分佈特徵及其年際（年代際）變化規律。
  17. 2 ) because the si mainly reflect the information of ice layer above the precipitation, si > = 60k is a good index of strong convective precipitation

    2 ）由於si主要對應的是降水層上部冰晶層， si與強對流性降水有很好的相關， si ? 60是一個好的暴雨指標。
  18. The results show that the correlations between e1 nino and the temperature and precipitation in heilongjiang province have multi - time scale characteristics ; ( 1 ) the correlations between sst in nino3 and temperature in heilongjiang province are negative as a whole, but their correlations are evidently different according to different time scales ; the correlations between the temperature and southern oscillation index ( soi ) are positive in annual - scale periodic changes and negative in decades periodic changes

    結果表明，厄爾尼諾事件與黑龍江省氣溫和降水之間的相關具有多時間尺度的特徵；黑龍江省的氣溫與nino3區海溫總體上表現為負相關關系，但是對于不同時間尺度，兩者的相關關系又有明顯的差異；與南方濤動指數在年際尺度周期上表現為正相關，年代際尺度周期上表現為負相關關系。
  19. In part three, according to the viewpoint of system, giving consideration to all kinds of condition of forming hillslope debris flow, taking five indexes as follow : the shape index of ditch, the mean value of greatest precipitation within 24 hours, the developing degree of unstable mass, the mean depth of loose " accumulated clay and the rate of plant cover, applying fuzzy mathematics, the paper designs a suit of scheme about judging hillslope data

    第三部分，依據系統的觀點，全面兼顧了山坡泥石流形成的各種條件，選取溝谷縱剖面形態指數、最大24小時暴雨均值、不良地質體發育程度、鬆散堆積層平均厚度和植被覆蓋率五個指標，運用模糊數學方法在室內設計出一套山坡泥石流溝與非泥石流溝的判定方案。然後以野外實例數據進行檢驗，結果表明本方案分辯率較高，為84 . 6 ，且偏於安全一側。
分享友人
分享到 Line

分享到臉書