index basin 中文意思是什麼

index basin 解釋
參證流域
  • 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...
  • basin : n 1 臉盆;水盆。2 滿盆,(一)盆。3 盆地,流域。4 水坑,地塘;(港灣)深度;內灣,小灣;【造船】...
  1. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河流域加密觀測試驗hubex iop期間的資料,進行淮河流域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和試驗觀測值進行了對比,為淮河流域能量和水循環的數值模擬提供了物理依據。
  2. 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。
  3. Generalized index system of water resource evaluation for river basin

    流域水資源評價廣義指標體系研究
  4. The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment, biology and human of ecosystem respectively, and adopts the indices of catchment area, population density, inflow amount, period of river flow cut - off, water quality, biodiversity index number and biomass to evaluate the state of estuarine ecosystem

    指標體系綜合考慮河口生態系統對全流域及入類生活的影響,分別從生態系統的環境部分、生物部分以及對人類的影響等3方面,採用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。
  5. This paper is carrying out based on the chemical materials of huanhe group of cretaceous system of erdos basin, carrying on relativity analysis about tds and three major anion percentage of meq ( milligram equivalent ), taking cluster analyses on tds and the three anion percentage of meq, the trend analysis of the percentage of the number of fresh water and the total water with the increases of anion percentage of meq, classifies the new index, divide the groundwater into three kinds according to percentage of meq of three major anion finally defining new groundwater water chemistry : definitely bicarbonate type, relativity bicarbonate type and non - bicarbonate types, point out that the possibilities of fresh water reduce in proper order of these kinds

    鄂爾多斯地下水勘查是國家重大的地質調查項目,在地下水水化學研究的幾次大型討論會議上,專家們一致認識到,能不能利用鄂爾多斯盆地地下水勘查項目中的大量地下水水質分析資料,探索出一種新的水化學類型劃分方法,對舒卡列夫分類中的25毫克當量百分數的分類界限加以重新考慮,而找出一個與淡水密切相關的x作為分類界限。本文就是以鄂爾多斯自流水盆地白堊系保安群環河組地下水水化學資料為基礎而開展相關研究的。
  6. In order to understand such a process in ying - qiong basin clearly to serve well for oil and gas exploration and development, in the paper, the expression of the thermal fluid flow in trace markers as seismic response, geochemical index and fluid inclusion is stated, thus tracing out the thermal fluid flow in ying - qiong basin ; and the paths and direction of hydrocarbon migration and accumulation in the dynamic balance between accumulation and dispersion are pointed out by use of various trace markers of the thermal fluid flow which is taken as hydrocarbon carrier

    為了清楚地認識鶯一瓊盆地中的這一過程,更好地服務于油氣的勘探和開發,本文闡述了熱流體活動在地震響應、地化指標、流體包裹體等示蹤標志上的表現,進而追蹤鶯瓊盆地中的熱流體活動,並指出作為油氣載體的熱流體的各種示蹤標志,在油氣運聚動平衡過程中指示了油氣運聚發生的路徑和方向。
  7. Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting

    Modis數據因其優越的空間解析度、波譜解析度,已被廣泛的運用於各個領域,在積雪監測方面,已成功地運用歸一化差分雪蓋指數( ndsi )製作每天的全球雪蓋分布圖, ndsi是基於雪對可見光與近紅外波段的反射特性和反射差相對大小的一種測量方法,然而它只能將一個像元辨別為積雪或非積雪,滿足不了高精度應用要求。
  8. 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。
  9. Discussion on index system for evaluation of river basin flood control systems

    流域防洪系統調度的評價指標體系探討
  10. By studying the lithologjcal and mineral parameters ( pebbled elastics percent ratio, clastic maturation index, heavy crop stability factor ) of mesozoic sedimentary strata, the result shows that the northern boundary of present basin is near to the boundary of original basin and the moving distance of elastics is short, but the southern boundary of present basin is far from the boundary of original basin and the moving distance of elastics is long. the fades of northern basin are mainly delta fades and the fades of middle and southern basin are lacustrine fades

    通過對盆地中生代沉積地層中各種巖礦參數(碎屑巖含礫百分比、碎屑成熟度指數和重礦物穩定系數)分析和綜合研究認為,今盆地北部距離原始盆地沉積邊界較近,碎屑物搬運距離較短;南部距離盆地古沉積邊界較遠,沉積物搬運距離較遠;中生代盆地北部主要為三角洲沉積相,中南部為湖泊相沉積。
  11. This paper introduces the half peak width method ( ki index ) which is widely used in the or1d to analyze the permo - carboniferous sample from budate group in geier sag in hailaer basin and northern songliao basin

    引入國際通行的半峰寬法( ki指數法) ,對海拉爾盆地貝爾凹陷布達特群和松遼盆地北部石炭二疊系的樣品進行了分析。
  12. In part four, taking wuwei oasis as a case study, the author uses gis to get landscape map and data, and calculates pattern index by means of stat - analysis software. the results show that the unique water and soil conditions in shiyanghe river drainage basin determine that wuwei oasis is an optimal region for farming. wuwei has grown into a steady manmade oasis after an exploitation of more than two thousand years ; at the same time human exploitation range gradually expands outwards

    利用gis軟體進行景觀制圖並獲取數據,並藉助統計分析軟體進行了格局指標的計算,結果顯示:石羊河流域特有的水土條件決定了流域中部盆地的武威綠洲最適宜於農耕生產,經過兩干多年的開發過程,在這里逐漸形成了穩定的人工綠洲的同時,人類對該區域水土資源的開發利用不斷向外擴展。
  13. The index system was applied on the evaluation of the main estuarine ecosystem restoration in haihe river basin

    指標體系在海河流域主要河口生態恢復評價中得到應用。
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