drainage basin 中文意思是什麼

drainage basin 解釋
（河流的）流域。

  • drainage : n. 1. 排水，放水；排水法；逐漸流出。2. 下水道；排水設備，排水系統。3. 水系，排水區域，流域。4. 陰溝水，（排出的）污水。5. 【醫學】引流，導液（法）。
  • 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. A scientist measured rainfall and discharge in the seine drainage basin for a period of three years.

    有一個科學家測量了塞納河流域盆地三年內的降雨量和流量。
  2. Systems analysis the man - water relationship of the drainage basin

    流域人水關系的系統分析
  3. Rock and soil mechanics problems in flood - waterlogging prevention of yangtze river drainage basin

    洪澇災害防禦中的巖土力學問題
  4. Mineral composition and chemical characteristics of albic soils in jianghuai drainage basin

    江淮流域白漿化土壤的礦物組成與化學特性的研究
  5. Pasture resources and ecological protection in qinghai lake drainage basin and surrounding areas

    青海湖流域及周邊地區的草地資源與生態保護
  6. Enlightenment of governance mechanism of water pollution for drainage basin in developed countries

    發達國家的流域水污染公共治理機制及其啟示
  7. The iwrm in the yangtze drainage basin is a scientific issue with multi - disciplinary characteristics

    長江流域水資源綜合管理是一個多學科的研究課題。
  8. A report on the model of integrated control and management of small drainage basin in pengyang county ningxia

    寧夏彭陽縣小流域綜合治理與管理模式研究
  9. Modeling the relationship between hexi inner continental river sediment grain - sizes and drainage basin height differences

    河西內陸河現代沉積物粒徑與流域高程關系研究
  10. The forest cover rate of the beijiang river drainage basin is higher. affected by c3 plant, its poc 8 13c value was lighter

    北江流域森林覆蓋率較高，受c _ 3植物影響明顯，故北江水體中poc ~ （ 13 ） c值最輕。
  11. This paper researches on the water and suspension in zhujiang ( pearl ) river and her three branches, sampling in makou hydrological gorge station of xijiang river, hekou hydrological gorge station of beijiang river and boluo hydrological gorge station of dongjiang river. the author calculated the riverine carbon flux and measured the content of different carbon forms and carbon isotope composition. furthermore, the author also studied drainage basin erosion and the influence of vegetation distribution on erosion

    本文以珠江水體、懸浮物為研究對象，通過對西江馬口、北江河口、東江博羅斷面水體取樣，分析水體中不同形態碳含量，測定碳同位素值，並計算了河流碳通量值；還對珠江流域的侵蝕狀況及植被分佈對流域侵蝕的影響進行了探討。
  12. The main conclusions are as follows : the hco3 - ion content of zhujiang river changes notably in one hydrological year, especially in wet season and dry season. as for the content of inorganic carbon, that of the xijiang river is the highest, then the beijiang river, and then the dongjiang river. the xijiang river ' s inorganic carbon source was major from karst process in the drainage basin

    得出如下的結論：珠江水體hco _ 3 ~ -離子含量在一個水文年中發生顯著變化，特別是豐水期與枯水期之間波動幅度較大；無機碳含量西江含量最高，其次是北江，東江最低；西江無機碳主要來源於巖溶作用，由於受河流沖刷效應影響，豐水期hco _ 3 ~ -離子含量升高；東江流域無機碳主要來源於硅酸鹽巖的碳酸鹽風化過程，豐水期hco _ 3 ~ -離子含量無顯著變化；北江無機碳來源於巖溶作用和硅酸鹽巖的碳酸鹽風化過程，受稀釋效應影響，無機碳含量隨水量增加而降低。
  13. This paper analyzes the cause of floods of bao river and hui river drainage basin in suixi and puts forward engineering measures and non - structural measures of flood control

    摘要文章分析了濉溪縣包澮河流域的洪災成因，提出防洪減災的工程措施和非工程措施。
  14. During the planning and designing of hydraulic, communication engineering, there is a lot of work about the design flood calculation of the middle or small drainage basin

    在水利、交通等規劃設計工作中，經常會碰到大量的中小流域設計洪水計算問題。
  15. Poc of zhujiang river was mainly from modern carbon, the content of which was fairly constant in different branches all year round. the erosion of zhujiang river drainage basin is relatively serious, e

    珠江水體中poc以現代碳源為主，其含量在不同支流及全年內相當恆定，全部樣品的現代碳含量超過75 。
  16. This paper is one of the important components of the project " the sustained development on the yellow river drainage basin between humans and environment "

    本論文是河南大學人文地理省級重點學科基金資助項目「黃河流域人地關系可持續發展研究」的一個重要組成部分。
  17. 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。
  18. This study uses quantitative remote sensing method on soil losses which based on 3s technique and supported by gis software to probe into the application of quantitative remote sensing method on soil losses. and according as the equations of soil losses ( a = fkrslcp ) & predicting soil conservation intensity ( y = cp - cp " ) to realize the 3s technique integration on gis platform in study area of longchuan river drainage basin

    本研究採用基於3s技術的水土流失定量遙感方法，以gis軟體為平臺，以龍川江流域為試驗區，依據水土流失方程（ a = fkrslcp ）和防治強度預報方程（ y = cp - cp ' ） ，進行了在以3s技術為支撐的水土流失定量遙感方法的應用探索，實現了在gis平臺上3s的集成。
  19. Therefor, in the light of theory and methods of karst hydrogeomorphology and the knowledge of transformation, balance and variation of matter and energy in karst drainage basin, we can examine stone forest within a specific scope of time and space, and reveal the mechanism and the development model of stone forest with the help of the principle of the mutual response processes among base - level, water flow and forms. just based on the understanding above, the paper, with a special reference to the lunan stone forest which is the best developed one in china, discusses the hydro - geomorphlogical structure of the bajiang river, geomorphological types and spacial distribution feature of the stone forest, and studies the erosion rate on the top of stone forest, soil erosion rate, sub - soil dissolution rate and their combined influences on the evolution of stone forest, furtherly brings forward and demostrates the " tri - level erosion " mechanism for the development of stone forest

    正是基於這種認識，本文以我國石林發育最完美的路南石林為研究對象，研究了巴江喀斯特流域的水文地貌結構特徵、石林的形態類型及其空間分佈特徵；探討了石柱頂部的剝蝕速率（ a ） 、表土剝蝕速率（ s ） 、土下溶蝕強度（ c ）及其組合對石林發育的影響，提出並論證了路南石林發育的「三重剝蝕」機制；通過對石林發育必備條件的剖析，以及對巴江喀斯特流域演變階段的定量研究、水文地貌系統的空間耦合分析，探討了巴江喀斯特流域的演變與路南石林發育間的關系，並結合該流域的演化史，提出了巴江喀斯特流域演變與路南石林發育的模式。
  20. Finishing quantitative remote sensing task on soil losses of 1998 and 1999 in study area. through running the pixel statistical program, we can obtain the results of soil erosion in the drainage basin - the total amount of soil losses of the experimental region were : 4. 84 million tons in 1998 and 8. 69 million tons in 1999 respectively. we also can obtain the results of control areas of soil losses in study area according to soil conservation intensity prediction model : the areas need to administrate was 317. 77 km2 and in dire need of administration was 17. 96 km2 in 1998

    運行像元統計程序可獲得該流域土壤流失結果為： 1998年試驗區土壤流失總量為484 . 01萬噸， 1999年則為869 . 01萬噸；依防治強度預報模型可運算出研究區水土流失防治面積結果： 1998年需要治理的面積為317 . 77平方公里，急需治理的面積為17 . 96平方公里；而1999年需要和急需治理的水蝕面積上升為354 . 45平方公里和18 . 91平方公里。
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