drainage river basin 中文意思是什麼

drainage river basin 解釋
河川硫
  • 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）。
  • river : n 1 河，江。 Rriver Thames 或 the R Thames 泰晤士河； the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  • 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. 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
  2. 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
  3. 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。
  4. Some particular measures to be taken are as the followings : ( 1 ) to establish a uniform harmony mechanism in the river basin in order to have a general plan for wetland protection and utilization ; ( 2 ) to combine the existing protection districts according to lake drainage area and species distribution, and to construct new wetland protection region in order to solve problems in management districts ; ( 3 ) to develop wetland restoration and reconstruction ; ( 4 ) to carry out reforesting in formerly cultivated land and to construct shelter forest of the yangtze river in order to control soil erosion and to preserve the water resource ; ( 5 ) to protect and utilize reasonably the wetland resources in the middle and lower reaches of the yangtze river ; ( 6 ) to strengthen the research of wetland science

    具體可採取以下措施：在流域內建立統一協調機制，對流域濕地進行保護與合理利用，合理布局，統一規劃；按湖泊流域和物種分佈整合現有保護區，建立新的濕地保護區，解決目前管理上的制約問題；大力開展濕地修復重建；推進退耕還林、長江防護林等工程建設，發揮森林治理水土流失、涵養水源的作用；在保護的前提下科學合理地利用長江中下游濕地資源，開拓新的生產力；同時加強濕地科學研究。
  5. 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。
  6. Simulation of storm flood basing on deriving drainage networks from grid dem and 2 - d hybrid approach in shalan river basin

    的沙蘭河流域河網提取及局地暴雨洪水模擬
  7. 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。
  8. 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。
  9. Speaking at a ceremony to mark the completion of works on the main drainage channels for river indus, river beas and river sutlej, the director of territory development, mr wong hung - kin, said today ( september 17 ) that the works for these three rivers in the river indus basin were sizable and entailed the straightening and widening of some 9km of existing meandering rivers with raised river embankments. the works also included the re - provisioning of existing facilities that were affected by the projects such as the reconstruction of 12 river - crossing bridges

    拓展署署長黃鴻堅今日（九月十七日）在梧桐河、雙魚河及石上河主要排水道工程竣工典禮上致辭時表示，整項梧桐河盆地的治河工程涉及上述三條位於新界北區的主要河道，規模龐大，新河道總長約9公里，將原來迂迴曲折的河道拉直及擴闊，並且將河堤加高及重置受工程影響的原有設施，包括12條過河橋梁。
  10. 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 。
  11. 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。
  12. 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。
  13. 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。
  14. In the first place, the study processed data of remote sensing and non - remote sensing to be digital, vector, raster and imagery geocode, established geographic database of soil erosion, and calculated elements " pixel maps of soil erosion. secondly, by using model builder of arcview to establish dynamic survey model of soil losses in longchuan river drainage basin. at last, to obtain maps of status & the forecast maps for soil conservation

    首先通過遙感與非遙感資料的數字化、矢柵化及圖形圖像地理配準，建立了水土流失地理數據庫，並運算出水土流失各因子像元圖；在此基礎上，憑借arcview子模塊modelbuilder的支撐，建立龍川江流域水土流失動態監測模型；最後運行該模型獲取水土流失現狀圖和防治預報圖等結果圖件，完成了研究區1998 、 1999年水土流失定量遙感監測任務。
  15. So a new method ? scale analysis method ( or called fractal analysis method ) is applied to study the flood of jialing river basin. the scaling hypotheses is applied to the relationship of annual maximum flood and drainage area. and basing on the scaling lognormal model with two parameters introduced by smith, a lognormal model with three parameters of flood is introduced to represent the scale effect of drainage area in annual flood peak distributions

    在洪水區域分析中一般採用洪水指標法，但該法的基本假定與實際情況存在矛盾，因此本文採用一種新的分析方法? ?標度分析法（或稱為分形分析法）來研究洪峰的區域變化，將標度不變性引入年最大洪峰流量? ?匯流面積關系中，並將其用於嘉陵江流域的洪水，另外，本文在smith提出的具有標度性質的二參數對數正態分佈模型基礎上創造性地提出了三參數對數正態分佈模型來表徵年最大洪峰流量分佈中匯流面積的尺度影響。
  16. First, choosing the conventional data of the heavy rain case that occurred in the yangtze river drainage basin on july 29th, 1998 and putting it into the assimilation system to study the assimilation effect

    該研究是用一個個例進行對比分析，我們選用1998年7月29日00時至30日00時發生於長江流域的一次暴雨過程。
  17. Yangtze river is the longest river ( 6300lcm ) in china, and it has the largest drainage basin area ( l. 8 10 km2 ). yangtze river economy zone has important function in the sustainable development of china

    長江是中國長度最長（ 6300km ） 、流域面積最大（ 180萬km ~ 2 ）的一條河流，長江經濟帶在全國的可持續發展中具有至關重要的作用。
  18. Research progress of interactive influence and thresholds of geographic environmental elements on sediment yield of drainage basins in the middle reaches of the yellow river basin

    黃河中游侵蝕產沙環境要素臨界與交互作用研究進展
  19. 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。
  20. On the basis of raster digital elevation model ( dem ) data over the laohahe river catchment in the upper and west area of the liaohe basin within inner mongolia autonomous region, the digital elevation drainage network model ( dednm ) is applied for assigning flow - vector directions over flat and depressional areas of the dem, for identifying stream network and watershed divides, and for establishing spatial topological structure of subcatchments and stream network

    基於遼河水系老哈河流域柵格數字高程模型（ dem ）數據，採用數字流域水系模型（ dednm ） 、河流工具rivertools 、地理信息系統arcview軟體，根據地形提取水系信息，構建數字流域水系、子流域與河網的空間拓撲關系。
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