流域侵蝕 的英文怎麼說

中文拼音 [liúqīnshí]
流域侵蝕 英文
basin erosion
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • : Ⅰ動詞(侵入) invade; intrude into; infringe upon Ⅱ形容詞(接近) approaching Ⅲ名詞(姓氏) a surname
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  • 流域 : [水文] watershed; basin; drainage area; catchpit; catchment area; drainage basin; feeding ground;...
  1. This paper firstly reviews two different kinds of terrestrial erosion ( the mechanical and chemical weathering mechanisms ), discusses their respective roles in providing carbon to the river, and compares the differences between the monsoon and non - monsoon drainage basins in flux and the characteristic of the riverine carbon transport

    首先就機械和化學風化兩種不同的陸地機制在提供河碳源方面所發揮的不同作用作了詳細論述,並比較了季風和非季風間河碳輸移在通量及性質上的差異。
  2. 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,並計算了河碳通量值;還對珠江狀況及植被分佈對流域侵蝕的影響進行了探討。
  3. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃土高原地區的溝沿線、溝沿線上下溝間地和溝谷地土壤特徵、小泥沙來源、坡溝產沙關系的基礎上,結合廊道的生態功能和以往的研究結果,認為在溝沿線的上部建立草灌與整地工程措施相結合的植物廊道,來攔蓄阻截溝間地的來水來沙,可使的土壤量減少54 . 5 % ~ 77 . 0 % 。
  4. Calculation of basin soil erosion load based on fuzzy theory

    基於模糊理論的土壤量計算
  5. Study on automatic measuring system of basin soil erosion and runoff process

    土壤及徑過程自動測量系統研究
  6. On the base of summarizing and evaluating chinese soil erosion models, this paper brings forward future developing directions that the soil erosion models should pay attention to : ( 1 ) paying attention to the theory researches of soil erosion models, consummating from erosion factors basis erosion prediction to erosion processes quantity and theory researches, studying each erosion factor and its interaction impact on erosion processes, and sediment dispersion, transportation and deposition action on complex slopeland, as well as different catchments scales ; ( 2 ) reinforcing the study of gravitation erosion and cave erosion mechanism, and big and middle scale catchments erosion models ; and ( 3 ) making the best of advanced rs and gis technology, providing plentiful datum for erosion models researches, making and for soil erosion models checkout

    在總結和評價中國土壤模型的基礎上,提出了今後土壤模型應該注重的發展方向: ( 1 )注重土壤模型的理論研究,將從以因子為基礎的預報向過程的量化研究和理論完善,研究各因子及其交互作用對過程的影響,泥沙在復雜坡面以及不同尺度間的分散、輸移和沉積作用; ( 2 )加強對重力、洞穴機制的研究,加強對大中流域侵蝕模型的研究; ( 3 )充分利用先進的rs 、 gis技術,為模型的研究提供大量的數據源,以利於對土壤模型的檢驗。
  7. The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed. the quantitative parameters of small watershed topographic feature are average watershed slope, average slope length, gully density and so on, which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature, which are complex

    地貌形態是影響小流域侵蝕產沙的主要下墊面因素之一,其量化參數一般繼承坡面地貌特徵量化方法(如坡度、坡長因子)而採用平均坡度、平均坡長及溝壑密度等參數,這些參數僅是對地貌形態的概化和單因子表達,沒有真正反映地貌形態復雜的本質特徵和相互聯系。
  8. Sediment sources and effects of vegetation on erosion control in the gully - hilly loess area in north china

    黃土區小流域侵蝕泥沙來源與植被防止作用研究
  9. Soil erosion and nutrient losses in jiangjiatang watershed in lanxi city in zhejiang province during exploitation was studied from 1993 - 2000 using adoptive research methods such as runoff plot, catchment area, and rare earth element tracer ( eu ), and the soil fertility index appraisal. the major conclusions are as follow : 1. the principle of water and soil losses together with nutrients and the forms in which they were lost were studied under different fanning systems in runoff plot

    本研究選擇浙江省中部金衢盆地邊緣蘭溪市水土保持監督站蔣家塘小為研究試驗點,以協作單位蘭溪市水土保持監督站小開發試驗區為基礎,採用坡面徑小區法、單源匯水試驗區出口實測法、穩定性核素- eu土芯示蹤法研究了2000年坡耕地不同農作措施水土失規律及養分失規律和小綜合開發過程中水土失規律及養分失規律,並對小流域侵蝕土壤的肥力現狀進行評價。
  10. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據地貌形態所具有的顯著分形特徵,從模擬實驗出發,利用分形理論和方法,結合高精度攝影測量和gis技術,對模型產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、模型產沙與地貌形態耦合關系進行了深入研究,並以具有11年降雨泥沙徑觀測資料的岔巴溝為例進行了驗證研究,為實現從單坡面產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法,為黃土高原小水土失綜合治理提供了科學實踐依據。
  11. Choice of prototype in modeling the soil erosion in yangdaogou watershed

    羊道溝流域侵蝕產沙模型原型選定問題
  12. Regional variation features of sediment yield intensity in the wei river basin

    渭河流域侵蝕產沙強度的區分異特徵
  13. A study on features of erosion and sediment yiesd in systematically controlled small catchment

    治理小流域侵蝕產沙特徵研究
  14. Effect of human activities and precipitation on sediment yield of the jialingjiang river

    人類活動和降水變化對嘉陵江流域侵蝕產沙的影響
  15. Effects of spatial scaling on the runoff - sediment - yielding of the purple soil region in sichuan

    四川紫色土地區流域侵蝕產沙空間的尺度效應初探
  16. A primary discussion of soil erosion and sediment yield models of small watershed in lizikou of jialingjiang river

    嘉陵江李子口小流域侵蝕產沙模型初探
  17. Soil erosion and sediment yield models based on the networks of runoff and sediment transport between plots in small basins in the hilly loess region

    基於地塊間水沙運移的黃土丘陵溝壑區小流域侵蝕產沙模型
  18. Water is always the main factor not only during the course of soil eroding but also during the process of non - point source pollution moving. so hydrological process of watershed is the central problem in the study of soil erosion and non - point source pollution with watershed in scale

    無論在流域侵蝕產沙過程中,還是在非點源污染運移過程中,水都是主要因素,所以在以為尺度進行土壤研究和非點源污染研究時,的水文過程是研究的主要問題。
  19. Fourthly, critical value of erosive modulus, which may cause soil carbon and nutrient changing, has been taken. the results of simulation showed that different soil nutrient element ( c, n, p, k ) have different soil acceptable erosive modulus in different land use types. for example, in this study, the critical value for nitrogen is located in the range of 1500 - 2000t / km2for forest land, 2000 - 2500 t / km2 for tillage land, 2500 - 3000 t / km2 for garden land, and 1000 - 1500 t / km2

    四、得到了引起土壤碳和養分發生變化的性模數閥值:通過對地塊土壤模數、碳和養分含量變化的計算,得到了不同利用類型中不同元素含量出現下降的最低模數閥值,如耕地全氮為2000一2500噸,果園全氮為3000一3500噸,林地全氮為1000一1500噸,草地全氮為1000 - 1500噸,從而為流域侵蝕治理規劃和生態環境建設提供了科學依據。
  20. 5. based on the forecasting flow from the real - time forecasting model mentioned above, this thesis tentatively set up the coupling model of rainfall and suspended sediment to serve the water quality control and water supply

    通過對流域侵蝕產沙輸沙影響因素的分析,在預報量的基礎上,嘗試性地建立降雨含沙量過程的耦合模型,以保證供水水質。
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