坡面侵蝕 的英文怎麼說

中文拼音 [miànqīnshí]
坡面侵蝕 英文
slope erosion
  • : Ⅰ名詞(地面傾斜的地方) slope Ⅱ形容詞(傾斜) sloping; slanting
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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
  1. On the formation mechanism, the rills were mainly formed by the concentrated action of the runoff on dyke slope, while the formation of socket mainly depended on surface runoff, subsurface flow and the existing defects within the dykes such as crack, mouse hole, fox and brocks dens

    在成因上,前者主要是降雨形成超滲地徑流的集中對戧作用而形成;後者主要與徑流、壤中流,以及土堤的薄弱點(如裂縫、鼠洞、狐1一灌洞等)有關。
  2. The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment

    結果表明: ree示蹤技術對定量研究土壤具有較高的精度;降雨前期,片與細溝發育程度基本相當;後期細溝占據坡面侵蝕的主導地位,其平均加速度和平均率分別是片的15倍、 9倍;試驗結束,細溝占據的90 % ;本試驗條件下,下1 / 3區域為活躍帶。
  3. 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,泥沙在復雜以及不同流域尺度間的分散、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。
  4. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括: ( 1 )巫溪縣生態退化特徵表現:作為生物生長基質的部分土壤薄而貧瘠,保水保肥能力差,部分地區基巖裸露,土壤的不斷退化導致植物種多樣性減少,植物種群結構逐步由復雜趨向簡單化;縣內水土流失的類型主要包括和溝兩大類,據調查,積占積的80左右,其中耕地佔耕地積的70左右。
  5. 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產沙的主要下墊因素之一,其量化參數一般繼承地貌特徵量化方法(如度、長因子)而採用平均度、平均長及溝壑密度等參數,這些參數僅是對流域地貌形態的概化和單因子表達,沒有真正反映流域地貌形態復雜的本質特徵和相互聯系。
  6. Experimental study on upslope runoff effects on ephemeral gully erosion processes at loessial hillslope

    黃土匯流匯沙對淺溝影響的試驗研究
  7. The region of flow produce is loose embankment and the flat roof, the gully erosion chain is the main cause of the sediment yield increase

    棄土場內主要的產流區域為鬆散邊和平臺,鏈是造成區域內產沙量增加的主要原因。
  8. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、、細溝、淺溝、沉陷、砂礫化、土砂瀉溜和泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水影響因子進行定量研究,確定了徑流和土壤水的主要影響因子及其臨界值,建立了產流產沙的經驗模型。
  9. To discuss the natural vulnerability of different coasts to future sea - level rise, the paper selects the coasts along the pearl river mouth as the studied area. after analyzing the impacting factors of natural vulnerability along the pearl river mouth, the paper divides the coastline of approximately 412km into 25 15 - minute gird cells. for assessment purposes, the six variables including geography, relative sea - level change, average tide range, regional slope, shoreline erosion or accretion rates and tropic cyclone impacting frequency are selected as assessed variables

    為了探討不同海岸帶對未來海平上升的自然脆弱性,本文以珠江口沿岸作為研究個案,在分析珠江口沿岸自然脆弱性的影響因子的基礎上,把珠江口沿岸412km岸線劃分為25個15 15的網格單元,選取了地質、海平上升率、平均潮差、區域海岸度、海岸/堆積率、熱帶氣旋影響頻率6個評價指標,應用cvi指數評價公式對珠江口地區進行海岸脆弱性評價,並建立海岸脆弱性評價數據庫,繪制了珠江口沿岸1 : 2 , 000 , 000的數字化cvi圖。
  10. With the same slope gradient and slope length, the soil erosion on the dyke slope caused by the runoff mainly depended on the factors such as the runoff, flow velocity, rainfall intensity, rainfall duration, as well as the up - slope drainage area of dyke slope

    度、長一定時,徑流對戧主要與徑流量、流速、雨強、降雨歷時,戧以上匯聚水量或集水積有關。
  11. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於並傾向于河谷、在自重應力帶中近於直立;根據原始地遭剝的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性盆地和河流的展布方向基本平行,根據原始地遭剝的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。
  12. Article 22 in a water - eroded region, by taking a small river basin comprising the natural ravines and flanking hill slopes as a unit, a comprehensive system for the prevention and control of soil erosion shall be set up on the basis of overall planning and comprehensive rehabilitation

    第二十二條在水力地區,應當以天然溝壑及其兩側山地形成的小流域為單元,實行全規劃,綜合治理,建立水土流失綜合防治體系。
  13. Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study

    本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過形實地測量、密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗,研究了土壤對土壤碳和養分的影響途徑和表現,作用影響下土壤碳和養分在微地形空間的分佈規律;同時,在地理信息系統的支持下,建立了條件下的土壤碳和養分變化模型,模擬了對土壤碳和養分影響的空間過程,預測了影響下土壤碳和養分的年變化及多年變化,並通過研究建立的模型對不同控制措施進行了初步的效益評價。
  14. The hillslope erosion processes include soil separation, sediment transport and sediment precipitate, which these three process result from the rainfall splash erosion and runoff erosion. to study and analyze the happening and developing conditions of hydraulic, soil and terrain, and the mechanisms of transitions and influences of these processes each other is the prerequisite to set up physical model of soil erosion

    坡面侵蝕過程包括降雨濺擊和徑流沖刷引起的土壤分離、泥沙輸移和沉積3大過程,研究和分析這些過程發生、發展的水力、土壤、地形條件以及各過程間相互轉化、相互影響的機理,是建立土壤物理模型的前提條件。
  15. 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

    本文依據流域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,對流域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、流域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年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究,為實現從單坡面侵蝕產沙模擬、預報向流域產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法,為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  16. By placing different rare earth elements ( ree ) in different soil depth and different section across one slope in an indoor plot, one simulated rainfall was applied to study the spatial - temporal process both of depth and section erosion across one slope plot simultaneously

    摘要室內交叉布設不同的稀土氧化物,通過人工模擬次降雨,在同一試驗條件下,對坡面侵蝕沿順方向和深度方向的演變過程同時展開研究。
  17. On the other hand, the contributions of interrill and rill erosion to the total erosion are 35 % and 65 % respectively, and their spatial distribution characters are different form each other

    其中細溝間和細溝坡面侵蝕的貢獻分別為35 %和65 % ,且在空間發生特徵上具有此消彼長的關系。
  18. Theoretical analysis on direction of rain and rainfall corrosion of critical slope

    降雨方向與坡面侵蝕臨界度的理論分析
  19. On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched

    本文在查閱了大量國內外文獻資料,全了解了流水動力學特性及坡面侵蝕動力過程等方的研究現狀及最新進展的基礎上,以揭示雨滴打擊動能對薄層水流水動力學特性及坡面侵蝕的影響為目標,採用水槽放水試驗和定雨強模擬試驗相結合的方法,運用水動力學與理論,研究了降雨對薄層水流流速的影響,雨滴打擊強度對薄層水流流速、水深、流態、阻力等水動力學參數的影響,雨滴擊濺作用對流泥沙含量的影響。
  20. The aim of this research was to confirm the rule of soil crusting and the factors affecting the process of soil crusting, and to analyze the relationship between the development of soil crust and rainfall splash erosion, furthermore to study the effect of soil crust on the process of erosion. we hope to provide scientific bases for soil erosion

    本研究的主要目的是探明表土結皮的發育規律、影響因子,並且分析表土結皮的形成與土壤濺的關系,以及表土結皮的發育與坡面侵蝕過程的交互動態影響作用,最終為坡面侵蝕研究提供科學依據。
分享友人