坡地侵蝕 的英文怎麼說

中文拼音 [deqīnshí]
坡地侵蝕 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
  • 坡地 : hillside fields; sloping fields; land on the slopes
  1. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時,土壤是農業生產的根本,治理水土流失的關鍵是要保住土壤,而土壤養分絕大部分是隨著泥沙流失的,嚴重的水土流失造成土層淺簿、養分貧瘠,土質量退化,產量下降,對三峽庫區移民工作和農業可持續發展造成嚴重威脅,制約三峽庫區經濟發展。因此進行三峽庫區土壤機理研究,探索減輕土壤流失的方法措施,具有全局性的重大意義。
  2. 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面徑流的集中對戧作用而形成;後者主要與面徑流、壤中流,以及土堤的薄弱點(如裂縫、鼠洞、狐1一灌洞等)有關。
  3. 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;後期細溝占據的主導位,其平均加速度和平均率分別是片的15倍、 9倍;試驗結束,細溝占據面總的90 % ;本試驗條件下,面下1 / 3區域為活躍帶。
  4. 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區的溝沿線、溝沿線上下溝間和溝谷土壤特徵、小流域泥沙來源、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工程措施相結合的植物廊道,來攔蓄阻截溝間的來水來沙,可使流域的土壤量減少54 . 5 % ~ 77 . 0 % 。
  5. Capacity analysis on the reconstruction of various agriculture eco - system in the erosion areas

    重建幾種不同農業生態系統功能分析
  6. 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面和溝兩大類,據調查,面面積占總面積的80左右,其中佔耕面積的70左右。
  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

    貌形態是影響小流域產沙的主要下墊面因素之一,其量化參數一般繼承貌特徵量化方法(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貌形態的概化和單因子表達,沒有真正反映流域貌形態復雜的本質特徵和相互聯系。
  8. Generally the rainfall on steeplands may be no more erosive than that on nearby lowlands, the resulting runoff and eroded sediments will move much more quickly on steep slopes, and will provoke more severe rill and gully erosion ( source : fao soils bulletin 75 )

    通常的降雨比附近的低更嚴重,這樣的流失物和的沉積物移動更快,引起河流
  9. 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

    確定南排土場原貌的水模數為3700 4400t km ~ 2 ? a ;在排土場新造貌上,擊濺、面、細溝、淺溝、沉陷、砂礫化面、土砂瀉溜和面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。
  10. The results indicate that the spatial pattern of soil erosion is related to the slope land shape. it has clear vertical and horizontal distribution features

    研究表明,土壤強度的空間分佈與形因素密切相關,具有明顯的垂直分佈特徵和水平分佈特徵。
  11. The soil erosion has become more and more intensive horizontally from the ridge to the center of the shallow gully. the soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully

    在水平方向上,由淺溝分水脊經淺溝溝到淺溝中心, 7be和』 37cs復合示蹤土壤產沙的空間分佈特徵土壤強度逐漸增強;在垂直方向上,從分水嶺到溝緣線土壤強度呈先加強后減弱的趨勢。
  12. 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面上升的自然脆弱性,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,選取了質、海平面上升率、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。
  13. Soil degradation by erosion in sloping land in southern jiangsu province, china

    引起的蘇南土壤退化
  14. There was a highly significant correlation between the highest rain intensity in 30 minutes ( abbreviated as i30 ) and rv, and no significant correlation between rainfall capacity and 130. the soil conservation effects were better than the water conservation effects. the order of importance for water and soil conservation effects in different treatments was eragrostis curvula, kummerowia atriata, ixeris denticulata, with the most significantly positive correlation between each runoff and soil loss

    與裸相比,嚴重上植物籬笆的保土效果比保水效果更明顯,其中畫眉草( eragrostiscurvula )水土保持能力最強,雞眼草( kummerowiaatriata )次之,苦蕒菜( ixerisdenticulata )只具有保土作用;同時每次降雨產生徑流量與量之間為極顯著相關關系。
  15. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實觀測及室內試驗資料分析,得到如下研究成果: 1 、室內模擬降雨徑流對戧試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ,降雨歷時30 、 70分鐘,干土含水量為9 . 5 10 . 0 ,濕土含水量為19 . 0 20 . 0的條件下,量與雨強成非線性正比關系;雨強大,量大;降雨歷時長,量也大;堤含水量大時,量小,堤含水量小時量大。
  16. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受后,泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的表層土樣,即黃?土水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯,而全磷和速效磷卻無明顯的「富集」現象。
  17. 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,根據區域性貌的演化特徵,我們可以大致對現今應力場進行判斷: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,這種規律對于研究應力場的演變是有幫助的;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;區域性貌形態的演化程度對現今應力場的特徵具明顯的影響,隨著區域性程度由峽谷區、丘陵區、平原區的變化,現今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面並傾向于河谷、在自重應力帶中近於直立;根據原始面遭剝的程度,可以大致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,並與附近區域性和河流的展布方向基本平行,根據原始面遭剝的程度,可以大致估算其最大主應力的量值;根據區域性貌形態的特徵來分析工程區的現今應力場特徵,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應力測試成果基本一致,對于大型水電工程下廠房和壓力隧洞的設計是有所幫助的。
  18. 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

    第二十二條在水力區,應當以天然溝壑及其兩側山形成的小流域為單元,實行全面規劃,綜合治理,建立水土流失綜合防治體系。
  19. 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

    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、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。
  20. 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、貌形態發育過程及其相應的分形特徵、流域模型產沙與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,為實現從單產沙模擬、預報向流域產沙模擬、預報轉化過程中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。
分享友人