河川地形 的英文怎麼說
中文拼音 [héchuāndexíng]
河川地形
英文
fluvial landforms-
In the research area, the incised valley was formed during the sea level downwards and was provided source by the arenaceous river from qiaotou. it is stacked by 3 incised valleys formed in 3 different sequences
研究區內子洲鎮川堡地區發育的下切河谷形成於海平面下降時期，來源於橋頭的砂質河流沉積，為疊置的、形成於三個不同三級層序底部的下切河谷充填沉積。The yanchang formation of upper triassic in north shaanxi is major terrigenous clastic system deposited in fluvial - latchstring environment, under the influence of the llocyclicity factor which include indosinian tectonic, eustacy, sedimentary supplies and the autocyclicity factor. in late triassic, north shaanxi was divided into two parts bounded by zhidan - ganquan - yichuan demarcation line
陜北地區上三疊統延長組是以河流一湖泊相為特徵的陸源碎屑巖系，當時的陜北地區，以志丹?甘泉?宜川沿線為界，南側以明顯的斜坡向深湖盆地過渡，北部則為一地形平緩的淺水臺地。Based on 3 - d seismic well and logging data, mainly by means of advanced seismic theories of reservoirs prediction and other corelational multidisciplinary, an extensive and indepth studying on the tight sandstone reservoir with fracture of the second part of the xujiahe formation in west sichuan depression has been carried out. a series of theoretical viewpoints and research fruition are concluded as follows :. 1 on the basis of analysis of the regional and local structure characteristics and evolution, a conclusion comes in to being : inchoate and nowadays structure traps and the match model between structure and fracturation system are the main factors in controlling the formation of effective traps
本文綜合利用三維地震、鉆井、巖心、測井資料，採用地震儲層預測方法為主線的多學科綜合研究思路對川西坳陷上三疊統須家河組二段緻密裂縫性砂巖儲層進行了較為廣泛、深入的研究和探索，取得以下一系列理論認識和研究成果： 1 、通過區域及局部構造特徵及構造演化史分析，認為古今構造圈閉、構造與斷裂系統配置關系是控制有效圈閉形成的主要因素。Comprehensive study indicates the dark, 50 - 300 m thick upper permian series, which is rich in the organic material ( om ) and biota, is beneficial to formation and protection of petroleum and natural gas. moreover the stratigraphy possess with better reservoir ability. the reservoir distributed in shallow glacis along beichuan tongkou - guangyuan changjianggou, he 12 well - she 1 well - jiange - cangxi yongningpu - long 4 well - bian 1 well in wujiaping stage and in platform edge beach along beichuan tongkou - jiangyou shuigentou - jiange - cangxi yongningpu - nanjiang
綜合以上，本文認為研究區上二疊統地層厚50 ? 300m ，顏色較深、生物含量多、富含有機質，並且該套地層自形成后，大多直接進入埋藏成巖環境，是一套十分有利於油氣的形成與保存的地層；同時該套地層的局部層段具有一定的儲集性能，在吳家坪期儲層主要分佈在北川通口?廣元長江溝、河12井?射1井?劍閣?蒼溪永寧鋪?龍4井?扁1井一帶，在長興期儲層主要分佈在北川通口?江油水根頭?劍閣?蒼溪永寧鋪?南江一線。The author presume the original physiognomy of jiuzhai valley, and acknowledged changhai valley was a surface - water with uniform waterpower, the rize valley was a branch of it but the inequality rise of lithosphere, the deposit of earthquake landslides debris flows and falling or glacier blocked the river - way, furthermore, the flow water with high content of ca ( hco3 ) 2, so tufa dyke formed and evolvement the present dyke of lakes the present physiognomy formed on the base of those 2
由於地震、滑坡、泥石流引起的堆積物和冰川作用形成的冰磧物堵塞河道，再加上構造運動造成地殼的不均勻抬升，九寨溝的這種獨特的地質環境以及高含ca （ hco _ 3 ） _ 2的巖溶水流作用下，為caco _ 3沉積創造條件，沉積的caco _ 3加高、連接最終形成灰華堤壩，使湖泊的形成成為可能。Create attractive urban spaces centering on the sumidagawa river asakusa and ryogoku area, the small rivers in the koto delta area and the canals by introducing bustling activity to the waterfront, forming a lovely waterscape, and promoting improvements in transportation access and the water environment
創造水邊地區的繁華氣氛，以隅田川淺草和?國地區江東內部河流和運河為中心建立有吸引力的城市空間，形成美麗的水邊景區，同時促進水上運輸和水環境的改善。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。In the early sinian, clastic sediments formed by fluvial and continental glacial actions were developed, while in the late sinian, great thickness of marine carbonate rocks formed by two transgression - regression cycles were developed
早震旦世發育由河流作用與陸地冰川作用形成的陸源碎屑沉積；晚震旦世則發育由兩次臺地盆地臺地的海進海退旋迴形成的巨厚海相碳酸鹽沉積。The five fuwas are the official mascots of the 2008 beijing olympic games. its colorful aspiration are coming from the olympic five ring, the landscape and the dreams and aspirations of people from every part of the vast country of chinamountains, rivers, and the favorite animals that people like
奧運吉祥物福娃是北京2008年第29屆奧運會吉祥物，其色彩與靈感來源於奧林匹克五環、來源於中國遼闊的山川大地、江河湖海和人們喜愛的動物形象。The forming and changing of lan - yang plain was affected by the tectonic sinking, fluctuation of sea level, and alluvial process
摘要蘭陽平原的形成與變遷主要受到地盤沉陷、海水面變動與河川沖積等因素所影響。Due to its unfavorable geographical location and hilly landform, rainfall is the fundamental form for farming water supply
受地理位置和山地丘陵溝壑地形的限制，遠離冰川雪山，欠缺江河灌溉條件，降水成為農業基本水分來源。Much of the water used for farming the south - west us, central asia and around the andes is drawn from rivers that originate in snow - covered mountains, says the report
專家提出警告，美國西南部、中亞地區以及南美洲安地斯山脈附近大多的城市皆引山頂冰河形成的河川維持城市機能、或是灌溉作物，一但溫室效應摧毀那些冰河，未來受害的將不只是沙漠地區。Through analysing the topography and landforms, rocks, geological structure and regional crust stability, etc, the geological condition of project on moving and settling construction land in nanan village of baihe township, sichuan jiuzhaigou county, status assesment, forcasting assessment and comprehensive regional assessment about the geological hazard of this site are made and also the conclusion and suggestion are given
摘要通過對四川省九寨溝縣白河鄉南岸村搬遷安置建設用地的地形地貌、地層巖性、地質構造與區域地殼穩定性等工程地質條件的分析，對該場地的地質災害危險性做出了現狀評估、預測評估及綜合分區評估；並提出了結論與建議。Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west
本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。The aim of this study is to propose a method, which will be of practical value to solve these problems in investigating, correlating and analyzing river terraces, and explain their genesis
這個方法在實行上是依據野外調查所得的階地特徵，推論形成階地的河川下切過程，並在野外調查的同時依據階地特徵所顯不的河川下切過程進行對比。分享友人