河口三角洲 的英文怎麼說

中文拼音 [hékǒusānjiǎozhōu]
河口三角洲 英文
estuarine delta
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  • 三 : Ⅰ數詞1. （二加一后所得） three 2. （表示多數或多次） more than two; several; many Ⅱ名詞（姓氏） a surname
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 洲 : 名詞1. （大陸和附近島嶼的總稱） continent 2. （河流中由沙石、泥土淤積而成的陸地） islet in a river; sandbar
  • 河口 : [地理學] river mouth; stream outlet; estuary; outfall河口地貌 estuarine geomorphy; 河口港 estuary...
  1. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮線反映現代黃河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現凈蝕退；清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。
  2. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律，但由於實測水深資料獲取較為困難，因而利用遙感來反演水深是一個重要的選擇，為此，本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗，試驗結果表明，在極高泥沙濃度、較強水動力條件的黃河口海域，用多光譜遙感反演水深是可行的。
  3. Physical simulation of formation process in distributary channels and debouch bars in delta

    三角洲分流河道及河口壩形成過程的物理模擬
  4. The nile divides at its mouth and forms a delta.

    尼羅河在河口分岔，形成了一個三角洲。
  5. From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay

    沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。
  6. The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly

    研究認為該氣藏構造簡單，只在鳳凰山形成了一個小型的鼻狀構造；屬於三角洲前緣亞相沉積模式，水下分流河道和河口壩是有利的沉積微相；儲層物性差，儲層巖石的孔隙類型主要有粒間孔、粒間（內）溶孔及少量晶間微孔；影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用；所有測試井自然產能都極低，必須經加砂壓裂后才有工業開采價值，且投產初期，油套壓下降較快，氣井產量下降迅速。
  7. The south part was slope and deep floor of the lake, and the north part was a broad shallow - water platform of the latchstring shore. in the north part, chang - 6 and chang - 7 oil - bearing beds of yanchang formation were typical shallow - water platform delta with an incomplete progradational sequence, in which the delta plain facies were well developed and the river - mouth bars were not developed

    受沉積基底地形的嚴格控制，發育于淺水臺地背景上的延長組長7 ?長6油層組表現出典型的淺水三角洲沉積特徵，具有發育的三角洲平原沉積，而前緣河口壩不發育，剖面上難以形成完整的進積序列。
  8. By summarizing and analyzing the geological setting, uranium source, paleoclimate, hydrology, lithologic - lithofacies conditions in the region, it is indicated that the quantou formation in fanjiatun - jiutai area and the qingshankou formation in yangdachenzi area are potential metallogenic prospective areas for in - situ leachable sandstone type uranium deposit in the region, which develop braided channel or delta marginal sandstones, and possess favorable forming conditions of interlayer oxidation zone, and constituting supply - passage - discharge system of abundant uranium source

    綜合研究區域成礦地質背景、鈾源、古氣候、水文地質、巖性巖相條件，認為范家屯九臺一帶的泉頭組及楊大城子一帶的青山口組發育辮狀河或三角洲前緣砂體，構成了鈾源供應充足的補徑排系統，具有有利的層間氧化帶形成條件，是本區地浸砂巖型鈾礦的有利成礦遠景區帶。
  9. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  10. The yellow river delta that is one of three most largest estuary delta in china locates an intersect area between the economy circle around the bohai sea and the economy belt of the yellow river valley. natural resources like petroleum, natural gas, bittern and terrestrial heat enrich the yellow river delta area. moreover, the natural endow of wetland resources, marine products resources and land resources abound in this area

    黃河三角洲是我國三大河口三角洲之一，地處環渤海經濟圈和黃河流域經濟帶的交匯點，有豐富的自然資源，如石油、天然氣、鹽鹵、地熱等，同時具有巨大的濕地資源、豐富的海產資源、廣闊的土地資源，土地利用變化劇烈，成為研究土地利用變化的熱點地區之一。
  11. Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired

    研究報告分析了黃河河口泥沙輸移和分佈的影響因素，利用實測資料，運用水力學、河流動力學、統計學等基本理論和原理，對河口泥沙輸移及其分佈規律、黃河河口口門區域泥沙沉積機理以及河口三角洲岸線的動態平衡問題進行了分析探討，並取得了部分重要認識和進展。
  12. According to the definition in ramsar convention, wetlands include marshes, peatlands, wet meadows, lakes, rivers, floodplains, river deltas, tide flats, reservoirs, ponds, rice paddies as well as marine areas with water depths under six meters

    按照《濕地公約》定義，沼澤、泥炭地、濕草甸、湖泊、河流、滯蓄洪區、河口三角洲、灘塗、水庫、池塘、水稻田以及低潮時水深淺於6米的海域地帶等均屬于濕地范疇。
  13. The river mouth delta process is affected by river dynamics and coastal dynamics. the process of river delta is estimated by empirical model, analytical model and minimum stream power method. the three models are verified with field data of the yellow river mouth. the computed results are compared with field data. the demerits of the three models are pointed out

    採用經驗模型、分析模型和最小功率方法研究河口三角洲演變過程.根據黃河河口三角洲資料，利用三個模型計算了河口三角洲岸線或沙咀寬度及岸線的平均延伸情況及對河口近口段河道水位的影響，比較分析了各模型的計算結果，指出了模型不足之處
  14. These reflect that the delta ecosystem environment has gradually ameliorated

    這反映出黃河流域水量統一調度后，河口三角洲生態環境正逐步恢復。
  15. Furthermore, there lies large areas of silt in the foundation soil of several mass oilfields in many countries

    然而粉土在國內外的分佈均較廣，尤其是在河口三角洲。
  16. As the oceans swell with water from melting ice sheets, it is the crowded river deltas in southern asia and egypt, along with small island nations, that are most at risk

    此外，因為冰川融化而導致的海平面上升將給人口密集的南亞和埃及河口三角洲帶來巨大的威脅。
  17. This paper mainly puts forward the comparative index for ecosystem environment relating with water dispatching, and analyses the variation of ecosystem environment by using remote sensing, hydrological data and investigated data

    文章提出了評價水量調度效果的河口生態環境對比指標，並嘗試運用遙感技術、水文數據和調查資料，對比分析了水量調度前後河口三角洲生態環境變化情況。
  18. Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided

    文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算
  19. After the implementation of water regulation, the river course in delta reaches the minimum ecological flux, and no flow interruption take place ; the runoff flowing into the sea and the transporting sediment increase ; the areas of fresh water wetland is also increased gradually ; species variety get instauration obviously

    結果表明，黃河水量統一調度后，河口三角洲最小河道生態基流在非汛期基本得到滿足，斷流現象不再發生，徑流入海率和輸沙入海量有所增加，淡水濕地面積逐漸增多，物種多樣性明顯得到改善。
  20. A study of sediment budget of the yellow river delta : the case of diaokouhe lobe

    以釣口河亞三角洲為例
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