estuary delta 中文意思是什麼

estuary delta 解釋
河口三角洲
  • estuary : n. 三角灣,河口灣,港灣。
  • delta : n. 1. 希臘語字母表第四字母〈Δ,δ〉。2. (河流的)三角洲;三角形物。3. 〈D-〉 通訊中用以代替 d 的詞。
  1. And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin

    其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等;該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。
  2. 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。
  3. 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。
  4. 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。
  5. This paper discusses the train of thought for sea reclamation planning at the estuary district of the pearl river delta based on the research on sea reclamation, combining concrete conditions of the sea area at the estuary district, surrounding circumstances of resources, as well as the state of land utilization, and from the view of protecting the existing establishments near this district, and promoting the formation of favorable ecological environment at the district and implementation of the thought step by step under current policy

    摘要通過對填海工程的相關案例研究,結合珠三角河口地區海域的具體情況、周邊資源條件及土地利用情況,從有利於保護周邊現有生產生活設施、有利於形成新的水岸生態環境、有利於在現行政策環境下分步推進等角度出發,探討在珠三角河口地區進行填海造地工程的規劃思路。
  6. To improve the water quality in the estuary, both sides agree to enhance exchange regarding the protection of and co - operation on the water environment so as to enable both sides to implement proposals for protecting the water quality of the pearl river delta region and to formulate a management plan for the region

    為了改善珠江河口一帶的水質,雙方同意加強水環境保護與合作的交流,以便雙方可落實加強有關珠江三角洲水質保護的建議,以期為珠江三角洲共同制定一套水質管理方案。
  7. Suggest lung kwu tan in tuen mun located near the estuary of pearl river delta and on western side of hksar for further river trade development

    屯門龍鼓灘位處香港西岸與珠江三角洲河道出口,建議闢作內河貨運發展。
  8. Based on the direction of sources and the ratios of sandstone to formation of sedimentary rocks, together with the sedimentary structures and textures, paleocurrent direction and the characteristics of paleontology, etc., the planimetric maps of sedimentary facies of each stages in the studied area are compiled in order to recognized the extension of dominant facies and the evlotionary history of sedimentary environment, hi the stage of benxi and taiyuan, lagoon - tidal flat sediments are widespread in the area, and the deposits of estuary, lagoon and small delta in the northwest margin of ordos

    以物源方向和沉積巖砂地比值為基礎,結合沉積結構構造、古水流方向及古生物特徵等,編制了研究區各期次的沉積相平面圖,以識別優勢相展布和沉積環境演化。本溪期和太原期研究區瀉湖?潮坪沉積分佈廣泛,西北緣發育河口灣、瀉湖及小型三角洲沉積。
  9. Even if the same genetic face, the velocity is very different because of different location. for example, the velocity of the vicinity and beyond of estuary bar is respectively 238. 33mm / ka and 0. 89 mm / ka. the paper has also related the deposital velocity of delta with quite deep lake of eogene of jiyang basin and the okinawa trough of quaternary and contemporarily shore

    即使是同一成因相,其所處的位置不同,沉積速率也有較大的差距,如分流河口壩(近端)與分流河口壩(遠端)的沉積速率分別為238 . 33mm / ka和0 . 89mm / ka 。
  10. Shanghai belongs to the alluvial plain of the yangtze river delta. to the west of the yangtze river estuary is shanghai

    上海坐落在長江三角洲平原上,處在長江入海口的西側。
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