淤積灘 的英文怎麼說
中文拼音 [yūjītān]
淤積灘
英文
accretion beach-
The field observation of the sediments of storm surge produced by no. 11 typhoon in 1997 shows that sedimentation rate of storm surge sediments are greater than that of normal astronomical tide sediments, and the grain size shows relative coarse with poor sorting. vertical sequences of the storm sediment show parallel bedding and overlapped by hummock bedding. these characteristics provide good basis for building the index of storm surge deposit
通過對梁垛河閘9711號臺風的現場觀測並結合目前已有的風暴潮沉積的研究，分析了風暴潮沉積在構造和結構上的特點，從而建立了正常潮灘沉積中風暴潮沉積的識別標志，同時在野外觀測中還發現即使在風暴潮期間，高潮灘上部仍存在只有淤積沒有侵蝕的地帶。Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation
潮汐是塑造潮灘的主要動力因素，它必然與淤泥質潮灘上潮溝系統的發育有密切的關系，為此，本文以2000年的衛片作底圖，對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值，分別與平均潮差建立了相關關系，結果發現，潮溝系的密度與平均潮差之間存在著高度顯著的相關性，溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。According to the contrast between different maps and the dynamical conditions, the area of bohe lagoon had reduced by 45. 3 % from 1932 to 2000 and human activities in the coastal zone, such as inning, sand dredging and aquiculture, have brought great effects on the coastal system, which has accelerated the barrier erosion and lagoon evolvement
通過對比分析， 1932 ~ 2000年，博賀?湖面積減少45 . 3 % ，人類活動已成為影響該區海岸演變的主導因素；灘塗圍墾、海岸采沙與水產養殖等人類活動加劇了沙壩海岸的侵蝕後退，且使得?湖面積迅速減少，不斷淤淺萎縮，大大加快了海岸體系的演化進程。By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently
然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律，分析研究表明：建庫前渭河下游主槽處于動態沖淤平衡狀態，灘地處于微淤狀態；建庫后，渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的；潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的，近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。Its tidal land covers an area of more than 6. 8 million mu, 75 % of jiangsu with land forming eastward at the speed of 40, 000 - 50, 000 mu per year
沿海灘塗面積680多萬畝，佔全省沿海灘塗面積的75 % ，每年還以4 - 5萬畝的速度向大海淤長。In this paper, the deposition evolution process in qtx reservoir are studied, the incoming water and sediment, the operation data, and the time and space distribution of longitudinal and lateral sedimentation in reservoir are analyzed in detail, and the longitudinal scouring and sedimentation and lateral deformation law in reservoir tidal flat and mainstream under different operation way are summarized in every operation period
本文以黃河青銅峽水利水電樞紐工程水庫淤積演變過程為研究對象，對青銅峽水庫來水來沙組成、水庫運行資料、水庫縱橫向泥沙淤積時空分佈等進行了較詳細的分析，總結了青銅峽水庫各個運行時期不同運行方式下水庫灘槽縱向沖淤和橫向變形規律。The six sea walls constructed in xiamen seacoast from 1953 to 1979 not only changed original nature environment, but also produced many application quaternary problems : tide - absorbing capacity reducing, and the bay silt up increasing ; the coast erode going into worse, and part of coasts collapsing and falling back ; intertidal zone mangrove disappearing, and ecosystem environment being destroyed ; sand beach in seashore running off severely, quantity of sea water falling, and marine products being reduced sharply
摘要1953 - 1979年廈門沿海修築的6條海堤不僅改變了原有的良好自然環境，而且產生了諸多應用第四紀問題：納潮量減少，港灣淤積加重；海岸侵蝕作用加劇，部分海岸崩塌後退；潮間帶紅樹林消失，生態環境遭到破壞；海濱沙灘流失嚴重，海水質量下降，水產養殖銳減。An experimental research on notching wet beach of the yellow river with the short - delay blasting is made for eliminating the risk that the main river channel is often threatened by some horizontal and slanting streams occurred on the downstream of the river and solving the problems from the bend cut - off for river channel harnessing, water way dredging and the siltation of the water diversion outlets along the channel
摘要為了利用爆破解決黃河下遊河道經常出現的橫河和料河威脅河道安全的險情以及河道整治中的裁彎取直、疏浚航道和河道引水口淤積的問題，在黃河濕灘上進行了微差爆破開槽試驗研究。Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir
本文從青銅峽水庫泥沙淤積入手，分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀，對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析，提出庫區圍墾堤是水庫水位抬升的重要原因。Pattern amp; amp; control of sediment deposition at bikou reservoir
巖灘水庫泥沙淤積分析In this field observation we also find an important fact that, even during storm surge period, high tidal flat can still be in sedimentation in some place, no erosion occurred. to tell the typhoon storm surges from cold wave storm surges, 12 monthly sedimentary samples are collected from the modern tidal flat surface at dafeng, jiangsu. palynological analysis of these samples indicates that the seasonal palynological features of the tidal flat sediment are very obvious and some palynological indexes, such as taxon percentage of arboreal, herbaceous pollen and spore, are good indicators to tell the seasonality of the tidal flat deposits
為區分風暴潮沉積是由臺風引致還是由寒流或冷鋒引致，對長期處于淤積狀態的江蘇中部大豐縣斗龍港附近潮灘，採集了一年中每月小潮期間灘面表層泥樣，並在啟東茅家港灘面分別採集了6月、 9月與12月的表層泥樣，在實驗室中，對這些樣品進行孢粉等分析，認為在以粉砂、泥為主的潮灘沉積中，孢粉種類百分比，尤其是木本種類占孢粉總種類的百分比是判別季節性潮灘的重要指標，通過啟東茅家港工程建設區淤積狀況的觀測記錄對這一判別指標進行了驗證。For different upstream conditions, thickness of sediment in the permeable pile dike region may reach 0. 67 m, and largest thickness is nearly 1. 9 m, and largest width reaches 1 km
不同入流條件下的主過流區壩段的灘面淤積體厚度可達到0 . 67m以上，最大厚度可接近1 . 9m ，淤積體最大寬度可達1km 。Sediment silt up in reservoir is one of the important contents in key water control project, research on the effect and surrounding environment effected by patterns of enclose tideland for cultivation in key water control project, which has risen concerns of lots of departments
水庫泥沙淤積是水利樞紐工程研究的重要內容之一，青銅峽水庫庫區淤積后灘地的圍墾利用方式對水利樞紐工程的安全運行、效益發揮以及對周邊環境的影響分析研究已引起各方面的關注。Silt will deposit there. velocities around groin head are larger than the scour velocity and scour hole may develop in this area. this would affect the stability of spur dikes
受丁壩阻擋，壩田所在的邊灘區域流速很小，泥沙在此淤積:而壩頭附近流速較大，通常在此區域形成沖刷，影響丁壩的穩定性。分享友人