floodplain 中文意思是什麼

floodplain 解釋
泛洪區
  1. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新解譯出了9條近東西向的斷裂。
  2. The wushan bank of three gorges reservoir has been divided into floodplain section, changing section from high level to below level and above flood level section

    針對水庫庫岸再造預測的特點,將三峽庫區巫山縣段的巖質庫岸劃分為漫灘段、枯洪水位變幅帶、常見洪水位以上段3種類型。
  3. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位值橫向分佈相差無幾,而流速的橫向變化較大,泓灘平均流速差最大可達一倍以上,在現有的分流口設計條件下,若按設計的南北汊分流比,南分流口有壅水現象發生,如果南汊分流增大到800m ~ 3 / s左右時,則水流較為通暢。
  4. The parana floodplain marsh retains a large amount of nutrients being stored mainly in the sediment compartment

    巴拉那洪泛區濕地保存著大量的營養物,主要儲存在沉澱物質里。
  5. Then it makes a summary of the terrestrial carbon deposition and points out several potential land - origin carbon traces including dam capture, deposition happening in floodplain, estuary and near - shore area, and terrestrial carbon precipitation

    之後對陸地碳沉積機制進行了歸納,指出了包括大壩截留,河漫灘、河口近岸帶沉積及陸地碳沉降等幾種可能的陸源碳蹤跡。
  6. In addition according to the comparison of typical floods the impact of floodplain morphology to the flood propagation was studied. no continuous water body in main channel and floodplain and the change of floodplain morphology and the increased flood detention capacity caused the time of flood propagation increasing and the flood types changing in abnormally

    同時通過對典型洪水的對比分析,研究了灘地邊界條件對洪水運行的影響,認識到由於主槽與灘地水體不連續以及灘地地形的改變,灘地蓄洪能力增大,造成洪水傳播時間增長和洪峰峰型的異常變化。
  7. The geographic information systems ( gis ) allows the modulation and simulation of different scenarios and the graphic representation of the different alternatives. in order to present and explain to a non expert public like politicians and the population in the floodplain, multimedia technology will play a valuable role trying to make the decision making process more participated

    (四)在水利工程管理方面,從舊有的單純的水利工情數據庫擴展到以水利工情信息為基礎數據背景的工程風險管理系統,對各類防洪工程在洪水狀態下的安全性進行評估、城市防洪工程規劃、城市發展與防洪工程相結合、工程實施投資效益分析、工程建設對環境質量的影響等等。
  8. 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。
  9. Sparedescription : based on the author s research and information from the usa and japan, the development trend of flood control and disaster mitigation in economically developed countries is introduced, including the follow aspects : flood risk management, floodplain management, flood control standard, city rainfall flood storage, levee construction technology, public participation, flood insurance, management of storage and detention zones, flood control investment, study on flood control and disaster mitigation, and formulation of related laws and regulations

    描述:根據美、日等國最新文件和資料,結合作者多年的研究,簡明地介紹經濟發達國家在防洪減災方面的最新發展趨勢.內容涉及洪水災害風險管理、泛濫原管理、防洪標準、城市雨洪調蓄、堤防建設技術、公眾參與、洪水保險、蓄滯洪區管理、防洪投入、防洪減災科學研究、法規建設等諸多內容
  10. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力,這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  11. However, people studied the riverway mainly by field survey and landform map contrast before. because of the limits of man ' s field view and complexity of field survey route, it is a difficult bottle neck for people to make synthetical analysis on geological structure, yangtze river shoal, floodplain, terrace, and microcosmic suspended load on macroscopical scale

    而以往的河道研究大多數是通過地面調查和地形圖室內對比分析來研究的(少數運用航片) ,由於受人的視域范圍及調查工作路線的布置的復雜度影響,對區域宏觀尺度下的地質構造、長江沙洲、漫灘、階地及河流微觀領域的懸浮物等作綜合性的研究便成為了瓶頸。
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