海水面變化 的英文怎麼說
中文拼音 [hǎishuǐmiànbiànhuà]
海水面變化
英文
eustasy-
Using the data of gravity field parameter variations observed by grace, and mean sea level variations observed by satellite altimetry removed steric sea level changes calculated from the numerical ocean models, global ocean mass change is studied
利用grace衛星觀測得到的重力場系數變化資料及重力衛星測高得到的海平面變化扣除由模式得到的熱容海平面變化,研究了海水的質量變化。The depositional environment of the upper paleozoic in the ordos evoluted from the epicontinental sea to the fluvial - delta. the change of the depositional environment and eustacy controlled the main depositional systems in the research area
上古生界沉積環境演化過程總的是由陸表淺海逐漸變為陸相的河流?三角洲,海平面升降和海水進退控制了區內主要的沉積體系和沉積相類型。With a small specific gravity, light weight, they float on the surface of water ; after oil absorption, they won ' t be deformed, loosened or effected by temperature ; they are able to be acid tolerance, anti - corrosion, easy to store and other characteristics ; they can be widely used for the cleaning machinery manufacturing, aviation, petrochemical and other industries : cleaning of oil stains on water surface, storage cells, bulges, a large amount of other oil stains, the recovery of see surface oil leakage, and preventing the oil leakage from diffusing in tanker, petroleum tanks, oil boxes
具有比重小,重量輕,浮於水面,吸油后不變形、不鬆散、不受溫度影響、耐酸堿、不腐蝕、易於儲存等特點,被廣泛應用於機械製造、航空、石化等行業油污的清理:水面浮油清除,蓄電池、船腹等大量油污清除,海面漏油回收處理,油車、油槽、油箱、油桶等漏油防止擴散。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。3. by thermo - activation treating, the crystal water and constitution water of sepiolite were further changed. changes of channels between crystals and porosity made the specific surface area of the products increase from 295. 39 m2 / g to 324. 67m2 / g
3 .經過熱活化處理使海泡石的結晶水和結構水進一步發生變化,晶間管道和孔隙度的改變使產物的比表面積由295 . 39m2 / g提高到324 . 67時/ g 。The apparent characteristics of interdecadal variability of interannual relationship between winter sea - ice extent of davis strait and summer, july and august rainfall of north china are : the strongly negative correlation between winter sea - ice extent of davis strait and summer rainfall of north china turns into bad correlation
冬季戴維斯海峽海冰面積與華北7月降水在年際變化尺度上有明顯的反相關關系。冬季戴維斯海峽的海冰面積增多(少) ,同年華北7月降水偏少(多) 。All the turn - point year is around 1974. another feature of interdecadal variability of interannual relationship between winter sea - ice extent of davis strait and summer, july and august rainfall of 160 stations is that the interannual correlation pattern have changed from east - west pattern to " + - + " north - south pattern around 1974. the interdecadal characteristics of correlation distribution pattern of interannual relationship between winter sea - ice extent of davis strait and summer, july 500hpa height of northern hemisphere are : " - + - " pattern from the beginning of novoya zemlya island, by way of balkhash lake to japan sea which is strongly negatively correlated with the rainfall of north china at the same period before 1974 and " + - " pattern from the beginning of ural mountains, by way of bujr lake to hetao basin which is badly correlated with the rainfall of north china at the same period after 1974
冬季戴維斯海峽海冰面積與華北夏季及7 、 8月降水年際關系有明顯的年代際變化特徵:其與夏季總降水的年際關系由1974年前較好的負相關在1974年後變差,與7月降水的年際關系由1974年前較好的負相關在1974年後變弱,與8月降水的年際關系由1974年前較好的負相關在1974年後變差;另一方面,其與中國160站夏季及7 、 8月降水的年際關系在1974年前後發生變化的主要特徵是:與夏季總降水、 7月、 8月降水的年際關系由1974年前的相關系數分佈呈「東西型」變為1974年後相關系數分佈呈「 - + - 」的「南北型」 。The features of the interannual relationship between winter sea - ice extent of davis strait and rainfall of north china and the interdecadal variability of its interannual relationship are analyzed by using uk / gisst sea - ice data - set of hadley, monthly 500hpa height field of ncep / ncar reanalysis data and monthly rainfall data from 160 stations in china
選用英國hadley氣候研究中心的uk gisst海冰面積指數資料集、 ncep ncar逐月再分析資料500hpa位勢高度場資料和中國160站降水資料,分析了冬季戴維斯海峽海冰面積變化與華北夏季降水年際關系及其年代際變化。So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing
本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀,重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論;利用fortran語言完善堵口工程龍口水力計算程序,使程序可以滿足圍海工程復雜工況下(如考慮內港洪水、計算時段的變化、多口門、多庫容、多水閘)的龍口水力計算,並進行大量方案的比較和分析,提出合理計算方案;利用面向對象的可視化編程語言vb進行界面開發,使計算過程有良好的人機界面,更直觀地對計算結果進行分析和處理;計算結果的后處理採用vb編程實現龍口水力要素最大值等值線圖的繪制;並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水力計算,為堵口合龍提供科學依據。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。With regard to the special environment of high altitude and ice, this paper mainly studies the effect of altitude ( air pressure ), icing states ( ice amount ) and icing water conductivity on the ac flashover characteristic of composite insulators. furthermore, it analyzes the hydrophobicity of composite insulators in these environments
針對高海拔和覆冰地區特殊的環境,本文重點研究海拔高度(即氣壓) 、覆冰程度及覆冰水電導率等對合成絕緣子交流閃絡特性的影響,並且對合成絕緣子在高海拔和覆冰環境下的表面憎水性變化進行分析。Mean sea level variations are caused by the changes of sea water density and global ocean mass, it is an important content of studying global climate change
摘要海平面變化是海水密度和海水總質量變化的結果,是全球氣候變化研究的重要內容之一。Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change
本文就目前天然氣水合物調查中存在的這些特殊技術問題,通過對海上高精度磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋,成功地嘗試了用高精度海洋磁測成果中的磁力總場和梯度變化特徵來識別水合物勘探中高解析度地震剖面上的泥底辟構造真偽的技術方法。Groundwater level prediction is also a very important field in groundwater environment prediction. land subsidence, encroachment of sea water and deterioration of water quality and so on by artificial development have relation to sustained drop of groundwater level. after groundwater level change mechanism was analyzed, the establishment method of groundwater level prediction regression analysis model was explored. and the groundwater level development trend of some planning region with the model was predicted according to its change characters of groundwater level, wath ' s more, the prediction results was analyzed
地下水位的預測也是地下水環境預測的重要內容,地下水在開采過程中所產生的地面沉陷、海水入侵、水質惡化等現象均與地下水位持續下降有關,本文在對地下水位變化機理分析的基礎上,探討了地下水水位預測回歸分析模型的建立方法,並針對某規劃區地下水位變化的特點,應用該模型對該規劃區地下水位發展趨勢進行了預測,並對預測結果進行了分析。Besides, as crustal movement would affect sea level measurement, the hong kong observatory in co - operation with the lands department and hong kong polytechnic university has started to make measurement of the vertical ground movement at tide gauge stations, using satellite - based global positioning system techniques, since 2004. the data will support long term sea level change studies in future
此外,由於地殼移動可能對海面水位測定有影響,香港天文臺與地政總署及香港理工大學合作由二四年起利用全球定位系統衛星技術,定期測量測潮站所在地殼的升降情況,支援日後本港長期海平面變化的研究。Mr yeung said, " regional climate change study is a key area of work of the hong kong observatory. " besides, as crustal movement would affect sea level measurement, the hong kong observatory in co - operation with the lands department and hong kong polytechnic university has started to make measurement of the vertical ground movement at tide gauge stations, using satellite - based global positioning system techniques, since 2004. the data will support long term sea level change studies in future
楊繼興表示:研究本地區氣候變化是香港天文臺工作重點之一。此外,由於地殼移動可能對海面水位測定有影響,香港天文臺與地政總署及香港理工大學合作由二四年起利用全球定位系統衛星技術,定期測量測潮站所在地殼的升降情況,支援日後本港長期海平面變化的研究。Begining with analysis of sequence stratigraphy of stratum ore hosted, this paper analysed structure of basin, variation of sea level and terrigenous sedimentation input rate which impacted on seafloor hydrothermal sedimentary mineralization, then through the study of characteristics of hydrothermal sedimentary rocks, ore deposit geochemisty and geology, metallogenic series are established
從層序地層分析著手,分析熱水沉積成礦時的沉積環境、海平面變化及陸源沉積輸入對熱水沉積成礦的影響,研究熱水沉積巖的地質特徵和地球化學特徵、礦床地質特徵對比、礦床地球化學、成礦物理化學條件等,最終建立了該區的成礦系列。In a three - dimensional ocean model with curvilinear coordinates horizontally and a coordinate vertically, the adapted grids at a layer for interpolation in the eulerian - lagrangian method ( elm ) is unreasonable over steep topography, because the vertical distance between the adjacent grids in the same a layer is too large
摘要在水平曲線坐標和垂向坐標的三維海洋模式下,歐拉拉格朗日方法的插值如果在-面相鄰網格之間進行,那麼在水深變化劇烈處,由於-面相鄰網格之間的垂向距離較大,插值依據會顯得較不合理。According to an assessment report published by the inter - governmental panel on climate change ipcc in 2001, one of the consequences of global warming was the rise in sea level due to thermal expansion of the upper layer of the ocean and melting of polar ice caps and mountain glaciers, and it was estimated that the global mean sea level had risen by one to two millimetres per year in the 20th century. there are, however, considerable regional variation in the sea level change as global warming would affect atmospheric and oceanic circulations and hence the regional climate and sea level
根據政府間氣候變化專業委員會ipcc在二一年發表的評估報告,全球變暖導致海水受熱膨脹以及兩極冰冠和雪山冰川融化,造成全球海平面上升,在二十世紀全球海平面平均每年上升了約一至二毫米,但區域性的差異相當之大,這主要是因為全球變暖影響了大氣及海洋環流,引致區域性的天氣及海平面變化。According to an assessment report published by the inter - governmental panel on climate change ( ipcc ) in 2001, one of the consequences of global warming was the rise in sea level due to thermal expansion of the upper layer of the ocean and melting of polar ice caps and mountain glaciers, and it was estimated that the global mean sea level had risen by one to two millimetres per year in the 20th century. there are, however, considerable regional variation in the sea level change as global warming would affect atmospheric and oceanic circulations and hence the regional climate and sea level
根據政府間氣候變化專業委員會( ipcc )在二一年發表的評估報告,全球變暖導致海水受熱膨脹以及兩極冰冠和雪山冰川融化,造成全球海平面上升,在二十世紀全球海平面平均每年上升了約一至二毫米,但區域性的差異相當之大,這主要是因為全球變暖影響了大氣及海洋環流,引致區域性的天氣及海平面變化。分享友人