本文選題：圍海造地 + ROMS��； 參考：《天津大學(xué)》2016年碩士論文

【摘要】：海岸帶地區(qū)是陸地和海洋的重要交界面,具有巨大的生態(tài)和經(jīng)濟(jì)價(jià)值。渤海灣是我國渤海三個(gè)海灣之一,渤海灣海岸帶是河北、天津和山東三個(gè)省市重點(diǎn)港口、工業(yè)園區(qū)以及其他涉海工程的集中地。近年來,渤海灣實(shí)施了一系列的圍海造地工程,圍海造地工程會(huì)影響渤海灣水動(dòng)力、水交換能力,從而對(duì)海洋生態(tài)系統(tǒng)的調(diào)節(jié)能力、水體的自凈能力、沿岸水體生態(tài)環(huán)境產(chǎn)生影響,因此研究圍海造地工程對(duì)渤海灣水動(dòng)力、水交換的影響是十分必要的�；赗OMS模型,建立了渤海灣三維水動(dòng)力學(xué)模型,對(duì)模型的參數(shù)進(jìn)行了率定,并通過渤海灣的實(shí)測(cè)數(shù)據(jù)對(duì)模型進(jìn)行了驗(yàn)證,可以為進(jìn)一步分析渤海灣水動(dòng)力及水交換提供支持。利用驗(yàn)證過的渤海灣三維水動(dòng)力學(xué)模型,分別對(duì)2003、2010年渤海灣岸線下的潮流場進(jìn)行模擬,并利用嵌套網(wǎng)格的方法對(duì)2003、2010年天津港附近海域的潮流場進(jìn)行精細(xì)模擬,分析了圍海造地工程對(duì)渤海灣潮流場造成的影響,統(tǒng)計(jì)了渤海灣的納潮量,結(jié)果表明:圍海造地工程使渤海灣水動(dòng)力整體減弱,東疆港東北部與漢沽之間海域、南疆港北部海域、臨港工業(yè)區(qū)附近海域、南港附近海域最大漲潮流速分別減小0.1~0.18m/s、0.05~0.1m/s、0.1~0.18m/s、0.1~0.15m/s,最大落潮流速分別減小0.1~0.15m/s、0.05~0.1m/s、0.1~0.15m/s、0.1~0.15m/s,2010年渤海灣納潮量較2003年減小了6.56%�；趯�(duì)流擴(kuò)散模型的結(jié)果,進(jìn)一步用關(guān)聯(lián)矩陣的方法對(duì)天津港近岸八個(gè)規(guī)劃功能區(qū)域水交換進(jìn)行了研究,對(duì)比分析了各區(qū)域2003年與2010年水交換,分析了圍海造地工程對(duì)天津港毗鄰海域水交換的影響,結(jié)果表明:圍海造地工程導(dǎo)致天津港近岸水體的水交換能力減弱,30天時(shí),東疆港東北部海域A2、天津大神堂牡蠣礁國家級(jí)海洋特別保護(hù)區(qū)A6、渤海中北部航運(yùn)區(qū)A7的水交換能力變化不大,而旅游娛樂區(qū)A1水交換能力減弱22.17%,天津港港池A3水交換能力減弱14.85%,臨港工業(yè)區(qū)航運(yùn)區(qū)A4水交換能力減弱10.01%,南港排放口及航運(yùn)區(qū)A5水交換能力減弱10.77%,天津東南部農(nóng)漁業(yè)區(qū)A8的水交換能力減弱3.29%,并分析了水交換變化的原因,可以為進(jìn)一步分析渤海灣污染物擴(kuò)散、水質(zhì)及水體生態(tài)環(huán)境變化提供支持。
[Abstract]:Coastal zone is an important interface between land and sea, which has great ecological and economic value.The Bohai Bay is one of the three coasts in the Bohai Sea in China. The Bohai Bay Coastal Zone is the central port of Hebei Tianjin and Shandong provinces and cities industrial parks and other sea related projects.In recent years, a series of reclamation projects have been carried out in the Bohai Bay, which will affect the water power and water exchange capacity of the Bohai Bay, thereby regulating the marine ecosystem and self-purification of the water body.Therefore, it is necessary to study the influence of land reclamation on the hydrodynamics and water exchange in Bohai Bay.Based on the ROMS model, the 3D hydrodynamic model of Bohai Bay is established, and the parameters of the model are determined. The model is verified by the measured data of the Bohai Bay, which can provide support for the further analysis of the hydrodynamics and water exchange in the Bohai Bay.Based on the results of convection-diffusion model, the water exchange in eight planning regions of Tianjin Port is studied by using the method of correlation matrix, and the water exchange between 2003 and 2010 is compared and analyzed.The effect of reclamation on water exchange in the adjacent waters of Tianjin Port is analyzed. The results show that the water exchange capacity of the coastal water body of Tianjin Port is weakened for 30 days due to the reclamation project.A2 in the northeast of Dongjiang Port, A6 in Tianjin Dashentang oyster reef national marine special reserve, and A7, a shipping area in the central and northern Bohai Sea, have little change in water exchange capacity.While the A1 water exchange capacity of tourist entertainment area was reduced by 22.17, the water exchange capacity of Tianjin Port Pond A3 was reduced by 14.85, the water exchange capacity of shipping area A4 in port industrial area was weakened by 10.01, the water exchange capacity of Nangang discharge port and shipping area A5 was weakened by 10.77g, and the agricultural area of southeast Tianjin was weakened.The water exchange capacity of fishery area A8 was reduced by 3.29 percent, and the reasons for the change of water exchange were analyzed.It can provide support for further analysis of pollutant diffusion, water quality and changes of water ecological environment in Bohai Bay.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：P731.2

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