本文關(guān)鍵詞：湄洲灣沿海石化工程對(duì)大氣環(huán)境影響研究　出處：《中國(guó)海洋大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 沿海工程 邊界層 海陸風(fēng)環(huán)流 數(shù)值模擬 環(huán)境影晌

【摘要】：隨著人類對(duì)資源需求的增加,海洋開(kāi)發(fā)的社會(huì)價(jià)值與經(jīng)濟(jì)價(jià)值越發(fā)重大,但一味追求經(jīng)濟(jì)的發(fā)展會(huì)造成環(huán)境不可逆轉(zhuǎn)的破壞。因此,我們要合理規(guī)劃地發(fā)展海洋工程,可持續(xù)性地進(jìn)行沿海工程開(kāi)發(fā),要充分考慮涉海工程項(xiàng)目所帶來(lái)的環(huán)境影響,做到以可持續(xù)為前提、以發(fā)展為主線、以高效為特征的海洋資源開(kāi)發(fā)利用。湄洲灣是一個(gè)半封閉海灣,港灣三面為山環(huán)抱,港內(nèi)多島,避風(fēng)條件良好：無(wú)大河流入灣內(nèi),泥沙納量小,是一個(gè)常年不凍不淤的天然良港。湄洲灣南岸地區(qū)地理位置優(yōu)越,交通條件便利,發(fā)展空間廣闊,該地區(qū)涉海工程項(xiàng)目眾多,對(duì)周圍環(huán)境影響效果顯著。本文在進(jìn)行湄洲灣南岸海域地面、探空以及海陸風(fēng)環(huán)流實(shí)驗(yàn)的前提下,以湄洲灣南岸工程主要源強(qiáng)以及監(jiān)測(cè)相關(guān)數(shù)據(jù)為依托,通過(guò)對(duì)湄洲灣南岸工程項(xiàng)目的環(huán)境影響進(jìn)行研究,可以為該地區(qū)沿海工程的可持續(xù)發(fā)展提供指導(dǎo),也為其它地區(qū)的沿海工程開(kāi)發(fā)提供參考。依此,本文一共分為三個(gè)部分進(jìn)行了相關(guān)研究。第一部分針對(duì)湄洲灣南岸海域的大氣邊界層進(jìn)行分析。通過(guò)對(duì)中尺度氣象模式的介紹以及湄洲灣南岸海域的風(fēng)向、風(fēng)速以及逆溫層進(jìn)行觀測(cè)分析,得出該區(qū)域的大氣邊界層總體特征,為之后的工程污染物擴(kuò)散、遷移規(guī)律研究提供背景支持。第二部分研究的海陸風(fēng)環(huán)流與污染現(xiàn)象關(guān)系密切,通過(guò)進(jìn)行觀測(cè)實(shí)驗(yàn)以及結(jié)合觀測(cè)資料對(duì)湄洲灣南岸海域進(jìn)行海陸風(fēng)環(huán)流數(shù)值模擬,來(lái)進(jìn)一步研究該區(qū)域是否存在海陸風(fēng)出現(xiàn)所要求的基本海陸溫差條件,以及該區(qū)域出現(xiàn)的海陸風(fēng)的特點(diǎn)。第三部分通過(guò)AERMOD和CALPUFF模型對(duì)湄洲灣南岸海域重點(diǎn)污染源污染物的數(shù)值模擬,結(jié)合監(jiān)測(cè)值對(duì)比分析該區(qū)域的地形和氣象環(huán)境對(duì)AERMOD和CALPUFF模型模擬能力的影響,確定更適用于湄洲灣南岸海域乃至沿海區(qū)域污染物模擬的空氣質(zhì)量模型。
[Abstract]:With the increase of human resource demand, the social value and economic value of marine development become more and more important, but the pursuit of economic development will cause irreversible damage to the environment. We should develop marine engineering reasonably and carry out coastal engineering development sustainably. We should fully consider the environmental impact of marine engineering projects and take sustainability as the premise and development as the main line. Meizhou Bay is a semi-enclosed bay with three sides of the bay surrounded by mountains and many islands in the harbour. The conditions of avoiding wind are good: no river flows into the bay and the sediment is small. Meizhou Bay south coast area is superior in geographical location, convenient transportation conditions, wide development space, the area involves many sea engineering projects. On the premise of surface sounding and sea-land wind circulation experiments on the south coast of Meizhou Bay the paper relies on the main source strength and monitoring data of the south coast of Meizhou Bay. By studying the environmental impact of Meizhou Bay south coast project, it can provide guidance for the sustainable development of coastal engineering in this area, and also provide reference for coastal engineering development in other areas. This paper is divided into three parts. The first part is the analysis of the atmospheric boundary layer in the south coast of Meizhou Bay. Through the introduction of the mesoscale meteorological model and the wind direction of the southern coast of Meizhou Bay. The wind speed and the inversion layer are observed and analyzed, and the general characteristics of the atmospheric boundary layer in this area are obtained, which are the subsequent engineering pollutant diffusion. The study of migration law provides background support. The second part studies the close relationship between the sea and land wind circulation and pollution phenomenon. Through the observation experiment and the numerical simulation of sea and land wind circulation in the south coast of Meizhou Bay, we can further study whether there are the basic sea-land temperature difference conditions required by the occurrence of sea and land wind in this area. In the third part, the AERMOD and CALPUFF models are used to simulate the major pollution sources in the south coast of Meizhou Bay. The influence of terrain and meteorological environment on the simulation ability of AERMOD and CALPUFF models is analyzed by comparing the monitoring data. The air quality model is more suitable for the simulation of pollutants in the south coast of Meizhou Bay and even the coastal area.
【學(xué)位授予單位】：中國(guó)海洋大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X82

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