本文選題：河流 + 水質(zhì)變化趨勢(shì)��； 參考：《安徽理工大學(xué)》2015年碩士論文

【摘要】：本文依據(jù)2004-2010年宿州市5條主要河流(奎河、新濉河、新汴河、沱河和澮河)的水質(zhì)監(jiān)測(cè)資料,對(duì)河流水體中污染物濃度的空間分布特征以及河流水質(zhì)的變化趨勢(shì)進(jìn)行分析,并對(duì)其水質(zhì)污染狀況進(jìn)行評(píng)價(jià),以期為區(qū)域水環(huán)境污染控制和綜合治理提供科學(xué)參考。 本研究通過(guò)對(duì)宿州市主要河流的污染物濃度的空間分布特征分析得出,研究的宿州市5條河流中,奎河水體的水質(zhì)相對(duì)于其它4條河流較差,沱河和澮河水體的水質(zhì)較好。其中奎河屬外源型污染河流,沱河、澮河為內(nèi)源型污染河流,新濉河中有機(jī)污染物來(lái)源于本研究流域,而含N類污染物則來(lái)自上游,這與新汴河剛好相反。 本研究通過(guò)對(duì)宿州市主要河流水質(zhì)的變化趨勢(shì)分析得出,除DO和TP的濃度上升外,其它7類污染物的濃度均呈下降趨勢(shì)；對(duì)于不同河流,除新汴河的有機(jī)類污染變化不明顯外,其它4條河流的有機(jī)類污染均有所降低；對(duì)于不同河流斷面,除奎河楊莊斷面的營(yíng)養(yǎng)鹽類污染增加外,新濉河泗縣八里橋斷面、新汴河劉閘斷面、沱河蘆嶺橋斷面和澮河?xùn)|坪集斷面的營(yíng)養(yǎng)鹽類污染均有所降低,其它斷面則變化不明顯。宿州市地表河流的整體水質(zhì)環(huán)境狀況正在逐漸改善。 本研究采用單因子污染指數(shù)法和內(nèi)梅羅污染指數(shù)法對(duì)2004～2010年宿州市主要河流各監(jiān)測(cè)斷面的水質(zhì)進(jìn)行評(píng)價(jià),評(píng)價(jià)結(jié)果顯示：2004～2010年宿州市主要河流各監(jiān)測(cè)斷面的水質(zhì)污染狀況較為嚴(yán)重。奎河的楊莊和時(shí)村北大橋兩個(gè)斷面以及新濉河的符離閘和尹集兩個(gè)斷面的水質(zhì)較差,水體水質(zhì)在2004～2010年均表現(xiàn)為劣V類,其中奎河楊莊斷面的水質(zhì)處于污染最為嚴(yán)重的狀態(tài),多屬嚴(yán)重污染；新汴河泗縣汴河橋斷面和澮河?xùn)|坪集斷面的水質(zhì)較好,水體水質(zhì)在2004～2010年多表現(xiàn)為Ⅳ類,其中澮河?xùn)|坪集斷面的水質(zhì)處于最為良好的狀態(tài),多屬清潔水質(zhì)；其它斷面的水質(zhì)波動(dòng)較小,但都有好轉(zhuǎn)的趨勢(shì)。
[Abstract]:Based on the monitoring data of water quality of five main rivers (Kuihe, Xinsui, Xinbianhe, Tuohe and Huihe) in Suzhou from 2004 to 2010, the spatial distribution characteristics of pollutant concentration and the changing trend of river water quality were analyzed. In order to provide scientific reference for regional water environment pollution control and comprehensive treatment, the water quality pollution is evaluated. By analyzing the spatial distribution characteristics of pollutant concentration in the main rivers of Suzhou, it is concluded that the water quality of Kuihe River is worse than that of the other four rivers, and the water quality of Tuo River and Huihui River is better than that of the other four rivers. The Kuihe River belongs to the exogenous polluted river, the Tuohe River and the Huihe River are the endogenous polluted rivers. The organic pollutants in the Xinsui River come from this study basin, while the N type pollutants come from the upstream, which is just opposite to the Xinbianhe River. By analyzing the trend of water quality change in main rivers in Suzhou, the results show that the concentrations of other seven kinds of pollutants are decreasing except for the concentration of do and TP, and the change of organic pollution of Xinbianhe is not obvious except for different rivers. The organic pollution of the other four rivers has been reduced, and for different river sections, except for the increase of nutrient salt pollution in Yangzhuang section of Kuihe River, the section of Bali Bridge in Xinsui County and the section of Liu Gate in Xinbianhe County, The nutrient salt pollution of the sections of Luling Bridge and Huihedong Pingji is decreased, but the change of other sections is not obvious. The overall water quality and environmental conditions of surface rivers in Suzhou are gradually improving. In this study, the single factor pollution index method and the Nemero pollution index method were used to evaluate the water quality of the monitoring sections of the main rivers in Suzhou from 2004 to 2010. The results show that the water pollution of the main rivers in Suzhou from 2004 to 2010 is serious. The water quality of the two sections of Yangzhuang and Shicun North Bridge of Kuihe River and of Fuliangluo and Yinji of Xinsui River are poor. The water quality of the Yangzhuang section of the Kuihe River is in the most polluted condition in the year of 2004 and 2010, and the water quality of the Yangzhuang section of the Kuihe River is in the most polluted state. The water quality of Bianhe Bridge section and Huihedong Pingji section of Xianbianhe County is good, and the water quality of Huihedong Pingji cross-section is in the best condition, most of which are clean water quality from 2004 to 2010. The water quality of other sections fluctuates little, but all have the tendency of improvement.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X522;X824

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