【摘要】：近年來,越來越嚴(yán)重的空氣污染問題愈發(fā)引起人們的廣泛關(guān)注。大氣污染和空氣質(zhì)量以其多因素性和時(shí)空多變性而存在著極大的不確定性,需要廣泛深入的研究分析。大氣氣溶膠作為空氣污染源,其時(shí)空分布、理化特性及來源機(jī)理已成為大氣環(huán)境科學(xué)的研究熱點(diǎn)。本文以淮海經(jīng)濟(jì)區(qū)的中心城市徐州市和京津冀地區(qū)空氣污染嚴(yán)重的代表性城市石家莊市為研究對(duì)象,結(jié)合地基觀測(cè)和衛(wèi)星遙感手段,對(duì)研究地區(qū)的氣溶膠進(jìn)行星地聯(lián)合觀測(cè)與分析。在地基觀測(cè)方面,利用CE-318太陽光度計(jì)對(duì)研究地區(qū)進(jìn)行固定觀測(cè),同時(shí)利用MICROTOPS II手持式太陽光度計(jì)在石家莊市二環(huán)以內(nèi)地區(qū)設(shè)計(jì)、開展了移動(dòng)觀測(cè)實(shí)驗(yàn)。在衛(wèi)星遙感方面,選用MODIS的氣溶膠光學(xué)厚度數(shù)據(jù)(MODIS AOD),首先,利用地基觀測(cè)數(shù)據(jù)對(duì)MODIS AOD在研究地區(qū)的適用性進(jìn)行了驗(yàn)證分析,然后在此基礎(chǔ)上對(duì)包括研究地區(qū)在內(nèi)的更大范圍的氣溶膠光學(xué)厚度的空間分布差異進(jìn)行了分析。通過固定觀測(cè)與移動(dòng)觀測(cè)相結(jié)合、地基觀測(cè)與衛(wèi)星數(shù)據(jù)相結(jié)合、時(shí)間分析與空間分析相結(jié)合的綜合手段,利用數(shù)理統(tǒng)計(jì)和模型分析等方法,得到了觀測(cè)期間內(nèi)徐州市和石家莊市氣溶膠的光學(xué)特性、各氣溶膠光學(xué)特性參數(shù)的時(shí)序變化規(guī)律以及氣溶膠光學(xué)厚度的空間分布特征,并了解了包括研究地區(qū)在內(nèi)的更大范圍的氣溶膠光學(xué)厚度的空間分布差異。
[Abstract]:In recent years, more and more serious air pollution has attracted more and more attention. There are great uncertainties in air pollution and air quality due to their multivariate and spatio-temporal variability, which require extensive and in-depth research and analysis. As a source of air pollution, atmospheric aerosol has become a hot research topic in atmospheric environmental science, including its spatiotemporal distribution, physicochemical properties and origin mechanism. This paper takes Xuzhou City, the central city of Huaihai Economic Zone, and Shijiazhuang, a representative city with serious air pollution in the Beijing-Tianjin-Hebei region, as the research object, combining ground-based observation and satellite remote sensing. The aerosol in the study area was observed and analyzed by satellite-earth joint observation and analysis. In the field of ground-based observation, the CE-318 solar photometer is used to carry out the fixed observation in the study area. At the same time, the mobile observation experiment is carried out by using the MICROTOPS II hand-held solar photometer in the area within the second Ring of Shijiazhuang City. In the aspect of satellite remote sensing, the aerosol optical thickness data (MODIS AOD),) of MODIS is selected. Firstly, the applicability of MODIS AOD in the study area is verified and analyzed by using the ground-based observation data. Then, the spatial distribution difference of aerosol optical thickness in a larger range, including the study area, is analyzed. Through the combination of fixed observation and moving observation, ground-based observation and satellite data, time analysis and spatial analysis, the methods of mathematical statistics and model analysis are used. The optical properties of aerosols in Xuzhou and Shijiazhuang during the observation period, the temporal variation of the aerosol optical properties parameters and the spatial distribution characteristics of aerosol optical thickness are obtained. The spatial distribution of aerosol optical thickness in a wider range, including the study area, is also investigated.
【學(xué)位授予單位】：中國(guó)礦業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X513;X87

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本文編號(hào)：2206454