School of Civil and Environmental Engineering, IIT Mandi, Mandi 175005, India.
School of Life and Environmental Sciences, Schmid College of Science and Technology, Chapman University, Orange, CA 92866, USA.
Int J Environ Res Public Health. 2022 Sep 14;19(18):11560. doi: 10.3390/ijerph191811560.
Singrauli region is known as the energy capital of India, as it generates nearly 21 GW of electricity, supplied to various parts of the northern India. Many coal-based Thermal Power Plants (TPPs) using coal from several nearby coal mines, and numerous industries are set up in this region which has made it as one of the highly polluted regions of India. In the present study, detailed temporal analysis and forecast of carbon dioxide (CO), nitrogen dioxide (NO), sulfur dioxide (SO), and methane (CH) concentrations retrieved from satellite data have been carried out for the periods 2005-2020. Based on the classical multiplicative model and using linear regression, the maximum concentration of CO, NO, SO, and CH in the year 2025 is found to be 422.59 ppm, 29.28 ppm, 0.23 DU, and 1901.35 ppbv, respectively. Detailed analysis shows that carbon dioxide has a 95% correlation with all other trace gases. We have also carried out the geo-accumulation index for the presence of various contaminants in the soil of this region. The geo-accumulation index shows that soil in and around thermal power plants and coal mines is contaminated by heavy metals. The cumulative index shows that soil around Hindalco industries, Bina coal mines, Khadia coal mines, and coal-based TPPs (Anpara and Vindhayachal) are highly polluted and a threat to human population living in the region.
辛戈勒里地区被称为印度的能源之都,因为它产生了近 21 吉瓦的电力,供应给印度北部的各个地区。许多以煤炭为燃料的火力发电站(TPP)都从附近的几个煤矿获取煤炭,而该地区还建立了许多工业,这使得它成为印度污染最严重的地区之一。在本研究中,对 2005-2020 年期间从卫星数据中获取的二氧化碳(CO)、二氧化氮(NO)、二氧化硫(SO)和甲烷(CH)浓度进行了详细的时间分析和预测。基于经典的乘法模型,并使用线性回归,发现 2025 年 CO、NO、SO 和 CH 的最大浓度分别为 422.59ppm、29.28ppm、0.23 个无量纲单位和 1901.35ppbv。详细分析表明,二氧化碳与所有其他痕量气体有 95%的相关性。我们还对该地区土壤中存在的各种污染物进行了地质累积指数分析。地质累积指数显示,火力发电站和煤矿周围的土壤受到重金属的污染。累积指数显示,欣德铝厂、比纳煤矿、卡迪亚煤矿和以煤炭为燃料的 TPP(安巴拉和温德亚恰尔)周围的土壤受到高度污染,对居住在该地区的人口构成威胁。