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首页> 外文期刊>Atmospheric environment >Managing future air quality in megacities: Emission inventory and scenario analysis for the Kolkata Metropolitan City, India
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Managing future air quality in megacities: Emission inventory and scenario analysis for the Kolkata Metropolitan City, India

机译：管理未来的巨型空气质量：印度加尔各答大都市城市的排放库存和情景分析

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Air pollution in Indian cities is a serious problem and a threat to human health. Kolkata Metropolitan City (KMC) is one of the Indian metro cities urgently requiring policy interventions to ensure breathable air in the near future. We developed a detailed emissions inventory of key air pollutants for 2015 in KMC, considering both particulate matter (PM10, PM2.5, BC, OC) and gaseous pollutants (SO2, NOx, CO, VOC and NH3). We estimated the emissions in a business-as-usual (BAU) scenario for the year 2030, while accounting for the impacts of current and planned policies. Our results reveal that current policies/measures are not sufficient to reduce PM2.5 emissions substantially in KMC by 2030. We thus explored three alternative policy scenarios considering various emission control strategies and non-technical city-specific control measures, along with associated cost implications. Our results indicate that significant emission reductions can be achieved (35% for PM2.5 and 45% for NOx) by spending (sic)1.15 billion for advanced control measures across various sectors, compared with the business-as-usual scenario, are expected to cost (sic)0.78 billion by 2030. Advanced control measures, coupled with the control of non-technical emission sources, may prove to be the most effective solution, yielding a significant reduction of key air pollutants (51% for PM2.5 and 54% for NOx) with a cost implication of (sic)1.18 billion by 2030. Low carbon policies may also be able to substantially reduce key air pollutants with the additional co-benefit of reduced emissions of greenhouse gas, CO2 by 24% in 2030, with a running cost of (sic)0.70 billion.
机译：印度城市的空气污染是一个严重的问题和对人类健康的威胁。 Kolkata Metropolitan（KMC）是印度地铁城市迫切需要政策干预措施，以确保在不久的将来透气的空气。我们在KMC开发了详细的2015年关键空气污染物的详细排放量，考虑到颗粒物质（PM10，PM2.5，BC，OC）和气态污染物（SO2，NOx，CO，VOC和NH3）。我们估计了2030年的商业和常规（BAU）情景的排放，同时会计对当前和计划政策的影响。我们的研究结果表明，目前的政策/措施在2030年，我们在KMC减少了PM2.5的排放量。因此，我们探讨了三个替代政策情景，考虑到各种排放控制战略和非技术城市特定的控制措施以及相关成本影响。我们的结果表明，通过支出（SIC）在各个部门的先进控制措施中，可以实现显着的排放减排（对于NOx的PM2.5和45％的35％），与各个部门的先进控制措施相比，预计是预期的商业场景成本（SIC）到2030年的0.78亿。加上非技术排放来源的先进控制措施可能被证明是最有效的解决方案，产生关键空气污染物的显着减少（PM2.5的51％和51％ NOx的54％），（SIC）到2030年的成本含义1110亿。低碳政策也可能能够在2030年减少温室气体排放的额外共同益处，在2030年减少24％ ，运行成本为（SIC）0.70亿。

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