Traffic induced emission estimates and trends (2000-2005) in megacity Delhi

Ajay S. Nagpure; Ketki Sharma; Bhola R. Gurjar

doi:10.1016/j.uclim.2013.04.005

Traffic induced emission estimates and trends (2000-2005) in megacity Delhi

Ajay S. Nagpure, Ketki Sharma, Bhola R. Gurjar

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

Transport sector emission inventory for megacity Delhi has been developed for the period 2000-2005 to quantify vehicular emissions and evaluate the effect of relevant policy reforms on total emissions of various air pollutants like CO₂, CO, HC, NO_x, TSP, SO₂, Pb and VOC's over the years to assist in future policy formulations. Emission factor and vehicle utilization factor based approach as recommended by IPCC (2006) have been used for estimating emissions. CO level were found to increase continuously during the study period, other pollutants like CO₂, TSP, NO_x and SO₂ declined in the initial years, which clearly seem to be the result of stricter emission norms and compressed natural gas conversion of public transport. The levels of NO_x and TSP did not show appreciable rise during the study period, which is an indicator of CNG effectiveness as an alternative fuel. However, two-wheelers population were found to be a major contributor towards the air pollution load.

Original language	English (US)
Pages (from-to)	61-73
Number of pages	13
Journal	Urban Climate
Volume	4
DOIs	https://doi.org/10.1016/j.uclim.2013.04.005
State	Published - Jul 2013

Bibliographical note

Funding Information:
This study was supported by the Max Planck Partner Group for Megacities and Global Change, which is established at IIT Roorkee, India, by the Max Planck Society, Munich, and Max Planck Institute for Chemistry, Mainz, Germany. Authors would like to sincerely thank three anonymous reviewers whose valuable comments and suggestions have greatly improved the manuscript.

Copyright:
Copyright 2013 Elsevier B.V., All rights reserved.

Keywords

Air pollution
Emission inventory
Emission trend
India
Transportation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.uclim.2013.04.005

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abstract = "Transport sector emission inventory for megacity Delhi has been developed for the period 2000-2005 to quantify vehicular emissions and evaluate the effect of relevant policy reforms on total emissions of various air pollutants like CO2, CO, HC, NOx, TSP, SO2, Pb and VOC's over the years to assist in future policy formulations. Emission factor and vehicle utilization factor based approach as recommended by IPCC (2006) have been used for estimating emissions. CO level were found to increase continuously during the study period, other pollutants like CO2, TSP, NOx and SO2 declined in the initial years, which clearly seem to be the result of stricter emission norms and compressed natural gas conversion of public transport. The levels of NOx and TSP did not show appreciable rise during the study period, which is an indicator of CNG effectiveness as an alternative fuel. However, two-wheelers population were found to be a major contributor towards the air pollution load.",

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note = "Funding Information: This study was supported by the Max Planck Partner Group for Megacities and Global Change, which is established at IIT Roorkee, India, by the Max Planck Society, Munich, and Max Planck Institute for Chemistry, Mainz, Germany. Authors would like to sincerely thank three anonymous reviewers whose valuable comments and suggestions have greatly improved the manuscript. Copyright: Copyright 2013 Elsevier B.V., All rights reserved.",

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doi = "10.1016/j.uclim.2013.04.005",

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AU - Gurjar, Bhola R.

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PY - 2013/7

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N2 - Transport sector emission inventory for megacity Delhi has been developed for the period 2000-2005 to quantify vehicular emissions and evaluate the effect of relevant policy reforms on total emissions of various air pollutants like CO2, CO, HC, NOx, TSP, SO2, Pb and VOC's over the years to assist in future policy formulations. Emission factor and vehicle utilization factor based approach as recommended by IPCC (2006) have been used for estimating emissions. CO level were found to increase continuously during the study period, other pollutants like CO2, TSP, NOx and SO2 declined in the initial years, which clearly seem to be the result of stricter emission norms and compressed natural gas conversion of public transport. The levels of NOx and TSP did not show appreciable rise during the study period, which is an indicator of CNG effectiveness as an alternative fuel. However, two-wheelers population were found to be a major contributor towards the air pollution load.

AB - Transport sector emission inventory for megacity Delhi has been developed for the period 2000-2005 to quantify vehicular emissions and evaluate the effect of relevant policy reforms on total emissions of various air pollutants like CO2, CO, HC, NOx, TSP, SO2, Pb and VOC's over the years to assist in future policy formulations. Emission factor and vehicle utilization factor based approach as recommended by IPCC (2006) have been used for estimating emissions. CO level were found to increase continuously during the study period, other pollutants like CO2, TSP, NOx and SO2 declined in the initial years, which clearly seem to be the result of stricter emission norms and compressed natural gas conversion of public transport. The levels of NOx and TSP did not show appreciable rise during the study period, which is an indicator of CNG effectiveness as an alternative fuel. However, two-wheelers population were found to be a major contributor towards the air pollution load.

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Traffic induced emission estimates and trends (2000-2005) in megacity Delhi

Abstract

Bibliographical note

Keywords

UN SDGs

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