Study of spectral characteristics of black carbon from biomass burning and source apportionment over Agartala in the northeastern India

Environmental Science and Pollution Research International
Parminder KaurAnirban Guha

Abstract

We have studied the black carbon (BC) mass concentrations, contributions from Fossil Fuels (FF), and Biomass burning (BB) to total BC mass concentrations using a 7-wavelength Aethalometer (Model, AE-31; Make, Magee Scientific, USA) at a rural continental location in the northeastern India. We have taken the continuous measurements of BC from January 2011 to December 2017 (excluding the year 2016 due to nonavailability of data). The annual mean BC concentration at 880 nm is observed maximum 12.56±5.06 µgm-3 in the year 2011 with a minimum of 7.26±2.76 µgm-3 during the year 2015." is the final sentence. BC, BCff, and BCbb mass concentrations show significant variation during morning, afternoon, evening, and night hours. The significant monthly, seasonal, and annual variabilities in the BC concentration, equivalent BC from FF and BB, are due to seasonal change in the emission sources, boundary layer dynamics, and dispersion and dilution conditions. The determination of Angstrom exponent (α) for the BC emitted during burning of different biofuels by performing a burning experiment is an important part of the present study. We have conducted a survey in and around the study location to know the different biofuels used by the people ...Continue Reading

References

Sep 14, 2014·Environmental Science and Pollution Research International·S TiwariG Pandithurai
Feb 12, 2017·Environmental Science and Pollution Research International·T A Rajesh, S Ramachandran
Jul 20, 2018·The Science of the Total Environment·Amirhosein MousaviConstantinos Sioutas

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