Latitudinal distribution of aerosol black carbon and its mass fraction to composite aerosols over peninsular India during winter season

Details Latitudinal distribution of aerosol black carbon and its mass fraction to composite aerosols over peninsular India during winter season Latitudinal distribution of aerosol black carbon and its mass fraction to composite aerosols over peninsular India during winter season

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3408802m&link_type=abstract

Geophysical Research Letters, Volume 34, Issue 8, CiteID L08802

Physics

2

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801, 4906), Atmospheric Composition And Structure: Pollution: Urban And Regional (0305, 0478, 4251), Atmospheric Composition And Structure: Troposphere: Composition And Chemistry, Geochemistry: Composition Of Aerosols And Dust Particles, Atmospheric Processes: Boundary Layer Processes

Scientific paper

During a land campaign to characterise the spatial distribution of aerosols over peninsular India during the winter season, extensive, collocated, and spatially resolved measurements of mass concentration of the composite aerosols (MT) as well as that (MB) of aerosol Black Carbon (BC) were made over different environments (coastal, industrial, urban, village, remote, semiarid) of the western peninsular India. High concentrations of BC, >2.5 μg m-3, were observed along the west coast, from ~8°N up to 14.5°N, and moderate values (1.0 to 2.5 μg m-3) over inland regions from 15 to 18°N. Latitudinally, BC concentration decreased from south to north, @~160 ng m-3 for every degree increase in latitude. The spatial pattern of BC mass fraction differed from that of MB, with regions of high (8 to 16%) ratios spreading more interior, implying higher fractional load of BC at locations where the BC concentrations remain lower.

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