Arid
DOI10.1155/2010/139186
Assessment of Aerosol Radiative Impact over Oceanic Regions Adjacent to Indian Subcontinent Using Multisatellite Analysis
Satheesh, S. K.1; Vinoj, V.2; Krishnamoorthy, K.3
通讯作者Satheesh, S. K.
来源期刊ADVANCES IN METEOROLOGY
ISSN1687-9309
EISSN1687-9317
出版年2010
英文摘要

Using data from Ozone Monitoring Instrument (OMI) and Moderate Resolution Imaging Spectroradiometer (MODIS) instruments, we have retrieved regional distribution of aerosol column single scattering albedo (parameter indicative of the relative dominance of aerosol absorption and scattering effects), a most important, but least understood aerosol property in assessing its climate impact. Consequently we provide improved assessment of short wave aerosol radiative forcing (ARF) (on both regional and seasonal scales) estimates over this region. Large gradients in north-south ARF were observed as a consequence of gradients in single scattering albedo as well as aerosol optical depth. The highest ARF (37Wm(-2) at the surface) was observed over the northern Arabian Sea during June to August period (JJA). In general, ARF was higher over northern Bay of Bengal (NBoB) during winter and premonsoon period, whereas the ARF was higher over northern Arabian Sea (NAS) during the monsoon and postmonsoon period. The largest forcing observed over NAS during JJA is the consequence of large amounts of desert dust transported from the west Asian dust sources. High as well as seasonally invariant aerosol single scattering albedos (similar to 0.98) were observed over the southern Indian Ocean region far from continents. The ARF estimates based on direct measurements made at a remote island location, Minicoy (8.3 degrees N, 73 degrees E) in the southern Arabian Sea are in good agreement with the estimates made following multisatellite analysis.


类型Article
语种英语
国家India ; USA
收录类别SCI-E
WOS记录号WOS:000208403000002
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/162950
作者单位1.Indian Inst Sci, Divecha Ctr Climate Change, Bangalore 560012, Karnataka, India;
2.Pacific NW Natl Lab, Richland, WA 99352 USA;
3.Vikram Sarabhai Space Ctr, Space Phys Lab, Thiruvananthapuram 695022, Kerala, India
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Satheesh, S. K.,Vinoj, V.,Krishnamoorthy, K.. Assessment of Aerosol Radiative Impact over Oceanic Regions Adjacent to Indian Subcontinent Using Multisatellite Analysis[J],2010.
APA Satheesh, S. K.,Vinoj, V.,&Krishnamoorthy, K..(2010).Assessment of Aerosol Radiative Impact over Oceanic Regions Adjacent to Indian Subcontinent Using Multisatellite Analysis.ADVANCES IN METEOROLOGY.
MLA Satheesh, S. K.,et al."Assessment of Aerosol Radiative Impact over Oceanic Regions Adjacent to Indian Subcontinent Using Multisatellite Analysis".ADVANCES IN METEOROLOGY (2010).
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