Surprising observation of large anthropogenic aerosol fraction over the "near-pristine" southern Bay of Bengal: Climate implications

Journal of Geophysical Research Atmospheres

Volumn 115, Issue 21, 2010, Pages

  Nair, Vijayakumar S ^a   Satheesh, S K ^b   Moorthy, K Krishna ^a   Babu, S Suresh ^a   Nair, Prabha R ^a   George, Susan K ^a  

^a INDIAN SPACE RESEARCH ORGANISATION   (India)

^b INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC BOUNDARY LAYER; GAS FUEL ANALYSIS; TROPOSPHERE;

AEROSOL LOADING; AEROSOL OPTICAL DEPTHS; AEROSOL PARAMETERS; AEROSOL SYSTEMS; AIR MASS; ANTHROPOGENIC ACTIVITY; ANTHROPOGENIC AEROSOLS; ANTHROPOGENIC SOURCES; BAY OF BENGAL; DIRECT RADIATIVE FORCING; FOCUSED FIELDS; MARINE ATMOSPHERIC BOUNDARY LAYER; OCEANIC REGIONS; OFF-LINE ANALYSIS; RADIATION BUDGET; SOUTHERN LATITUDES; SPATIAL VARIATIONS; TOP OF THE ATMOSPHERES; VERTICAL COLUMNS;

ATMOSPHERIC AEROSOLS;

AEROSOL; AIRCRAFT; ANTHROPOGENIC SOURCE; BOUNDARY LAYER; HUMAN ACTIVITY; INTEGRATED APPROACH; LATITUDE; MARINE ENVIRONMENT; MEASUREMENT METHOD; OBSERVATIONAL METHOD; OPTICAL DEPTH; RADIATION BALANCE; RADIATIVE FORCING; SATELLITE IMAGERY; SPATIAL VARIATION;

BAY OF BENGAL; INDIAN OCEAN;

EID: 78149295092     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2010JD013954     Document Type: Article

References (58)

1. Alappattu, D. P., and P. K. Kunhikrishnan (2009), Premonsoon estimates of convective available potential energy over the oceanic region surrounding the Indian subcontinent, J. Geophys. Res., 114, D08108, doi:10.1029/2008JD011521.
2. Aloysius, M., M. Mohan, S. S. Babu, V. S. Nair, K. Parameswaran, and K. K. Moorthy (2008), Influence of circulation parameters on the AOD variations over the Bay of Bengal during ICARB, J. Earth. Syst. Sci., 117, 353-360.
3. Anderson, T. L., and J. A. Ogren (1998), Determining aerosol radiative properties using the TSI 3563 integrating nephelometer, Aerosol Sci. Technol., 29, 57-69.
4. Anderson, T. L., et al (1996), Performance characteristics of a high-sensitivity, three-wavelength, total scatter/backscatter Nephelometer, J. Atmos. Oceanic Technol., 13, 967-986.
5. Anderson, T. L., et al (2005), An A-train strategy for quantifying direct climate forcing by anthropogenic aerosols, Bull. Am. Meteor. Soc., 86, 1795-1809.
6. Arnott, W. P., et al (2005), Towards aerosol light-absorption measurements with a 7-wavelength aethalometer: Evaluation with a photoacoustic instrument and 3-wavelength nephelometer, Aerosol Sci. Technol, 39 (1), 17-29, doi:10.1080/027868290901972. (Pubitemid 40095659)
7. Babu, S. S., S. K. Satheesh, and K. K. Moorthy (2002), Aerosol radiative forcing due to enhanced black carbon at an urban site in India, Geophys. Res. Lett, 29 (18), 1880, doi:10.1029/2002GL015826.
8. Badarinath, K. V. S., S. K. Kharol, D. G. Kaskaoutis, and H. D. Kambezidis (2007), Case study of a dust storm over Hyderabad area, India: Its impact on solar radiation using satellite data and ground measurements, Sci. Total Environ., 384, 316-332.
9. Beegum, S. N., et al (2009), Spatial distribution of aerosol black carbon over India during pre-monsoon season, Atmos. Environ., 43, 1071-1078.
10. Bellouin, N., O. Boucher, J. Haywood, and M. Reddy (2005), Global estimates of aerosol direct radiative forcing from satellite measurements, Nature, 438, 1138-1140, doi:10.1038/nature04348. (Pubitemid 41831680)
11. Chung, C. E., V. Ramanathan, D. Kim, and I. Podgomy (2005), Global anthropogenic aerosol direct forcing derived from satellite and ground-based observations, J. Geophys. Res., 110, D24207, doi:10.1029/2005JD006356. (Pubitemid 43169409)
12. Chylek, P., M. K. Dubey, U. Lohmann, V. Ramanathan, Y. J. Kaufman, G. Lesins, J. Hudson, G. Altmann, and S. C. Olsen (2006), Aerosol indirect effect over the Indian Ocean, Geophys. Res. Lett., 33, L06806, doi:10.1029/ 2005GL025397.
13. Corrigan, C. E., et al (2006), Impact of monsoon transition on the physical and optical properties of aerosols, J. Geophys. Res., 111, D18208, doi:10.1029/2005JD006370.
14. d'Almeida, G. A., P. Koepke, and E. P. Shettle (1991), Atmospheric Aerosols: Global Climatology and Radiative Characteristics, 561 pp., A. Deepak, Hampton, Va.
15. Dileep Kumar, M., D. M. Shenoy, V. V. S. S. Sarma, M. D. George, and M. Dandekar (2002), Export fluxes of dimethylsulfoniopropionate and its break down gases at the air-sea interface, Geophys. Res. Lett., 29 (2), 1021, doi:10.1029/2001GL013967.
16. Endresen, Ø., E. Sørgard, J. K. Sundet, S. B. Dalsøren, I. S. A. Isaksen, T. F. Berglen, and G. Gravir (2003), Emission from international sea transportation and environmental impact, J. Geophys. Res., 108 (D17), 4560, doi:10.1029/2002JD002898.
17. Ganguly, D., A. Jayaraman, and H. Gadhavi (2005), In situ ship cruise measurements of mass concentration and size distribution of aerosols over Bay of Bengal and their radiative impacts, J. Geophys. Res., 110, D06205, doi:10.1029/2004JD005325. (Pubitemid 40771626)
18. George, S. K., and P. R. Nair (2008), Aerosol mass loading over the marine environment of Arabian Sea during ICARB: Sea-salt and non-sea-salt components, J. Earth Sys. Sci., 117 (S1), 333-344, doi:10.1007/s12040-008-0036- 8.
19. Girolamo, L., T. C. Bond, D. Bramer, D. J. Diner, F. Fettinger, R. A. Kahn, J. V. Martonchik, M. V. Ramana, V. Ramanathan, and P. J. Rasch (2004), Analysis of multiangle imaging spectro-radiometer (MISR) aerosol optical depths over greater India during winter 2001-2004, Geophys. Res. Lett, 31, L23115, doi:10.1029/2004GL021273. (Pubitemid 40482423)
20. Hess, M., P. Koepke, and I. Schult (1998), Optical properties of aerosols and clouds: The software package OPAC, Bull. Amer. Meteor. Soc, 79, 831-844.
21. Ichoku, C, et al (2002), Analysis of the performance characteristics of the five-channel Microtops II Sun photometer for measuring aerosol optical thickness and precipitable water vapor, J. Geophys. Res., 107 (D13), 4179, doi:10.1029/2001JD001302. (Pubitemid 43197331)
22. Intergovernmental Panel on Climate Change (IPCC) (2007), Changes in Atmospheric Constituents and Radiative forcing, in Climate Change 2007, Cambridge University Press, New York.
23. Jethva, H., S. K. Satheesh, and J. Srinivasan (2005), Seasonal variability of aerosols over the Indo-Gangetic basin, J. Geophys. Res., 110, D21204, doi:10.1029/2005JD005938. (Pubitemid 41825027)
24. Kalapureddy, M. C. R., and P. C. S. Devara (2008), Characterization of aerosols over oceanic regions around India during pre-monsoon 2006, Atmos. Environ., 42, 6816-6827, doi:10.1016/j.atmosenv.2008.05.022.
25. Kalapureddy, M. C. R., D. G. Kaskaoutis, P. Ernest Raj, P. C. S. Devara, H. D. Kambezidis, P. G. Kosmopoulos, and P. T. Nastos (2009), Identification of aerosol type over the Arabian Sea in the pre-monsoon season during the ICARB campaign, J. Geophys. Res., 114, D17203, doi:10.1029/2009JD011826.
26. Kambezidis, H. D., and D. G. Kaskaoutis (2008), Aerosol climatology over four AERONET sites: An overview, Atmos. Environ., 42, 1892-1906.
27. Kaufman, Y. J., O. Boucher, D. Tanre, M. Chin, L. Remer, and T. Takemura (2005), Aerosol anthropogenic component estimated from satellite data, Geophys. Res. Lett, 32, L17804, doi:10.1029/2005GL023125. (Pubitemid 41536238)
28. Kleidman, R. G., N. T. O'Neill, L. A. Remer, Y. J. Kaufman, T. F. Eck, D. Tanré, O. Dubovik, and B. N. Holben (2005), Comparison of Moderate Resolution Imaging Spectroradiometer (MODIS) and Aerosol Robotic Network (AERONET) remote-sensing retrievals of aerosol fine mode fraction over ocean, J. Geophys. Res., 110, D22205, doi:10.1029/2005JD005760. (Pubitemid 43051314)
29. Kumar, A., A. K. Sudheer and M. M. Sarin (2008), Chemical characteristics of aerosols in MABL of Bay of Bengal and Arabian Sea during spring inter-monsoon: A comparative study, J. Earth Syst. Sci, 117 (S1), 325-332.
30. McComiskey, A., S. E. Schwartz, B. Schmid, H. Guan, E. R. Lewis, P. Ricchiazzi, and J. A. Ogren (2008), Direct aerosol forcing: Calculation from observables and sensitivities to inputs, J. Geophys. Res., 113, D09202, doi:10.1029/2007JD009170.
31. Moorthy, K. K., S. S. Babu, and S. K. Satheesh (2003), Aerosol spectral optical depths over the Bay of Bengal: Role of transport, Geophys. Res. Lett., 30 (5), 1249, doi:10.1029/2002GL016520.
32. Moorthy, K. K., S. S. Babu, and S. K. Satheesh (2005a), Aerosol characteristics and radiative impacts over the Arabian Sea during the intermon-soon season: Results from ARMEX field campaign, J. Atmos. Sci., 62, 192-206, doi:10.1175/JAS-3378.1. (Pubitemid 40195750)
33. Moorthy, K. K., S. K. Satheesh, S. S. Babu, and A. Saha (2005b), Large latitudinal gradients and temporal heterogeneity in aerosol black carbon and its mass mixing ratio over southern and northern oceans observed during a trans-continental cruise experiment, Geophys. Res. Lett., 32, L14818, doi:10.1029/2005GL023267. (Pubitemid 41372638)
34. Moorthy, K. K., S. K. Satheesh, S. S. Babu, and C. B. S. Dutt (2008), Integrated campaign for aerosols, gases and radiation budget (ICARB): An overview, J. Earth. Syst. Sci., 117, 243-262.
35. Moorthy, K. K., V. S. Nair, S. S. Babu, and S. K. Satheesh (2009), Spatial and vertical heterogeneities of aerosol radiative forcing over the oceanic regions surrounding the Indian peninsula: climate implications, Q. J. R. Meteorol. Soc., 135, 2131-2145.
36. Nair, V. S., S. S. Babu, and K. Krishna Moorthy (2008a), Aerosol characteristics in the marine atmospheric boundary layer over the Bay of Bengal and Arabian Sea during ICARB: Spatial distribution, latitudinal and longitudinal gradients, J. Geophys. Res., 113, D15208, doi:10.1029/2008JD009823.
37. Nair, V. S., S. Suresh Babu, and K. Krishna Moorthy (2008b), Spatial distribution and spectral characteristics of aerosol single scattering albedo over the Bay of Bengal inferred from shipborne measurements, Geophys. Res. Lett., 35, L10806, doi:10.1029/2008GL033687.
38. Nair, V. S., K. K. Moorthy, S. Suresh Babu (2009), Optical and physical properties of atmospheric aerosols over the Bay of Bengal during ICARB, J. Atmos. Sci., 66 (9), 2640-2658, doi:10.1175/2009JAS3032.1.
39. Patra, P. K., M. D. Kumar, N. Mahowald, and V. V. S. S. Sarma (2007), Atmospheric deposition and surface stratification as controls of contrasting chlorophyll abundance in the North Indian Ocean, J. Geophys. Res., 112, C05029, doi:10.1029/2006JC003885.
40. Pillai, P. S., and K. K. Moorthy (2001), Aerosol mass-size distributions at a tropical coastal environment: Response to mesoscale and synoptic scale processes, Atmos. Environ., 35, 4099-4112, doi:10.1016/S1352-2310(01)00211-4. (Pubitemid 32600873)
41. Porter, J. N., M. Miller, C. Pietras, and C. Motell (2001), Ship-based Sun photometer measurements using microtops Sun photometers, J. Atmos. Oceanic Technol., 18, 765-774.
42. Quinn, P. K., D. J. Coffman, and T. S. Bates (2002), Aerosol optical properties during INDOEX1999: Means, variability, and controlling factors, J. Geophys. Res., 107 (D19), 8020, doi:10.1029/2000JD000037. (Pubitemid 44793909)
43. Ramanathan, V., et al (2001), Indian Ocean experiment: An integrated analysis of the climate forcing and effects of the great Indo-Asian haze. J. Geophys. Res., 106 (D22), 28,371-28,398, doi:10.1029/2001JD900133.
44. Rastogi, N., and M. M. Sarin (2009), Quantitative chemical composition and characteristics of aerosols over western India: One-year record of temporal variability, Atmos. Environ., 43, 3481-3488.
45. Remer, L. A., et al (2009), Executive Summary, in Atmospheric Aerosol Properties and Climate Impacts, A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, edited by Mian Chin, Ralph A. Kahn, and Stephen E. Schwartz, National Aeronautics and Space Administration, Washington, D. C.
46. Ricchiazzi, P., S. Yang, C. Gautier, D. Sowle (1998), SBDART: A research and teaching software tool for plane-parallel radiative transfer in the Earths atmosphere, Bull. Am. Meteorol. Soc., 79(10), 2101-2114.
47. Satheesh, S. K. (2002) Radiative forcing by aerosols over Bay of Bengal region, Geophys. Res. Lett., 29 (22), 2083, doi:10.1029/2002GL015334.
48. Satheesh, S. K., J. Srinivasan, and K. K. Moorthy (2006), Spatial and temporal heterogeneity in aerosol properties and radiative forcing over Bay of Bengal: Sources and role of aerosol transport, J. Geophys. Res., 111, D08202, doi:10.1029/2005JD006374.
49. Satheesh, S. K., K. K. Moorthy, S. S. Babu, V. Vinoj, V. S. Nair, S. N. Beegum, C. B. S. Dutt, D. P. Alappattu, and P. K. Kunhikrishnan (2009), Vertical structure and horizontal gradients of aerosol extinction coefficients over coastal India inferred from airborne lidar measurements during the Integrated Campaign for Aerosols, gases and Radiation Budget (ICARB) field campaign, J. Geophys. Res., 114, D05204, doi:10.1029/2008JD011033.
50. Schwartz, S. E., Harshvardhan, and C. M. Benkovitz (2002), Influence of anthropogenic aerosol on cloud optical depth and albedo shown by satellite measurements and chemical transport modeling, Proc. Natl Acad. Sci., 1784-1789, doi:10.1073-pnas.261712099, 99. (Pubitemid 34168968)
51. Shettle, E. P., and R. W. Fenn (1979), Models for the aerosols of the lower atmosphere and the effects of humidity variations on their optical properties, AFGL-TR-79-0214, 94 pp.
52. Smirnov, A., B. N. Holben, Y. J. Kaufman, O. Dubovic, T. F. Eck, I. Slutsker, C. Pietras, and R. N. Halthore (2002), Optical properties of atmospheric aerosol in Maritime Environments, J Atmos. Sci., 59, 501-523. (Pubitemid 34838320)
53. Stamnes, K., et al (1988), Numerically stable algorithm for discrete-ordinate method radiative transfer in multiple scattering and emitting layered media, Appl. Opt., 27, 2502-2509.
54. Sudheer, A. K., and M. M. Sarin (2008), Carbonaceous aerosols in MABL of Bay of Bengal: Influence of continental outflow, Atmos. Environ., 42(18), 4089-4100.
55. Yu, H., et al (2006), A review of measurement based assessments of aerosol direct radiative effect and forcing, Atmos. Chem. Phys., 6, 613-666.
56. Yu, H. B., M. Chin, L. A. Remer, R. G. Kleidman, N. Bellouin, H. S. Bian, and T. Diiehl (2009) Variability of marine aerosol fine mode fraction and estimates of anthropogenic aerosol component over cloud free oceans from the Moderate Resolution Imaging Spectroradiometer (MODIS), J. Geophys. Res., 114, D10206, doi:10.1029/2008JD010648.
57. Vinoj, V., S. S. Babu, S. K. Satheesh, K. Moorthy, and Y. J. Kaufman (2004), Radiative forcing by aerosols over the Bay of Bengal region derived from shipborne, island-based, and satellite (Moderate-Resolution Imaging Spectroradiometer) observations, J. Geophys. Res., 109, D05203, doi:10.1029/2003JD004329.
58. Weingartner, E., et al (2003), Absorption of light by soot particles: Determination of the absorption coefficient by means of aethalometers, J. Aerosol Sci., 34, 1445-1463.