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Dr. Harish Gadhavi (India)

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Publications

 
Date Publication
2010 Article: Absorbing aerosols: contribution of biomass burning and implications for radiative forcing
H. Gadhavi and A. Jayaraman
Annales Geophysicae, 28, 103-111
Article: Study of Atmospheric Forcing and Responses (SAFAR) campaign
A. Jayaraman, M. Venkat Ratnam, A. K. Patra, T. Narayana Rao, S. Sridharan, M. Rajeevan, H. Gadhavi, A. P. Kesarkar, P. Srinivasulu and K. Raghunath
Annales Geophysicae, 28, 89-101
2008 Article: Estimates of surface ultraviolet radiation over north America using Geostationary Operational Environmental Satellites observations
H. Gadhavi, R. T. Pinker and I. Laszlo
Journal of Geophysical Research, 113
2006 Article: Airborne lidar study of the vertical distribution of aerosols over Hyderabad, an urban site in central India, and its implication for radiative forcing calculations
H. Gadhavi and A. Jayaraman
Annal. Geophysic, 24, 2461-2470
2006 Article: Physical and optical properties of aerosols over an urban location in western India
Dilip Ganguly, A. Jayaraman and H. Gadhavi
Journal of Geophysical Research, 111
2006 Article: Wintertime aerosol properties during foggy and nonfoggy days over urban center Delhi and their implications for shortwave radiative forcing
Dilip Ganguly, A. Jayaraman, T. A. Rajesh and H. Gadhavi
Journal of Geophysical Research, 111
Article: Spatial variations in aerosol characteristics and regional radiative forcing over India
A. Jayaraman, H. Gadhavi, D. Ganguly, A. Misra, S. Ramachandran and T. A. Rajesh
Atmos. Environ., 40, 6504-6515
Article: Single scattering albedo of aerosols over the central India
Dilip Ganguly, H. Gadhavi, A. Jayaraman, T. A. Rajesh and A. Misra
Geophysical Research Letters, 32
Article: In situ ship cruise measurements of mass concentration and size distribution of aerosols over Bay of Bengal and their radiative impacts
Dilip Ganguly, A. Jayaraman and H. Gadhavi
Journal of Geophysical Research, 110
Article: Features in wavelength dependence of aerosol absorption observed over central India
Dilip Ganguly, A. Jayaraman, H. Gadhavi and T. A. Rajesh
Geophysical Research Letters, 32
2004 Article: Aerosol characteristics and aerosol radiative forcing over Maitri, Antarctica
H. Gadhavi and A. Jayaraman
Current Science, 86, 296-304
2003 Article: Aerosol Optical Depth Variation Observed using Sun-Photometer Over Indore
Pawan Gupta, Harish Gadhavi and A. Jayaraman
Indian Journal of Radio Space Physics, 32, 229-237

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Latest Blog Posts

  • 18.04.2012: Air Quality Monitoring from Space


    Special Issue of Atmospheric Pollution Research (APR) on “Air Quality Monitoring from Space”

    This special issue will be focused on surface air quality monitoring and forecasting using surface and satellite observations of aerosols and trace gases over regional to global scales. In recent years, satellite observations of aerosols and trace gases have shown potential for application to monitor surface air quality with high spatial and temporal resolution over regional to global scales. Authors are encouraged to submit contributions that describe original research results of studies conducted using satellite derived aerosols and trace gases product for monitoring as well as estimation and forecasting of PM2.5, PM10, Ozone, NOx, and SO2 at the surface. Topics will include (but are not limited to): particulate matter observations from space and surface, regional trends of air quality parameters, assimilation of satellite data of aerosols into air quality and regional atmospheric models, transport of aerosols, role of biomass burning and dust aerosols in local air quality, role of local meteorology in estimation of PM2.5 from satellite observations, boundary layer process and their impact on satellite observations, and physical and statistical modeling of air quality, population health and ecological impact assessments driven by satellite data. 


    for more details -- please check the following link
    http://www.atmospolres.com/special.html

    Source: Air Pollution, Aerosols and Clouds in the Climate System

  • 27.07.2011: Which station has longest continuous time series of aerosol related observations?

    Sometime I wonder are there any questions left which Google can not answer? Today I stumble upon one such question, when I was just curious to know which station is oldest running station for aerosol related observations? I know in Barrow,Alaska and South Pole, CMDL is monitoring AOD since 1977. But don't know whether these are the oldest stations. And what about black carbon, surface size distribution, PM10, scattering coefficient. I guess one can expect to get long-time series for PM10 at least.

    Let us compile the list. Leave the name of station and time period in comment, you know for aerosol related obs. are being made from the station.


    Source: Air Pollution, Aerosols and Clouds in the Climate System

  • 25.09.2010: Air Pollution Raises Risk of Sudden Cardiac Arrest: Study --Doctors Lounge

    One more reason to study aerosols. See an interesting article on Doctor's Lounge.

    Air Pollution Raises Risk of Sudden Cardiac Arrest: Study --Doctors Lounge


    Source: Air Pollution, Aerosols and Clouds in the Climate System

  • 27.07.2010: Aerosols can only temporary fix global warming

    an interesting article

    http://timesofindia.indiatimes.com/home/environment/global-warming/Aerosols-can-only-temporary-fix-global-warming-/articleshow/6187668.cms

    Source: Air Pollution, Aerosols and Clouds in the Climate System

  • 16.05.2010: A Smog Blog by NASA

    I remember an incident from early days of my PhD. I was travelling in a train and a fellow passenger asked me what is that I am doing? My reply was, "I study aerosols for their climatic effects". He was thoroughly confused. What he understood from the word "aerosol" was that I am studying gases coming out of aerosol-cans affecting the ozone layer. It was not his fault. There are very few places where aerosols scientist interact with laymen about their research. I guess still the situation may be not be very different from the perspective of layman when he or she hears word "aerosol". Beside aerosol's climatic effects, laymen have many reasons to know about aerosols, if not for the sack of curiosity, for the sack of his/her health. The obvious question is where to get this information particularly in a format that a layman can understand and use it without further processing it.

    Few scientists and students from University of Maryland, Baltimore county have created a blog with the support of NASA to fill this information gap. They have named it "Smog Blog". Find out more about this blog from a video that NASA has created to popularize The Smog Blog.


    Link to Smog Blog
    http://alg.umbc.edu/usaq/

    Link to NASA video about Smog Blog
    http://www.nasa.gov/topics/earth/features/smogblog.html


    Source: Air Pollution, Aerosols and Clouds in the Climate System

  • 17.01.2010: Conference: AOGS, 5-9 July 2010, Hyderabad, India


    Asia Oceanic Geosciences Society will be organizing its 7th Annual Meeting in Hyderabad, India during July 5-9, 2010.

    For more conference details click here

    During this conference, we are hosting a special session on Atmospheric aerosols and their impact on climate and air quality. Please consider contributing to this session.

    The deadline for abstract submission is March 1, 2010.

    Session Description

    SectionAS - Atmospheric Science
    Session TitleMeasurement and Modeling of Atmospheric Aerosols for Climate and Air Quality Applications

    Session DescriptionThe ever-growing population and human activities have led to a rapid and continuous increase in the emission of aerosols and its precursor gases in past several decades. Advancement in aerosol measurements and modeling capabilities in last two decades provides an opportunity to investigate the impact of anthropogenic activities on air quality, solar energy, regional and global climate and hydrological cycle. This session is concerned primarily with aerosols measurements and their application to climate and air quality over global regions. This includes, measurement techniques, data analysis, seasonal and long term trends, ground and space based remote sensing, aerosols and climate, observations related to air quality, use of satellite data for particulate matter monitoring, aerosol model development, model validation using ground and satellite data, assimilation of satellite products into regions and community air quality models. Also include emission of aerosols and its precursors, aerosol properties and radiative effects, aerosol-cloud-precipitation interactions, regional climatic and hydrological effects of aerosol, and impact of climate change and variability on aerosol. Original studies using long-term ground observations, data from field campaigns, satellite measurements, and models are also solicited.

    Source: Air Pollution, Aerosols and Clouds in the Climate System


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