Dr. Gufran Beig Portal
Dr. Gufran Beig Portal
Dr. Gufran Beig Portal
Dr. Gufran Beig Portal
Dr. Gufran Beig Portal
Dr. Gufran Beig Portal

Talks - Dr. Gufran Beig

Delivered Invited Talks in India and Abroad - Invited Talks (Abroad) : (Total -17)

  • Anthropogenic impacts on the tropospheric chemical constituents over Indian geographical region DKRZ, Max-Plank Institute for Meteorology, Hamburg, Germany, June 16, 2005.
  • Global Change Signals in the mesospheric Temperature: Model versus Observations DKRZ, Max-Plank Institute for Meteorology, Hamburg, Germany, July 21, 2004
  • Global Change Signals in the Middle Atmosphere Institute for Chemistry and Dynamics of the Geosphere I (ICG-I), Research Center Jülich, Germany, July 2, 2004
  • Trends and Solar Responses in Mesospheric and Mesopause Region Temperatures IIIrd international workshop on Long Term Changes and Trends in the Atmosphere Sozopol, Bulgaria, June 11, 2004.
  • Tropospheric Ozone and Secondary Pollutants over Tropical Indian Ocean Institute of Environmental Physics, Universität Bremen, Bremen, Germany, May 13, 2004.
  • Emission Inventories, Chemical modeling and MTTA -Project Max-Plank Institute for Meteorology, Hamburg, Germany, May 10, 2004
  • Mesospheric Response to Solar and Human Induced Forcing General Assembly of IUGG (International Union of Geodesy and Geophysics), Sapporo, Japan, July 10, 2003.
  • Review of Trends in Mesospheric Temperatures General Assembly of IUGG (International Union of Geodesy and Geophysics), Sapporo, Japan, July 8, 2003.
  • Review of Mesospheric Temperature Trends under MTTA Project and Association of Solar Activity with Temperature over India Heraeus Seminar on Trends in the Upper Atmosphere”, Kühlungsborn, Germany, 14th May 2002.
  • An overview of the long-term trends in temperature and composition of the Mesosphere. IAGA-IASPEI - Scientific Assembly, Hanoi, Vietnam, Aug. 19-30, 2001
  • An overview of the mesospheric temperature trend -state of the art and progress report on assessment (MTTA) –Invited Review IInd international workshop on “Long Term Changes and Trends in the Atmosphere”, Prague, Czech Republic, July 2-6, 2001.
  • Global Change Arrived in the Ionosphere ?, National Center for Atmospheric Research, Boulder, Co, USA, November, 1998.
  • Volcanic effect on ozone and ionic composition : 2-D model simulations National Centre for Atmospheric Research, Boulder, Co., USA, July 1995. 
  • A new reference model of stratospheric ion composition : Latitudinal dependence General Assembly of COSPAR, Hamburg, Germany, July 1994.
  • Stratospheric Ionization National Centre for Atmospheric Research, Boulder, Co., USA, July 1991.
  • Measurements of eddy diffusion coefficient in the middle atmosphere University of Stockholm, Stockholm, April 1989.
  • Atmospheric composition measurements at equator and low latitude SABOAC-II, Melbourne, Australia, November 1988.

Invited Talks (India) : (Total -34)

  • Chemical climate change in South East Asia, Winter School on Climate Change & Its Impacts, New Delhi, December 1992.
  • Two dimensional photochemical modelling and future projections, National Symposium on International Geosphere Biosphere Programme, Madras, April, 1993.
  • Atmospheric response to various trace gas scenarios during the last ice age to 21st century, Brain Storming Session on Global Change, Goa, June, 1993.
  • Scenarios, Montreal Protocol and resulting changes in ozone, FASAS - Seminar on Global Environment Chemistry, New Delhi, September, 1993.
  • Solar irradiances, 3rd SERC-School on Chemistry of Atmospheric Environment,  New Delhi, April 1996.
  • Chemical Modelling : I – Models, 3rd SERC-School on Chemistry of Atmospheric Environment, New Delhi, April 1996.
  • Chemical Modelling : II - Scenario, Montreal Protocol and Resulting Changes, 3rd SERC-School on Chemistry of Atmospheric Environment, New Delhi, April 1996.
  • Chemical modelling of NOx and Ozone, National Workshop on Indian Ocean Experiment, New Delhi, August 1996.
  • Stratospheric and Tropospheric Modelling :Global change and changing atmospheric composition, PRL - Golden Jubilee Symposium on Perspectives in Atmospheric Chemistry, Ahmedabad, December, 1996.
  • Chemical modelling of NOx and Ozone, National Workshop on INDOEX (Indian Ocean Experiment), NPL, New Delhi, 19-21 August 1996. Also acted as Rapporteur in a Session on "INDOEX Data Management".
  • Atmospheric Ozone Problem ?, SERC -School at IITM, Pune, India, June, 1997.
  • Chemical Climate Change: Future Projections, In SERC-school at IITM, Pune, India, June 1997.
  • Long term forcing of greenhouse gases and natural events on atmospheric chemical composition, First International workshop on "Long term Changes and trends in the atmosphere", Pune, India, February 1999
  • Long Term temperature trends in the mesopause region for different seasons and the report of an international workshop on "Cooling and Sinking of the Middle Atmosphere, Moscow-98, First International workshop on "Long term Changes and trends in the atmosphere", Pune, India, February 1999.
  • Major Greenhouse Cooling and Chemical Changes in the Middle Atmosphere "National Workshop on Atmospheric Chemistry", Pune, India October 12-14, 1999.
  • Photo-Chemical Modelling of the Middle Atmosphere, In SERC-school held at IITM, Pune, India, June-July, 2000.
  • MGlobal Change and the Middle Atmosphere, In SERC-school held at IITM, Pune, India, June-July, 2000.
  • Modelling of O3, NOx and CO over INDOEX region, INDOEX Workshop on Tropical Environmental Problems, Palampur, October 9-13, 2000.
  • A new approach to the global electric circuit conception and its application to ozone problem, IInd SERC school Proceeding book- "Cloud Physics and Atmospheric Electricity -Frontiers", Pune, India, June-July, 2001.
  • Long Term Trends in Temperature of the Middle Atmosphere over the Tropics, National Space Science Symposium (NSSS-2002), Bhopal, MP, March 25-28, 2002.
  • Chemical-climate change scenario over India with special reference to Himalayan region
  • Brain Storming Session on Mountain Environment and Climate Change, Shimla, H.P., March 14-15, 2003.
  • The Solar Response to the Middle Atmosphere, Workshop /Brain Storming Session on Climate and Weather of Sun-Earth System (CAWSES), Trivandrum, 29-30, October2003
  • Acid Rain and Atmospheric Pollution Modeling, Environmental Information Systems (ENVIS) Workshop, Bhubneshawar, November 8-9, 2003
  • Gridding CO Emissions Over India Using GIS Techniques and modelling ozone pollutants, INDO-US Workshop on modeling the transport of Pollutants, Nagpur, November 11-13, 2003
  • Responses of Global Change in Atmospheric Chemical in Climate, Workshop on "Tropical Atmospheric Chemistry and Aerosols", PRL, Ahmedabad, March 25, 2004.
  • Chemical Modeling for middle and lower atmosphere using Mozart Model, ADCOS Brain Storming meeting on "Chemical Modeling for Climate Change and Air Pollution Studies", Bangalore, September 30, 2004.
  • Greenhouse Cooling of the Atmosphere, India Meteorological Society, IITM, Pune, Nov. 2, 2004.
  • Ozone Pollution: Indian Scenario, IASTA meeting and international conference on Aerosols, Clouds and Indian Monsoon, Kanpur, November 16, 2004.
  • Greenhouse effect in the upper atmosphere, Physical Research Laboratory, Ahmedabad, 11, Nov. 2005.
  • Acid rain and atmospheric pollutants, Evaluation workshop of the Western region, Center for Environmental Education, Ahmedabad, 25-26 Nov. 2005.
  • Ion chemistry in the troposphere and stratosphere, Atmospheric chemistry workshop of DST-PAMC, University of Rajasthan, Jaipur, Sep. 28, 2005
  • Atmospheric trace gases and their environmental and climatic impacts, XIV National Space Science Symposium, Visakhapatnam, 9-12 February, 2006.
  • Atmospheric chemistry and global change, International Geosphere Biosphere Program (IGBP) workshop on Global Change, IITM, Pune, 3 March 2006.
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