12-14 September, 2011, Lucknow - Earth Science India

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National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow PRECIPITATION BURST AND GROWTH OF CAPE AT NORTH EAST REGION: AN ANALYSIS THROUGH MODEL AND OBSERVATION Hirak Jyoti Goswami, M. Devi and A.K. Barbara, Bandita Choudhury, Santanu Kalita and Subrat Das Department of Physics, Gauhati University, Guwahati 781014 email: hirakjyoti.goswami@gmail.com In this paper growth and development of burst type precipitation and CAPE, in the entire NE region are analyzed from satellite and ground based data, for understanding physics and dynamical situations involved in the process. The data inputs are wind direction and magnitude, cloud features, precipitation type and thunderstorm magnitude. The paper presents the changes in thunderstorm pattern over this region from 1995 onwards,when instead of its increase in intensity during vernal equinoxial months , the period shifts to August - September in recent years and variations are discussed in terms of SST , wind flow pattern and lapse rate. Track of a few cyclones developed at Bay of Bengal is determined and role of such situation on inducing burst type of precipitation over North Eastern part (NE) is brought in to discussion. For this purpose VARSHA model run at 8-processor Flosolver machine at Gauhati University, is used for track prediction for a few cyclonic cases along with NOAA data. For calculation of precipitation magnitude, the VARSHA model output is compared with IMD and TRMM observation. The analysis presents that zonal wind acts as a good precursor for burst type rain at least five days in advance. The paper also shows that cyclonic situation causes significant burst type rain in southern part of the river Brahmaputra, with magnitude more than 20mm, in cases. CLIMATE CHANGE: ADAPTATION STRATEGIES FOR PROTECTING PEOPLE AND THE ENVIRONMENT Sakshi Kapoor and V.P. Sharma Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research, Lucknow. Climate change is likely to affect most populations in the next decades and put the lives and wellbeing of billions of people at increased risk. There is strong scientific consensus about climate change. We need to monitor, plan and develop adaptation strategies to deal with its impacts. Global trends are becoming apparent, but the exact 90
National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow impacts of climate change at the regional and local levels are not well understood. It is widely accepted that even after introducing significant measures to reduce greenhouse gas emissions, additional global warming is inevitable. This will have a significant global economic, social and environmental impact. Climate change may manifest itself as a shift in mean conditions or as changes in the intensity and frequency of extreme events such as flooding and drought. There is a growing recognition that planning for changes in the intensity and frequency of extreme events may pose the most challenging problems for natural resource managers. While uncertainties remain and must be acknowledged, there is growing confidence in the ability of climate simulation models to provide natural resource managers with useful projections of future climate scenarios to support planning and management activities across a range of space and time scales. Globally, there are two broad policy responses to address climate change is mitigation, which is aimed at slowing down climate change by moderating greenhouse gas emission and adaptation, which is aimed at adjusting resource uses and economic activities in order to moderate potential impacts or to benefit from opportunities associated with climate change. From urban and agricultural water supplies to flood management and aquatic ecosystem protection, global warming is affecting all aspects of water resource management of the world. Rising temperatures, loss of snowpack, escalating size and frequency of flood events, and rising sea levels are just some of the impacts of climate change that have broad implications for the management of natural resources. Bio toxins and degradation products of new chemical entities (NCE’s) may enter the food chain and pose a threat to the environment. As the responsibility of every citizen, we have to tailor interventions to meet the needs of the environmental conditions as well as ensuring the recovery, growth & stabilization of the livelihoods of the individuals or businesses we serve. Climate Change is a global phenomenon that will require collaborative action by individuals, communities, governments, organizations and corporations to bring about meaningful change. The prevention policy incorporates laws regulating the discharge and treatment of sewage. Climate change has an important role to play in direct implementation of adaptation and mitigation programming. The mass dissemination of knowledge can play an important role is to inspire others to work towards the necessary behavioural changes and minimization of nonpoint pollution and primary sources. The holistic approach to understand and take preventive measures is vital for sustainable development. 91
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12-14 September, 2011, Lucknow - Earth Science India

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