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Climatic Trend of Lapse Rate Considering the Impression of AOD over a Tropical Coastal Station | OMICS International| Abstract
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
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  • Research Article   
  • J Earth Sci Clim Change 2014, Vol 0(0)
  • DOI: 10.4172/2157-7617.S11-006

Climatic Trend of Lapse Rate Considering the Impression of AOD over a Tropical Coastal Station

Middey A*, Kumar N and Rao PS
CSIR-National Environmental Engineering Research Institute, , Nehru Marg, Nagpur - 440020, India
*Corresponding Author : Middey A, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur - 440020, India, Tel: 0712-22-49-88-58, Email: [email protected]

Received Date: Apr 21, 2014 / Accepted Date: May 22, 2014 / Published Date: May 25, 2014

Abstract

Changes in boundary layer lapse rate with changing aerosol loading in the atmosphere bring about some interesting information concerning climate feedbacks. Aerosols have direct and indirect effects on climate system by various physical mechanisms. Some of them are well understood while some require more reasoning and interpretations. The present study used satellite derived data of Aerosol Optical Depth (AOD) and Solar Radiation along with radiosonde upper air sounding data over a coastal station Dabolim, Goa (15.38°N, 73.83°E) of India to investigate their effect on changing the boundary layer (upto 850 hPa) lapse rate over the years. Twelve years (2001- 2012) radiosonde winter season (December, January and February) data have been analyzed to develop a multiple linear regression model to predict boundary layer lapse rate over the site and subsequently a univariate Markov chain prediction model is introduced to anticipate the future scenario.

Keywords: Aerosol; Lapse rate; Radiosonde; Markovian model; Climatic trend

Citation: Middey A, Kumar N, Rao PS (2014) Climatic Trend of Lapse Rate Considering the Impression of AOD over a Tropical Coastal Station. J Earth Sci Climat Change S11: 006. Doi: 10.4172/2157-7617.S11-006

Copyright: © 2014 Middey A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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