Please use this identifier to cite or link to this item:
Title: A study on the transport and distribution of atmospheric aerosols and its influence on regional meteorological parameters over the Indian subcontinent
Researcher: Abish, B
Guide(s): Mohankumar, K
Keywords: Atmospheric Aerosols
Remote sensing
Time series Analysis
Atmospheric Sciences
Upload Date: 24-Apr-2012
University: Cochin University of Science and Technology
Completed Date: April, 2011
Abstract: This doctoral thesis addresses the growing concern about the significant changes in the climatic and weather patterns due to the aerosol loading that have taken place in the Indo Gangetic Plain (IGP) which includes most of the Northern Indian region. The study region comprises of major industrial cities in India (New Delhi, Kanpur, Allahabad, Jamshedpur and Kolkata). Northern and central parts of India are one of the most thickly populated areas in the world and have the most intensely farmed areas. Rapid increase in population and urbanization has resulted in an abrupt increase in aerosol concentrations in recent years. The IGP has a major source of coal; therefore most of the industries including numerous thermal power plants that run on coal are located around this region. They inject copious amount of aerosols into the atmosphere. Moreover, the transport of dust aerosols from arid locations is prevalent during the dry months which increase the aerosol loading in the atmosphere. The topography of the place is also ideal for the congregation of aerosols. It is bounded by the Himalayas in the north, Thar Desert in the west, the Vindhyan range in the south and Brahmaputra ridge in the east. During the non-monsoon months (October to May) the weather in the location is dry with very little rainfall. Surface winds are weak during most of the time in this dry season. The aerosols that reach the location by means of long distance transport and from regional sources get accumulated under these favourable conditions. The increase in aerosol concentration due to the complex combination of aerosol transport and anthropogenic factors mixed with the contribution from the natural sources alters the optical properties and the life time of clouds in the region. The associated perturbations in radiative balance have a significant impact on the meteorological parameters and this in turn determines the precipitation forming process.
Pagination: viii, 182p.
Appears in Departments:Department of Atmospheric Sciences

Files in This Item:
File Description SizeFormat 
01_title.pdfAttached File97.16 kBAdobe PDFView/Open
02_dedication.pdf72.05 kBAdobe PDFView/Open
03_declaration.pdf79.56 kBAdobe PDFView/Open
04_acknowledgements.pdf119.45 kBAdobe PDFView/Open
05_contents.pdf199.8 kBAdobe PDFView/Open
06_preface.pdf114.79 kBAdobe PDFView/Open
07_list of tables & figures.pdf203.51 kBAdobe PDFView/Open
08_chapter 1.pdf867.95 kBAdobe PDFView/Open
09_chapter 2.pdf590.58 kBAdobe PDFView/Open
10_chapter 3.pdf3.87 MBAdobe PDFView/Open
11_chapter 4.pdf384.25 kBAdobe PDFView/Open
12_chapter 5.pdf827.54 kBAdobe PDFView/Open
13_chapter 6.pdf873.31 kBAdobe PDFView/Open
14_chapter 7.pdf125.25 kBAdobe PDFView/Open
15_references.pdf233.14 kBAdobe PDFView/Open
16_list of publications.pdf79.63 kBAdobe PDFView/Open

Items in Shodhganga are protected by copyright, with all rights reserved, unless otherwise indicated.