Study in Variation of Ozone Concentration over Indian Subcontinent using Ozone Monitoring Instrument data

Autores/as

  • Nisha Radhakrishnan Dept of Civil Engineering, National Institute of Technology Tiruchirappalli

Palabras clave:

Ozone (O3), Dobson Unit (DU), OMI, Indian subcontinent.

Resumen

The paper gives an overview of a major application of remote sensing satellites in monitoring the ozone concentration present in the atmosphere. Ozone makes a significant contribution to the radiative balance of the upper troposphere and lower stratosphere and is an important constituent in the atmosphere, for it provides a protective shield against the harmful ultraviolet radiations. However, in the recent times, there has been immense debate as to the possibility of long term global ozone depletion due to catalytic reactions in the stratosphere involving chemicals released by anthropogenic activities. Remote sensing of Earth from space has shown its significance in various applications ranging from land uses to atmospheric studies. These satellites have been introduced to encompass various tasks like studying the atmosphere and the various interactions involved, understanding and analysing stratospheric pollution by measurement of various trace gases involved, studying man’s impact on the atmosphere etc. One among the many satellites introduced is the Ozone Monitoring Instrument (OMI), which has been regularly monitoring ozone on a global basis since year 2004. For the present study, ozone data obtained from the instrument has been used to analyse the variability of ozone over selected regions of India during the period from year 2005-2010. The study includes analysis of monthly and yearly variation of ozone over selected regions during the period of study. Keywords: Ozone (O3), Dobson Unit (DU), OMI, Indian subcontinent.

Biografía del autor/a

  • Nisha Radhakrishnan, Dept of Civil Engineering, National Institute of Technology Tiruchirappalli
    Assistant Professor,Dept of Civil Engineering

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Publicado

2011-12-01

Número

Vol. 2 Núm. 2 (2011)

Sección

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