Impact of Aila on the Dissolved Oxygen Level in the Indian Sundarbans Region

Forfattere

  • Sufia Zaman Faculty Member, Department of Marine Science University of Calcutta Kolkata
  • Sangita Agarwal
  • Ankita Mitra
  • Gahul Amin
  • Prosenjit Pramanick
  • Abhijit Mitra

Resumé

The Indian Sundarban delta complex is one of the hot spots of biodiversity in the Indian subcontinent sustaining some 34 species of true mangrove flora. The aquatic phase is saturated with dissolved oxygen (DO) and the average values in the present study area, Ajmalmari (considered on the basis of 3 decades; 1984–2014) are 5.81 ppm, 6.43 ppm and 6.13 ppm in premonsoon, monsoon and postmonsoon seasons respectively. These values include the DO levels during Aila, a supercyclone that hit the West Bengal coast on 25th May 2009. We observed a pronounced variation in an exponential regression equation between the data sets with and without considering the DO level during Aila. Almost similar R2 values of exponential regression equations during monsoon and postmonsoon phases confirm the anomalous behavior of DO due to cyclonic storms (in premonsoon) in the inshore region of Bay of Bengal.  Keywords: Indian Sundarbans, Dissolved Oxygen (DO), Aila, R2 Cite this ArticleSufia Zaman, Sangita Agarwal, Ankita Mitra et al. Impact of Aila on the Dissolved Oxygen Level in the Indian Sundarbans Region. Journal of Energy Environment and Carbon Credits.  2015; 5(3): 30–33p

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2015-11-05

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Årg. 5 Nr. 3 (2015)

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Research Articles

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