Please use this identifier to cite or link to this item: http://idr.nitk.ac.in/jspui/handle/123456789/11657
Title: Heterogeneous microbial oceanographic environments: Application of GIS technology in deciphering of microenvironment scenarios off the central west coast of India
Authors: Raghavan, B.R.
Nayak, S.R.
Shylini, S.K.
Deepthi, T.
Sadatipour, S.M.T.
Chauhan, P.
Srinivasakumar, T.
Lotliker, A.
Venkat, Reddy, D.
Kumaraswami, M.
Ashwini, S.
Nisaj, M.
Issue Date: 2011
Citation: International Journal of Earth Sciences and Engineering, 2011, Vol.4, 3, pp.395-410
Abstract: In the vast oceanic microbial environment of 2468.83km 2, GIS modeling techniques involving sixty query steps, enabled the deciphering of Microenvironments as low as 1.19km 2 to 38.6 km 2 for the summer of 2004 and in case of summer 2005 where 84 query steps were involved to decipher Microenvironments of 10.55km 2 to 25.94km 2. Thirtythree sampling stations were established between Betul to Ankola off the central west coast of India accounting for a spatial coverage of 2468.83km 2. GIS query-modeling investigation was carried out using spatial layers of depth, optical parameters (k-Irradiance attenuation Coefficient, c-Beam attenuation coefficient), sediment size parameters (Sediment Mean Size and Sediment Sorting) and Benthic Foraminifera Suborders (Rotaliina, Textulariina, Miliolina, Lagenina). Foraminifera have been used as a surrogate parameter. However, any microbial parameter could proxy for foraminifers providing for the numerical deciphering of microenvironments. This is suggestive of the assimilation of GIS technology for a better appreciation of microbial oceanography. 2011 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.
URI: http://idr.nitk.ac.in/jspui/handle/123456789/11657
Appears in Collections:1. Journal Articles

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