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Wind energy potential mapping in Karnataka, India, using GIS

Ramachandra, TV and Shruthi, BV (2005) Wind energy potential mapping in Karnataka, India, using GIS. In: Energy Conversion and Management, 46 (9-10). pp. 1561-1578.

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Increasing negative effects of fossil fuel combustion on the environment in addition to limited stock have forced many countries to explore and change to environmentally friendly alternatives that are renewable to h sustain the increasing energy demand. Changing to renewable sources and implementation of effective conservation measures would ensure sustainability. Currently, wind energy is one of the fastest developing renewable energy source technologies across the globe. Wind energy is an alternative clean energy source compared to fossil fuel, which pollute the lower layer of the atmosphere. It has the advantage of being harnessed on a local basis for application in rural and remote areas. In order to tap the potential of wind energy sources, there is a need to assess the availability of the resources spatially. Mapping potential sites for tapping wind energy in Karnataka (a federal State in India) is the focus of this study. The study employs the geographical information system (GIS) to map the wind energy resources of Karnataka state and analyse their variability considering spatial and seasonal aspects. Considering these, the present status of the potential is assessed and maps of locations suitable for tapping wind energy have been prepared. A spatial data base with data of wind velocities has been developed and used for evaluation of the theoretical potential through continuous monitoring and mapping of the wind resources. The study shows that the average wind velocity in Karnataka varies from 0.85m/s in Bagalkote to 8.28m/s in Chikkodi during the monsoon season. Chikkodi, in Belgaum district, has high wind velocity during the period May to September with a peak value of 9.18 m/s in July. Agroclimatic zone wise analysis shows that the northern dry zone and the central dry zone are ideally suited for harvesting wind energy for regional economic development.

Item Type: Journal Article
Publication: Energy Conversion and Management
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Wind velocity;Wind energy potential;GIS;Agroclimatic zones.
Department/Centre: Division of Mechanical Sciences > Centre for Sustainable Technologies (formerly ASTRA)
Division of Biological Sciences > Centre for Ecological Sciences
Date Deposited: 07 Jan 2010 12:48
Last Modified: 19 Sep 2010 04:57
URI: http://eprints.iisc.ac.in/id/eprint/17439

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