Abstract
Geospatial techniques are mediating in decision making, diversified data management and critical analysis. Jatropha Curcas. is a biodiesel crop and friendly to the regions of saline water environment. This study focuses to map the suitable plantation sites for biodiesel energy crop by using meteorological parameters and satellite imageries of ASTER GDEM and Landsat 8. The thematic layers of soil adjacent to existing vegetation, topographical elevation, slope, land surface temperature, and humidity are created and analyzed with soil types, bareness index and stream orders. Suitability of sites for plantation is a function of these variables which are found to be favorable in the study area. It should be taken into consideration that Jatropha Curcas plantation in Karachi which may contribute in local economic prosperity and support in maintaining heat-sink for the industrialized city.
Highlights
In recent past, the scientific research intensified on alternate energy resources and sustainable environment
Jatropha Curcas can be planted on waste, degraded, bare or marginal lands that have previously been declared unsuitable for food crop cultivation and its use does not threaten the food security[16,17]
A pilot study was conducted in Karachi at Pipri Marshaling Yard, Bin Qasim Town, southeast of Karachi, under a joint venture of Pakistan Agriculture Research Council (PARC) and Pakistan State Oil (PSO)[18]
Summary
The scientific research intensified on alternate energy resources and sustainable environment. Wide-scale use of fossil fuels in power generation, transportation, industrial units and other sectors are adding excessive pressure on economy and raising geo-environmental problems such as depleting fossil energy resources, engendering imbalance in subsurface masses, greenhouse effect aggravating global warming and contributing to climate change[1]. Global warming can possibly be reduced by adopting bioenergy resources as renewable energy alternatives[2]. Jatropha Curcas is a renewable energy plant and friendly to the region of saline water environment[6,7] like the coastal city Karachi. The goal of this study is to assess the Karachi region for plantation of Jatropha Curcas To achieve this ontology, different climatic and terrain parameters were considered along with soil type of the study area by utilizing GIS techniques coupled with satellite images
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