Wednesday, 26 November 2014

Geoinformatic technique GIS, Remote Sensing and GPS contribute exclusive support to Natural Disaster Management


Geoinformatic technique GIS, Remote Sensing and GPS contribute exclusive support to Natural Disaster Management

27 November, 2014, Nagaland, India, USA NEWS CORP

Krishnaiah Y.V., Assistant Professor and Bora R., Research Scholar at Department of Geography, Nagaland University (Central), Lumami-798627, Nagaland, India reported breakthrough concepts on Natural Disaster Management by using Geoinformatic technique GIS, Remote Sensing and GPS. Their research is recently published on prestigious Photon Journal; The Journal of Geography and Geology. Rana Bora and Krishnaiah, Y. V. have received International Geography Award-2014 for their research on Kakodonga river basin. The Kakodonga river basin study area is 1112.57 km2 . The average rainfall of the basin is 1766 mm and total surface of water resources is 1,965,558,000 m3 . A morphometric analysis of Kakodonga river basin has been carried out using geoinformatic techniques for identification of morphological features and extracted drainage net works using GIS and computed morphometric parameters such as linear, areal and relief aspects of the river basin. The perimeter of the study area is 183.06 km and drainage density is low 1.33 km2 . The total length of streams maximum in 1st order and 2nd order streams were dominated in the basin, remain streams decreases as length wise and as stream order increases. The data can be used for basin management, utilize the resources for sustainable development and other hydrological studies in future. After analyzing the Morphometric parameters of Kakodonga River basin reveal so many important factors regarding drainage characteristic and landform of the basin area. The basin is six order basins and overall drainage network shows dendritic pattern. But eastern tributaries of the main river are linear in pattern and some western tributaries shows rectangular pattern. Morphometric analysis also indicates that the basin is having low relief of the terrain and in between elongated and circular in shape. In other words the basin is neither so much elongated nor circular. The fingertip tributaries have high concentration only in a small part of upstream i.e. in Naga Hills. There concentration is very low in other parts i.e. plain area of Assam. The linear pattern of the graphical representation indicates the weathering erosional characteristics of the area under study. The above analysis suggests number insight for choosing various conservation measures for the sustainable management of the basin. Use of high resolution latest CARTOSAT data may help the researchers to find out changes taking place in every inch and for implementation of management measure accordingly. Geoinformatic technique i.e. GIS, Remote Sensing and GPS help us a lot in the analysis part.

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1 comment:

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