Indian Streams Research Journal Rahul Shriram Sudke Devi Ahilya Vishwavidyalaya, Indore S.KANNAN...
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Impact Factor : 0.2105 ISSN No : 2230-7850
Monthly Multidisciplinary Research Journal
Vol III Issue IV May 2013
Mohammad Hailat Dept. of Mathmatical Sciences, University of South Carolina Aiken, Aiken SC 29801
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Alka Darshan Shrivastava Shaskiya Snatkottar Mahavidyalaya, Dhar
Rahul Shriram Sudke Devi Ahilya Vishwavidyalaya, Indore
S.KANNAN Ph.D , Annamalai University,TN
Satish Kumar Kalhotra
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Welcome to ISRJ ISSN No.2230-7850
Indian Streams Research Journal is a multidisciplinary research journal, published monthly in English, Hindi & Marathi Language. All research papers submitted to the journal will be double - blind peer reviewed referred by members of the editorial Board readers will include investigator in universities, research institutes government and industry with research interest in the general subjects.
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Title : Source:Indian Streams Research Journal [2230-7850] yr:2013 vol:3 iss:4
CHANGING COURSE OF SUBARNAREKHA RIVER AND ITS SOCIETAL IMPACT-A CASE STUDY OF GOPIBALLAVPUR-I & II BLOCK USING GEOINFORMATICS MJATISANKAR BANDYOPADHYAY , KARTIC BERA AND KRISHNA DUBEY
Volume 3, Issue. 4, May. 2013 Indian Streams Research Journal
Remote Sensing & GIS, River course change, Sinuosity Index (SI), Meander, Braiding Index (BI), Non Braided River, etc.
Changing course of rivers is a natural phenomenon. Shifting of course by a river is an integral part of the alleviation process in a river valley that is responsible for the formation of vast plains on the earth surface. When a river leaves its existing course and takes a new course to maintain its flow it is termed as shifting or change of course. Changes in the course in the course of a river can be attributed to geologic, geomorphic, climatic and hydrologic factors or to human interference or combination of the two or more factors together as well (Debnath, 2007).
2. STUDY AREA:
The Study area is under two blocks namely Gopiballavpur– I and Gopiballavpur –II, contain 216 and 192 Mouza .Total Mouza number of the study area is 408. This 408 Mouja situated under 14 Gram
River is the natural flow of water from upland to plane land. The flow characteristics depend on the various factors of nature i.e. source of water, climatic condition, and topography, type of soil, geology, forest, land use / land cover and human activities. The present paper will focus on course change with societal perspective of Subarnarekha river in Gopiballavpur- I and II block. The study carried out on Geoinformatics and field observation environments. Remote Sensing and GIS analysis and Sinuosity index were used in this study to investigate river meandering and the associated processes of erosion of river bank and islands, deposition of sediments and formation of new island. The analysis shows that the Subarnarekha river is a meandering river. The analysis of Braiding index and result this index the Subarnarekha river are non braided river in the study area. The lateral erosion on the river banks led to a decrease in agricultural lands bordering the river banks and decrease in the areas of the river islands which in turn reduces the agricultural production. The study also suggests that the local people cause of river shifting and management the natural resources.
CHANGING COURSE OF SUBARNAREKHA RIVER AND ITS SOCIETAL IMPACT-A CASE STUDY OF
GOPIBALLAVPUR-I & II BLOCK USING GEOINFORMATICS
JATISANKAR BANDYOPADHYAY , KARTIC BERA AND KRISHNA DUBEY
Assistant Professor, Department of Remote Sensing & GIS, Vidyasagar University, Paschim Medinipur, Midnapore
Senior Research Scholar, Department of Remote Sensing & GIS, Vidyasagar University, Paschim Medinipur, Midnapore
Krishna Dubey, M.Sc final semester, Department of Remote Sensing & GIS, Vidyasagar University, Paschim Medinipur, Midnapore
Available online at www.isrj.net DOI : 10.9780/2230-7850/342013/2435
Panchayet, under District-Paschim Medinipur, West Bengal. Geographical area of Gopiballavpur - I block is 275.83 sq. km and Gopiballavpur – II block 201.77 sq. km. The study area Geographically situated within 22°13'N to 220 22' N latitude, 86° 43´E? to 86°59'E longitude (SOI toposheet no – 73 J/16, 73 N/4,73 N/3, 73 J/12, 73 J/15). The study area is surrounded by different states. The south portion of the study area is surrounded by Orissa and the North-West portion is covered by Jharkhand. The remaining portion of the study area is surrounded by the different Blocks (Nayagram, Sankrial, Jhargram,
and Jamboni) of Paschim Medinipur District.
Gopiballavpur -I and II block is underlain by different geological formations ranging from hard consolidated rocks of Cenozoic age to unconsolidated alluvium of recent age. The hard consolidated rocks are Phyllites, Quartzites etc. The Phyllites and Quartzites rocks are highly deformed with foliation trending NE – SW.
CHANGING COURSE OF SUBARNAREKHA RIVER AND ITS SOCIETAL.........
2Indian Streams Research Journal • Volume 3 Issue 4 • May 2013
The oldest Quaternary deposits exposed in the area comprise Lalgarh formation of Early Pleistocene age consisting of fragments of quartz, Phyllis, granite pebbles and gravels occasinally lateritised.The Quaternary sediments in the area are mostly of fluviatile origin and have been deposited by the Subarnarekha rivers. The Sijua formation constitutes the sediments of older alluvium, comprising hard clay and silt, impregnated with caliche concretions. The overlaying sediments of Panskura formation constitute older flood plain deposits, consisting of sand, silt and clay of different flood regimes. The present day flood plain deposits are composed of sand and silts of different layers. The low lying areas, adjacent to Subarnarekha rivers are invariably flooded and water logged particularly during monsoon season.
2.2 TOPOGRAPHY: The area has a very gentle slope from west to east. The highest value of the study area is 36 meter. Western part of the study area show steep slope. The rest of the study area is almost gentle slope. The topography is not likely to change as the mined material shall get replenished every year during monsoon.
2.3 SOIL: The soils of Gopiballavpur -I and II block in mainly divisible in three groups, the Red gravelly soil, older alluvial soil and lateri