Land Use Land Cover Change Detection and Forecasting for Tiruchirappalli City Using Remote Sensing and GIS

Autori

  • SATHEES KUMAR RESEARCH SCHOLAR, DEPARTMENT OF CIVIL ENGINEERING, NATIONAL INSTITUTE OF TECHNOLOGY, TIRUCHIRAPPALLI
  • Nisha Radhakrishnan Assistant professor DEPARTMENT OF CIVIL ENGINEERING, NATIONAL INSTITUTE OF TECHNOLOGY, TIRUCHIRAPPALLI.
  • Samson Mathew Associate Professor DEPARTMENT OF CIVIL ENGINEERING, NATIONAL INSTITUTE OF TECHNOLOGY, TIRUCHIRAPPALLI.

Parole chiave:

GIS, LANDSAT, Land use Land cover, Markov, remote sensing.

Abstract

Land use Land cover (LU/LC) change has taken place in Tiruchirappalli city in Tamil Nadu, India over the past two decades due to induced industrialization and urbanization. In this paper, LU/LC change dynamics were studied by the combined use of remote sensing, geographical information system (GIS) and stochastic modelling technologies. The different land use categories and their spatial and temporal variability in Tiruchirappalli city has been studied over a period of fourteen years (1992-2006), from the analysis of Landsat images for the year 1992, 2001, 2003 and 2006 using ArcGIS 9.3 and ERDAS Imagine 9.1 software. Maximum Likelihood Algorithm was employed to detect the LU/LC types. Based on the results of classified images, the agricultural land coverage area was observed to have reduced from the year 1991 to 2006 by 3.44 %, while the area under settlement increased from the year 1991 to 2006 by 18.54 %. An attempt was made to project the LU/LC change for the next nine years using Markov model. The forecasted results indicated that, the area of urban land would maintain the increasing tendency in the next nine years. The study demonstrates that the integration of satellite remote sensing and GIS was an effective approach for analysing the temporal and spatial pattern of LU/LC change. The further integration of these two technologies with Markov modelling was found to be beneficial in describing and analysing land use change process.Keywords: GIS, LANDSAT, Land use Land cover, Markov, remote sensing.

Biografia autore

  • SATHEES KUMAR, RESEARCH SCHOLAR, DEPARTMENT OF CIVIL ENGINEERING, NATIONAL INSTITUTE OF TECHNOLOGY, TIRUCHIRAPPALLI
    I am doing Ph.D in the area of Land Use Planning under the guidance of Dr. Nisha Radhakrishnan in NITT. M.E Degree in Geoinformatics 2008 75.00% First Class.B.E Degree in civil Engineering 2006 76.00% First Class (Distinction).ME Degree Course at College of Engineering, Guindy, Anna University, Chennai – 25, Tamilnadu.BE Degree Course at Mohamed sathak Engineering College, Kilakarai, TamilNadu.

Dowloads

Pubblicato

2012-04-23

Fascicolo

V. 3 N. 1 (2012)

Sezione

Case Study

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