Study of Land Use Changes in Sa Kaeo Province using Object-Based Image Analysis

Abstract

The classification and analysis of land use changes in Sa Kaeo province between 2006 and 2014 based on LANDSAT 5 TM and LANDSAT 8 OLI satellite image data by using object-based image analysis found that land use was divided into 7 categories, including Urban and Built-up Land, Paddy Field, Field crop, Perennial and Orchard, Forest Land , Water Body and Miscellaneous Land.  It was also found from the study that most of the land uses in 2009 was paddy fields of 1,984,722.72 rai accounted for 44.13 percent, followed by forest lands of 894,240.13 rai or 19.88 percent, and the urban and built-up of 473,795.42 rai or 10.53 percent,. By contrast in 2014,  most of the land uses was the field crops of 1,599,777.97 rai,  accounted  for 35.56 percent, followed by paddy fields of 1,225,790.40 rai  or 27.25 percent and forest lands of 901,881.10 rai or 20.06 percent. The land use changes occurred between those two period showed that the field crops had the largest increase in area  while the paddy fields had the most reduced area accounted for 26.95  and16.87  percent respectively.