Analisis Tingkat Produktivitas Padi Berdasarkan Metode Ndvi (Normalized Difference Vegetation Index) Dan Lswi (Land Surface Water Index) Menggunakan Citra Landsat Tahun 2007 Dan 2009 ( Studi Kasus : Kabupaten Karanganyar,Jawa Tengah )

Abstract

Paddy is one of staple foods for the most Indonesian peoples. Crop yield estimation is done by considering the parameters of area oand poductivity of paddy. The area of paddy filed is derived by analysis of Landsat\u27s satellite image using the supervised classification method. Productivity of paddy is calculated based on survey ‘ubinan\u27 data at some random samples point. the parameters of area and poductivity of paddy then the amount of crop yield is known in Karanganyar\u27s regency. The amount of crop yield based on the analysis of satellite image is 219.839,256 ton in 2007 and 227.088,717 ton in 2009. In the Landsat image is applied the transformation of vegetation index based on NDVI (Normalized Difference Vegetation Index) and LSWI ( Land Surface Water Index) algorithm to determine the level of vegetation index distribution in Karanganyar\u27s regency. The distribution of vegetation index based on NDVI and LSWI transformation use to describe the value of productivity. Productivity of paddy deppend by vegetation index value that the decrease of NDVI or the increase of LSWI value will increse the value of paddy\u27s productivity