The rice production of paddy field and relationship with elevation using sentinel-1a sar in subang regency

Abstract

Subang Regency is the third largest rice producer in West Java. The Total area of Subang 41% is the paddy field. This research aims to determine how the spatial pattern of the paddy field and its relation to altitude using the Sentinel-1A SAR satellite imagery in Subang district. The Sentinel-1A image data used is in January 2018-June 2019. The study used Google Earth Engine to process Sentinel-1A image data. Classification of the harvest and not harvest using the maximum method likelihood. The results of this research show that the calculation of ice production on the paddy field has a value of R2 of 0,58 for low elevation and flat area. The value will be smaller in high elevation and hilly areas. The research found that the Sentinel-1A is better used to calculate rice production in low elevation and flat areas. The research concluded that the lowest elevation and flat areas, which have rice productions higher than rice productions in high elevation and hilly areas with the highest rice production in April-May.