Vol 14, No 2 (2010) > Articles >

Remote Sensing and Geographical Information System to Identify Drought Potency

Puguh Raharjo 1

Affiliations:

  1. Balai Informasi dan Konservasi Kebumian, Karangsambung, Lembaga Ilmu Pengetahuan Indonesia, Karangsambung KM 19, Kebumen 54535, Jawa Tengah

 

Abstract:

Kebumen regency was drought in year 2008, community clean water shortages and irrigation water following a decline in water resources. The use of remote sensing data and GIS can be used to identify the potential for drought-prone areas. Transformation of Landsat TM satellite imagery to obtain the brightness index, wetness index and vegetation index used to determine surface conditions in relation to drought. Brightness index and wetness index derived from the tasseled cap modifications, while the vegetation index derived from normalized difference vegetation index (NDVI) values. Other parameters such as aquifer conditions, rainfall and other types of dry agricultural land use was a factor in identifying drought. The data are performed in accordance with the zone description in order to get the study area in relation to regional drought. The result of the research is identified area the district of Karangsambung, Karanggayam, Sadang, Alian, Puring, Klirong, Buluspesantren, Ambal and Mirit potential drought.

Keywords: drought, GIS, Kebumen regency, remote sensing
Published at: Vol 14, No 2 (2010) pages: 97-105
DOI:

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