Association between Land Surface Temperature and Distribution of Burkholderia pseudomallei bacteria in Paddy Soil Using Landsat 8 Satellite Image
Abstract
Burkholderia pseudomallei bacteria is found in soil and it is cause of melioidosis which is a problem in Public Health. This study aimed to create a distribution map of B. pseudomallei and analyze association between the presences of B. pseudomallei with land surface temperature. The classification of paddy field was performed using Landsat 8 satellite image. Seventy-eight soil samples were collected in paddy field, while soil temperatures were detected by Handheld Measuring Instruments. The sample sites were geo-referenced by Global Positioning System (GPS). Subsequently, the land surface temperature was estimated calibration by Ordinary Co-Kriging between Landsat 8 satellite images and soil temperature field survey. The statistical association between the presences of B. pseudomallei with land surface temperature was analyzed by Mann-Whitney U Test. The Results showed that 32 sites were positive of B. pseudomallei. The land surface temperature showed that maximum and minimum were 36.73 and 29.67 degree Celsius, respectively. The presences of B. pseudomallei were not significantly associated with land surface temperature (p-value 0.699).
Keywords : B. pseudomallei ; Land surface temperature ; Landsat 8 satellite images
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