| USE OF LST, DERIVED FROM REMOTELY SENSED SATELLITE DATA TO UNDERSTAND FACTORS CONTROLLING THERMAL EMISSIONS FROM MSW OPEN DUMPS |
| Paper ID : 1070-SMPR |
| Authors: |
|
Khalid Mahmood *1, Fiza Faizi2 1Remote Sensing and GIS group, Department of Space Science, University of the Punjab, Lahore, Pakistan. 2Center for GIS, University of the Punjab, Lahore, Pakistan. |
| Abstract: |
| Use of remotely sensed satellite data as an alternate to ground based measurements has been increasing since last couple of decades. This study has highlighted another such use to study thermal emissions from municipal solid waste open dumps and its temperature controlling ability to surroundings. Landsat-8 derived temperature products have been put into spatial analysis of proximity to produce distance dependent temperature graphs away from the dumps. Flattening of these temperature curves have been used to mark boundary of the thermal influence zone around two of the dumps. The influence zone around the bigger dump measured for spring, dry summer, monsoon, wet summer and winter is found to be extended to about 693 m, 320 m, 470 m, 793 m and 1000 m respectively. This thermally influence zone averages to 650 m, whereas, the same measurement for comparatively smaller dumps averages to 700 m. The reverse relation found between dumped waste heap and influenced zone size is due to varying geographical conditions around both the dumps. Whereas on avoiding geographically influenced readings the measured radius averages to 830 m and 600 m for bigger and smaller dumps, respectively. |
| Keywords: |
| Satellite remote sensing, land surface temperature, Municipal solid waste, Urban heat island, Proximity analysis |
| Status : Conditional Accept (Oral Presentation) |
