A new false color composite technique for dust enhancement and point source determination in Middle East

Khadijeh Karimi; Hamid Taheri Shahraiyni; Majid Habibi Nokhandan; Naser Hafezi Moghaddas; Melika Sanaeifar

doi:10.1117/12.897018

26 October 2011 A new false color composite technique for dust enhancement and point source determination in Middle East

Khadijeh Karimi, Hamid Taheri Shahraiyni, Majid Habibi Nokhandan, Naser Hafezi Moghaddas, Melika Sanaeifar

Author Affiliations +

Proceedings Volume 8177, Remote Sensing of Clouds and the Atmosphere XVI; 81770X (2011) https://doi.org/10.1117/12.897018
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

The dust storm happens in the Middle East with very high frequency. According to the dust storm effects, it is vital to study on the dust storms in the Middle East. The first step toward the study on dust storm is the enhancement of dust storms and determination of the point sources. In this paper, a new false color composite (FCC) map for the dust storm enhancement and point sources determination in the Middle East has been developed. The 28 Terra-MODIS images in 2008 and 2009 were utilized in this study. We tried to replace the Red, Green and Blue bands in RGB maps with the bands or maps that enhance the dust storms. Hence, famous indices for dust storm detection (NDDI, D and BTD) were generated using the different bands of MODIS images. These indices with some bands of MODIS were utilized for FCC map generation with different combinations. Among the different combinations, four better FCC maps were selected and these four FCC are compared using visual interpretation. The results of visual interpretations showed that the best FCC map for enhancement of dust storm in the middle east is an especial combination of the three indices (Red: D, Green: BTD and Blue: NDDI). Therefore, we utilized of this new FCC method for the enhancement of dust storms and determination of point sources in Middle East.

Citation Download Citation

Khadijeh Karimi, Hamid Taheri Shahraiyni, Majid Habibi Nokhandan, Naser Hafezi Moghaddas, and Melika Sanaeifar "A new false color composite technique for dust enhancement and point source determination in Middle East", Proc. SPIE 8177, Remote Sensing of Clouds and the Atmosphere XVI, 81770X (26 October 2011); https://doi.org/10.1117/12.897018

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