Drought determination by using land surface temperature and normalized difference vegetation index

E. Ozelkan*, I. Papila, D. Z. Uca Avci, M. Karaman

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Konferansa katkıYazıbilirkişi

5 Atıf (Scopus)

Özet

Today, many places of different locations on Earth especially semi-arid areas face the risk of desertification due to severe drought. However, the very basic data required for the analysis is unavailable for the regions without a meteorological station. In this case, land surface temperature (LST) is derived from a thermal band as an alternative meteorological station's data. In this research, Mugla, located in the eastern Mediterranean part of Turkey, was selected as the study area. By using Landsat TM data, LST&NDVI images were produced. A negative correlation, which indicated a trend for drought, was observed between LST&NDVI during a twenty six-year period. Standard precipitation index (SPI), which is a measure of drought and assessed from meteorological data, was used to verify remote sensing results. Consequently, it can be said that the negative correlation between LST&NDVI can be used as an indicator for drought as an alternative to meteorological data.

Orijinal dilİngilizce
Yayın durumuYayınlandı - 2011
Etkinlik34th International Symposium on Remote Sensing of Environment - The GEOSS Era: Towards Operational Environmental Monitoring - Sydney, NSW, Australia
Süre: 10 Nis 201115 Nis 2011

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???event.eventtypes.event.conference???34th International Symposium on Remote Sensing of Environment - The GEOSS Era: Towards Operational Environmental Monitoring
Ülke/BölgeAustralia
ŞehirSydney, NSW
Periyot10/04/1115/04/11

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