Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 5, pp. 33-43
The algorithm for detecting hot points from the data of the AHI device Himawari-8
I.S. Pustynskiy
1 , J.A. Shamilova
1 , E.I. Kholodov
1 , V.V. Suhanova
1 1 Far Eastern Center of SRC Planeta, Khabarovsk, Russia
Accepted: 30.10.2018
DOI: 10.21046/2070-7401-2018-15-5-33-43
The paper presents the original algorithm for detecting hot points of probable wildfires developed in the Far East Center of the SRC Planeta for the AHI device of the geostationary satellite Himawari-8. In the algorithm for detection hot points of probable wildfires, in addition to traditional methods of detection, we use a method based on the main advantage of geostationary satellites ― the high frequency of the data of the same territory. The authors developed an original spatio-temporal context that makes it possible to achieve an optimal balance between the periodicity of observation and the probability of detecting small wildfires at an early stage. When comparing the results of the operation of the algorithm with the data of polar-orbital satellites for the period of 2017 it was established that, taking into account the spatial resolution of the AHI device, information about the hot points of probable wildfires detected by the algorithm could be used to take early preventive measures in the most fire hazardous areas. The detection of hot points of probable wildfires was fixed 2.83 hours earlier than according to the data of polar-orbital satellites, which are close in time; it shows that the application of the spatio-temporal context significantly expanded the possibilities of the algorithm for detecting hot points in the period of their occurrence.
Keywords: Himawari, AHI, wildfires, hotspots, fire detection
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