Enhancement of Nighttime Fire Detection and Combustion Efficiency...

Zhou, M., J. Wang, L. C. García, X. Chen, A. da Silva, Z. Wang, M. O. Román, E. Hyer, and S. D. Miller (2023), Enhancement of Nighttime Fire Detection and Combustion Efficiency Characterization Using Suomi-NPP and NOAA-20 VIIRS Instruments, IEEE Trans. Geosci. Remote Sens., 61, 4402420, doi:10.1109/TGRS.2023.3261664.

We present the second-generation FIre Light Detec- VIIRS active fire 375-m I-band algorithm with the added benefit tion Algorithm (FILDA-2), which includes advances in fire of providing daily global pixel-level characterizations of MCE detection and retrievals of radiative power (FRP), fire visible for nighttime surface fires. The MCE derived by FILDA-2 is energy fraction (VEF), and fire modified combustion efficiency in good agreement with limited ground-based observations near (MCE) at nighttime from the holistic use of multiple-spectral the fires. Additionally, FILDA-2 reduces angular dependence in radiances measured by the visible infrared imaging radiometer FRP estimates and significantly reduces the “bow-tie” (doublesuite (VIIRS) aboard Suomi-NPP (VNP) and National Oceanic counting) effect in fire detection compared with the AF-I product. and Atmospheric Administration (NOAA)-20/joint polar satellite The cross-validation of FILDA-2 products from VNP and VJ1 system (JPSS)-1 (VJ1) satellites. Key enhancements include: 1) a retrievals confirms good consistency in FRP and MCE retrievals new fast algorithm that maps VIIRS day/night band (DNB) globally. FILDA-2 is being implemented by the National Aeroradiances to the pixel footprints of VIIRS moderate (M) and nautics and Space Administration (NASA) to generate a new imagery (I) bands; 2) identification of potential fire pixels through VIIRS data product for fire monitoring, chemical-speciated fire the use of the DNB anomalies and I-band thermal anomalies; emission estimates, and fire line characterization. 3) dynamic thresholds for contextual testing of fire pixels; and 4) pixel-specific estimates of FRP, VEF, and MCE. The global Index Terms— Day-night band (DNB), fire detection, fire benchmark test demonstrates that FILDA-2 can detect approx- radiative power (FRP), gas flaring, modify combustion effiimately 25%–30% smaller and cooler fires than the operational ciency (MCE), National Oceanic and Atmospheric Administration (NOAA)-20, Suomi-NPP, visible energy fraction (VEF),

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Research Program: 
Modeling Analysis and Prediction Program (MAP)
Radiation Science Program (RSP)