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A Lightweight Remote Sensing Payload for Wildfire Detection and Fire Radiative Power Measurements.

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Summary
This summary is machine-generated.

Researchers developed a compact sensor suite for small uncrewed aerial systems (sUASs) to enhance wildfire monitoring. This system provides high-resolution fire mapping and radiative power measurements, improving data for wildfire management and smoke forecasting.

Keywords:
fire mappingfire radiative powerfire temperaturewildfires

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Area of Science:

  • Remote Sensing
  • Atmospheric Science
  • Geospatial Analysis

Background:

  • Small uncrewed aerial systems (sUASs) offer potential for high-resolution wildfire data but face payload limitations.
  • Wildfire management and smoke forecasting require improved observational data.

Purpose of the Study:

  • To develop a miniaturized, low-cost sensor suite for sUAS wildfire measurements.
  • To meet the size, weight, and power constraints of sUAS payloads for wildfire research.

Main Methods:

  • Developed a remote sensing system with three optical instruments and five sensors for fire mapping and radiative power measurement.
  • Integrated a GPS-aided inertial navigation system for aircraft positioning and attitude.
  • Utilized narrow-band infrared channels (1.6 and 4 µm) for fire radiative power and a broadband shortwave IR imager for fire mapping.

Main Results:

  • The system weighs approximately 1500 g and consumes 15 W of power.
  • Successfully operated the system on a sUAS over a prescribed burn and on a crewed aircraft during the FIREX-AQ mission.
  • Achieved fire radiative power measurements in the 320-1500 °C range.

Conclusions:

  • The developed sensor suite is suitable for sUAS deployment in wildfire observation missions.
  • This technology can significantly enhance wildfire monitoring capabilities and data availability.
  • The system's performance was validated during field missions over wildfires.