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On the Potential of the RST-FLARE Algorithm for Gas Flaring Characterization from Space.

Mariapia Faruolo1, Teodosio Lacava2, Nicola Pergola3

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Summary

Accurate gas flaring data is crucial for environmental monitoring. A new satellite method, RST-FLARE, precisely locates flaring sites and quantifies gas emissions in the Niger Delta, aiding regulatory efforts.

Keywords:
BTEMODISRST-FLAREflaring sites detectiongas flared volumes computationgas flaringremote sensing

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Area of Science:

  • Environmental Science
  • Remote Sensing
  • Energy Sector Analysis

Background:

  • Characterizing gas flaring requires reliable data on its magnitude and spatial distribution, which is often lacking.
  • Existing satellite methods offer independent insights into global, national, and local gas flaring activities.
  • A previous MODIS-based method computed gas flared volumes for a specific Italian plant.

Purpose of the Study:

  • To develop a generalized satellite approach, RST-FLARE, for accurate gas flaring monitoring.
  • To provide reliable localization of flaring sites and estimate gas emissions over time.
  • To assess the method's applicability in the Niger Delta, a major global gas flaring region.

Main Methods:

  • Development of the RST-FLARE algorithm, a generalized version of a MODIS-based method.
  • Application of RST-FLARE to the Niger Delta region for long-term analysis.
  • Validation of RST-FLARE results against independent data from other satellite techniques and organizations.

Main Results:

  • RST-FLARE achieved high accuracy in flaring site localization (95% spatial match).
  • Volume estimates showed a mean bias of 16%-20% annually and 2%-9% over the long term.
  • The method demonstrated good agreement with independent data sources.

Conclusions:

  • RST-FLARE provides accurate and reliable data on gas flaring localization and emissions.
  • The method is suitable for monitoring gas flaring activities at various geographic scales.
  • RST-FLARE supports governments and authorities in environmental management and regulatory oversight.