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The Earth Observation Group (EOG) focuses on the detection of various nighttime phenomena using satellite data. Their work includes identifying onshore lights, offshore lighting from boats and platforms, as well as fires and flares. This is achieved through three key data products: VIIRS Nighttime Lights (VNL) for detecting land-based lighting, VIIRS Boat Detections (VBD) for identifying offshore lighting, and VIIRS Nightfire (VNF) for detecting high-temperature sources such as gas flares and wildfires. These data are collected nightly and then processed into monthly, annual, and multi-year composites. The multi-year composites are especially valuable for comprehensive mapping and monitoring of persistent lighting and thermal sources across regions. In this presentation, we will explore the algorithms behind each data product and demonstrate how the information is compiled and visualized. A special focus will be placed on Southeast Asia, showcasing how the unique spatial arrangements of lights and heat signatures in this region can be analyzed using EOG products. By zooming in on specific areas, we will highlight patterns of human activity, maritime traffic, and energy production revealed through nighttime satellite observations.

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Review of Long-Term Patterns of Nighttime VIIRS Detections of Lights, Boats and Offshore Lights, Fires, and Flares in S.E. Asia: 2012–2023

  • 会议论文

  • 发表日期：

    2026年

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  • Christopher D. Elvidge,
  • Tilottama Ghosh,
  • Mikhail Zhizhin,
  • Morgan Bazilian

摘要

The Earth Observation Group (EOG) focuses on the detection of various nighttime phenomena using satellite data. Their work includes identifying onshore lights, offshore lighting from boats and platforms, as well as fires and flares. This is achieved through three key data products: VIIRS Nighttime Lights (VNL) for detecting land-based lighting, VIIRS Boat Detections (VBD) for identifying offshore lighting, and VIIRS Nightfire (VNF) for detecting high-temperature sources such as gas flares and wildfires. These data are collected nightly and then processed into monthly, annual, and multi-year composites. The multi-year composites are especially valuable for comprehensive mapping and monitoring of persistent lighting and thermal sources across regions. In this presentation, we will explore the algorithms behind each data product and demonstrate how the information is compiled and visualized. A special focus will be placed on Southeast Asia, showcasing how the unique spatial arrangements of lights and heat signatures in this region can be analyzed using EOG products. By zooming in on specific areas, we will highlight patterns of human activity, maritime traffic, and energy production revealed through nighttime satellite observations.