ASTER Satellite Fire Imagery for Roraima, Brazil 2003

ASTER high-resolution satellite data provides imagery over Roraima state, Brazil, from January 19 and 28, 2003. The dataset includes visible-near infrared (15m), short wave infrared (30m), and thermal infrared (90m) bands, capturing prescribed and opportunistic burns. Data is provided by ORNL_CLOUD in ASTER L1B HDF format with companion metadata and georeferencing documentation.

Use Cases

• Analyzing fire spread and intensity using thermal infrared (90m) and short wave infrared (30m) bands.
• Mapping land surface thermal properties before and after prescribed burns on January 19 and 28, 2003.
• Studying vegetation and surface changes with visible-near infrared (15m resolution) imagery.
• Georeferencing and processing raw satellite data using the provided ASTER_GeoRef_FINAL.pdf guide.

Strengths

• Provides high-resolution data across three spectral bands: 15m, 30m, and 90m.
• Covers two specific dates (January 19 and 28, 2003) with documented fire events.
• Includes companion metadata files and a detailed georeferencing guide for processing.

Limitations

• No column or row count information is provided; dataset consists of raw image files.
• Conflicting last updated dates: 2003-01-28 on one source vs. 2026-03-13 on others, suggesting metadata inconsistency.
• Limited temporal scope to only two days in January 2003.

Provenance

Source

ORNL_CLOUD

Collection Method

Collected by the ASTER satellite sensor.

Time Range

2003-01-19 to 2003-01-28

Freshness

2026-03-13 01:14:01.026501

Geography

Roraima state, Brazil, covering two strips approximately 180 x 60 km each.