AfriSAR Rainforest Canopy Height from PolInSAR and Lidar Fusion

Forest canopy height and uncertainty estimates for study areas in Pongara and Lope National Parks, Gabon. The dataset contains two products: one derived from multi-baseline Polarimetric Interferometric SAR (PolInSAR) data using an RVoG model inversion, and another from a fusion of PolInSAR and LVIS Lidar data. Data was collected during the NASA-led AfriSAR campaign from February 27 to March 8, 2016, in collaboration with ESA and the Gabonese Space Agency.

Use Cases

• Validating and comparing SAR-derived canopy height models against lidar measurements.
• Analyzing relationships between radar backscatter, coherence, and canopy structure.
• Assessing the impact of terrain geometry on canopy height estimation accuracy.
• Developing fusion algorithms for integrating PolInSAR and lidar data sources.
• Studying forest composition and vegetation structure in Gabonese national parks.

Strengths

• Provides two distinct canopy height products from different sensor fusion methods for comparison.
• Includes intermediate PolInSAR parameters (backscatter, coherence, geometry) for model insight.
• Data originates from a coordinated NASA/ESA/Gabon campaign (AfriSAR) ensuring controlled acquisition.
• Focuses on specific, ecologically significant study areas in Gabon's national parks.

Limitations

• Row count, dataset size, and specific column names are unknown across all sources.
• Sources conflict on the last updated date (2016-03-08 vs. 2026-03-13), creating uncertainty about metadata freshness.
• License is specified as 'other-license-specified', requiring users to investigate terms.

Provenance

Source

NASA, in collaboration with the European Space Agency (ESA) and the Gabonese Space Agency.

Collection Method

Derived from multi-baseline PolInSAR data (inverting the RVoG model) and fused PolInSAR/LVIS Lidar data collected during the AfriSAR airborne campaign.

Time Range

2016-02-27 to 2016-03-08

Freshness

2026-03 13 18:48:10.507454

Geography

Study areas in Pongara National Park and Lope National Park, Gabon.