New Global Mangrove Height Map
Author Information
Author(s): Marc Simard, Lola Fatoyinbo, Nathan M. Thomas, Atticus E. Stovall, Adriana Parra, Abigail Barenblitt, Pete Bunting, Irena Hajnsek
Primary Institution: Jet Propulsion Laboratory, California Institute of Technology
Hypothesis
How can we create a more accurate global map of mangrove canopy heights?
Conclusion
The new global mangrove height dataset provides improved accuracy and detail for evaluating mangrove ecosystem services.
Supporting Evidence
- The map captures a broader range of canopy heights with finer spatial details than previous global products.
- The tallest mangrove stands reach nearly 60 meters in Colombia and Gabon.
- The dataset can aid in evaluating mangrove ecosystem services at local and regional scales.
- The map was validated using independent GEDI and airborne Lidar canopy height estimates.
Takeaway
Scientists made a new map showing how tall mangroves are all over the world, which helps us understand how they protect coastlines and store carbon.
Methodology
The map was created using TanDEM-X spaceborne elevation measurements and validated with GEDI mission data and airborne Lidar.
Potential Biases
Potential biases in height estimates due to geolocation errors and changes in canopy structure over time.
Limitations
The map may contain errors due to misclassification of non-mangrove areas and the accuracy of the underlying data sources.
Digital Object Identifier (DOI)
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