The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth's forests and topography

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Paper Summary

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GEDI: It's like giving forests a really good haircut, from space!

GEDI is a new spaceborne instrument that has been specifically designed to measure vegetation structure using a multi-beam laser altimeter/waveform lidar. The GEDI science objectives are to quantify the aboveground carbon balance of forests, predict the role of forests in mitigating atmospheric CO2, and assess the effects of ecosystem structure on habit quality and biodiversity.

Possible Conflicts of Interest

None identified.

Identified Weaknesses

Cannot make observations through dense cloud cover.

The fact that GEDI cannot make observations through cloud cover represents a limitation that the investigators attempt to mitigate through algorithmic approaches and orbital maneuvers.

Rating Explanation

This is a strong research paper describing a new space-based mission to measure vegetation structure. The methodology is sound and the science compelling and represents a significant advance in our ability to map the vertical structure of forests across the Earth.

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