DAAC Home > Resources > News

News

GEDI

GEDI L3 Gridded Land Surface Metrics, V2

Submitted by ORNL DAAC Staff on 2022-01-14
Image Media
Image Media
Caption

Level 3 estimated canopy height in meters derived from the Level 2 profile metric RH100 between the 19th and the 122nd mission week.

Body
GEDI L3 gridded mean canopy height, standard deviation of canopy height, mean ground elevation, standard deviation of ground elevation, and counts of laser footprints per 1 km x 1 km grid cells globally within -52 and 52 degrees latitude.
Tags

New Tutorial for Exploring GEDI L4A available

Submitted by ORNL DAAC Staff on 2021-10-28
Image Media
Image Media
Caption

The Global Ecosystem Dynamics Investigation (GEDI) instrument provides high resolution laser ranging of Earth's forests and topography from the International Space Station (ISS).

Body
A third tutorial for exploring the GEDI L4A Footprint Level Aboveground Biomass Density dataset is now available.

First GEDI Level 4 Biomass Data Highlighted by NASA's Earthdata

Submitted by ORNL DAAC Staff on 2021-08-26
Image Media
Image Media
Caption

Example subset of aboveground biomass density (AGBD; Mg ha-1) predictions from the GEDI Level-4A footprint version 2.1 product over Northern California, USA, spanning April to July 2019. GEDI footprints are spaced 60m along track and 600m across-track.

Body
GEDI L4A Footprint Level Aboveground Biomass Density, Version 1 released.

GEDI Level 3 Data Highlighted by NASA's Earthdata

Submitted by ORNL DAAC Staff on 2021-04-11
Image Media
Image Media
Caption

The GEDI instrument onboard the ISS uses three lasers split into eight tracks that fire 242 times per second illuminating a 25-meter footprint of the Earth's surface.

Body
GEDI Level 3 gridded estimates of canopy height, ground elevation, and laser footprint counts from the instrument's full waveform lidar from the International Space Station. Image Credit: NASA's GSFC.

GEDI Launched!

Submitted by ORNL DAAC Staff on
Image Media
Image Media
Caption

The GEDI instrument's 80 cm telescope will receive laser-light returning from Earth.

Body

The Global Ecosystem Dynamics Investigation (GEDI) instrument will produce the first high-resolution laser ranging observations of the 3D structure of the Earth.