Results 1 to 10 of about 6,220 (168)

Factors affecting relative height and ground elevation estimations of GEDI among forest types across the conterminous USA

GIScience and Remote Sensing, 2022
The Global Ecosystem Dynamics Investigation (GEDI), a new spaceborne LiDAR system of the National Aeronautics and Space Administration (NASA), has the potential to revolutionize global measurements of vertical vegetation structure.
Mark Cochrane, Izaya Numata, Andrew Elmore   +2 more
exaly   +2 more sources

The impact of geolocation uncertainty on GEDI tropical forest canopy height estimation and change monitoring

Science of Remote Sensing, 2021
The Global Ecosystem Dynamics Investigation (GEDI) LiDAR provides new spaceborne vegetation canopy structural information including relative canopy height products defined with respect to 25 m diameter footprints. The GEDI geolocation requirement is that
David Roy, John David Armston
exaly   +3 more sources

Using simulated GEDI waveforms to evaluate the effects of beam sensitivity and terrain slope on GEDI L2A relative height metrics over the Brazilian Amazon Forest

Science of Remote Sensing, 2023
The vertical structure of forests provides important parameters for estimating aboveground biomass (AGB) and it can be measured by lidar sensors. The Global Ecosystem Dynamics Investigation (GEDI) full-waveform lidar sensor collects data systematically ...
Xiaoyang Zhang, Jean Ometto, Pedro V C Oliveira   +2 more
exaly   +3 more sources

Validation and Error Minimization of Global Ecosystem Dynamics Investigation (GEDI) Relative Height Metrics in the Amazon

Remote Sensing
Global Ecosystem Dynamics Investigation (GEDI) is a relatively new technology for global forest research, acquiring LiDAR measurements of vertical vegetation structure across Earth’s tropical, sub-tropical, and temperate forests. Previous GEDI validation
Patrick Jantz, David W Roberts, Andrew Hansen   +2 more
exaly   +3 more sources

A live cell biosensor protocol for high-resolution screening of therapy-resistant cancer cells. [PDF]

PLoS ONE
The Genetically Encoded Death Indicator (GEDI) is a ratiometric, dual-fluorescence biosensor that enables real-time detection of cell death through calcium influx.
Viral D Oza, Colin S Williams, Jessica S Blackburn   +2 more
doaj   +2 more sources

Quality Assessment of Acquired GEDI Waveforms: Case Study over France, Tunisia and French Guiana

Remote Sensing, 2021
The Global Ecosystem Dynamics Investigation (GEDI) full-waveform (FW) LiDAR instrument on board the International Space Station (ISS) has acquired in its first 18 months of operation more than 25 billion shots globally, presenting a unique opportunity ...
Jérôme Riedi, Nicolas Baghdadi
exaly   +3 more sources

Accuracy evaluation and effect factor analysis of GEDI aboveground biomass product for temperate forests in the conterminous United States

GIScience and Remote Sensing
The Global Ecosystem Dynamics Investigation (GEDI) is expected to revolutionize the quantification of aboveground carbon at continental scales, through its unprecedented dense vertical observations of vegetation structure.
Duo Jia, Mark Cochrane, Christopher Hakkenberg   +2 more
exaly   +3 more sources

Assessing the Accuracy of GEDI Data for Canopy Height and Aboveground Biomass Estimates in Mediterranean Forests

Remote Sensing, 2021
Global Ecosystem Dynamics Investigation (GEDI) satellite mission is expanding the spatial bounds and temporal resolution of large-scale mapping applications.
Iván Dorado-Roda, Adrián Pascual, Sergio Godinho, Carlos A. Silva, Brigite Botequim, Pablo Rodríguez-Gonzálvez, Eduardo González-Ferreiro, Juan Guerra-Hernández   +7 more
doaj   +1 more source

Accuracy Assessment and Impact Factor Analysis of GEDI Leaf Area Index Product in Temperate Forest

Remote Sensing, 2023
The leaf area index (LAI) is a vital parameter for quantifying the material and energy exchange between terrestrial ecosystems and the atmosphere. The Global Ecosystem Dynamics Investigation (GEDI), with its mission to produce a near-global map of forest
Cangjiao Wang, Duo Jia, Shaogang Lei, Izaya Numata, Luo Tian   +4 more
doaj   +1 more source

Spaceborne LiDAR for characterizing forest structure across scales in the European Alps

Remote Sensing in Ecology and Conservation, 2023
The launch of NASA's Global Ecosystem Dynamics Investigation (GEDI) mission in 2018 opens new opportunities to quantitatively describe forest ecosystems across large scales. While GEDI's height‐related metrics have already been extensively evaluated, the
Lisa Mandl, Ana Stritih, Rupert Seidl, Christian Ginzler, Cornelius Senf   +4 more
doaj   +1 more source