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Bryan Blair2  \nUser Guide written by Jared Beck3 in collaboration with Bradford Wirt3 , John Armston 1 , Michelle Hofton 1 , Scott Luthcke2 and Hao Tang 1.  \n1 Department of Geographical Sciences, University of Maryland College Park, MD 20742.  \n2 Code 61A, NASA Goddard Space Flight Center, Greenbelt, MD 20771.  \n3 KBR, Inc. , contractor to the U.S. Geological Survey, Earth Resources Observation and Science (EROS) Center, Sioux Falls, South Dakota, USA. Work performed under USGS contract G15PC00012 for LP DAAC4.  \n4 LP DAAC work performed under NASA contract NNG14HH33I.  \nDocument History  \n\n| Document Version | Publication Date | Description |\n| --- | --- | --- |\n| 1.0 | January 2020 | Original for L2A P001 L2B P001 |\n| 2.0 | April 2021 | Update for GEDI V2 Release |\n|  |  |  |\n\nTables of Contents  \n1 Dataset Overview ..................................................................................................................... 5  \n1.1 Background ...................................................................................................................................... 5  \n1.2 Important Product Notes for Version 2 L2 ...................................................................................... 6  \n2 Dataset Characteristics ....................................................................................................6  \n2.1 GEDI Level 2A Elevation and Height Metrics Data Global Footprint Level P003 .............................7  \n2.2 GEDI Level 2B Canopy Cover and Vertical Profile Metrics Data Global Footprint Level P003 .........8  \n2.3 Unique Shot Identifier...................................................................................................................... 8  \n2.4 File Naming Conventions ................................................................................................................. 9  \n2.5 File Format ..................................................................................................................................... 10  \n3 Algorithm Description ............................................................................................................ 10  \n3.1 General Geolocation Algorithm Overview ..................................................................................... 10  \n3.2 Waveform Processing Algorithm Overview ................................................................................... 10  \n3.3 Elevation and Height Metric Algorithm Overview ......................................................................... 11  \n3.4 Cover and Vertical Profile Metric Algorithm Overview.................................................................. 11  \n4 Metadata .......................................................................................................................12  \n5 Frequently Asked Questions ..........................................................................................12  \n6 Quality and Important Notes ................................................................................................ 14  \n7 Changes from Previous Version .....................................................................................17  \n7.1 GEDI Level 2A Changes................................................................................................................... 17  \n7.2 GEDI Level 2B Changes................................................................................................................... 20  \n8 Known Issues........................................................................................................................... 22  \n9 Dataset Access .......................","cbCaicT9cS08iCwv","https://ap.wps.com/l/cbCaicT9cS08iCwv","pdf",405386,25,"English","# Dataset Overview\n## Background\n## Important Product Notes for Version 2 L2\n# Dataset Characteristics\n## GEDI Level 2A Elevation and Height Metrics Global Footprint Level P003\n## GEDI Level 2B Canopy Cover and Vertical Profile Metrics Global Footprint Level P003\n## Unique Shot Identifier\n## File Naming Conventions\n## File Format\n# Algorithm Description\n## General Geolocation Algorithm Overview\n## Waveform Processing Algorithm Overview\n## Elevation and Height Metric Algorithm Overview\n## Cover and Vertical Profile Metric Algorithm Overview\n# Metadata\n# Frequently Asked Questions\n# Quality and Important Notes\n# Changes from Previous Version\n## GEDI Level 2A Changes\n## GEDI Level 2B Changes\n# Known Issues\n# Dataset Access\n# Contact Information\n# Citations\n# Publications, References and Resources\n## Websites and Data Portals\n## Additional Resources","[{\"question\":\"What is the overall goal of the GEDI Level 2 mission and data products?\",\"answer\":\"The guide states the mission goal is to characterize how changing climate and land use affect ecosystem structure and dynamics using high-resolution laser ranging observations of Earth’s three-dimensional structure.\"},{\"question\":\"What data types are covered by GEDI Level 2A and Level 2B?\",\"answer\":\"GEDI Level 2A provides elevation and height metrics on the global footprint, while GEDI Level 2B provides canopy cover and vertical profile metrics on the global footprint.\"},{\"question\":\"Where are file naming and file format details documented?\",\"answer\":\"The table of contents lists “File Naming Conventions” and “File Format” under “Dataset Characteristics,” indicating the guide covers how Level 2 files are named and what formats are used.\"}]","GLOBAL Ecosystem Dynamics Investigation (GEDI) - Level 2 User Guide - Version 2.0 - April 2021 | PDF",63]