DOI: https://doi.org/10.5069/G9PC30KP OT Collection ID: OT.092024.6345.1 OT Collection Name: Lidar Survey of Deltaic Wetlands, LA 2023 Short Name: LA23_Davidson Collection Platform: Airborne Lidar ---------------------------------------------------------- Download and Access Products: 1. Point Cloud Data opentopoID: OTLAS.092024.6345.1 Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.092024.6345.1 2. Raster opentopoID: OTSDEM.092024.6345.1 Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.092024.6345.1 ---------------------------------------------------------- Collection Overview: This lidar dataset was collected as part of an NCALM Seed grant for Donald Davidson at the University of New Orleans. This dataset was collected to help understand the vegetation-sediment-flow interplay in deltaic wetlands. Data was collected southeast of New Orleans, LA, over Quarantine Bay. Publications associated with this dataset can be found at NCALM's Data Tracking Center. Dataset Acknowledgement: Lidar data acquisition and processing completed by the National Center for Airborne Laser Mapping (NCALM). NCALM funding provided by NSF's Division of Earth Sciences, Instrumentation and Facilities Program. EAR-2324629 Dataset Citation: Davidson, D. (2024). Lidar Survey of Deltaic Wetlands, LA 2023. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9PC30KP. Accessed: 2025-06-07 Use License: CC BY 4.0 Dataset Keywords: lidar, New Orleans, hydrology, geomorphology, delta Survey Date: 09/20/2023 Publication Date: 09/25/2024 ---------------------------------------------------------- Data Provider and Roles: 1. University of New Orleans Role: Principal Investigator Url: Not Available. 2. National Center for Airborne Laser Mapping Role: Collector Url: http://ncalm.cive.uh.edu/ 3. National Science Foundation Role: Funder Url: https://nsf.gov/ ---------------------------------------------------------- Total number of points: 653,111,752 pts Area: 59.83 km^2 Point Density: 10.92 pts/m^2 Classifications: Class 1 - Unclassified: 598,124,558 Class 2 - Ground: 54,875,703 Class 7 - Low Point (low noise): 49,545 Class 18 - High Noise: 61,946 Coordinates System: Horizontal: NAD83 (2011) / UTM Zone 16N Meters [EPSG: 6345] Vertical: NAVD88 (GEOID 12B) [EPSG: 5703] Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/LA23_Davidson_metadata.pdf LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.092024.6345.1 ---------------------------------------------------------- Dataset Boundary in GeoJSON format: Point Cloud: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Point_Cloud_Lidar/LA23_Davidson.geojson Raster: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Raster/LA23_Davidson.geojson Dataset Extent (Bounding Box): North: 29.436654399600656° South: 29.35126414476026° East: -89.44899125749536° West: -89.55358345028579°