DOI: https://doi.org/10.5069/G9MW2F86
OT Collection ID: OT.102024.6339.1
OT Collection Name: Topo-Bathymetric Data Set: Sacramento River, California 2023
Short Name: CA23_Sacramento
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.102024.6339.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.102024.6339.1

	2. Raster
		opentopoID: OTSDEM.102024.6339.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.102024.6339.1


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Collection Overview: The Yurok Tribe Fisheries Department Design and Technical Services Program was  tasked by the United States Bureau of Reclamation Central Valley Project Improvement Act Habitat Restoration Program to conduct a system wide base-line data  collection effort across 174 miles on the Sacramento River to develop habitat and decision  support modeling. High resolution aerial imagery, topography, bathymetry, and water surface  elevations were collected and are intended to support the development of a  hydrodynamic model framework for predicting habitat across a range of flows. The model will  support measures needed to restore anadromous fish to optimum and sustainable levels in  accordance with the restored carrying capacities of Central Valley rivers, streams, and riparian  habitats. The data will also be used to support planning, design, and analysis of current and  future restoration projects on the Sacramento River.
For direct download of ancillary vector products for this dataset click here

Dataset Acknowledgement: Organizations involved in this project include:  US Bureau of Reclamation and the Yurok Tribe Fisheries Department. Data processing services provided by the OpenTopography Facility with support from the National Science Foundation under NSF Award Numbers 2410799, 2410800 & 2410801.

Dataset Citation: Yurok Tribe, US Bureau of Reclamation (2024). Topo-Bathymetric Data Set: Sacramento River, California 2023. Distributed by OpenTopography. https://doi.org/10.5069/G9MW2F86. Accessed: 2025-04-20

Use License: Not Provided

Dataset Keywords: lidar, bathymetry, ecology, geomorphology, hydrology, Sacramento

Survey Date: 09/22/2023 - 10/03/2023
Publication Date: 10/29/2024

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Data Provider and Roles:
	1. Yurok Tribe
	Role: Collector
	Url: https://www.yuroktribe.org/

	2. US Bureau of Reclamation
	Role: Funder
	Url: https://www.usbr.gov/


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Total number of points: 22,252,057,301 pts

Area: 360.1 km^2

Point Density: 61.79 pts/m^2

Classifications: 
	Class 1 - Unclassified: 6,763,572,697
	Class 2 - Ground: 2,411,840,949
	Class 7 - Low Point (low noise): 11,364,314
	Class 9 - Water: 43,686,284
	Class 12 - Overlap/Reserved: 3,084,731,825
	Class 17 - Bridge Deck: 2,749,533
	Class 18 - High Noise: 14,293,138
	Class 20 - Reserved: 560,624
	Class 35 - Reserved: 97,858,807
	Class 40 - Reserved: 57,336,648
	Class 41 - Reserved: 497,197,570
	Class 42 - Reserved: 440,975,095
	Class 43 - Reserved: 5,461,516
	Class 64 - User Definable: 645,087
	Class 65 - User Definable: 902,838
	Class 66 - User Definable: 21,856,467
	Class 67 - User Definable: 1,922,319
	Class 69 - User Definable: 852,339
	Class 81 - User Definable: 18,829,921
	Class 85 - User Definable: 4,685,063
	Class 128 - Other User Definable Classes (greater than 127): 8,770,734,267
Coordinates System: 
	Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 10N Meters [EPSG: 6339]
	Vertical: NAVD88 (GEOID 18) [EPSG: 5703]

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/CA23_Sacramento_metadata.zip

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.102024.6339.1

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Dataset Boundary in GeoJSON format: 
	Point Cloud: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Point_Cloud_Lidar/CA23_Sacramento.geojson
	Raster: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Raster/CA23_Sacramento.geojson

Dataset Extent (Bounding Box):
	North: 40.519683618869564°
	South: 39.00290195910443°
	East: -121.80585599324446°
	West: -122.38016397906206°