DOI: https://doi.org/10.5069/G9WW7FV6
OT Collection ID: OT.052022.32611.1
OT Collection Name: Impact of Waterfall Formation on River Long Profiles, CA 2021
Short Name: CA21_Rothman
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.052022.32611.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.052022.32611.1

	2. Raster
		opentopoID: OTSDEM.052022.32611.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.052022.32611.1


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Collection Overview: This lidar dataset was collected as part of an NCALM Seed grant for Sophie Rothman at the University of Nevada, Reno. This study used airborne lidar to assess how self-generation and retreat of bedrock steps and waterfalls can alter river profiles. The study area is along selected rivers within the Sierra Nevada mountains in California and covers approximately 73 km2.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-1830734.

Dataset Citation: Rothman, S. (2022). Impact of Waterfall Formation on River Long Profiles, CA 2021. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9WW7FV6. Accessed: 2024-04-16

Use License: CC BY 4.0

Dataset Keywords: river, waterfall, bedrock, hydrology, sierra nevada

Survey Date: 07/25/2021 - 07/27/2021
Publication Date: 05/16/2022

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Data Provider and Roles:
	1. University of Nevada, Reno
	Role: Principal Investigator
	Url: Not Available.

	2. National Center for Airborne Laser Mapping
	Role: Collector
	Url: https://ncalm.cive.uh.edu/

	3. National Science Foundation
	Role: Funder
	Url: https://nsf.gov/


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Total number of points: 1,387,286,903 pts

Area: 72.81 km^2

Point Density: 19.05 pts/m^2

Classifications: 
	Class 1 - Unclassified: 972,931,440
	Class 2 - Ground: 414,342,250
	Class 7 - Low Point (low noise): 2,572
	Class 18 - High Noise: 10,641
Coordinates System: 
	Horizontal: WGS84 / UTM Zone 11N Meters [EPSG: 32611]
	Vertical: WGS84 (Ellipsoid)

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/CA21_Rothman_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.052022.32611.1

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.052022.32611.1&download=true

Dataset Spatial Bounds:
	North: 36.5651866704182°
	South: 36.4133259754277°
	East: -118.612580819863°
	West: -118.856860393742°