DOI: https://doi.org/10.5069/G9W66HQZ
OT Collection ID: OT.122016.26916.1
OT Collection Name: IML Critical Zone Observatory, Sangamon River, IL Aug 2014
Short Name: IL14_Kumar_532, IL14_Kumar_1064
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.122016.26916.1b
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.122016.26916.1b

	2. Raster
		opentopoID: OTSDEM.122016.26916.1b
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.122016.26916.1b

	3. Point Cloud Data
		opentopoID: OTLAS.122016.26916.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.122016.26916.1

	4. Raster
		opentopoID: OTSDEM.122016.26916.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.122016.26916.1


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Collection Overview: This dataset was collected by NCALM  for PI Dr. Praveen Kumar, University of Illinois. The Sangamon River area is part of the Intensively Managed Landscapes (ILM) Critical Zone Observatory (CZO).    The requested survey area consisted of two connected rectangles enclosing approximately 198 square kilometers along with their associated watercourse corridors. The project rectangles are located 20 km west of Champaign. IL. The entire enclosed area of these 2 rectangles was surveyed with the Gemini (1064 nm, NIR instrument); the enclosed watercourse corridors illustrate where Aquarius (532 nm instrument) data was also collected.The third airborne sensor was for Hyperspectral imaging. This portion of the survey was performed with a CASI-1500 - a push broom type hyperspectral imaging sensor sold by ITRES. It is mounted on a vibration isolated mount together with the Gemini LIDAR sensor. Hyperspectral data is available via this link.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-1043051.

Dataset Citation: IML Critical Zone Observatory, Sangamon River, IL Aug 2014. Distributed by OpenTopography. https://doi.org/10.5069/G9W66HQZ . Accessed: 2024-04-23

Use License: CC BY 4.0

Dataset Keywords: czo, intensely managed landscapes, critical zone observatory, Sangamon River, watershed, lidar

Survey Date: 08/04/2014
Publication Date: 12/25/2016

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Data Provider and Roles:
	1. National Center for Airborne Laser Mapping
	Role: Collector
	Url: https://ncalm.cive.uh.edu/

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

	3. Intensively Managed Landscapes Critical Zone Observatory
	Role: Partner
	Url: http://criticalzone.org/iml/


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Total number of points: 177,039,955 pts

Area: 73.35 km^2

Point Density: 2.41 pts/m^2

Classifications: 
	Class 1 - Unclassified: 104,966,086
	Class 2 - Ground: 69,163,916
	Class 4 - Medium Vegetation: 1,383
	Class 7 - Low Point (low noise): 1,636,214
	Class 14 - Wire - Conductor: 1,272,056
	Class 16 - Wire-Structure Connector: 300
Coordinates System: 
	Horizontal: NAD83 (2011) / UTM Zone 16N Meters [EPSG: 26916]
	Vertical: NAVD88 (GEOID 12A)

Survey Report: https://cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/2014_CZO_SangamonRiver_IL_Metadata.pdf

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/IL14_Kumar_532.html

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.122016.26916.1&download=true

Dataset Spatial Bounds:
	North: 40.3101657391074°
	South: 39.9748283314535°
	East: -88.2705966765493°
	West: -88.6862243438149°