IML Critical Zone Observatory, Clear Creek Aug 2014 Lidar Survey

DOI: 10.5069/G9RF5S0N
OT Collection ID: OT.122016.26915.1
OT Collection Name: IML Critical Zone Observatory, Clear Creek Aug 2014 Lidar Survey
Short Name: IA14_Kumar_1064
Collection Platform: Airborne Lidar
Metadata Download:
  • ISO 19115 (Data)
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  • Download and Access Products:

    Point Cloud (1064 nm)   Bulk Download     opentopoID: OTLAS.122016.26915.1

    Point Cloud (532 nm)   Bulk Download     opentopoID: OTLAS.122016.26915.1b

    Raster (1064 nm)   Bulk Download     opentopoID: OTSDEM.122016.26915.1

    Raster (532 nm)   Bulk Download     opentopoID: OTSDEM.122016.26915.1b
    Collection Overview: NCALM logo This dataset was collected by NCALM for PI Dr. Praveen Kumar, University of Illinois. Clear Creek is part of the Intensively Managed Landscapes (ILM) Critical Zone Observatory (CZO).

    The requested survey area consisted of two rectangles - called East and West - enclosing approximately 204 square kilometers along with their associated watercourse corridors. The West rectangle is located 35 km NW of Iowa City, Iowa and the East rectangle is located 10 km NW of the same city.

    This survey was performed with 2 different LiDAR systems: 1) Optech Gemini Airborne Laser Terrain Mapper (ALTM) which is an infrared laser mapping sensor and 2) Optech Aquarius ALTM which is a hybrid laser mapping system as it collects simultaneous land and shallow water-depth measurements. It operates in the green spectrum, thus enabling it to penetrate water. These LiDAR mapping systems along with an Optech 12-bit full waveform digitizer were mounted consecutively in a twin-engine Piper PA- 31-350 Navajo Chieftain (Tail Number N154WW).

    Full waveform files are available via this link.

    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 Keywords: czo, intensely managed landscapes, critical zone observatory, clear creek, river, watershed

    Survey Date: 08/02/2014 - 08/03/2014

    Publication Date: 03/03/2017
    Total lidar returns: 1,936,220,915 pts

    Area: 248.48 km2

    Point Density: 7.79 pts/m2

    Classifications:
        Class 1 - Unclassified933,906,071
        Class 2 - Ground1,002,209,173
        Class 7 - Low Point (noise)105,671

    Raster Resolution: 1 meter

    Coordinates System:
        Horizontal: NAD 1983 (2011) UTM Zone 15N [EPSG: 26915]
        Vertical: NAVD88 (GEOID 12a)

    Survey Report: 2014_CZO_ClearCreek_IA_Metadata.pdf

    LAS Validation Data Report: IA14_Kumar_1064.html
    Dataset Extent in KMZ format: Download

    Dataset Spatial Bounds: North: 41.7724152341864°     South: 41.6505661303923°     East: -91.5455950757738°     West: -92.0372689936907°