Dataset Identification:

Resource Abstract:
Using a LH Systems ALS50 Light Detection And Ranging (LiDAR) system, flight lines of standard density (1.4 meter ground sample distance) data were collected over areas in Chambers County, TX (approximately 633 square miles). Multiple returns were recorded for each laser pulse along with an intensity value for each return. The data acquisition occurred in missions between April 22, 2006, and June 12, 2006. The data was collected by Sanborn Mapping Company, Inc. for the Texas Water Development Board (TWDB) and the Federal Emergency Management Agency (FEMA).
Citation
Title 2006 Texas Water Development Board (TWDB) Lidar: Chambers County
publication  Date   2007-08-01
presentationForm  imageDigital
cited responsible party - originator
organisation Name  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Contact information
Telephone
Voice 843-740-1200
Address
2234 South Hobson Ave., Charleston, SC, 29405-2413
electronic Mail Addresscoastal.info@noaa.gov
Linkage for online resource
URL:http://coast.noaa.gov
cited responsible party - originator
organisation Name  Texas Water Development Board (TWDB)
cited responsible party - publisher
organisation Name  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Contact information
Telephone
Voice 843-740-1200
Address
2234 South Hobson Ave., Charleston, SC, 29405-2413
electronic Mail Addresscoastal.info@noaa.gov
Linkage for online resource
URL:http://coast.noaa.gov
Topic Category:  elevation
Theme keywords (theme):
Bathymetry/Topography
DEM
Digital elevation model
Elevation
Digital terrain model
Surface Model
Hydraulic
Hydrographic
Lidar
Hydrologic Modeling
Drainage Area
Hydrology
TNRIS (Texas Natural Resources Information System)
thesaurus name >
Title None
Location keywords:
United States
Texas
Chambers County
thesaurus name >
Title None
purpose:
This LIDAR operation was designed to provide a high density set of masspoints within the defined areas. The data sets are suitable for the development of contours for use in hydraulic/hydrologic model development, and for assessing environmental impacts. Typical uses for the data set include: FEMA Flood Plain Map Modernization, DFIRM map updates, watersheds and other hydro studies per FEMA specifications, county mapping projects, and flood mitigation assessment.
Resource language:  eng; USA
Resource progress code:  completed
Resource Maintenance Information
maintenance or update frequency:  notPlanned
Constraints on resource usage:
Constraints
Use limitation statement:
These data depict the elevations at the time of the survey and are only accurate for that time. Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. Any conclusions drawn from analysis of this information are not the responsibility of NOAA or any of its partners. These data are NOT to be used for navigational purposes.
Constraints on resource usage:
Legal Constraints
Use Limitation
While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Spatial representation type code:  vector
Resource extent
Geographic Extent
Geographic Bounding Box
westBoundLongitude  -94.986985
eastBoundLongitude  -94.350885
northBoundLatitude  29.906285
southBoundLatitude  29.499985
Temporal Extent
2006-04-22 2006-06-12
Credits:
Data collected by Sanborn Mapping Company, Inc. for the Texas Water Development Board (TWDB) and the Federal Emergency Management Agency (FEMA). Acknowledgement of TNRIS (Texas Natural Resources Information System) would be appreciated in products derived and used from this data. Sanborn Mapping Company asks to be credited in derived products.
point of contact - pointOfContact
individual Name Ryan Mitchell
organisation Name  Texas Natural Resources Information System (TNRIS)
Contact information
Telephone
Voice 512-463-8337
Fax 512-463-7274
Address
1700 N. Congress Ave., Austin, Texas, 78711 Country United States
electronic Mail Addresslidar@tnris.state.tx.us
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Vector spatial representation information

Geometric Objects
geometric Object Type  point
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reference system 1

Reference System Identifier
Identifier string: urn:ogc:def:crs:EPSG::4269
authority
Title North American Datum 1983
alternateTitle  NAD83
revision  Date   2007-01-19
cited responsible party - resourceProvider
organisation Name
Contact information
Linkage for online resource
name NAD83
URL:http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
link function information
Description Link to Geographic Markup Language (GML) description of reference system.
cited responsible party - publisher
organisation Name  European Petroleum Survey Group
Contact information
Linkage for online resource
name European Petroleum Survey Group Geodetic Parameter Registry
URL:http://www.epsg-registry.org/
link function search
Description Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
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reference system 2

Reference System Identifier
Identifier string: Ellipsoid in Meters
Identifier code space:  Local Vertical Reference
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Scope of quality information
scope level  dataset
Resource lineage description
AbsoluteExternalPositionalAccuracy
name Of Measure Horizontal Positional Accuracy Report
evaluation Method Description  FEMA LiDAR Specifications
AbsoluteExternalPositionalAccuracy
name Of Measure Vertical Positional Accuracy Report
evaluation Method Description  FEMA LiDAR Specifications; +/- 18 cm in open terrain
Completeness Commission
evaluation Method Description  None
ConceptualConsistency
measure Description  None

Resource distribution information

Distributor
distributor contact - distributor
organisation Name  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Contact information
Telephone
Voice 843-740-1200
Address
2234 South Hobson Ave., Charleston, SC, 29405-2413
electronic Mail Addresscoastal.info@noaa.gov
Linkage for online resource
URL:http://coast.noaa.gov
Standard ordering process
Ordering Instructions  The National Geophysical Data Center serves as the archive for this LIDAR data. NGDC should only be contacted for this data if it cannot be obtained from NOAA Coastal Services Center.
Distributor
distributor contact - distributor
individual Name Mike Sutherland
organisation Name  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Contact information
Telephone
Voice 303-497-6120
Fax 303-497-6513
Address
NOAA/NESDIS/NGDC E/GC1 325 Broadway, Boulder, CO, 80305-3328 Country USA
electronic Mail Addressmike.sutherland@noaa.gov
hoursOfService 7:30am-5:00pm Mountain
Standard ordering process
Ordering Instructions  The National Geophysical Data Center serves as the archive for this LIDAR dataset. NGDC should only be contacted for the data if it cannot be obtained from NOAA Coastal Services Center.
Format
Format name LAZ
Format version
Metadata data stamp:  2013-06-11
Resource Maintenance Information
date of next update:  2014-06-11
maintenance or update frequency:  annually
notes: This metadata was automatically generated from the FGDC Content Standards for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2013-01-04 version of the FGDC RSE to ISO 19115-2 for LiDAR transform.
notes: Translated from FGDC 2013-06-11T09:44:15.128-06:00
notes: Last Metadata Review Date: 2011-11-19
Metadata contact - author
individual Name Mike Sutherland
organisation Name  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Contact information
Telephone
Voice 303-497-6120
Fax 303-497-6513
Address
NOAA/NESDIS/NGDC E/GC1 325 Broadway, Boulder, CO, 80305-3328 Country USA
electronic Mail Addressmike.sutherland@noaa.gov
hoursOfService 7:30am-5:00pm Mountain
Metadata scope code  dataset
Metadata language  eng; USA
Metadata character set encoding:   utf8
Metadata standard for this record:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
standard version:  ISO 19115-2:2009(E)
Metadata record identifier:  gov.noaa.csc.maps:2006_TX_Chambers_m90

Metadata record format is ISO19139-2 XML (MI_Metadata)