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2007 Florida Division of Emergency Management (FDEM) Lidar Project: Nassau County

spatialRepresentationInfo
referenceSystemInfo
referenceSystemInfo
identificationInfo
distributionInfo
dataQualityInfo
metadataMaintenance

 (MI_Metadata)
    fileIdentifier:  gov.noaa.csc.maps:2007_FDEM_Nassau_m557
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        individualName:  Mike Sutherland
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  303-497-6120
                facsimile:  303-497-6513
            address:  (CI_Address)
                deliveryPoint:  NOAA/NESDIS/NGDC E/GC1 325 Broadway
                city:  Boulder
                administrativeArea:  CO
                postalCode:  80305-3328
                country:  USA
                electronicMailAddress:  mike.sutherland@noaa.gov
            hoursOfService:  7:30am-5:00pm Mountain
        role:  (CI_RoleCode) author
    dateStamp:  2013-06-07
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    spatialRepresentationInfo:  (MD_VectorSpatialRepresentation)
        geometricObjects:  (MD_GeometricObjects)
            geometricObjectType:  (MD_GeometricObjectTypeCode) point
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  North American Datum 1983
                alternateTitle:  NAD83
                date:  (CI_Date)
                    date:  2007-01-19
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
                            name:  NAD83
                            description:  Link to Geographic Markup Language (GML) description of reference system.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
                            function:  (CI_OnLineFunctionCode) search
                    role:  (CI_RoleCode) publisher
            code:  urn:ogc:def:crs:EPSG::4269
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            code:  Ellipsoid in Meters
            codeSpace:  Local Vertical Reference
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  2007 Florida Division of Emergency Management (FDEM) Lidar Project: Nassau County
            date:  (CI_Date)
                date:  2008-01-01
                dateType:  (CI_DateTypeCode) publication
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  csc.info@noaa.gov
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  Florida Division of Emergency Management (FDEM)
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  850-413-9969
                    address:  (CI_Address)
                        deliveryPoint:  2555 Shumard Oak Boulevard
                        city:  Tallahassee
                        administrativeArea:  FL
                        postalCode:  32399-2100
                        country:  USA
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  csc.info@noaa.gov
                role:  (CI_RoleCode) publisher
            presentationForm:  (CI_PresentationFormCode) imageDigital
        abstract:  This report pertains to a Specific Purpose LiDAR Survey of Nassau County, Florida. The LiDAR aerial acquisition was conducted by Terrapoint USA between August 18, 2007 and September 4, 2007, and the breaklines and contours were subsequently generated by Dewberry. The PDS team is under contract HS-34-14-00-22-469 with the Florida Division of Emergency Management (FDEM) and offered LiDAR and derived products as an add-on agreement with Nassau County at the same rates as negotiated for the FDEM contract and utilizing the same Baseline Specifications from FDEM. The LiDAR dataset of Nassau County was acquired by Terrapoint USA and processed to a bare-earth digital terrain model (DTM) in accordance with FDEM Baseline Specifications. Detailed breaklines and contours were also produced by the PDS team. Each tile covers an area of 5000 ft by 5000 ft. The FDEM Baseline Specifications require a maximum LiDAR post spacing of 4 feet, i.e., an average point density of less than 1 point per square meter. However, the PDS team required a much higher point density of its subcontractors in order to increase the probability of penetrating dense foliage; with nominal post spacing of 0.7 meters per flight line and 50% sidelap between flight lines, the average point density is 4 points per square meter with higher point density there is a greater probability of penetrating dense vegetation and minimizing areas defined as "low confidence areas." LiDAR was delivered as a point cloud in LAS 1.1 format.
        purpose:  These data support the Florida Division of Emergency Management's (FDEM) development and maintenance of Regional Evacuation Studies, which include vulnerability assessments and assist disaster response personnel in understanding threats to Florida's citizens and visitors.
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  Florida Division of Emergency Management (FDEM)
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  850-413-9969
                address:  (CI_Address)
                    deliveryPoint:  2555 Shumard Oak Boulevard
                    city:  Tallahassee
                    administrativeArea:  FL
                    postalCode:  32399-2100
                    country:  USA
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        graphicOverview:  (MD_BrowseGraphic)
            fileName:  ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/nassau/2007_FDEM_Lidar_Nassau_County.kmz
            fileDescription:  This kmz file shows the extent of coverage for the 2007 FDEM Nassau County, FL lidar data set.
            fileType:  kmz
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Bathymetry/Topography
            keyword:  DTM
            keyword:  Elevation
            keyword:  Lidar
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  None
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  US
            keyword:  Florida
            keyword:  Nassau County
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  None
                date:
        resourceConstraints:  (MD_Constraints)
            useLimitation:  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.
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  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.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Lidar Dataset Supplemental Information
                date:
                citedResponsibleParty:  (CI_ResponsibleParty)
                    positionName:  Citation URL
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage:  ftp://csc.noaa.gov/pub/DigitalCoast/lidar1_z/geoid12a/data/557/supplemental/
                            name:  Where they exist, the supplemental information folder will include acquisition and QA/QC reports, breaklines, a footprint of the spatial extent of the data and other relevant related information
                            description:
                            function:  (CI_OnLineFunctionCode) information
                    role:
            associationType:  (DS_AssociationTypeCode) crossReference
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) vector
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) elevation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -84.748761
                eastBoundLongitude:  -84.083288
                southBoundLatitude:  29.962468
                northBoundLatitude:  30.306119
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2007-08-18
                    endPosition:  2007-10-04
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  LAZ
            version:
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  csc.info@noaa.gov
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                orderingInstructions:  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:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                individualName:  Mike Sutherland
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  303-497-6120
                        facsimile:  303-497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC E/GC1 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  mike.sutherland@noaa.gov
                    hoursOfService:  7:30am-5:00pm Mountain
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                orderingInstructions:  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.
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy Report
            evaluationMethodDescription:  Lidar source compiled to meet 1m horizontal accuracy.
            result:
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            measureDescription:  The PDS team does not perform independent horizontal accuracy testing on the Lidar. Lidar vendors perform calibrations on the Lidar sensor and compare data to adjoing flight lines to ensure Lidar meets the 1 meter horizontal accuracy standard at the 95% confidence level.
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:
                value:
                  Record:  1
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy Report
            evaluationMethodDescription:  The LiDAR is required to meet .60 feet Fundamental Vertical Accuracy (FVA) and 1.19 feet Consolidated Vertical Accuracy (CVA).
            result:
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy
            measureDescription:  Based on the vertical accuracy testing conducted by PDS, using NSSDA and FEMA guidelines, vertical accuracy at the 95% confidence level (called Accuracyz) is computed by the formula RMSEz x 1.9600. The dataset for Nassau County, Florida satisfies the criteria: Countywide lidar dataset tested .60 feet vertical accuracy at 95% confidence level in open terrain, based on open terrain RMSEz (.31') x 1.9600. Countywide lidar dataset tested .98 feet vertical accuracy at 95% confidence level in all land cover categories combined, based on consolidated RMSEz (.50') x 1.9600.
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:
                value:
                  Record:  0.60
        report:  (DQ_CompletenessCommission)
            evaluationMethodDescription:  A visual qualitative assessment was performed to ensure the data completness against the intensity images derived from Lidar points. No void or missing data.
            result:
        report:  (DQ_ConceptualConsistency)
            measureDescription:  Data covers the tile scheme provided for the county.
            result:
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  The ABGPS, IMU, and raw Optech 3100ea LiDAR scans are integrated using Optech Incorporated's DASHMap, version 1.1 software, Terrascan software and Microstation software. The resultant file is in a LAS binary file format. The LAS file version 1.1 format can be easily transferred from one file format to another. It is a binary file format that maintains information specific to the LiDAR data (return#, intensity value, xyz, etc.). The resultant points are referenced to the NAD83 horizontal datum and GRS80 vertical datum. The date and time for each flight line can be determined using the Julian date and time. The Julian date is a continuous count of days and fractions since noon Universal Time on January 1, 4713 BCE on the Julian Calendar.
                dateTime:
                  DateTime:  2008-01-01T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Terrapoint USA
                    positionName:  LiDAR Manager
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  1-877-999-7687
                            facsimile:  1-281-296-0869
                        address:  (CI_Address)
                            deliveryPoint:  251216 Grogan's Park Drive
                            city:  The Woodlands
                            administrativeArea:  Texas
                            postalCode:  77380
                            country:  USA
                            electronicMailAddress:  peggy.cobb@terrapoint.com
                        hoursOfService:  Monday to Friday, 8 - 5, CST
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The unedited data are classified to facilitate the application of the appropriate feature extraction filters. A combination of proprietary filters are applied as appropriate for the production of bare earth digital terrain models (dtms). Interactive editing methods are applied to those areas where it is inappropriate or impossible to use the feature extraction filters, based upon the design criteria and/or limitations of the relevant filters. These same feature extraction filters are used to produce elevation height surfaces. The LiDAR mass points were delivered in American Society for Photogrammetry and Remote Sensing LAS 1.1 format. The header file for each dataset is complete as define by the LAS 1.1 specification. In addition the following fields are included (Precision reported in brackets): Class (Integer); GPS Week Time (0.0001 seconds); Easting (0.01 meter); Northing (0.01 meter); Elevation (0.01 meter); Echo Number (Integer 1 to 4); Echo (Integer 1 to 4); Intensity (8 Bit Integer); Flightline (Integer); Scan Angle (Integer Degree). The LAS files do not include overlap. The data was classified as follows: Class 1 = Unclassified. This class includes vegetation, buildings, noise etc. Class 2 = Ground Class 7 = Noise Class 9 = Water
                dateTime:
                  DateTime:  2008-01-01T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Terrapoint USA
                    positionName:  LiDAR Manager
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  1-877-999-7687
                            facsimile:  1-281-296-0869
                        address:  (CI_Address)
                            deliveryPoint:  251216 Grogan's Park Drive
                            city:  The Woodlands
                            administrativeArea:  Texas
                            postalCode:  77380
                            country:  USA
                            electronicMailAddress:  peggy.cobb@terrapoint.com
                        hoursOfService:  Monday to Friday, 8 - 5, CST
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The NOAA Coastal Services Center (CSC) received the files in las format. The files contained Lidar elevation and intensity measurements. The data were in projected in Florida State Plane Coordinates (East Zone, NAD83/HARN), and referenced to the orthometric datum of NAVD88 utilizing Geoid 03. CSC performed the following processing to the data to make it available within the Digital Coast: 1. The data were converted from State Plane Coordinates (NAD83/HARN) coordinates to geographic coordinates (NAD83). 2. The data were converted from NAVD88 (orthometric) heights to GRS80 (ellipsoid) heights using Geoid 03. 3. The LAS data were sorted by latitude and the headers were updated.
                dateTime:
                  DateTime:  2010-10-20T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  843-740-1200
                        address:  (CI_Address)
                            deliveryPoint:  2234 South Hobson Ave.
                            city:  Charleston
                            administrativeArea:  SC
                            postalCode:  29405-2413
                            electronicMailAddress:  csc.info@noaa.gov
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The NOAA National Geophysical Data Center (NGDC) received lidar data files via ftp transfer from the NOAA Coastal Services Center. The data are currently being served via NOAA CSC Digital Coast at http://www.csc.noaa.gov/digitalcoast/. The data can be used to re-populate the system. The data are archived in LAS or LAZ format. The LAS format is an industry standard for LiDAR data developed by the American Society of Photogrammetry and Remote Sensing (ASPRS); LAZ is a loseless compressed version of LAS developed by Martin Isenburg (http://www.laszip.org/). The data are exclusively in geographic coordinates (either NAD83 or ITRF94). The data are referenced vertically to the ellipsoid (either GRS80 or ITRF94), allowing for the ability to apply the most up to date geoid model when transforming to orthometric heights.
                dateTime:
                  DateTime:  2011-09-19T00:00:00
                processor:  (CI_ResponsibleParty)
                    individualName:  Pamela Grothe
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        contactInstructions:  Contact Data Center
                    role:  (CI_RoleCode) processor
            source:  (LI_Source)
                description:  Source Contribution: LiDAR dataset was used to create intensity stereopairs for 3D breakline compilation and for contour generation.Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  Lidar
                    date:  (CI_Date)
                        date:  2007-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Terrapoint USA
                        role:  (CI_RoleCode) originator
                    presentationForm:  (CI_PresentationFormCode) mapDigital
                    otherCitationDetails:  LiDAR Survey of Nassau County, Florida, conducted in 2007 in support of the Florida Division of Emergency Management (FDEM).
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2007-08-18
                            endPosition:  2007-10-15
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        dateOfNextUpdate:  2014-06-07
        maintenanceNote:  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.
        maintenanceNote:  Translated from FGDC 2013-06-07T12:41:40.72-06:00
        maintenanceNote:  Last Metadata Review Date: 2011-09-19