2007 JALBTCX Topographic Lidar: Saipan, CNMI

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator:
Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Coastal Services Center (CSC)
Originator:
Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX)
Publication_Date: 20071211
Title: 2007 JALBTCX Topographic Lidar: Saipan, CNMI
Publication_Information:
Publication_Place: Charleston, SC
Publisher: NOAA's Ocean Service, Coastal Services Center (CSC)
Online_Linkage: <http://csc.noaa.gov/htdata/lidar1_z/geoid12a/data/561/>
Online_Linkage: <http://www.csc.noaa.gov/lidar>
Online_Linkage: <http://www.csc.noaa.gov>
Description:
Abstract:
These files contain topographic lidar data collected by the CHARTS system in Saipan, CNMI. This file contains both first and lastreturns. The data points representing bare earth have been classified as such using TerraScan. Classification values are:Class 1: UnclassifiedClass 2: Ground
Purpose:
The purpose of this survey is to collect topographic lidar across the island of Saipan to support the production of 2-foot contours.
Supplemental_Information:
This data set was collected for the CNMI Coastal Resources Management Office, CNMI Department of Public Works, and the CNMI Emergency ManagementOffice. The U.S. Army Corps of Engineers, Honolulu District project manager was Milton Yoshimoto (contact number: 808-438-2250).A footprint of this data set may be viewed in Google Earth at:<ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/cnmi/2007_JALBTCX_Topo_Saipan_Lidar.kmz>
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20070506
Ending_Date: 20070509
Currentness_Reference: Ground Condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As Needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: 145.689546
East_Bounding_Coordinate: 145.830793
North_Bounding_Coordinate: 15.290357
South_Bounding_Coordinate: 15.091355
Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: elevation
Theme_Keyword: 006
Theme:
Theme_Keyword_Thesaurus: CoRIS Discovery Thesaurus
Theme_Keyword: Geographic Information > LiDAR
Theme:
Theme_Keyword_Thesaurus: CoRIS Theme Thesaurus
Theme_Keyword: EARTH SCIENCE > Land Surface > Topography > Terrain Elevation
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Bathymetry/Topography
Theme_Keyword: Lidar
Theme_Keyword: Elevation
Place:
Place_Keyword_Thesaurus: CoRIS Place Thesaurus
Place_Keyword:
OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Saipan Island > Saipan Island (15N145E0002)
Place_Keyword:
COUNTRY/TERRITORY > Northern Mariana Islands > Saipan > Saipan Island (15N145E0002)
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: United States Territory
Place_Keyword: Commonwealth of the Northern Marianas Islands (CNMI)
Place_Keyword: Saipan
Temporal:
Temporal_Keyword_Thesaurus: None
Temporal_Keyword: May 2007
Access_Constraints: None
Use_Constraints:
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 representactual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations.
Data_Set_Credit:
Acknowledgement of the Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX) would be appreciated in any publications orderived products.

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: These data are not attributed.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: N/A
Attribute_Accuracy_Explanation: These data are not attributed.
Logical_Consistency_Report:
The data provided in this file were tested against ground truthed data. At these locations the lidar data matched within 0.20 meters, and differentflight line data agreed within 0.20 meters.
Completeness_Report:
These data covered the required survey area with minimal gaps in data coverage except near tops of mountains. These gaps are caused when the groundelevation rises so steeply that the lidar swath (based on maximum scan angles and altitude) from adjacent flight lines no longer overlap. These gapsare at elevations above the maximum required for this project. The data postings are very consistent with nominal posting density of 1.3 meters.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The data positions were obtained using post processed KGPS methods. The horizontal accuracy of the data is better than +/- 0.75m.
Quantitative_Horizontal_Positional_Accuracy_Assessment:
Horizontal_Positional_Accuracy_Value: 0.75
Horizontal_Positional_Accuracy_Explanation: 1 Sigma
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The data positions were obtained using post processed KGPS methods. The vertical accuracy of the data is better than +/- 0.20m.
Quantitative_Vertical_Positional_Accuracy_Assessment:
Vertical_Positional_Accuracy_Value: 0.20
Vertical_Positional_Accuracy_Explanation: 1 Sigma
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: JALBTCX (comp.)
Publication_Date: Unpublished material
Publication_Time: Unknown
Title: 2007 CNMI Saipan CHARTS Survey
Edition: 1
Geospatial_Data_Presentation_Form: globe
Other_Citation_Details: These data were collected by JALBTCX as project number 07006.
Type_of_Source_Media: hard drive
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20070506
Ending_Date: 20070509
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: Lidar
Source_Contribution: Lidar
Process_Step:
Process_Description:
These data were collected using the CHARTS system. It is owned by the Naval Oceanographic Office (NAVO) and operated through contract.The system collects topographic lidar data at 20kHz and hydrographic data at 3kHz. The system also collects RGB imagery at 1Hz.A CASI-1500 hyperspectral line scanner is integrated with the system as well. Aircraft position, velocity and acceleration information arecollected through a combination of Novatel and POS A/V equipment. Raw data are collected and transferred to the office for downloading andprocessing in SHOALS GCS software. GPS data are processed using POSPac software and the results are combined with the lidar data to produce 3-Dpositions for each lidar shot. These data are edited using Fledermaus software where anomalous data are removed from the dataset. The edited dataare written to the national grid system 1 km tiles using chartsLAS, a program written by NAVO. This program reads data from the original binaryformat files and produces separate ASCII files for first and last return data. Using a model calculated by NAVO, data were converted fromellipsoid to Mean Sea Level heights using the program datum_shift, written by NAVO. The model file Saipan_Adjustment.fin was used forthe corrections. The LAS files output form chartsLAS were read into TerraScan and filters were applied to classify ground points. Points designatedas ground are assigned a classification value "2" and all other points are assigned the classification value "1" which represents an unclassifiedstate.
Process_Date: 20071114
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: JALBTCX
Contact_Position: Data Production Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7225 Stennis Airport Road, STE 100
City: Kiln
State_or_Province: MS
Postal_Code: 39556
Country: USA
Contact_Voice_Telephone: 228-252-1103
Contact_Voice_Telephone: 228-252-1111
Contact_Facsimile_Telephone: 228-252-1133
Contact_Electronic_Mail_Address: shoals-info@sam.usace.army.mil
Hours_of_Service: 8 am to 5 pm Monday through Friday
Process_Step:
Process_Description:
The NOAA Coastal Services Center (CSC) received files in LAS format. The files contained Lidar intensity and elevation measurements.CSC performed the following processing on the data for storage and provisioning purposes within Digital Coast:1. The data were converted from UTM coordinates to geographic coordinates (WGS84).2. The LAS georeferencing information was updated to reflect the tidal vertical datum Mean Sea Level (MSL).3. The LAS headers were updated and sorted by latitude.
Process_Date: 201012
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Position: Clearinghouse Manager
Contact_Address:
Address_Type: mailing and physical
Address: 2234 South Hobson Ave.
City: Charleston
State_or_Province: SC
Postal_Code: 29405
Country: US
Contact_Voice_Telephone: 843-740-1210
Contact_Electronic_Mail_Address: clearinghouse@noaa.gov

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.00000001
Longitude_Resolution: 0.00000001
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: WGS 1984
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.0000
Denominator_of_Flattening_Ratio: 298.257222
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: Mean Sea Level
Altitude_Resolution: 0.01
Altitude_Distance_Units: Meters
Altitude_Encoding_Method:
Explicit elevation coordinate included with horizontal coordinates

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Position: Clearinghouse Manager
Contact_Address:
Address_Type: mailing and physical
Address: 2234 South Hobson Ave.
City: Charleston
State_or_Province: SC
Postal_Code: 29405-2413
Contact_Voice_Telephone: 843-740-1210
Contact_Electronic_Mail_Address: clearinghouse@noaa.gov
Resource_Description: Downloadable Data
Distribution_Liability:
Any conclusions drawn from the analysis of this information are not the responsibility of JALBTCX, the Coastal Services Center,or its partners.
Custom_Order_Process:
This data can be obtained on-line at the following URL: <http://www.csc.noaa.gov/lidar>

Metadata_Reference_Information:
Metadata_Date: 20140717
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Position: Clearinghouse Manager
Contact_Address:
Address_Type: mailing and physical
City: Charleston
State_or_Province: SC
Postal_Code: 29405-2413
Contact_Voice_Telephone: 843-740-1210
Contact_Electronic_Mail_Address: clearinghouse@noaa.gov
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Online_Linkage:
<http://www.ncddc.noaa.gov/metadataresource/metadata-references/files/ncddcmdprofile_v2.pdf>


CoRIS:
CoRIS_Metadata_Link:
<http://www.coris.noaa.gov/metadata/records/html/2007usace_saipan_metadata.html>
CoRIS_Tracking_ID: 6702

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