DTM_N6000W15315

Metadata also available as

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Fugro EarthData, Inc.
Publication_Date: 20170120
Publication_Time: Unknown
Title: DTM_N6000W15315
Edition: 1st Edition
Geospatial_Data_Presentation_Form: remote-sensing image
Other_Citation_Details: Unclassified
Description:
Abstract:
This metadata record describes the production of (62) 15' tiles in Cells 276, 277, 305 and 306 for the AK Chugach2 IfSAR Overcollect 2016-D16.Fugro Geospatial completed all phases of production,under subcontract to USGS S/C #USGS-G16PC00020-FGI. Task Order #3.
Purpose:
USGS contracted the production of this dataset for the purpose of assessing the use of GeoSAR Interferometric Synthetic Aperture Radar (IFSAR) in mapping the state of Alaska.
Supplemental_Information: Unclassified
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20140829
Beginning_Time: unknown
Ending_Date: 20140912
Ending_Time: unknown
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -153.262051
East_Bounding_Coordinate: -152.985877
North_Bounding_Coordinate: +60.254824
South_Bounding_Coordinate: +59.995171
Keywords:
Theme:
Theme_Keyword_Thesaurus: Terms
Theme_Keyword: Interferometric Synthetic Aperture Radar (IFSAR)
Theme_Keyword: GeoSAR
Theme_Keyword: Digital Elevation Model (DEM)
Theme_Keyword: Orthorectified RADAR Image (ORI)
Theme_Keyword: Digital Surface Model (DSM)
Theme_Keyword: Digital Terrain Model (DTM)
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: United States of America
Place_Keyword: Alaska
Access_Constraints: Unclassified
Use_Constraints: Unclassified
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro Geospatial, Inc.
Contact_Person: Joseph Jones
Contact_Position: Project Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7320 Executive Way
City: Frederick
State_or_Province: MD
Postal_Code: 21704
Country: USA
Contact_Voice_Telephone: 301-948-8550
Contact_Facsimile_Telephone: 301-963-2064
Contact_Electronic_Mail_Address: jw.jones@fugro.com
Hours_of_Service: Monday - Friday, 8:00am - 5:00pm
Security_Information:
Security_Handling_Description: FOUO
Security_Classification: Unclassified
Security_Classification_System: Unclassified
Native_Data_Set_Environment:
Microsoft Windows 7 Professional Service Pack 1; ESRI ArcCatalog 10.3.1.4959
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Fugro EarthData established a fixed base station used for differential global positioning of the aircraft during acquisition. The base station was located at Ted Stevens Anchorage International Airport and the FBO was at Million Air in Anchorage Alaska. Precise Latitude 61 09 51.89 (dms), Longitude -149 58 51.91 (dms), Ellipsoidal Height 61.838 (m).
Logical_Consistency_Report:
Any anomalies in the GeoSAR DEM such as noise, spikes, or wells are remediated during a DEM inspection. Proprietary Fugro EarthData software is used to remove identified pixels and interpolate the voids; ensuring logical consistency of the GeoSAR DEM. LiDAR profiler data is used to validate the consistency of the GeoSAR DEM. The GeoSAR DEM, GeoSAR ORI, GeoSAR DTM and GeoSAR DSM are computed using the same bundle adjustment to ensure co-registration between products.
Completeness_Report:
The data is checked for completeness by ensuring that the GeoSAR DEM, ORI, DTM and DSM cover the entire project area. Due to processing differences between the ORI and DEM data, there are some islands present in the ORI data that have elevation data in the DEM equal to the water surrounding the islands. These areas have purposely been left as islands in the ORI data and filled with hydro elevation values in the DEM data. Voids found in the GeoSAR DEM are filled by interpolation or adjusted elevation data from the National Elevation Dataset (NED) using proprietary Fugro EarthData software. All voids are recorded in the Voids_With_Fill_Surface shapefile. The islands mentioned above are identified in the void shapefile as filled with GeoSAR Hydro Elevation.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Prior to acquisition ground reflectors were placed in project area and surveyed for their precise location. Proprietary Fugro EarthData software is used to locate reflector sites in GeoSAR DTM and DSM. Reflector locations in GeoSAR DTM and DSM are compared to surveyed ground locations using proprietary Fugro EarthData software to evaluate horizontal accuracy. Reference Quality Report for results.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
LiDAR profiler data is automatically filtered to select points in open terrain throughout the project area. The filtered LiDAR data set is then used as control points in analyzing the vertical accuracy of GeoSAR DTM and DSM. Proprietary Fugro EarthData software is utilized for comparing the GeoSAR DTM and DSM to LiDAR control points. Prior to acquisition ground reflectors were placed in project area and surveyed for their precise location. Proprietary Fugro EarthData software is used to locate reflector sites in GeoSAR DTM and DSM. Reflector locations in GeoSAR DTM and DSM are compared to surveyed ground locations using proprietary Fugro EarthData software to evaluate vertical accuracy. The specification RMSE in areas of 0 - 10 degree slope is 1.85 meters. The delivered RMSE in areas of 0 - 10 degree slope is 1.036 meters. The delivered RMSE value has been calculated using 26 LiDAR ground points.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Fugro Geospatial, Inc.
Publication_Date: 20170120
Publication_Time: Unknown
Title: Raw Interferometric Synthetic Aperture Radar Data
Geospatial_Data_Presentation_Form: remote-sensing image
Type_of_Source_Media: Firewire
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20140829
Ending_Date: 20140912
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: GeoSAR Interferometric Synthetic Aperture Radar
Source_Contribution:
Fugro Geospatial's GeoSAR Field Operations Department deployed to Alaska, USA from August 29,2014 through September 12,2014. The mission consisted of 13 sorties, 68 flight lines, and 24,345 linear kilometers.
Process_Step:
Process_Description:
Once the motion data and respective raw data were collected and delivered, an initial quality check was performed. Preliminary MMP (Motion Measurement Processing) is a proprietary program in which the motion data of each segment was analytically viewed in graphical form for the determination of which data was within specifications and therefore should be used in product. At this point the acceptable raw data were registered to the motion data as 32 bit magnitude and elevation files and were ready to be unwrapped, viewed, and edited.
Process_Date: 20140107
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro Geospatial, Inc.
Contact_Person: Joseph Jones
Contact_Position: Project Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7320 Executive Way
City: Frederick
State_or_Province: MD
Postal_Code: 21704
Country: USA
Contact_Voice_Telephone: 301-948-8550
Contact_Facsimile_Telephone: 301-963-2064
Contact_Electronic_Mail_Address: jw.jones@fugro.com
Hours_of_Service: Monday - Friday, 8:00am - 5:00pm
Process_Step:
Process_Description:
Each flight line contains 4 swaths; a right looking X-Band swath, a left looking X-Band swath, a right looking P-Band swath and a left looking P-Band swath. Each segment is setup for and interferometric processing and edited for anomalies, artifacts, dropouts and incorrect ambiguities. Finally, a proprietary radiometric program was run to balance intensity values and the segments were ready for mosaicking.
Process_Date: 20140107
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro Geospatial, Inc.
Contact_Person: Joseph Jones
Contact_Position: Project Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7320 Executive Way
City: Frederick
State_or_Province: MD
Postal_Code: 21704
Country: USA
Contact_Voice_Telephone: 301-948-8550
Contact_Facsimile_Telephone: 301-963-2064
Contact_Electronic_Mail_Address: jw.jones@fugro.com
Hours_of_Service: Monday - Friday, 8:00am - 5:00pm
Process_Step:
Process_Description:
Common points between overlapping swaths are automatically determined using proprietary Fugro Geospatial software. Using these common points, a best fit solution is determined. Swaths are combined using the best fit solution to create final GeoSAR ORI, GeoSAR DSM, and GeoSAR DTM mosaics; during this process the swaths are converted from a local coordinate system to a global coordinate system. The finished mosaics are inspected and packaged for delivery. The final GeoSAR ORI, GeoSAR DSM, and GeoSAR DTM products are delivered as GeoTIFF files.
Process_Date: 20140107
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro Geospatial, Inc.
Contact_Person: Joseph Jones
Contact_Position: Project Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7320 Executive Way
City: Frederick
State_or_Province: MD
Postal_Code: 21704
Country: USA
Contact_Voice_Telephone: 301-948-8550
Contact_Facsimile_Telephone: 301-963-2064
Contact_Electronic_Mail_Address: jw.jones@fugro.com
Hours_of_Service: Monday - Friday, 8:00am - 5:00pm
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: C:\DOCUME~1\bbeavers\LOCALS~1\Temp\xml2D.tmp
Process_Date: 20141018
Process_Time: 10510800
Cloud_Cover: 0
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 5958
Column_Count: 3220
Vertical_Count: 1
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Albers Conical Equal Area
Albers_Conical_Equal_Area:
Standard_Parallel: 55.000000
Standard_Parallel: 65.000000
Longitude_of_Central_Meridian: -154.000000
Latitude_of_Projection_Origin: 50.000000
False_Easting: 0.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 5.000000
Ordinate_Resolution: 5.000000
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: NAD83 CORS96 Epoch 2003.00
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum of 1988, Geoid 2009
Altitude_Resolution: 1.0
Altitude_Distance_Units: Meters
Altitude_Encoding_Method:
Explicit elevation coordinate included with horizontal coordinates
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
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Entity_and_Attribute_Detail_Citation: Fugro Geospatial, Inc.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Dewberry
Contact_Person: David Maune
Contact_Address:
Address_Type: mailing and physical address
Address:
8401 Arlington Blvd. Dept. 1463
City: Fairfax
State_or_Province: VA
Postal_Code: 22031-4666
Contact_Voice_Telephone: 703-849-0396
Contact_Electronic_Mail_Address: dmaune@dewberry.com
Resource_Description: Downloadable Data
Distribution_Liability: None
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: TIFF
File_Decompression_Technique: no compression applied
Transfer_Size: 320
Digital_Transfer_Option:
Offline_Option:
Offline_Media: Harddrives
Recording_Format: native
Fees: Contact Project Manager
Metadata_Reference_Information:
Metadata_Date: 20170120
Metadata_Review_Date: 20170120
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro Geospatial, Inc.
Contact_Person: Joseph Jones
Contact_Position: Project Manager
Contact_Address:
Address_Type: mailing and physical address
Address: 7320 Executive Way
City: Frederick
State_or_Province: MD
Postal_Code: 21704
Country: USA
Contact_Voice_Telephone: 301-948-8550
Contact_Facsimile_Telephone: 301-963-2064
Contact_Electronic_Mail_Address: jw.jones@fugro.com
Hours_of_Service: Monday - Friday, 8:00am - 5:00pm
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Security_Information:
Metadata_Security_Handling_Description:
Unclassified //www.esri.com/metadata/esriprof80.html ESRI Metadata Profile //www.esri.com/metadata/esriprof80.html ESRI Metadata Profile
Metadata_Security_Classification: Unclassified
Metadata_Security_Classification_System: Unclassified

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