Coastal Bend Texas Benthic Habitat Mapping Reprocessed DOQQ Aerial Imagery (NODC Accession 0086051)

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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)
Publication_Date: 20071219
Publication_Time: Unknown
Title:
Coastal Bend Texas Benthic Habitat Mapping Reprocessed DOQQ Aerial Imagery (NODC Accession 0086051)
Geospatial_Data_Presentation_Form: remote-sensing image
Publication_Information:
Publication_Place: Charleston, SC
Publisher: NOAA’s Ocean Service, Coastal Services Center (CSC)
Online_Linkage: <http://data.nodc.noaa.gov/accession/0086051>
Online_Linkage: <http://www.csc.noaa.gov/digitalcoast>
Description:
Abstract:
In 2006 and 2007 the NOAA Coastal Services Center purchased services to reprocess existing digital multi-spectral imagery (ADS-40) and create digital benthic habitat data from this imagery for selected Texas coastal bend bays. The Center worked cooperatively with the Texas Parks and Wildlife Department (TPWD) and the Texas A&M University Center for Coastal Studies to develop benthic habitat data, primarily Submerged Aquatic Vegetation (SAV) for several coastal bays. This data will support the state's recently adopted Seagrass Monitoring Program which calls for regional mapping of SAV for status and trends assessment. The Center, Texas A&M, and TPWD have coordinated on the requirements of this project.
Purpose:
These data have been created as a result of the need for having geospatial data immediately available and easily accessible in order to enhance the capability of the NOAA Coastal Services Center (CSC)
Supplemental_Information:
The bounding coordinates provided within the Spatial Domain section represent a rectangle covering the total area in which the project is located. The actual project boundary located within this area is comprised of 6 areas along the coast of the state of Texas. The geographic Corpus Christi Bay - ~356 sq mi , Redfish Bay - ~62 sq mi, Aransas Bay - ~285 sq mi, and Copano Bay - ~158 sq mi, Upper Laguna Madre - ~313 sq mi, and Baffin Bay - ~232 sq mi. A total of 762 orthos (381 natural color and 381color infrared) were produced to cover this area. Aerial imagery was collected in panchromatic, Red, Green, Blue and Near Infrared which yielded a natural color and false color infrared version of the completed digital orthophotography.The ADS40 digital camera system used for this imagery incorporates the latest in sensor technology, optics, electronics, data transfer, and storage. The ADS40 imagery is generated from seven parallel sensor lines in the focal plane of a single lens system, three panchromatic (forward, nadir, backward), red, green, and blue lines placed next to each other, and one infrared. Each panchromatic channel consists of two lines, each with 12,000 pixels, staggered (shifted with respect to each other) by 0.5 pixels. The viewing angles and characteristics of the sensor are as follows - - Focal length 62.5mm - Pixel size 6.5mm - PAN 2 arrays 12,000 pixels each - R,G,B and NIR,R,G 12,000 pixels - Backward to nadir stereo angle -14.1 degrees - Near infrared to nadir stereo angle -2.05 degrees - Dynamic Range of CCD - 12-bits for all arrays. For this dataset, the natural color and color infrared orthoimages were reprocessed at 0.50-meter pixel resolution. Each digital orthorectified quarter quad provides imagery for a nominal 3.75 by 3.75 minute area corresponding to the USGS quarter quad boundaries. An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically emoved. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20070823
Currentness_Reference: Publication Date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -097.743558
East_Bounding_Coordinate: -096.710731
North_Bounding_Coordinate: 28.256790
South_Bounding_Coordinate: 26.939030
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Theme Theme_Keyword_Thesaurus
Theme_Keyword: Texas Seagrass Monitoring Program
Theme_Keyword: Digital Orthophotography
Theme_Keyword: Aerial Photography
Theme_Keyword: ADS40
Theme_Keyword: Digital Orthophoto Quarter Quad (DOQQ)
Theme_Keyword: Color Infrared DOQQ
Theme_Keyword: Natural Color DOQQ
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: imageryBaseMapsEarthCover
Theme_Keyword: 010
Theme:
Theme_Keyword_Thesaurus: CoRIS Theme Thesaurus
Theme_Keyword: EARTH SCIENCE > Mapping > Base map > Aerial Photography
Theme_Keyword: EARTH SCIENCE > Mapping > Base map > Orthophotography
Theme:
Theme_Keyword_Thesaurus: CoRIS Discovery Thesaurus
Theme_Keyword: Map Images > Aerial Photographs
Place:
Place_Keyword_Thesaurus: Geographic Names Information System
Place_Keyword: Texas
Place_Keyword: TX
Place_Keyword: US
Place:
Place_Keyword_Thesaurus: CoRIS Place Thesaurus
Place_Keyword: OCEAN BASIN > Atlantic Ocean > Gulf of Mexico > Texas
Place_Keyword: COUNTRY/TERRITORY > United States of America > Texas
Place_Keyword: OCEAN BASIN > Atlantic Ocean > Gulf of Mexico
Access_Constraints: None
Use_Constraints: None
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro EarthData, Inc.
Contact_Person: Harold Rempel
Contact_Position: Director of Program Management
Contact_Address:
Address_Type: mailing and physical
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: hrempel@earthdata.com
Hours_of_Service: 9:00am - 5:00pm
Data_Set_Credit: NOAA Coastal Services Center
Native_Data_Set_Environment: Windows NT/2000 Systems, GPro/LPS, Leica ORIMA

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Horizontal accuracy of the reprocessed source imagery was verified to be better than 5 meters at 90% confidence level in accordance with National Map Accuracy Standards for a 1-meter GSD.
Logical_Consistency_Report:
For the reprocessed imagery, compliance with the accuracy standard was ensured by the placement of photo identifiable ground control points. A total of 18 photo identifiable ground survey points was used for the calculations. An RMS value was calculated based on the imagery reprocessed for this project by comparing the aerotriangulated X and Y coordinates. This value represents an estimate of the accuracy of the horizontal coordinate measurements in the tile expressed in meters.
Completeness_Report:
Compliance with the accuracy standard for the reprocessed imagery was ensured by the placement of photo identifiable ground control points and the collection of airborne GPS data.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Accuracy assessment determined by evaluating the horizontal accuracy obtained during the aerotriangulation process for each lift for the reprocessed imagery.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: None
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Terrasurv Inc.
Publication_Date: 20051109
Title: REPORT OF GPS SURVEY TEXAS COASTAL AREA MAPPING
Geospatial_Data_Presentation_Form: model
Source_Scale_Denominator: 1000
Type_of_Source_Media: paper
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20051017
Ending_Date: 20051019
Source_Currentness_Reference: Ground Condition
Source_Citation_Abbreviation: GPS Ground Control
Source_Contribution:
TerraSurv, Inc. of Pittsburgh, PA was contracted by EarthData International of Frederick, MD to perform a geodetic control survey in support of mapping an area along the southeasterly coast of Texas between Port Lavaca and Brownsville. Thirty-eight photo identifiable locations were surveyed to provide ground control and quality assurance checks for the mapping. Twenty of the stations were used for mapping control and eighteen of the stations were used for quality checks. The horizontal datum was the North American Datum of 1983, CORS adjustment (NAD 1983 CORS). The vertical datum was the North American Vertical Datum of 1988 (NAVD 1988).
Process_Step:
Process_Description:
The digital orthophotography was developed from imagery acquired at a resolution of 0.9 meters as part of the 2004 overflight of the State of Texas developed for the USDA National Agricultural Imagery Program (NAIP). In order to achieve a horizontal accuracy of 5 meters, CE90 it was necessary to reprocess the imagery incorporating new GPS field control. It should be noted that the imagery was not tide coordinated so tidal variation may exist between sorties. The imagery was acquired between November 3, 2004 and November 7, 2004. Imagery was flown with Leica ADS40 digital sensors to capture 0.9m raw data. Raw data was then downloaded using Leica GPro software into 12 bit TIFF format. The raw TIFF imagery was then georeferenced and reprojected using GPS/INS 200Hz exterior orientation information (x/y/z/o/p/k) to allow stereo viewable imagery. This stereo viewable imagery was processed with the GPro/LPS automatic point matching algorithm to determine common match points every 2000 pixels across the imagery strip and 333 pixels along strip. This pattern included dual rows of line ties to the adjacent line of imagery. The resulting point data was imported into Leica ORIMA and used to perform a full bundle adjustment of the imagery point data. Any blunders were removed, and weak areas were manually supplemented to ensure good coverage of points. TerraSurv, Inc. of Pittsburgh, PA was contracted by EarthData International of Frederick, MD to perform a geodetic control survey in support of mapping an area along the southeasterly coast of Texas between Port Lavaca and Brownsville. Thirty-eight photo identifiable locations were surveyed to provide ground control and quality assurance checks for the mapping. Twenty of the stations were used for mapping control and eighteen of the stations were used for quality checks. The horizontal datum was the North American Datum of 1983, CORS adjustment (NAD 1983 CORS). The vertical datum was the North American Vertical Datum of 1988 (NAVD 1988). These control points were incorporated into the ORIMA bundle adjustment to ensure absolute accuracy requirements were met. The 18 quality check points coordinates were solved for in the bundle adjustment and compared to the surveyed results. The output from this bundle adjustment process was revised exterior orientation data for the sensor with any GPS/INS, datum, and sensor calibration errors modeled and compensated for. Using this revised EO data orthorectified image strips were created using the USGS NED DEM. The 10m NED DEM was used where available and 30m DEM was used elsewhere. The orthorectified image strips were processed with a internally developed routine that compensates for the bi-directional reflectance function that is caused by the sun's position relative to the image area. This compensated imagery was then imported into Inpho's OrthoVista 4.0 package which was used for the final radiometric balance, mosaic, and DOQQ sheet creation. These final DOQQ sheets contained a 300m minimum buffer. The sheets for the project area were then resampled to 2m and mosaicked. For habitat classification, the mosaicked imagery was divided into six processing one set of six mosaics for true color and one set of six mosaics for color-IR. Image segmentation was performed using on the blue, green, red, and near-infrared bands for each of the six processing areas.
Source_Used_Citation_Abbreviation: GPS Ground Control
Process_Date: 20070809
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Fugro EarthData, Inc.
Contact_Person: Harold Rempel
Contact_Position: Director of Program Management
Contact_Address:
Address_Type: mailing and physical
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: hrempel@earthdata.com
Hours_of_Service: 9:00am - 5:00pm

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 14
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -099.000000
Latitude_of_Projection_Origin: +00.000000
False_Easting: 500000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 1.0
Ordinate_Resolution: 1.0
Planar_Distance_Units: Meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000000000000000
Denominator_of_Flattening_Ratio: 298.257222096042310000

Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview: Digital Imagery
Entity_and_Attribute_Detail_Citation: Not applicable

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Person: Clearinghouse Manager
Contact_Position: Clearinghouse Manager
Contact_Address:
Address_Type: mailing and physical
Address: 2234 South Hobson Avenue
City: Charleston
State_or_Province: SC
Postal_Code: 29405-2413
Country: USA
Contact_Voice_Telephone: 843-740-1210
Contact_Facsimile_Telephone: 843-740-1224
Contact_Electronic_Mail_Address: clearinghouse@noaa.gov
Hours_of_Service: Monday-Friday, 8-5 EST
Resource_Description: Downloadable Data
Distribution_Liability:
Users must assume responsibility to determine the usability of these data.

Metadata_Reference_Information:
Metadata_Date: 20130829
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Person: Metadata Specialist
Contact_Position: Metadata Specialist
Contact_Address:
Address_Type: mailing and physical
Address: 2234 S Hobson Ave.
City: Charleston
State_or_Province: SC
Postal_Code: 29405
Country: USA
Contact_Voice_Telephone: 843-740-1210
Contact_Facsimile_Telephone: 843-740-1224
Contact_Electronic_Mail_Address: csc@noaa.gov
Hours_of_Service: 8:00 am to 5:00 pm EST
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

CoRIS:
CoRIS_Metadata_Link:
<http://www.coris.noaa.gov/metadata/records/html/TX_ads40_0086051.html>
CoRIS_Tracking_ID: 6813

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