Slope grid (5 m) derived from gridded bathymetry of US Territory of Guam
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Metadata:
- Identification_Information:
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- Citation:
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- Citation_Information:
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- Originator:
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Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
- Publication_Date: 20110304
- Title:
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Slope grid (5 m) derived from gridded bathymetry of US Territory of Guam
- Geospatial_Data_Presentation_Form: raster digital data
- Online_Linkage: http://www.soest.hawaii.edu/pibhmc
- Online_Linkage: http://www.soest.hawaii.edu/pibhmc/pibhmc_cnmi_gua_geomorph.htm
- Description:
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- Abstract:
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Slope is derived from gridded (5 m cell size) bathymetry from four sources:
Multibeam bathymetry collected by Coral Reef Ecosystem Division aboard NOAA R/V AHI, and
NOAA Ship Hi'ialakai; multibeam bathymetry collected in Apra Harbor by the Naval Oceanographic
Office and NOAA Office of Coast Survey; lidar collected by the Naval Oceanographic Office; and lidar
collected by the Joint Airborne Lidar Bathymetry Technical Center of Expertise.
Cell values reflect the maximum rate of change (in degrees) in elevation between neighboring cells derived with the ArcGIS Spatial Analyst extension.
This data set is for the US Territory of Guam.
- Purpose:
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The data were derived in support of NOAA Coral Reef Conservation
Program goals. Goal 1 is to map all U.S. Coral Reef Ecosystems.
This data set specifically addresses Objective 1 and 4: to develop
high-resolution benthic maps and to characterize priority deep
water reefs and associated habitats. This derivative of bathymetry
provides a GIS layer that may be used for benthic and essential fish
habitat characterization, and for the study of geologic features.
By combining the dataset with bathymetry, backscatter, other
derivatives, and in situ data, they collectively compose benthic
habitat maps which are designed to be used to understand and predict
moderate depth (~20m - 150m) benthic habitats for different
organisms that inhabit coral reef ecosystems.
- Supplemental_Information:
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Gridded multibeam data were collected aboard the Hi'ialakai, a 218
United States National Oceanographic and Atmospheric Administration
(NOAA) research ship, and aboard the R/V AHI
(Acoustic Habitat Investigator), a 25' survey launch owned and
operated by the NOAA Pacific Islands Fisheries Science Center in
Honolulu, HI. These data are integrated with multibeam and lidar
bathymetry data provided by the US Naval Oceanographic Office, NOAA Office of Coast Survey
and the Joint Airborne Lidar Bathymetry Technical Center of Expertise.
The metadata for these bathymetry data is documented in the product metadata,
Guam_5m_Bathymetry_mb&lidar.txt.
In two locations artifacts are visible in the data that result from the differing quality
of the lidar versus multibeam data. In the northeast of Guam, north of Anao Point, it is possible
to see the boundary between the lidar data (which shows as a rougher texture) and the deeper
multibeam data (which shows as a smoother texture). A similar artifact is visible in a very
small area along the northern edge of Pago Bay.
- Time_Period_of_Content:
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- Time_Period_Information:
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- Range_of_Dates/Times:
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- Beginning_Date: 20010301
- Ending_Date: 20080504
- Currentness_Reference: ground condition
- Status:
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- Progress: Complete
- Maintenance_and_Update_Frequency: As needed
- Spatial_Domain:
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- Bounding_Coordinates:
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- West_Bounding_Coordinate: 144.608
- East_Bounding_Coordinate: 145.009
- North_Bounding_Coordinate: 13.727
- South_Bounding_Coordinate: 13.220
- Keywords:
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- Theme:
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- Theme_Keyword_Thesaurus: NCEI Geoportal Filter
- Theme_Keyword: CoRIS_Metadata
- Theme:
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- Theme_Keyword_Thesaurus: CRCP Project
- Theme_Keyword:
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M218 Benthic Habitat Mapping and Characterization in the Pacific Islands Region
- Theme_Keyword: 1217
- Theme:
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- Theme_Keyword_Thesaurus: CoRIS Theme Thesaurus
- Theme_Keyword:
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EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat > Description
- Theme_Keyword:
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EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Bathymetry
- Theme_Keyword: EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Slope
- Theme:
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- Theme_Keyword_Thesaurus: CoRIS Discovery Thesaurus
- Theme_Keyword: Geographic Information > Habitats
- Theme:
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- Theme_Keyword_Thesaurus: ISO 19115 Topic Category
- Theme_Keyword: imageryBaseMapsEarthCover
- Theme_Keyword: 010
- Place:
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- Place_Keyword_Thesaurus: CoRIS Place Thesaurus
- Place_Keyword:
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OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Guam > Guam (13N144E0000)
- Place_Keyword:
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COUNTRY/TERRITORY > United States of America > Guam > Guam (13N144E0000)
- Place:
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- Place_Keyword_Thesaurus: CoRIS Region
- Place_Keyword: Guam
- Access_Constraints: None
- Use_Constraints:
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These data are not to be used for navigation purposes. Please acknowledge NOAA Pacific Islands Fisheries
Science Center (PIFSC) Coral Reef Ecosystem Division (CRED), the Joint Institute for Marine and
Atmospheric Research (JIMAR) University of Hawaii, the NOAA Office of Coast Survey (NOAA OCS), the Naval
Oceanographic Office (NAVO), and the Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX).
- Point_of_Contact:
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- Contact_Information:
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- Contact_Organization_Primary:
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- Contact_Organization:
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Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
- Contact_Address:
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- Address_Type: mailing and physical address
- Address: NOAA IRC
- Address: NMFS/PIFSC/CRED
- Address: 1845 WASP Blvd., Building 176
- City: Honolulu
- State_or_Province: HI
- Postal_Code: 96818
- Contact_Voice_Telephone: 808 725-5360
- Contact_Facsimile_Telephone: 808 725-5429
- Contact_Electronic_Mail_Address: nmfs.pic.credinfo@noaa.gov
- Contact_Instructions: e-mail preferred
- Browse_Graphic:
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- Browse_Graphic_File_Name:
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http://www.soest.hawaii.edu/pibhmc/CNMI_images/guam_5m_slope_445.jpg
- Browse_Graphic_File_Description: Gridded Bathymetry Derivative
- Browse_Graphic_File_Type: JPG
- Data_Set_Credit: NOAA PIFSC CRED, PIBHMC, NOAA OCS, NAVO, JALBTCX
- Security_Information:
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- Security_Classification_System: Not applicable
- Security_Classification: Unclassified
- Security_Handling_Description: Not applicable
- Data_Quality_Information:
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- Attribute_Accuracy:
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- Attribute_Accuracy_Report:
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Data are collected for resource
management and research purposes and are tested for
internal consistency; however, no effort is made to compare
these data to external references or to other published data.
- Logical_Consistency_Report:
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These data are believed to be logically
consistent though no tests were performed
- Completeness_Report: Complete
- Positional_Accuracy:
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- Horizontal_Positional_Accuracy:
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- Horizontal_Positional_Accuracy_Report:
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Horizontal positioning system: GPS C/A
Horizontal position accuracy: 25 meters
- Vertical_Positional_Accuracy:
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- Vertical_Positional_Accuracy_Report:
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Range resolution of sonar: varies with depth
Raw sounding resolution: varies with depth
Vertical accuracy of gridded product ~ 1% of water depth
- Lineage:
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- Process_Step:
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- Process_Description:
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The Spatial Analyst extension was used in ArcMap 9.3 to derive slope from the gridded (5m) bathymetry.
Spatial Analyst --> Surface Analysis --> Slope using the following parameters:
Input surface: gua_mb_li;
Output measurement: Degree; Z factor: 1; Output cell size: 5
- Process_Date: 20110304
- Spatial_Data_Organization_Information:
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- Direct_Spatial_Reference_Method: Raster
- Raster_Object_Information:
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- Raster_Object_Type: Grid Cell
- Row_Count: 11155
- Column_Count: 8574
- Vertical_Count: 1
- Spatial_Reference_Information:
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- Horizontal_Coordinate_System_Definition:
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- Planar:
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- Grid_Coordinate_System:
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- Grid_Coordinate_System_Name: Universal Transverse Mercator
- Universal_Transverse_Mercator:
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- UTM_Zone_Number: 55
- Transverse_Mercator:
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- Scale_Factor_at_Central_Meridian: 0.9996
- Longitude_of_Central_Meridian: 147
- Latitude_of_Projection_Origin: 0
- False_Easting: 500000
- False_Northing: 0
- Planar_Coordinate_Information:
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- Planar_Coordinate_Encoding_Method: Row and Column
- Coordinate_Representation:
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- Abscissa_Resolution: 5
- Ordinate_Resolution: 5
- Planar_Distance_Units: meters
- Geodetic_Model:
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- Horizontal_Datum_Name: D_WGS_1984
- Ellipsoid_Name: WGS_1984
- Semi-major_Axis: 6378137.000000
- Denominator_of_Flattening_Ratio: 298.257224
- Entity_and_Attribute_Information:
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- Overview_Description:
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- Entity_and_Attribute_Overview: none
- Entity_and_Attribute_Detail_Citation: none
- Distribution_Information:
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- Distributor:
-
- Contact_Information:
-
- Contact_Organization_Primary:
-
- Contact_Organization:
-
Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
- Contact_Address:
-
- Address_Type: mailing and physical address
- Address: NOAA IRC
- Address: NMFS/PIFSC/CRED
- Address: 1845 WASP Blvd., Building 176
- City: Honolulu
- State_or_Province: HI
- Postal_Code: 96818
- Contact_Voice_Telephone: 808 725-5360
- Contact_Facsimile_Telephone: 808 725-5429
- Contact_Electronic_Mail_Address: nmfs.pic.credinfo@noaa.gov
- Contact_Instructions: e-mail preferred
- Resource_Description: Downloadable Data
- Distribution_Liability:
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These data are not to be used for navigational purposes.
NOAA makes no warranty regarding these data, expressed or implied,
nor does the fact of distribution constitute such a warranty.
NOAA cannot assume liability for any damages caused by any errors
or omissions in these data, nor as a result of the failure of
these data to function on a particular system.
- Standard_Order_Process:
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- Digital_Form:
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- Digital_Transfer_Information:
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- Format_Name: Arc ASCII
- Format_Information_Content:
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Arc ASCII can be converted to Arc
Raster using ArcToolbox Conversion Tools (ASCIItoRaster).
- Digital_Transfer_Option:
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- Online_Option:
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- Computer_Contact_Information:
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- Network_Address:
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- Network_Resource_Name:
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ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/guam_5m_slope.zip
- Fees: None
- Metadata_Reference_Information:
-
- Metadata_Date: 20200329
- Metadata_Review_Date: 20110906
- Metadata_Contact:
-
- Contact_Information:
-
- Contact_Organization_Primary:
-
- Contact_Organization:
-
Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
- Contact_Address:
-
- Address_Type: mailing and physical address
- Address: NOAA IRC
- Address: NMFS/PIFSC/CRED
- Address: 1845 WASP Blvd., Building 176
- City: Honolulu
- State_or_Province: HI
- Postal_Code: 96818
- Contact_Voice_Telephone: 808 725-5360
- Contact_Facsimile_Telephone: 808 725-5429
- Contact_Electronic_Mail_Address: nmfs.pic.credinfo@noaa.gov
- Contact_Instructions: e-mail preferred
- Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
- Metadata_Standard_Version: FGDC-STD-001-1998
- Metadata_Time_Convention: Universal Time
- Metadata_Access_Constraints: None
- Metadata_Use_Constraints: None
- CoRIS:
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- CoRIS_ID: 20110906021514
- CoRIS_Children: None
- CoRIS_Beginning_Date: 20010301
- CoRIS_Ending_Date: 20080504
- CoRIS_Metadata_Link:
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https://www.coris.noaa.gov/metadata/records/html/guam_5m_slope.html
- CoRIS_Tracking_ID: 6359
Generated by mp version 2.9.48 on Thu Apr 25 10:43:25 2024