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Short Citation:
National Centers for Coastal Ocean Science, 2022: U.S.V.I. Hydrological Basins, https://www.fisheries.noaa.gov/inport/item/39592.

Item Identification

Title: U.S.V.I. Hydrological Basins
Short Name: usvi_basins_metadata
Status: Completed
Publication Date: 2005-10
Abstract:

This shapefile comprises the watershed boundaries, or hydrological units and their physical and erosion related characteristics for the U.S. Virgin Islands

Purpose:

These boundaries were developed for the NOAA Summit-to-Sea project in order to study the threats of land-based sources of pollution on coral reefs in the U.S. Caribbean

Notes:

825

Other Citation Details:

NOAA Summit-to-Sea Project

Keywords

Theme Keywords

Thesaurus Keyword
UNCONTROLLED
ISO 19115 Topic Category environment
None Environmental Monitoring
None HYDROLOGIC BASINS
None TOPOGRAPHY
None WATERSHEDS

Spatial Keywords

Thesaurus Keyword
UNCONTROLLED
None SAINT CROIX
None SAINT JOHN
None SAINT THOMAS
None US VIRGIN ISLANDS

Physical Location

Organization: National Centers for Coastal Ocean Science
City: Silver Spring
State/Province: MD

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: None Planned
Data Presentation Form: vector digital data
Distribution Liability:

These data were prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, make any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. Any views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. Although all data have been used by NOAA, no warranty, expressed or implied, is made by NOAA as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by NOAA in the use of these data or related materials.

Data Set Credit: NOAA Summit-to-Sea Project, World Resources Institute (WRI)

Support Roles

Data Steward

CC ID: 476270
Date Effective From: 2005-10
Date Effective To:
Contact (Position): NCCOS Scientific Data Coordinator
Email Address: NCCOS.data@noaa.gov

Distributor

CC ID: 476272
Date Effective From: 2005-10
Date Effective To:
Contact (Position): NCCOS Scientific Data Coordinator
Email Address: NCCOS.data@noaa.gov

Metadata Contact

CC ID: 476273
Date Effective From: 2005-10
Date Effective To:
Contact (Position): NCCOS Scientific Data Coordinator
Email Address: NCCOS.data@noaa.gov

Point of Contact

CC ID: 476271
Date Effective From: 2005-10
Date Effective To:
Contact (Position): NCCOS Scientific Data Coordinator
Email Address: NCCOS.data@noaa.gov

Principal Investigator

CC ID: 476274
Date Effective From: 2005-10
Date Effective To:
Contact (Person): Battista, Tim
Email Address: tim.battista@noaa.gov

Extents

Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 476277
W° Bound: -65.086406
E° Bound: -64.5643
N° Bound: 18.416497
S° Bound: 17.672325

Extent Group 1 / Time Frame 1

CC ID: 476276
Time Frame Type: Discrete
Start: 2000

Spatial Information

Spatial Representation

Representations Used

Vector: Yes

Vector Representation 1

CC ID: 585979
Complex Object Present?: Yes
Complex Object Count: 903

Access Information

Security Class: Unclassified
Data Access Constraints:

None.

Data Use Constraints:

Acknowledgement of NOAA's Summit-to-Sea project would be appreciated. The distribution of this data product by NOAA does not constitute any real or implied responsibility for its accuracy or usefulness. Map products should not be used for navigation.

Distribution Information

Distribution 1

CC ID: 476278
Download URL: http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/summit2seaUSVI.zip
Distributor:
Description:

Downloadable Data

File Type: shp

URLs

URL 1

CC ID: 476267
URL: http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/summit2seaUSVI.zip
URL Type:
Online Resource

URL 2

CC ID: 476268
URL: http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/
URL Type:
Online Resource

Activity Log

Activity Log 1

CC ID: 476289
Activity Date/Time: 2013-07-02
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 476288
Activity Date/Time: 2017-04-05
Description:

Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.

Activity Log 3

CC ID: 585977
Activity Date/Time: 2017-09-13
Description:

Partial upload of Spatial Info section only.

Technical Environment

Description:

Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722

Data Quality

Completeness Report:

N/A

Conceptual Consistency:

N/A

Lineage

Process Steps

Process Step 1

CC ID: 476265
Description:

1. Hydrologic modeling for the USVI is based on the 30m resolution National Elevation Dataset (NED) from US Geological Survey (USGS) that was hydrologically corrected - i.e. stream/gut locations were burned (elevation reduced by 15 feet) 2. FLOWDIRECTION is calculated using the DEM. This results in a data set showing which of eight directions every given 30m cell flows. (coded as integer 1,2,4,8,16,32,64, and 128, with 1 being due East.) 3. FLOWACCUMULATION is calculating using the FlowDIR grid. This results in an integer grid reflecting the number of cells flowing into any given cell. The Flowdirection grid can be used to identify rivers (gut) locations. Any cells above a given value (such as 200) represent a potential gut location. 4. The BASIN command is run on the FlowDirection grid. The Basin tool delineates drainage basins within the Analysis window by identifying ridge lines between basins. Basin analyzes the flow direction raster to find all sets of connected cells that belong to the same drainage basin. The drainage basins are created by locating the pour points at the edges of the Analysis window (where water would pour out of the raster), as well as sinks, then identifying the contributing area above each pour point. This results in a raster of drainage basins, showing all grid cells discharging to a single outflow point. There is a unique identified (BASIN_ID) within to identify each basin.

Process Date/Time: 2005-10-01 00:00:00

Child Items

Rubric scores updated every 15m

Rubric Score Type Title
Entity usvi_basins

Catalog Details

Catalog Item ID: 39592
GUID: gov.noaa.nmfs.inport:39592
Metadata Record Created By: Tyler Christensen
Metadata Record Created: 2017-04-05 12:53+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2017-09-13
Owner Org: NCCOS
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2017-09-13
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2018-09-13