U.S.V.I. Relative Vulnerability to Erosion
National Centers for Coastal Ocean Science
Data Set
(DS)
| ID: 39608
| Published / External
Created: 2017-04-05
|
Last Modified: 2023-05-30
Project (PRJ) | ID: 37206
ID: 39608
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
| * » Title | U.S.V.I. Relative Vulnerability to Erosion |
|---|---|
| Short Name | usvi_vuln_metadata |
| * Status | Completed |
| Creation Date | |
| Revision Date | |
| • Publication Date | 2006-01 |
| * » Abstract |
Physical factors, such as the slope of the land, the texture of the soil, and the precipitation regime influence erosion in an area. Parts of Puerto Rico are very steep and erosion-prone. In addition, the nature of the soil and intense rainfall events promote severe erosion in these areas. Erosion can be extreme in exposed areas (cleared for a road or residential construction, or where soil is exposed due to cropping patterns or agricultural cycle.) |
| * Purpose |
The purpose of this dataset is to estimate the relative vulnerability to erosion in Puerto Rico based on physical factors: slope, precipitation, and soil type |
| Notes |
836 |
| Other Citation Details |
NOAA Summit-to-Sea |
| • Supplemental Information | |
| DOI (Digital Object Identifier) | |
| DOI Registration Authority | |
| DOI Issue Date |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| ISO 19115 Topic Category | environment |
| None | Environmental Monitoring |
| None | EROSION |
| None | LAND BASED SOURCES OF POLLUTION |
| None | PRECIPITATION |
| None | RUNOFF |
| None | SLOPE |
| None | SOIL |
| None | TOPOGRAPHY |
| None | WATERSHED |
Temporal Keywords
| Thesaurus | Keyword |
|---|---|
* Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| None | SAINT CROIX |
| None | SAINT JOHN |
| None | SAINT THOMAS |
| None | USVI |
Stratum Keywords
| Thesaurus | Keyword |
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Instrument Keywords
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Platform Keywords
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Physical Location
| • » Organization | National Centers for Coastal Ocean Science |
|---|---|
| • » City | Silver Spring |
| • » State/Province | MD |
| • Country | |
| • » Location Description |
Data Set Information
| * Data Set Scope Code | Data Set |
|---|---|
| • Data Set Type | |
| • Maintenance Frequency | None Planned |
| Maintenance Note | |
| » Data Presentation Form | remote-sensing image |
| • Entity Attribute Overview | |
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| 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
| * » Support Role | Data Steward |
|---|---|
| * » Date Effective From | 2006-01 |
| Date Effective To | |
| Position | NCCOS Scientific Data Coordinator |
| Email Address | NCCOS.data@noaa.gov |
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| Contact Instructions |
| * » Support Role | Distributor |
|---|---|
| * » Date Effective From | 2006-01 |
| Date Effective To | |
| Position | NCCOS Scientific Data Coordinator |
| Email Address | NCCOS.data@noaa.gov |
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| * » Support Role | Metadata Contact |
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| * » Date Effective From | 2006-01 |
| Date Effective To | |
| Position | NCCOS Scientific Data Coordinator |
| Email Address | NCCOS.data@noaa.gov |
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| * » Support Role | Point of Contact |
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| * » Date Effective From | 2006-01 |
| Date Effective To | |
| Position | NCCOS Scientific Data Coordinator |
| Email Address | NCCOS.data@noaa.gov |
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| * » Support Role | Principal Investigator |
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| * » Date Effective From | 2006-01 |
| Date Effective To | |
| Person | Battista, Tim |
| Email Address | tim.battista@noaa.gov |
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Extents
| Currentness Reference | Ground Condition |
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Extent Group 1
| Extent Description |
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Extent Group 1 / Geographic Area 1
| * » W° Bound | -65.15353 |
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| * » E° Bound | -64.183369 |
| * » N° Bound | 18.884011 |
| * » S° Bound | 17.594527 |
| * » Description |
Extent Group 1 / Vertical Extent
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Extent Group 1 / Time Frame 1
| * » Time Frame Type | Discrete |
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| * » Start | 2000 |
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Spatial Information
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| Grid Representation Used? | Yes |
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| Dimension Count | 3 | ||||||||||||
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| Transformation Parameters Available? | No | ||||||||||||
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Access Information
| * » Security Class | Unclassified |
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| * Security Classification System | |
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| • Data Access Policy | |
| » Data Access Procedure | |
| • » Data Access Constraints |
None |
| • Data Use Constraints |
Acknowledgement of the originating agencies would be appreciated in products derived from these data. This data should not be used for navigation. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, NOAA, cannot assume liability for any damages, or misrepresentations, caused by any inaccuracies in the data, or as a result of the data to be used on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. |
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Distribution Information
| Start Date | |
|---|---|
| » Download URL | http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/summit2seaUSVI.zip |
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| File Type | raster |
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URLs
| URL | http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/summit2seaUSVI.zip |
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| Name | |
| URL Type | Online Resource |
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| URL | http://ccma.nos.noaa.gov/ecosystems/coralreef/summit_sea/ |
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| URL Type | Online Resource |
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Activity Log
| Activity Time | 2013-07-03 |
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Date that the source FGDC record was last modified. |
| Activity Time | 2017-04-05 |
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| 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 Time | 2017-09-13 |
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Partial upload of Spatial Info section only. |
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Technical Environment
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Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722 |
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Data Management
| » Have Resources for Management of these Data Been Identified? | |
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| » Do these Data Comply with the Data Access Directive? | |
| » Is Access to the Data Limited Based on an Approved Waiver? | |
| » If Distributor (Data Hosting Service) is Needed, Please Indicate | |
| » Approximate Delay Between Data Collection and Dissemination | |
| » If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
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| » Actual or Planned Long-Term Data Archive Location | |
| » If World Data Center or Other, Specify | |
| » If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
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| » How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Process Steps
| Process Step Number | 1 |
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| » Description |
The simple indicator of the erosivity of the land is based on physical factors of the location (slope, precipitation, and a soil characteristic called K-ffactor, which reflects the erodibility of the given soil type.) This indictor does not consider the current land cover or land use. Rather, it provides an overall indicator of erosion-prone areas, and hence, areas where development / land conversion / road construction should be avoided.Inputs: 1.Slope (percentage) - for each 30m grid cell, derived from the (raw) DEM (without hydrologic correction.) 2.Precipitation during the peak rainfall month (in millimeters) - The long-term average monthly precipitation values for climate stations across the area were downloaded from NOAA's National Climate Data Center (NCDC). The mean monthly precipitation for the peak rainfall month was selected for each point location, and a 30m resolution grid was interpolated using the inverse distance weighting interpolation method. This variable was chosen because it is more indicative of the rainy season and more extreme events during the year. 3.Soil erodibility factor (K-ffactor) - the K-ffactor was obtained from the SSURGO database of the USDA.Equation 1: Vulnerability = Slope(%) x precip (mm for peak rainfall month) x soil k-ffactor (NASA Geocover - LC with 1.4 ha minimum mapping unit "http://www.MDafederal.com/geocover/geocoverlc/"; USGS National Elevation Dataset "http://ned.usgs.gov/"; NRCS Soils Database "http://www.nrcs.usda.gov/wps/portal/nrcs/site/national/home/"; SSURGO Soils Database: "http://www.nrcs.usda.gov/wps/portal/nrcs/site/national/home" ) |
| Process Date/Time | 2006-01-01 00:00:00 |
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Acquisition Information
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Related Items
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Catalog Details
| Catalog Item ID | 39608 |
|---|---|
| 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 | 2023-05-30 18:09+0000 |
| Metadata Record Published | 2017-09-13 |
| Owner Org | NCCOS |
| Metadata Publication Status | Published Externally |
| Do Not Publish? | N |
| Metadata Workflow State | Published / External |
| Metadata Last Review Date | 2017-09-13 |
| Metadata Review Frequency | 1 Year |
| Metadata Next Review Date | 2018-09-13 |
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