Ecological Marine Units: Nutrients
Office for Coastal Management
Data Set
(DS)
| ID: 66135
| Published / External
Created: 2021-12-22
|
Last Modified: 2024-08-15
Project (PRJ) | ID: 37232
ID: 66135
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
| * » Title | Ecological Marine Units: Nutrients |
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| Short Name | |
| * Status | Completed |
| Creation Date | |
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| • Publication Date | |
| * » Abstract |
A compilation of ocean nutrient (nitrate, phosphate, and silicate concentrations) data at ¼ degree spatial resolution for the entire United States Exclusive Economic Zone. The dataset is derived from the ESRI Ecological Marine Unit (EMU) dataset, which was assembled from non-supervised statistical clustering of over 52 million points from NOAA’s World Ocean Atlas (2013) WoA database, an authoritative 57 year archive of global water column data. This derived dataset is divided into three separate point shapefiles, each representing either nitrate, phosphate, or silicate concentrations (all in units of μmol l-1). Values for nutrient concentrations represent a climatological average. Each shapefile is formatted such that a single point location (i.e., unique associated latitude and longitude) contains a unique column entry for a given depth interval. Depth intervals are variable from 5 m near the surface to 100 m in the deeper regions (> 2000 m) for a total of 102 depth levels. All disclaimers provided by the original dataset authors apply to this derived dataset. For detail on these disclaimers, please refer to the following reference: Sayre, R., J. Dangermond, D. Wright, S. Breyer, K. Butler, K. Van Graafeiland, M.J. Costello, P. Harris, K. Goodin, M. Kavanaugh, N. Cressie, J. Guinotte, Z. Basher, P. Halpin, M. Monaco, P. Aniello, C. Frye, D. Stephens, P. Valentine, J. Smith, R. Smith, D.P. VanSistine, J. Cress, H. Warner, C. Brown, J. Steffenson, D. Cribbs, B. Van Esch, D. Hopkins, G. Noll, S. Kopp, and C. Convis. 2017. A New Map of Global Ecological Marine Units – An Environmental Stratification Approach. Washington, DC: American Association of Geographers. 36 pages. |
| * Purpose |
To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act. |
| Notes | |
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| • Supplemental Information | |
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Keywords
Theme Keywords
| Thesaurus | Keyword |
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| ISO 19115 Topic Category | oceans |
| ISO 19115 Topic Category | planningCadastre |
| None | coastal |
| None | planning |
| None | renewable energy |
| None | water column |
| None | water quality |
Temporal Keywords
| Thesaurus | Keyword |
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* Spatial Keywords
| Thesaurus | Keyword |
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| Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA |
| None | Exclusive Economic Zone |
| None | Outer Continental Shelf |
| None | Territorial Sea |
| None | United States of America |
Stratum Keywords
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Instrument Keywords
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Platform Keywords
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Physical Location
| • » Organization | |
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| • » City | Charleston |
| • » State/Province | SC |
| • Country | |
| • » Location Description |
Data Set Information
| * Data Set Scope Code | Data Set |
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| • Data Set Type | |
| • Maintenance Frequency | As Needed |
| Maintenance Note | |
| » Data Presentation Form | Map (digital) |
| • Entity Attribute Overview | |
| Entity Attribute Detail Citation | |
| Entity Attribute Detail URL | |
| Distribution Liability |
https://www.marinecadastre.gov/about/disclaimer.html |
| Data Set Credit | Bureau of Ocean Energy Management, NOAA Office for Coastal Management, NOAA National Centers for Coastal Ocean Science, Esri |
Support Roles
| * » Support Role | Point of Contact |
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| * » Date Effective From | 2018-06 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
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| Mobile | |
| URL | https://coast.noaa.gov |
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Extents
| Currentness Reference | Publication Date |
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Extent Group 1
| Extent Description |
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Extent Group 1 / Geographic Area 1
| * » W° Bound | -179.875 |
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| * » E° Bound | 179.875 |
| * » N° Bound | 74.625 |
| * » S° Bound | -17.375 |
| * » Description |
Extent Group 1 / Vertical Extent
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Spatial Information
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Vector Representation
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Reference Systems
Reference System
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Access Information
| Data License | |
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| Data License Statement | |
| * » Security Class | Unclassified |
| * Security Classification System | |
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| • Data Access Policy | |
| » Data Access Procedure | |
| • » Data Access Constraints | |
| • Data Use Constraints |
For coastal and ocean planning |
| Metadata Access Constraints | |
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Distribution Information
| Start Date | |
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| » Download URL | https://marinecadastre.gov/data/ |
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| File Name | |
| Description |
Marine Cadastre Data Registry |
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| Start Date | |
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| » Download URL | https://marinecadastre.gov/downloads/data/mc/EMUNutrient.zip |
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Archive Information
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Activity Log
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Issues
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Technical Environment
| Description |
Version 6.2 (Build 9200) ; Esri ArcGIS 10.5.1.7333 |
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Data Quality
| Representativeness | |
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| Accuracy |
The attributes in this dataset are believed to be accurate. |
| Analytical Accuracy | |
| Horizontal Positional Accuracy |
Maximum scale of intended use is 1:80,000. |
| Vertical Positional Accuracy | |
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| Completeness Report |
Spatial and attribute properties are believed to be complete, although attribute information has been simplified. Geometric thresholds from original data are preserved. No tests have been completed for exhaustiveness. |
| Conceptual Consistency |
These data are believed to be logically consistent. Geometry is topologically clean. |
| » Quality Control Procedures Employed |
Data Management
| » Have Resources for Management of these Data Been Identified? | |
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| » Approximate Percentage of Budget for these Data Devoted to Data Management | |
| » 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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| » Approximate Delay Between Data Collection and Archiving | |
| » How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Lineage
| » Lineage Statement |
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Sources
| Citation Title | Esri Ecological Marine Unit (EMU) dataset for Nitrate |
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| Contact Role Type | |
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| Contact Name | Esri |
| Publish Date | |
| Extent Type | Discrete |
| Extent Start Date/Time | 2018-08-01 |
| Extent End Date/Time | |
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| Citation URL | https://www.arcgis.com/home/item.html?id=5075d771f6894080ac190c3ccd954f0e |
| Citation URL Name | Source Online Linkage |
| Citation URL Description |
URL where the source data were originally accessed. |
| Source Contribution |
Esri Ecological Marine Unit (EMU) dataset |
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Process Steps
| Process Step Number | 1 |
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| » Description |
(1) ESRI Ecological Marine Units data clipped to the boundaries of the United States Exclusive Economic Zone were provided by Keith VanGraafeiland (ESRI). Data were provided in a large point shapefile format with multiple points associated with a single latitude and longitude location. Original attribute fields included those representing depth, unique ecological marine units, nutrients (nitrates, phosphates, silicates), temperature, salinity, dissolved oxygen, among other related fields. (2) Data were re-shaped into a single point shapefile for each nutrient parameter (i.e., nitrates, phosphates, silicates). These shapefiles contain a unique point representing each single latitude and longitude location. Each shapefile contains two unique identifier attributes: FID and QtrDegreeI. QtrDegreeI allows each unique point location to be referenced back to the original ESRI Ecological Marine Units Dataset. Attribute fields for nutrient concentrations at depth were added for each point within the shapefile. These fields were derived from the original dataset and represent nutrient concentrations within each depth interval (e.g., N_001-N_101 wherein N_001 represents nutrient concentrations for waters between 0 and 5 m depth). |
| Process Date/Time | 2018-08-01 00:00:00 |
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Acquisition Information
Instruments
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FAQs
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Child Items
Rubric scores updated every 15m
| Score | Type | Title |
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| Entity (ENT) | Ecological Marine Units: Nutrients | |
Related Items
| Item Type | Relationship Type | Title |
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Catalog Details
| Catalog Item ID | 66135 |
|---|---|
| Metadata Record Created By | Brianna Key |
| Metadata Record Created | 2021-12-22 03:24+0000 |
| Metadata Record Last Modified By | Daniel Martin |
| » Metadata Record Last Modified | 2024-08-15 13:54+0000 |
| Metadata Record Published | 2021-12-22 |
| Owner Org | OCM |
| Metadata Publication Status | Published Externally |
| Do Not Publish? | N |
| Metadata Workflow State | Published / External |
| Metadata Last Review Date | 2021-12-22 |
| Metadata Review Frequency | 1 Year |
| Metadata Next Review Date | 2022-12-22 |
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