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OCM Metadata Library > MarineCadastre >

Ecological Marine Units: Water Quality

Data Set (DS)  |  Office for Coastal Management (OCM)
GUID: gov.noaa.nmfs.inport:66137  |  Updated: August 15, 2024  |  Published / External 
Summary
Item Identification
Keywords
Physical Location
Data Set Info
Support Roles
Extents
Access Info
Distribution Info
Tech Environment
Data Quality
Lineage
Child Items
Catalog Details

Summary

Short Citation
Office for Coastal Management, 2025: Ecological Marine Units: Water Quality, https://www.fisheries.noaa.gov/inport/item/66137.
Full Citation Examples

Abstract

A compilation of ocean water quality (temperature, salinity, and dissolved oxygen) 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 temperature (degrees Celsius), salinity (practical salinity units), or dissolved oxygen (mg/L). Values 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.

Distribution Information

Use Constraints:

For coastal and ocean planning

Controlled Theme Keywords

environment, ENVIRONMENTAL GOVERNANCE/MANAGEMENT, farming, oceans, planningCadastre

Child Items

Type Title
Entity Ecological Marine Units: Water Quality

Contact Information

Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov

Extents

Geographic Area 1

-179.875° W, 179.875° E, 74.625° N, -17.375° S

Item Identification

Title: Ecological Marine Units: Water Quality
Status: Completed
Abstract:

A compilation of ocean water quality (temperature, salinity, and dissolved oxygen) 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 temperature (degrees Celsius), salinity (practical salinity units), or dissolved oxygen (mg/L). Values 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.

Keywords

Theme Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT
ISO 19115 Topic Category
environment
ISO 19115 Topic Category
farming
ISO 19115 Topic Category
oceans
ISO 19115 Topic Category
planningCadastre
UNCONTROLLED
None alternative energy planning
None biology
None coastal energy planning
None renewable energy
None water column features
None water quality parameters

Spatial Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
UNCONTROLLED
None Exclusive Economic Zone
None Outer Continental Shelf
None Territorial Sea
None United States of America

Physical Location

City: Charleston
State/Province: SC

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: As Needed
Data Presentation Form: Map (digital)
Distribution Liability:

https://www.marinecadastre.gov/about/disclaimer.html
Data Set Credit: NOAA National Centers for Coastal Ocean Science, Bureau of Ocean Energy Management, NOAA Office for Coastal Management, Esri

Support Roles

Point of Contact

CC ID: 1115273
Date Effective From: 2018-06
Date Effective To:
Contact (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
URL: https://coast.noaa.gov

Extents

Currentness Reference: Publication Date

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 1115282
W° Bound: -179.875
E° Bound: 179.875
N° Bound: 74.625
S° Bound: -17.375

Access Information

Security Class: Unclassified
Data Use Constraints:

For coastal and ocean planning

Distribution Information

Distribution 1

CC ID: 1121197
Download URL: https://marinecadastre.gov/data/
Distributor:
Description:

Marine Cadastre Data Registry

Distribution 2

CC ID: 1115275
Download URL: https://marinecadastre.gov/downloads/data/mc/EMUWaterQuality.zip
Distributor:

Technical Environment

Description:

Version 6.2 (Build 9200) ; Esri ArcGIS 10.5.1.7333

Data Quality

Accuracy:

The attributes in this dataset are believed to be accurate.
Horizontal Positional Accuracy:

Maximum scale of intended use is 1:80,000.
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.

Lineage

Sources

Esri Ecological Marine Unit (EMU) dataset for Water Temperature

CC ID: 1115279
Contact Name: Esri
Extent Type: Discrete
Extent Start Date/Time: 2018-08-01
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

Process Steps

Process Step 1

CC ID: 1115280
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 parameter (i.e., temperature, salinity, dissolved oxygen). These shapefiles contain a unique point representing each single latitude and longitude location. Attribute fields for parameters at depth were added for each point within the shapefile. These fields were derived from the original dataset and represent the given parameter within each depth interval (e.g., DOmgL_001-DOmgL_102 wherein DOmgL_001 represents dissolved oxygen (mg/L) for waters between 0 and 5 m depth). Depth bins: Depth Bin # Bottom Depth of Bin (m) 1 -5 2 -10 3 -15 4 -20 5 -25 6 -30 7 -35 8 -40 9 -45 10 -50 11 -55 12 -60 13 -65 14 -70 15 -75 16 -80 17 -85 18 -90 19 -95 20 -100 21 -125 22 -150 23 -175 24 -200 25 -225 26 -250 27 -275 28 -300 29 -325 30 -350 31 -375 32 -400 33 -425 34 -450 35 -475 36 -500 37 -550 38 -600 39 -650 40 -700 41 -750 42 -800 43 -850 44 -900 45 -950 46 -1000 47 -1050 48 -1100 49 -1150 50 -1200 51 -1250 52 -1300 53 -1350 54 -1400 55 -1450 56 -1500 57 -1550 58 -1600 59 -1650 60 -1700 61 -1750 62 -1800 63 -1850 64 -1900 65 -1950 66 -2000 67 -2100 68 -2200 69 -2300 70 -2400 71 -2500 72 -2600 73 -2700 74 -2800 75 -2900 76 -3000 77 -3100 78 -3200 79 -3300 80 -3400 81 -3500 82 -3600 83 -3700 84 -3800 85 -3900 86 -4000 87 -4100 88 -4200 89 -4300 90 -4400 91 -4500 92 -4600 93 -4700 94 -4800 95 -4900 96 -5000 97 -5100 98 -5200 99 -5300 100 -5400 101 -5500 102 -6000
Process Date/Time: 2018-08-01 00:00:00

Child Items

Rubric scores updated every 15m

Rubric Score Type Title
Entity Ecological Marine Units: Water Quality

Catalog Details

Catalog Item ID: 66137
GUID: gov.noaa.nmfs.inport:66137
Metadata Record Created By: Brianna Key
Metadata Record Created: 2021-12-22 03:28+0000
Metadata Record Last Modified By: Daniel Martin
Metadata Record Last Modified: 2024-08-15 13:55+0000
Metadata Record Published: 2021-12-22
Owner Org: OCM
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2021-12-22
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2022-12-22