66135
Ecological Marine Units: Nutrients
Data Set
Published / External
37232
MarineCadastre
Project
Completed
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.
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.
Theme
ISO 19115 Topic Category
oceans
Theme
ISO 19115 Topic Category
planningCadastre
Spatial
Global Change Master Directory (GCMD) Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
Theme
coastal
Theme
planning
Theme
renewable energy
Theme
water column
Theme
water quality
Spatial
Exclusive Economic Zone
Spatial
Outer Continental Shelf
Spatial
Territorial Sea
Spatial
United States of America
Charleston
SC
Data Set
As Needed
Map (digital)
https://www.marinecadastre.gov/about/disclaimer.html
Bureau of Ocean Energy Management, NOAA Office for Coastal Management, NOAA National Centers for Coastal Ocean Science, Esri
66136
Ecological Marine Units: Nutrients
Published / External
GIS File
Yes
Esri Ecological Marine Unit (EMU) dataset for Nitrate; Source: Esri
1
Shape
n/a
No
No
Active
Feature geometry.; Source: Esri
Coordinates defining the features.
2
OBJECTID
n/a
No
No
Active
Internal feature number.; Source: Esri
Sequential unique whole numbers that are automatically generated.
3
QtrDegreeI
n/a
No
No
Active
Unique identifier for each location that can be referenced to the original ESRI Ecological Marine Unit dataset.; Source: Esri
Alphanumeric text defining the features.
4
N_001 - N_020
n/a
No
No
Active
Nutrient concentrations (nitrates, phosphates, or silicates in μmol l-1) for 0 - 100 m depth, every 5 m (e.g., 0 – 5 m = N_001).; Source: NOAA NCCOS CASS
Alphanumeric text defining the features.
5
N_021 - N_036
n/a
No
No
Active
Nutrient concentrations (nitrates, phosphates, or silicates in μmol l-1) for 125 – 500 m depth, every 25 m (e.g., 100 – 125 m = N_021).; Source: NOAA NCCOS CASS
Alphanumeric text defining the features.
6
N_037 - N_066
n/a
No
No
Active
Nutrient concentrations (nitrates, phosphates, or silicates in μmol l-1) for 550 – 2000 m depth, every 50 m (e.g., 500 – 550 m = N_037).; Source: NOAA NCCOS CASS
Alphanumeric text defining the features.
7
N_067 - N_101
n/a
No
No
Active
Nutrient concentrations (nitrates, phosphates, or silicates in μmol l-1) for 2100 – 5500 m depth, every 100 m (e.g., 2000 – 2100 m = N_067).; Source: NOAA NCCOS CASS
Alphanumeric text defining the features.
Point of Contact
2018-06
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Publication Date
-179.875
179.875
74.625
-17.375
Unclassified
For coastal and ocean planning
https://marinecadastre.gov/downloads/data/mc/EMUNutrient.zip
https://marinecadastre.gov/oceanreports/
Ocean Reports
Version 6.2 (Build 9200) ; Esri ArcGIS 10.5.1.7333
The attributes in this dataset are believed to be accurate.
Maximum scale of intended use is 1:80,000.
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.
These data are believed to be logically consistent. Geometry is topologically clean.
Esri Ecological Marine Unit (EMU) dataset for Nitrate
Esri
Discrete
2018-08-01
https://www.arcgis.com/home/item.html?id=5075d771f6894080ac190c3ccd954f0e
Source Online Linkage
URL where the source data were originally accessed.
Esri Ecological Marine Unit (EMU) dataset
1
(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).
2018-08-01T00:00:00
66136
Entity
Ecological Marine Units: Nutrients
gov.noaa.nmfs.inport:66135
Brianna Key
2021-12-22T03:24:23
SysAdmin InPortAdmin
2023-05-30T18:10:15
2021-12-22
Office for Coastal Management
OCM
1002
Public
No
2021-12-22
1 Year
2022-12-22