20210929
14425800
1.0
FALSE
DissolvedOxygenObservedConcentrationsLakeErieOnly
002
1017877.904400
1335689.034200
-718356.296100
-523310.386800
1
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_Canada_Atlas_Lambert
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ItemDescription
North American Profile of ISO19115 2003
Esri ArcGIS 13.5.5.57366
Great Lakes Nearshore Waters: Dissolved Oxygen
1
-83.090363
-78.941023
43.466646
41.201518
Dissolved oxygen concentrations at ECCC Permanent Stations within Lake Erie, for purposes of assessing stress on nearshore waters.
Great Lakes
Lake Erie
St. Clair River
Lake St. Clair
Detroit River
Nearshore Framework
water quality
ecosystem health cumulative stress
Nuisance & Harmful Algae
Dissolved Oxygen
Hypoxia
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data was extracted as part of the Overall Assessment of the State of Nearshore Waters. Dissolved oxygen (DO) is the amount of oxygen available to aquatic organisms. Concentrations of DO below acceptable levels can lead to hypoxic conditions (i.e. little to no oxygen) and have adverse impacts on aquatic species in the nearshore.</SPAN></P><P><SPAN>ECCC PSNs were extracted within each Regional Unit, and dissolved oxygen concentrations were compared to Canadian Water Quality Guidelines for the Protection of Aquatic Life. Samples below the acceptable thresholds within each Regional Unit have been used to assign low, moderate or high stress. Data used is from 2012 and 2014 (most recent sampling years at time of assessment).</SPAN></P><P><SPAN>Dissolved oxygen concentrations greater than 6 mg/L are considered to be acceptable; below </SPAN><SPAN>6</SPAN><SPAN>mg/L </SPAN><SPAN>is</SPAN><SPAN>below the acceptable thresholds for aquatic life.</SPAN></P><P><SPAN>ECCC stations are from the Great Lakes Water Quality Monitoring and Aquatic Ecosystem Health Data.</SPAN></P><P><SPAN>Low Stress: All samples greater than 6 mg/L; Moderate Stress: One or more samples between 2 and 6 mg/L; High Stress: One or more samples <2 mg/L</SPAN></P></DIV></DIV></DIV>
Environment and Climate Change Canada (ECCC) - Strategic Policy Branch - RDGO
Environment and Climate Change Canada, Great Lakes Water Quality Monitoring and Surveillance Data: https://open.canada.ca/data/en/dataset/cfdafa0c-a644-47cc-ad54-460304facf2e
Lake ERIE_WaterQuality_2000-present.csv
File Geodatabase Feature Class
dataset
EPSG
7.1(10.0.0)
0
Simple
FALSE
0
TRUE
FALSE
DissolvedOxygenObservedConcentrationsLakeErieOnly
Feature Class
0
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
RegUnitID
Regional Unit ID
String
5
0
0
ECCCPSN
Permanent Station Number
Double
8
0
0
SampleDate
Sampling Date
Date
8
0
0
SampDepth
Sample Depth (m)
Double
8
0
0
SoundDepth
Sounding Depth (m)
Double
8
0
0
ResultDO
Dissolved Oxygen Result
Double
8
0
0
Unit
Unit
String
10
0
0
Range
Acceptable Range for Aquatic Life
String
100
0
0
AssessmentYear
Assessment Year
String
4
0
0
AssessmentCat
Assessment Category
String
75
0
0
DataSource
Source of Data
String
100
0
0
Latitude
Latitude
Double
8
0
0
Longitude
Longitude
Double
8
0
0
NearshoreAssessment
Nearshore Assessment
String
12
0
0
20260506