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Chesapeake Bay Mainstem - Gunpowder Neck (CB3.1)
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Location:
Southeast of Gunpowder Neck
Coordinates
(NAD83):
| Latitude: |
39.2484º |
| Longitude: |
-76.2380º |
Description:
This station is a mid-channel site located in the upper Chesapeake Bay, southeast of Gunpowder Neck. The station marks the lower limit of the salinity transition zone, and is in the oligohaline zone (salinity 0.5 to 5 ppt). The station has an approximate depth of 11 meters.
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Current Parameter:
Water Clarity (Secchi Depth)
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The yellow shaded area
represents the range of monthly mean values that have occurred from 1985 to 2012. The blue line shows the monthly mean values for each month
over that same time period. The red line shows what the current years
conditions are and how they compare to the range and the average values
we've seen.
2013
Water Clarity (Secchi Depth)
Chesapeake Bay Mainstem / Gunpowder Neck (CB3.1)
Legend
Range 1985 to 2012 |
2013 |
Mean |
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Water Clarity (Secchi Depth) (meters)
Chesapeake Bay Mainstem / Gunpowder Neck (CB3.1) |
| Month |
Minimum |
Mean |
Maximum |
2012 |
2013 |
| January |
0.30
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0.75
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1.30
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0.40
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0.60
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| February |
0.20
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0.74
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1.60
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0.40
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0.10
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| March |
0.10
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0.48
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0.80
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0.40
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0.40
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| April |
0.25
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0.56
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1.30
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0.70
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0.50
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| May |
0.30
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0.72
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1.10
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0.70
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0.40
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| June |
0.40
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0.70
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1.10
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0.60
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| July |
0.30
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0.75
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1.15
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0.60
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| August |
0.45
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0.82
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1.15
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0.75
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| September |
0.10
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0.95
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1.60
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0.60
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| October |
0.25
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0.99
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1.70
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0.90
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| November |
0.20
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0.85
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2.20
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0.50
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| December |
0.20
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0.81
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2.50
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0.60
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*Bottom
- "Secchi Disk Was Visible On Bottom":
When the Secchi disk is still visible on the bay floor it
means that the water is clear enough for light to penetrate
to the depth of the disk, reflect off of the disk, and reach
the surface of the water again. Most of the time, this means
that there is enough light for submerged
aquatic plants to grow to that depth.
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NOTE:
Results displayed are provisional and have not undergone full Quality
Assurance procedures. Although Maryland DNR believes the data presented
here are correct, we cannot guarantee their accuracy at this time.
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Other Parameters:
 Return
to the Station Map
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