Chesapeake Bay Coastal Bays Rivers and Streams Watersheds
Maryland Department of Natural Resources
Fixed Station Monthly Monitoring
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Coastal Bays - Marshall Creek (MSL0011)

Map Showing the Location of MSL0011

Location:
Mason Landing, East of Rick's Point

Coordinates (NAD83):
Latitude: 38.2363º
Longitude: -75.2580º

Description:
This station has shown large fluctuations in salinity throughout the year, ranging from oligohaline (< 5 ppt) to polyhaline (> 18 ppt). These salinity fluctuations are due to a variety of environmental factors, such as rainfall and tidal cycles). This site is approximately 1.29 m (4.2 feet) deep.

Current Parameter: Dissolved Oxygen

Choose Other Parameters:
Dissolved
Oxygen
Water
Temperature
Salinity pH Water
Clarity


The yellow shaded area represents the range of monthly mean values that have occurred from 2001 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 Surface Water Dissolved Oxygen
Coastal Bays / Marshall Creek (MSL0011)

Legend

Range 2001 to 2012 2013 Mean

Surface Water Dissolved Oxygen (mg/l)
Coastal Bays / Marshall Creek (MSL0011)
Month Minimum Mean Maximum 2012 2013
January 7.90 10.22 11.70 10.80 12.50
February 9.00 10.40 12.70 11.50 11.70
March 7.00 8.95 12.50 7.50 9.90
April 5.30 8.01 12.50 6.50 8.90
May 2.50 6.00 10.90 7.10  
June 1.80 4.46 6.70 5.60  
July 0.70 3.92 8.80 8.80  
August 2.40 4.17 6.60 2.40  
September 2.60 4.71 7.60 7.60  
October 4.00 6.58 12.90 12.90  
November 5.30 8.14 10.40 9.90  
December 7.30 10.00 13.20 9.30  

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.

Choose Other Parameters:
Dissolved
Oxygen
Water
Temperature
Salinity pH Water
Clarity

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Contact Cathy Wazniak of the MD DNR's Tidewater Ecosystem Assessment Division at (410) 260-8630 or by email at cwazniak@dnr.state.md.us.


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