Denis LeBlanc U.S. Geological Survey Northborough, MA
11
Denis LeBlanc U.S. Geological Survey Northborough, MA The Hydrology of Cape Cod Streams Considerations for the Coonamesset River
description
The Hydrology of Cape Cod Streams Considerations for the Coonamesset River. Denis LeBlanc U.S. Geological Survey Northborough, MA. 40. Coonamessett River Water-Table Map from Ground-Water Flow Model Water-table contours in feet. 30. 20. 10. - PowerPoint PPT Presentation
Transcript of Denis LeBlanc U.S. Geological Survey Northborough, MA
Denis LeBlanc
U.S. Geological SurveyNorthborough, MA
The Hydrology of Cape Cod Streams
Considerations for the Coonamesset River
40
30
20
10
CoonamessettRiver
Water-Table Map from Ground-Water
Flow Model
Water-table contours in feet
Contributing Area to the
Coonamessett River
River Discharge9.0 Mgal/day
Contributing Area7.3 mi2
40
50
60
30
20
10
CoonamessettRiver
Contributing Areas
Water-table contours in feet
http://waterdata.usgs.gov/nwis
Ground-Water Level
Streamflow
0
2
4
6
8
0 4000 8000 12000 16000
DISTANCE FROM POND OUTLET, IN FEET
MIL
LIO
N G
AL
LO
NS
PE
R D
AY
5/24/89
7/5/894/11/89
Hat
chvi
lle R
oad
San
dwic
h R
oad
Outlet of Last Bog
0
2
4
6
8
Nov-88 Jan-89 Mar-89 Apr-89 Jun-89 Aug-89 Sep-89 Nov-89
MIL
LIO
N G
AL
LO
NS
PE
R D
AY Outlet of Last Bog
Sandwich Road
Outlet of Pond
Coonamessett River
Summary
• Ground water is main source of flow in Coonamessett River
• Recharge area extends onto MMR
• Flow varies directly with ground-water levels
The Ground-Water Recharge Mosaic
Water Budget
In:
Natural recharge 180 Mgal/d
Onsite systems 7 Mgal/d
Out:
Wells 10 Mgal/d
Streams 62 Mgal/d
Coast 101 Mgal/d
