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Estuary detail

Below is an interactive map and a table of parameters derived through various sources – Nature Conservancy Council (Davidson et al, 1991), EMPHASYS (2000c), Dyer (2002) in Futurecoast and Townend (2005). The data is indicative of recently determined bulk properties suitable for broadscale intercomparison of estuaries.

Alternatively take a look at the Estuaries Database Viewer.

ID 35 
Name of estuary Mersey Estuary 
Alternative name  
Grid reference SJ415805  
WFD water body ID GB531206908100  
WFD water body name Mersey  
Magic URL link Link 1 
JNCC classification Coastal Plain  
Updated classification Ria   read more on estuary classification..
Tidal classification Macrotidal  
Tidal range (m) 8.9  
Mean river flow (m3/s) 12.56  
Low river flow (m3/s) 3.99  
High river flow (m3/s) 30.8  
Area of basin (Ha) 8914  
Intertidal area (Ha) 5607  
Shoreline length (km) 102.9  
Channel length (km) 45.6  
Mouth width (m) 1525  
Valley width (m) 1525  
Volume at mean tide level (m3) 391630951  
Surface area at mean tide level (m2) 67915378  
CSA at mean tide level (m2)  
Volume at low water (m3) 163563378  
Surface area at low water (m2)  
CSA at low water (m2) 16805 
Volume at high water (m3)  
Surface area at high water (m3)  
CSA at high water (m2) 35918 
Estuary template download link View

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Last Modified on: 20 March 2024
Printed from the Estuary Guide on 22/05/2024 09:34:03