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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.

Name of estuary Hayle Estuary 
Alternative name  
Grid reference SW555385  
WFD water body ID GB530804906700  
WFD water body name Hayle  
Magic URL link Link 1 
JNCC classification Bar Built Estuary  
Updated classification Spit Enclosed   read more on estuary classification..
Tidal classification Macrotidal  
Tidal range (m) 5  
Mean river flow (m3/s) 1.03  
Low river flow (m3/s) 0.29  
High river flow (m3/s) 2.66  
Area of basin (Ha) 358  
Intertidal area (Ha) 321  
Shoreline length (km) 11.9  
Channel length (km) 2.4  
Mouth width (m) 150  
Valley width (m) 500  
Volume at mean tide level (m3) 2725396  
Surface area at mean tide level (m2) 150258  
CSA at mean tide level (m2)  
Volume at low water (m3) 2321296  
Surface area at low water (m2) 144455  
CSA at low water (m2)  
Volume at high water (m3) 3868808 
Surface area at high water (m3) 1491130 
CSA at high water (m2)  
Estuary template download link View

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Last Modified on: 20 March 2024
Printed from the Estuary Guide on 22/05/2024 08:39:47