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, Townend (2005), ABPmer (2024) and ABPmer (2025). The data is indicative of recently determined bulk properties suitable for broadscale intercomparison of estuaries.

Alternatively take a look in the viewer.

Estuaries Database Viewer View in Estuaries Database Viewer
Estuary ID 29 
JNCC ID 107 
Name of estuary Deben Estuary 
Alternative name  
Grid reference TM295455  
WFD water body ID GB520503503900 
WFD water body name Deben 
MAGIC URL link MAGIC link 1 
Latitude 52.00799329 
Longitude 1.36321451 
JNCC classification Coastal Plain  
Updated classification Spit Enclosed   read more on estuary classification..
Tidal classification Mesotidal  
Spring tidal range (m) 3.25  
Mean High Water Springs (mODN) 1.74 
Mean Low Water Springs (mODN) -1.51 
Mean Tide Level (mODN) 0.11 
Mean river flow (m3/s) 0.2 
Low river flow (m3/s)  
High river flow (m3/s)  
Name of furthest downstream flow gauge Naunton Hall  
DEFRA Hydrology Gauge Data Explorer URL link DEFRA Hydrology Gauge link    
Area of basin (Ha) 1007  
Intertidal area (Ha) 690  
Shoreline length (km) 49.8  
Channel length (km) 19.7  
Mouth width (m) 168  
Valley width (m) 1000  
Volume at mean tide level (m3) 15400000  
Surface area at mean tide level (m2) 6310000  
CSA at mean tide level (m2) 1317  
Volume at low water (m3) 7700000  
Surface area at low water (m2) 3060000  
CSA at low water (m2) 734 
Volume at high water (m3) 26600000 
Surface area at high water (m2) 7370000 
CSA at high water (m2) 2013 
Volume of tidal prism (m3) 18900000 
Dronkers' gamma (nondim) 0.85 
Storage volume over intertidal (m3) 9010000 
Channel volume to MTL (m3) 17600000 
Ratio of storage volume to channel volume (nondim) 0.51 
Hydraulic depth at MTL (m) 2.4 
DEFRA Catchment Data Explorer URL link DEFRA Catchment link   
Estuary template download link  

Quick links

Last Modified on: 20 June 2025
Printed from the Estuary Guide on 01/11/2026 02:36:14