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 28 
JNCC ID 106 
Name of estuary Ore-Alde-Butley 
Alternative name  
Grid reference TM435575  
WFD water body ID GB520503503800 
WFD water body name Alde & Ore 
MAGIC URL link MAGIC link 1 
Latitude 52.06447003 
Longitude 1.49893226 
JNCC classification Bar Built Estuary  
Updated classification Spit Enclosed   read more on estuary classification..
Tidal classification Mesotidal  
Spring tidal range (m) 2.8  
Mean High Water Springs (mODN) 1.54 
Mean Low Water Springs (mODN) -1.26 
Mean Tide Level (mODN) 0.13 
Mean river flow (m3/s) 0.6 
Low river flow (m3/s)  
High river flow (m3/s)  
Name of furthest downstream flow gauge Beversham  
DEFRA Hydrology Gauge Data Explorer URL link DEFRA Hydrology Gauge link    
Area of basin (Ha) 1821  
Intertidal area (Ha) 1330  
Shoreline length (km) 73.2  
Channel length (km) 28  
Mouth width (m) 122  
Valley width (m) 10040  
Volume at mean tide level (m3) 35300000  
Surface area at mean tide level (m2) 10400000  
CSA at mean tide level (m2) 1081  
Volume at low water (m3) 21200000  
Surface area at low water (m2) 9010000  
CSA at low water (m2) 521 
Volume at high water (m3) 49900000 
Surface area at high water (m2) 10400000 
CSA at high water (m2) 1623 
Volume of tidal prism (m3) 28700000 
Dronkers' gamma (nondim) 3.62 
Storage volume over intertidal (m3) 3470000 
Channel volume to MTL (m3) 46400000 
Ratio of storage volume to channel volume (nondim) 0.07 
Hydraulic depth at MTL (m) 3.4 
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 02:36:38