# Commission Decision (EU) 2018/229 of 12 February 2018 establishing, pursuant to Directive 2000/60/EC of the European Parliament and of the Council, the values of the Member State monitoring system classifications as a result of the intercalibration exercise and repealing Commission Decision 2013/480/EU (notified under document C(2018) 696) (Text with EEA relevance), Division: Water category Transitional waters Geographical Intercalibration Group North East Atlantic

Extent: E+W+S+N.I.

Description of types that have been intercalibrated
Type
Characterisation
Salinity (psu),Tidal range (m), Depth (m)
Current Velocity (knots), Exposure
MixingResidence Time
NEA 11
Transitional Waters
0 — 35 Micro to macrotidal < 30
Variable Sheltered or moderately exposed
Partly permanently stratified Days to weeks
Countries sharing type that have been intercalibrated:
Belgium, Germany, France, Ireland, Netherlands, Portugal, Spain, United Kingdom
Description of sub common intercalibration types for Biological quality element Benthic Invertebrate Fauna:
Sub type
Characterisation
MS sharing sub-type
A
Lagoons
Ireland, Spain, United Kingdom
B
Freshwater-oligohaline, medium river flow
Ireland, Spain, United Kingdom
C
Mesotidal estuary with irregular river flow
Portugal, Spain
D
Large estuaries
Germany, Ireland, Netherlands, Portugal, Spain, United Kingdom
E
Small-medium estuary with > 50 % intertidal area
Ireland, Germany, Spain, United Kingdom
F
Small-medium estuary with < 50 % intertidal area
Ireland, Portugal, Spain, United Kingdom

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Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/19 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.