The Nansen Environmental and Remote Sensing Center

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The Nansen Environmental and Remote Sensing Center

a non-profit
research institute affiliated with the University of Bergen

Thormøhlensgate 47,

N-5006 Bergen


NERSC Technical Report no. 300

MERSEA TOP2 Assessment report

Arctic Thematic Portal


Bertino L., K.A. Lisæter, I. Keghouche

Bergen, October 1, 2012

Nansen Environmental and Remote Sensing Center

Thormøhlensgate 47

N-5006 Bergen - NORWAY

Phone: +47 55 20 58 00 Fax. +47 55 20 58 01


a non-profit environmental research center

affiliated with the university of Bergen



MERSEA TOP2 Assessment report

Arctic Thematic Portal


Technical report no. 300






Fabrice Hernandez, Mercator

Yves Desaubies, Ifremer




Bertino, L., K.A. Lisæter, I. Keghouche


October 1, 2012





Ola M. Johannessen, Director

Table of Content

Introduction 1

Project context 1

Purpose of the document 1

Assessment documents overview 1

Consistency and quality: Class1, 2, and 3 2

Arctic TEP 2

Class1: Monthly mean Potential Temperature differences at 30, 400 and 1500 meters with respect to Levitus 2005. 2

Class1: Monthly mean Salinity differences at 30, 400 and 1500 meters with respect to Levitus 2005. 6

Class1: Monthly mean ice concentration differences with respect to satellite observations. 9

Class1: Monthly mean ice drift differences with respect to satellite observations. 12

Class1: Monthly mean Sea Surface Height (m). Comparison with satellite observations. 12

Class2: (T,S) cross sections. 13

Class2: Moorings. Comparison with observations 15

Class3: Volume transport (m3) across various straits. 16

PERFORMANCE: Class4 with T/S coriolis proFiles (action: Laurence Crosnier) 19

Arctic TEP 19

Performance against ice concentrations 19

COnclusion 25

Synthesis for the Arctic system 25



global array of profiling floats


Baltic Operational Oceanographic System ( )


CLImate VARiability and predictability


Danish Meteorological Institute


European Center for Medium Range Weather Forecast


Empirical Orthogonal Functions


Establecimiento de un Sistema Español de Oceanografía Operacional


Environmental Systems Science Centre


First Guess at Appropriate Time


Global Sea Level Observing System


Global Ocean Data Assimilation Experiment


Hybrid Coordinate Ocean Model


Istituto Nazionale di Geofisica e Vulcanologia


MERSEA Executive Committee


Mean Dynamic Topography, also called MSSH (Mean Sea Surface Height)


Marine EnviRonment and Security for the European Area


Miami Isopycnal Coordinate Ocean Model


Mixed Layer Depth


POLCOMS Medium Resolution Continental Shelf Model


National Centers for Environmental Prediction-


National Center for Ocean Forecasting / United Kingdom Meteorological Office


National Data Buoy Center, NOAA, USA


North East Atlantic region (and forecasting TEP)


Nansen Environmental and Remote Sensing Center


Nautical miles


National Oceanic and Atmospheric Administration


North West Shelf Operational Oceanographic System ( )


National Snow and Ice Data Center ( )


Numerical Weather Prediction


Root Mean Square


Reduced Order Optimal Interpolation


Sea Level Anomaly


Ship Of Opportunity Program


Sea Surface Temperature


Sea Surface Salinity


Sverdrup, transport unit in 106 m3/s


To Be Defined


Thematic Environmental Portal


Targeted Operational Period


Voluntaree Observing Ship


Wide Integrated Network


World Ocean Circulation Experiment


Work Package

Reference documents


Overall Specification of the MERSEA Integrated System WP5.1., 24 March 2005“. MERSEA-WP05-MERCA-STR-0005.01A”


Description of MERSEA Core System version v.1. Project Deliverables D9.3.2. 6 April 2006. M. J. Bell. MERSEA-WP09-METUK-STR004.01A.doc.


Meeting report. TOP 1 meeting. Issy les Moulineaux. May 24-25, 2005. P. Bahurel, M. Bell, Y. Desaubies. 31 May 2005. MERSEA-WP01-IFR-ECMR-006-01.doc


Summary of WP9 Meeting, Exeter, 1-3 February 2006. Mike Bell (NCOF/UKMO)


Draft Agreement and actions minutes from MERSEA WP9 TOP2 Meeting at Exeter 2-4 October 2006. Mike Bell (NCOF/UKMO)


Assessment during TOP1: guideline for metrics implementation. Delivery D5.4.4. MERSEA-WP05-MERCA-STR-0014.01C”


List of internal Metrics, specification for implementation. WP 5. Authors: L Crosnier, F. Hernandez et al. 24 March 2005. MERSEA-WP05-MERCA-STR0007_01A.doc


Definition of Class 1-4 metrics for the Arctic. Authors: L. Bertino, K. Lisaeter, G. Garric et al. May 2006. Project deliverable D5.4.5. MERSEA-WP05-NERSC-TECN-0017.02A.doc


List of internal metrics for the MERSEA-GODAE Global Ocean: Specification for implementation. L. Crosnier et al.. D5.4.5. MERSEA-WP05-MERCA-STR0015.01A.doc.


Guideline for the GODAE providers: Convention for the GODAE files, OpenDap and Live Access Server. L. Crosnier. D5.4.5 .MERSEA-WP05-MERCA-STR0016.01A.doc.


Guideline for Class 4 implementation. Project deliverable D5.4.5. MERSEA-WP05-MERCA-STR-0018.02A


Executive Committee Meeting Report: MEC-5. Paris, December 8-9, 2005. January 25, 2006. Y. Desaubies. MERSEA-WP01-IFR-ECMR-009.1c.doc.


Atlantic and Mediterranean metrics for TOP2. Project deliverable D5.4.5. MERSEA-WP05-MERCA-STR-0026.00A


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