MyOcean Arctic MFC: V1 Validation of sea surface temperature

Validation based on data from drifting buoys

Validation of the MyOcean Arctic MFC results for sea surface temperature is performed using data from drifting buoys, which are compiled by the MyOcean SST TAC. New sets of buoy data are available weekly. The buoy data are available with a temporal resolution of 3 hours. These data are converted to daily mean values to conform with the TOPAZ model results. Note that the analysis is not restricted to night-time data.

Bias is defined as spatial averages of model values - observed values.

Buoy data are available from CERSAT-IFREMER in collaboration with Coriolis who operates the MyOcean SST TAC.

Results by bulletin date
November 2010
11-03
11-10
11-17
11-24

December 2010
12-01
12-08
12-15
12-22
12-29

January 2011
01-05
01-12
01-19
01-26

February 2011
02-02
02-09
02-16
02-23

March 2011
03-02
03-09
03-16
03-23
03-30

April 2011
04-06
04-13
04-20
04-27

May 2011
05-04
05-11
05-18
05-25

June 2011
06-01
06-08
06-15
06-22
06-29

July 2011
07-06
07-13
07-20
07-27

August 2011
08-03
08-10
08-17
08-24
08-31

September 2011
09-07
09-14
09-21
09-28

October 2011
10-05
10-12
10-19
10-26

November 2011
11-02
11-09
11-16
11-23
11-30

December 2011
12-07
12-14
12-21
12-28

January 2012
01-04
01-11
01-18
01-25

February 2012
02-01

Validation based on data from satellites

Validation of the MyOcean Arctic MFC results for sea surface temperature is performed using AATSR data from satellites. Description will be added later
This validation is currently under implementation and testing - for demonstration only

Results by bulletin date
October 2010
10-27

November 2010
11-03
11-10
11-17
11-24

December 2010
12-01
12-08
12-15
12-22
12-29

January 2011
01-05
01-12
01-19
01-26

February 2011
02-02
02-09
02-16
02-23

March 2011
03-02
03-09
03-16
03-23
03-30

April 2011
04-06
04-13
04-20
04-27

May 2011
05-04
05-11
05-18
05-25

June 2011
06-01
06-08
06-15
06-22
06-29

July 2011
07-06
07-13
07-20
07-27

August 2011
08-03
08-10
08-17
08-24
08-31

September 2011
09-07
09-14
09-21
09-28

October 2011
10-05
10-12
10-19
10-26

November 2011
11-02
11-09
11-16
11-23
11-30

December 2011
12-07
12-14
12-21
12-28

January 2012
01-04
01-11
01-18
01-25

February 2012
02-01

Regions

The ocean circulation model used in myOcean's Arctic MFC covers the Arctic Ocean, the North Atlantic Ocean and adjacent ocean regions. The northern part is depicted in the figure below. Validation of sea surface temperature from model results is performed for three domains:

  • an extended domain indicated by the blue, green and red regions in the figure
  • the Nordic Seas, shown as the green region
  • the Barents Sea, depicted in red

TOPAZ

The model results are produced with the TOPAZ ocean data assimilation model system. Presently, TOPAZ is run weekly with data assimillation one week prior to the bulletin date, followed by a one-week 100 member ensemble simulation ending on the bulletin date, and finally a 10 day deterministic forecast. TOPAZ was developed and is maintained by the Nansen Center.

For the validation of sea surface temperature, model results for ocean temperature at the 5 meter level are used.

TOPAZ results are available as aggregated, best estimates, and as a list of Bulletin dates with separate forecasts.