Argo Norway

Kjell Arne Mork

and

Einar Svendsen

Institute of Marine Research and Bjerknes Centre for Climate Research

Argo Norway• The Institute of Marine Research (IMR)

is involved in the international ARGO programme with contribution of Argo floats, ship time for deployment and user of the data

• ARGO Norway focuses on both research topics and marine climate monitoring of the Nordic Seas

• Data quality control is done by IFREMER

Institute of Marine Research has in total deployed 11 Argo floats that drift at 1500/1200 m depth

June 2002 August 2003 April 2006 (includes oxygen and fluores.)

The parking depth at 1500 m was chosen due to the topography and the low stratification in the deep water

30002000

Atlantic waterArctic water Coastal water

All positions

20oW 15oW 10oW 5oW 0o 5oE 10oE 15oE 20oE 60oN

62oN

64oN

66oN

68oN

70oN

72oN

74oN

76oN

78oN

80oN

Positions of all Argo floats in the Nordic Seas, updated January 2008. Red dots are IMR floats. In total there are 3150 CTD-stations.

Cyclonic deep circulation

D : Deployed

: Last pos.

June 2002 – November 2005

August 2003 – June 2006

Two floats:

5 cm/s

20oW

10oW 0o 10

o E

20oE

65oN

70oN

Circulation at 1500 m depth from the Argo floats

Bottom depth contour interval: 500 m

: speed less than 10 cm/s : speed larger than 10 cm/s

1000

Monitoring

Temperature anomalies (relative to WOA), averaged between 50 og 200 m depth, during October -December 2006

Biological activities

April-December 2006

15oW 10oW 5oW 0o 5oE 10oE 15oE 20oE

62oN

64oN

66oN

68oN

70oN

72oN

74oN Argo float 690499

15oW 10oW 5oW 0o 5oE 10oE 15oE 20oE

62oN

64oN

66oN

68oN

70oN

72oN

74oN Argo float 690500

Floats include CTD, oxygen, fluoressence and turbidity sensors

Density, chlorophyll and AOU

t

Chl

AOU

AOU<0 indicates oxygen production

690499 690500