1. Transport Mooring Arrays in NACLIM
Karin Margretha H. Larsen
NACLIM CT2 co-lead
(Monitoring of North Atlantic Parameters)

2. NACLIM CT2 Data Collection
GSR-TMAs DS
LOCO/CIS
EEL
RACE/
NACLIM
OSNAP
RAPID

3. TMAs on the Greenland-Scotland Ridge
On OceanSITES

4. Recirculation makes the Faroe-Shetland Channel difficult
Faroe Bank
Channel
Observational
section

5. Faroe-Shetland Channel
NACLIM
8 ADCPs
NACLIM
7 ADCPs
100 CTD sections
4 – 9 ADCPs
Altimetry:
Berx et al., 2013:
CTD + ADCP + Altimetry => Volume transport 1993 – 2011
Temperature

6. Faroe Shetland Channel – AW inflow
No long-term trend (Berx et al, 2013)

7. Faroe Current monitoring section
Satellite altimetry
Atlantic
Arctic
Bottom temperature
Hansen et al., 2015:
CTD + ADCP + Altimetry => Volume transport 1993 – 2014
ADCPs:

8. Faroe Current – AW inflow 1993 - 2014
Annual mean
3-year
mean
± standard error
20 year trend: 9±8%
(95% confidence), Hansen et al, 2015

9. Iceland Branch
1-4 current meter moorings

10. Iceland Branch – AW inflow
Small increasing trend (Jónsson and Valdimarsson, 2012)

11. Denmark Strait Overflow
Velocity from shipboard ADCP

12. Denmark Strait Overflow
No long-term trends (Jochumsen et al., 2012, 2015)

13. Faroe Bank Channel Overflow
Speed (cm/s)

14. Faroe Bank Channel Overflow
No long-term trends (Hansen and Østerhus, 2007)

15. Wyville Thomson Ridge Overflow
No trend, but oveflow events
(Sherwin et al, 2008; Johnson et al, 2010)

16. Future monitoring

17. Future monitoring Icelandic moorings in 2016 WOW project 1yr
AGU, 2003
Future monitoring
Icelandic
moorings in 2016
WOW project 1yr
Danish funding
German moorings
Iceland
No moorings in 2016
Faroes
No Faroese moorings
Faroese
moorings
Scottish moorings
OSNAP

18. The research leading to these results has received funding from the European Union 7th Framework Programme (FP ), under grant agreement n NACLIM