Vertically Integrated Kinetic Energy Difference [J/m 5 3R ... · ï 5 3R 1R 1R 3R 5 Subsampling (odd, even # Eddies) ï 5 3R 1R 1R 3R 5 Wind Energy Input [W/m 2] 1RUWK 6 Wind Energy

3R1R1R3R 3R1R1R3R

3R1R1R3R3R1R1R3R

3R

1R

1R

3R

3R

1R

1R

3R

3R

1R

1R

3R

3R

1R

1R

3R

Vertically Integrated Kinetic Energy Difference [J/m2]

3 3

3 3

No Wind Gradient Region

North of

South of

5

-5

0

5

-5

0

5

-5

0

5

-5

0

Supplementary Figure 1: Increased ‘spin up’ and ‘spin down’ signal is recovered if one only chooses eddies that reside in a wind gradient. Here chosen to avoid the peak in the cold core eddy abundance residing in no wind gradient.Regions North of 45S and South of 55S. (Mesoscale Fully Coupled - Mesoscale Mechanically Coupled)

ï��

�

��

1R 3R �51R3R�5

Subsampling (odd, even # Eddies)

ï��

�

��

1R 3R �51R3R�5

Wind Energy Input [W/m2]1RUWK��6

Wind Energy Input [W/m2]6RXWK��6a) b)

Supplementary Figure 2: Subsamples of eddy field for Fully Coupled (red) and Mechanically Coupled (black)with even number eddies (solid) andodd number eddies (dashed) for a) Northern spin up region, E��6RXWKHUQ�VSLQ�GRZQ�UHJLRQ�

14 28 42 56 70 84

0

10

15

5

-5

0

5

6SLQ�XS�UHJLRQ�1RUWK��Ý6

6SLQ�GRZQ�UHJLRQ�6RXWK�RI��Ý6

Kinetic Energy Difference [%]

Thermodynamically - Mechanically Coupled

Fully - Mechanically Coupled

Time [Days]

Supplementary Figure 3: Percentage change in volume integrated ocean kinetic energy for ��!��6��¶VSLQ�XS·�DQG��6��¶VSLQ�GRZQ·�UHJLRQ��0HVRVFDOH�7KHUPRG\QDPLFDOO\�&RXSOHG��0HVRVFDH�0HFKDQLFDOO\�&RXSOHG�VLPXODWLRQV��GDVKHG�SXUSOH�� Fully Coupled - Mesoscale Mechanically Coupled (Solid Green)

b)a)

ï��

�

��[��ï�

1R �53R1R�5 3R 1R �53R1R�5 3R

1R

�5

3R

1R

�5

3R

1R

�5

3R

1R

�5

3R

Warm Core - Wind Stress CurlFully Coupled Simulation

Warm Core -Wind Stress CurlMechanically Coupled Simulation

ï��

�

��[��ï�

6XSSOHPHQWDU\�)LJXUH��:LQG�VWUHVV�FXUO�SDWWHUQ�IRU�D��0HFKDQQLFDOO\�&RXSOHG�E��)XOO\�&RXSOHG�VLPXODWLRQV��'LSROH�SDWWHUQ�RI�ZLQGVWUHVV�FXUO�LQGLFLWLYH�WKDW�7KHUPRG\QDPLF�HIIHFW�LV�GRPLQDQW��

6XSSOHPHQWDU\�)LJXUH��0DJQLWXGH�FRKHUHQFH�VSHFWUXP�IRU�RFHDQ�VXUIDFH�YHORFLW\�DQG�ZLQG�VWUHVV��0HVRVFDOH�)XOO\�&RXSOHG��UHG��DQG�Mesoscale Mechanically Coupled (black) indicates direct scale-scale wind forcing responsible for up to 8% of ocean kinetic energy at VFDOHV��NP�

� ��

��

��

��

��

��

��ÝV

Scale Size [km]

Coherence

Fully Coupled SimulationMechanically Coupled Simulation

−3R−1R 1R 3R

−3R−1R

1R3R

−0.05 0 0.05

−3R−1R

1R3R

−0.05

0

0.05

−3R−1R 1R 3R

−3R−1R

1R3R

−0.05

0

0.05

ï�5ï�5 1R 3R

ï�5

ï�5

1R

3R

ï��

ï�5

ï�5

1R

3R

ï��

�

��

ï�5ï�5 1R 3R

ï�5

ï�5

1R

3R

ï��

�

��

Warm Core Wind Energy Input [W/m2]

Cold Core Wind Energy Input [W/m2]

Wind Energy Input

Along South-North Chord [W/m2]Sp

in U

p R

egio

nSp

in D

own

Reg

ion

a) b) c)

6XSSOHPHQWDU\�)LJXUH��6DWHOOLWH�2EVHUYDWLRQ�EDVHG�DQDO\VLV�FRUUHVSRQGLQJ�WR�)LJXUH��EF�Eddy composites of wind energy input associated with geostrophic current anomalies for anticyclones (a) and cyclones (b) for eddies existing in meridional wind stress gradients JUHDWHU�WKDQ�RU�OHVV�WKDQ��1�P-2��(GGLHV�DUH�QRUPDOL]HG�ZLWK�WKHLU�LQGLYLGXDO�UDGLL�EHIRUH�DYHUDJLQJ��5�UHIHUV�WR�HGG\�UDGLXV�DQG�RQO\�HGGLHV�ZLWK�OLIHVSDQV�RI�DW�OHDVW�WZR�ZHHNV�DUH�LQFOXGHG�LQ�WKH�DQDO\VLV��F��6RXWK�1RUWK�&KRUGV�DFURVV�WKH�ZLQG�HQHUJ\�LQSXW�HGG\�FRPSRVLWHV�IRU�DQWLF\FORQHV��UHG��DQG�F\FORQHV��EOXH��

Vertically Integrated Kinetic Energy Difference [J/m 5 3R ... · ï 5 3R 1R 1R 3R 5 Subsampling (odd, even # Eddies) ï 5 3R 1R 1R 3R 5 Wind Energy Input [W/m 2] 1RUWK 6 Wind Energy

Documents