Physical Oceanography at Dalhousie University · 2006-03-07 · ba= % @ , &% . ._ &% > /...

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� q

year year

geop

oten

tial h

eigh

t (gp

m)

gpm/yr

(c) (d) (e)

5550

5600

5650

5700

5750

5800

5600

5650

5700

5750

5800

1950 1960 1970 1980 1990 2000 1950 1960 1970 1980 1990 20005750

5800

5850

5900

5950

6000

1960 1970 1980 1990 20001950year

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

(b)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-1.5

-1

-0.5

0

0.5

1

1.5

(a)

������� � 20��o,�!���c�������r�t����eC�N�*'*p�#��\FwKK� &5`�Y���"#C��#&'@���>'-�9���h ������� �'c7)�<�0ol;>=��J? X`���0/cp�#��|') ��P�RTS�5 ���0/!S�]:_�H-a0K,�.�"���0���V=L�����\#��f�V=�

� r

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-0.1

-0.05

0

0.05

0.1

0.15

(a)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

(b)

1960 1980 2000297

298

299

300

301

302

303

1960 1980 2000285

286

287

288

289

290

291

1960 1980 2000287

288

289

290

291

292

293ERA40NCEP reanalysis

(c) (d) (e)

-0.15

year year year

K/yr

Tem

pera

ture

(K

)

������� a>l20��o,�\�L�l�����w� � ���we<�J�*'0p�#��rIOo,��'@���r'@��ox�����[�&'-���+�b7��:;>=��@?&�

� +

(e)(d)

(a) (b) (c)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-0.2 0 0.2 0.4 0.6 0.8

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

correlation1.0

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� 4

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-0.05

-0.04

-0.03

-0.02

-0.01

0

0.01

0.02

0.03

0.04

0.05(a)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

(b)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-0.1

-0.08

-0.06

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.1(d)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

(e)

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

-0.2

0

0.2

0.4

0.6

0.8

120

o W

60 oW

0o

60

o E

120 oE

180oW

18oN

36oN

54oN

72oN

0.2

0

0.2

0.4

0.6

0.8

(a) (b)

(c) (d)

(e) (f)

K/yr

K/yr

correlation1.0

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� C

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� 9

1910 1920 1930 1940 1950 1960 1970 1980 1990 2000

-2

-1

0

1

2

(d)

(a)

(b) (c)

75 oW

50 oW

25oW

0o

25o E

40 oN

50 oN

60 oN

70 oN

80 oN

90 oN

75 oW

50 oW

25oW

0o

25o E

40 oN

50 oN

60 oN

70 oN

80 oN

90 oN

year

NA

O in

dex

75 oW

50 oW

25oW

0o

25o E

40 oN

50 oN

60 oN

70 oN

80 oN

90 oN

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� 3

1910 1920 1930 1940 1950 1960 1970 1980 1990 2000-3

-2

-1

0

1

2

3

1920 1940 1960 1980 20000

0.2

0.4

0.6

0.8

1

Central England temperatureNAO index

(a)

(b)

1%

75 oW

50 oW

25oW

0o

25o E

40 oN

50 oN

60 oN

70 oN

80 oN

90 oN

(c)

year

year

corr

elat

ion

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