48

1 2 3 4

1 2 3 4

ED

BA

COCEANS

The Atlantic Ocean

9416

137

137

Sa

ha

ra

Alp

s

Atla

s M

ts.

Scan

dina

via

St

Law

ren

ce

Lak

e C

had

Gre

at L

akes

Mississippi

Dan

ube

Nige

r

Nile

Tro

pic

of C

ance

r

Arc

tic

Cir

cle

Arc

tic

Cir

cle

Tro

pic

of C

ance

r

AR

CT

IC

O

CE

AN

New

fou

ndl

and

Bas

inG

ran

d B

anks

Mid-

Atla

ntic

Ridge

Cap

e

Cana

ry

B

asin

Ver

de B

asin

Bla

ck S

ea

Ca

rib

bea

nS

ea

Lab

rado

rS

ea

Bar

ents

Sea

Gre

enla

nd

Sea

Nor

th

Sea

Bal

ti

c Sea

Med

iter

rane

an S

ea

Red Se

a

Sar

gass

o S

eaG

ulf o

fM

exic

o

Hu

dson

Bay

Baf

fin

Bay

Dav

is S

trait

Denm

ark

Stra

it

Gre

enla

nd

(Den

mar

k)

Faro

e Is

.(D

enm

ark)

Azo

res

(Por

tuga

l)

Ber

mu

da

(UK

)

Sval

bar

d(N

orw

ay)

Jan

May

en(N

orw

ay)

Can

ary

Is.

(Spa

in)

Mad

eira

(Por

tuga

l)

CA

PE

VE

RD

E

Gib

ralt

ar

New

Yo

rk

Cri

st

bal

Port

Sai

d

Ro

tter

dam

AF

RI

CA

NO

RT

H

AM

ER

IC

A

EU

RO

PE

The

Nor

th A

tlant

ic D

eep

Wat

erC

urre

nt is

an

ocea

nic

riv

er

that

mov

es a

roun

d 20

mill

ion

cubi

c ya

rds

(15.

3 m

illio

n cu

bic

m)

of w

ater

eve

ry s

econ

d.

The

Gul

f Stre

am tr

avel

s ac

ross

the

Atla

ntic

Oce

an a

t up

to13

5 m

iles

(217

km

) a

day.

The

wid

th o

f the

Atla

ntic

Oce

anis

gro

win

g by

abo

ut 1

inch

(2.

5 cm

)a

year

. The

sea

-floo

r is

spr

eadi

ngfro

m th

e bo

unda

ry o

f tw

o te

cton

icpl

ates

alo

ng th

e m

id-A

tlant

ic R

idge

.

49

5 6 7 8

5 6 7 8

0 km

0 m

iles

2000

2000

OCEANS

ED

BA

C

123

135

136

136

Cap

e H

orn

Cap

e of

Goo

d H

ope

Ca

pe

B

asi

n

A nd

es A

ndes

Lak

eN

yasa

Lak

eV

icto

ria

Am

azon

Paran

Cong

o

Equ

ator

Tro

pic

of C

apri

corn

Ant

arct

ic C

ircl

e

Equ

ator

Tro

pic

of C

apri

corn

AT

LA

NT

IC

OC

EA

N

PA

CI

FI

C

OC

EA

N

Gu

lfof

Gu

inea

Bra

zil

Ba

sin

Rio

Gra

nd

eR

ise

Ang

ola

Basin

Walvis R

id

ge

M id - A t l a

n t i c R i d g e

Atl

an

tic

-In

dia

n R

idge

Atl

an

tic

-In

dia

n B

as i

n

A

rgen

tin

e B

as

i n

Sco

tia

Sea

We

dd

ell

Se

a

Bel

lin

gsh

ause

nS

ea

Falk

lan

d Is

.(U

K)

Sou

th G

eorg

ia(U

K)

Sou

thSa

nd

wic

h Is

.(U

K)

Asc

ensi

on

Isla

nd

(UK

)

St H

elen

a(U

K)

Tris

tan

da

Cu

nh

a(t

o U

K)

Go

ug

h Is

lan

d(T

rist

an d

a C

un

ha)

Ilha

da

Tri

ndad

e(B

razi

l)

Bo

uve

t Is

lan

d(N

orw

ay)

Fern

ando

de N

oron

ha(B

razi

l)

Bu

eno

sA

ires

Cap

e To

wn

Lag

os

Rio

de

Jan

eiro

SO

UT

H

AM

ER

IC

A

AN

TA

RC

TI

CA

In 2

001,

the

Cal

edon

ian

Star

was

dam

aged

by

a 10

0 ft

(30

m)

rog

ue w

ave

in th

e So

uth

Atla

ntic

. Onc

e th

ough

t to

be a

myt

hica

l occ

urre

nce,

thes

e gi

ant w

aves

are

now

are

cogn

ized

phe

nom

enon

and

rep

rese

nt a

maj

orha

zard

to e

ven

the

larg

est s

hips

.