WHAT ARE THE SOURCES OF ENERGY ON COASTS?
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WHAT ARE THE SOURCES OF ENERGY ON COASTS? Rivers deliver sediment to the oceans. How are they distributed and how can the oceans cause erosion?. WHAT ARE THE SOURCES OF ENERGY ON COASTS?. Tides. WHAT ARE THE SOURCES OF ENERGY ON COASTS?. Tides Waves.

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What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Rivers deliver sediment to the oceans. How are they distributed and how can the oceans cause erosion?


What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Tides


What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Tides

Waves


What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Tides

Waves

Surges


What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Tides

Waves

Surges

Tsunamis


What are the sources of energy on coasts

WHAT ARE THE SOURCES OF ENERGY ON COASTS?

Tides*

Waves*

Surges

Tsunamis


How do tides work

How do Tides Work?

363,104 km

(225,622 mi)

406,696 km

(252,622 mi)

N


How do tides work1

How do Tides Work?

If Earth was not also revolving around the Sun , the moon would take 27.3 day complete a revolution.

Earth

363,104 km

(225,622 mi)

406,696 km

(252,622 mi)

N

Moon

As the Earth is moving it actually takes 29.5 days.


What are the sources of energy on coasts

Earth

Moon

N

Sun

S

Moon


What are the sources of energy on coasts

Earth covered in Oceans.


What are the sources of energy on coasts

Line of maximum gravitational pull

Moon


What are the sources of energy on coasts

Ocean waters

on this side pulled towards line.


What are the sources of energy on coasts

Ocean waters

on this side pulled towards line.


What are the sources of energy on coasts

Ocean waters “shallower” than average. Low tide.


What are the sources of energy on coasts

Ocean waters “deeper” than average. High tide.


Time 0 hours

Time 0 hours

Earth’s

Rotation

N


Time 3 hrs

Time +3 hrs.

N


Time 6 hrs

Time +6 hrs

N


Time 9 hrs

Time +9 hrs

N


Time 12 hrs

Time +12 hrs.

N


Time 15 hrs

Time +15 hrs.


Time 18 hrs

Time +18 hrs.


Time 21 hrs

Time +21 hrs.

N


Time 24 hrs

Time +24 hrs.

N

High

Tide

High

Tide

High

Tide

Low

Tide

Low

Tide


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Approximately one month

A twelfth of a full revolution

15° of a circle

SUN


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Moon’s Revolution around the Earth.

Day 1

SUN


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Moon’s Revolution around the Earth.

Day 7

Day 1

SUN


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Moon’s Revolution around the Earth.

Day 15

Day 7

Day 1

SUN


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Day 22

Moon’s Revolution around the Earth.

Day 15

Day 7

Day 1

SUN


What are the sources of energy on coasts

Earth’s Revolution around the Sun

Day 29

Day 22

Moon’s Revolution around the Earth.

Day 15

Day 7

Day 1

SUN


What are the sources of energy on coasts

Moon’s gravitational pull on the Earth

SUN


What are the sources of energy on coasts

Moon’s gravitational pull on the Earth

SUN


What are the sources of energy on coasts

Moon’s gravitational pull on the Earth

SUN


What are the sources of energy on coasts

Moon’s gravitational pull on the Earth

SUN


What are the sources of energy on coasts

Moon’s gravitational pull on the Earth

SUN


What are the sources of energy on coasts

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

SUN


What are the sources of energy on coasts

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

SAME

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

OPPOSED

SAME

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

SAME

OPPOSED

SAME

Sun’s gravitational pull on the Earth. Weaker because of distance, despite large mass.

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

Full Moon

Entire lighted portion visible from Earth

SAME

OPPOSED

SAME

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

Half Moon

Only half of lighted portion visible from Earth

SAME

OPPOSED

SAME

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

New Moon

Lighted portion invisible from Earth

SAME

OPPOSED

SAME

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

Half Moon

Only half of lighted portion visible from Earth

SAME

OPPOSED

SAME

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

Full Moon

Entire lighted portion visible from Earth

SAME

OPPOSED

SAME

Sun and Moon’s

gravitational pull OPPOSED.

Sun and Moon’s

gravitational pull in SAME direction.

SUN


What are the sources of energy on coasts

What we see from Earth

“Waxing”

Moon

“Waning”

Moon

Full

Half

New

Half

Full

SAME

OPPOSED

SAME

OPPOSED

SAME

SUN


What are the sources of energy on coasts

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

ENHANCE

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

Weaken

ENHANCE

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

ENHANCE

Weaken

ENHANCE

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

Weaken

ENHANCE

Weaken

ENHANCE

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

ENHANCE

Weaken

ENHANCE

Weaken

ENHANCE

SAME

OPPOSED

SAME

OPPOSED

Impact of Sun on the strength of Moon’s tidal pull

SAME

SUN


What are the sources of energy on coasts

High Tide

Level

Low Tide

Level


What are the sources of energy on coasts

High tide

Low tide


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