how are we going to study it? flows of energy and mass. movements of energy and mass within the...

HOW ARE WE GOING TO STUDY IT?

Flows of Energy and Mass.

Movements of Energy and Mass within the Earth’s Atmospheric System

WHAT’S THE BASIC PROBLEM?

WHAT’S THE BASIC PROBLEM?

Source of Energy:SUN

WHAT’S THE BASIC PROBLEM?

Source of Energy:SUN

Target Planet of Interest:

EARTH

WHAT’S THE BASIC PROBLEM?

Source of Energy:SUN

Target Planet of Interest:

EARTH

1. About 92.6 million miles (150 million Km)

WHAT’S THE BASIC PROBLEM?

Source of Energy:SUN

Target Planet of Interest:

EARTH

1. About 92.6 million miles (150 million Km)

2. Target rotating anti-clockwise

around own axis once every 24

hrs.

WHAT’S THE BASIC PROBLEM?

Source of Energy:SUN

Target Planet of Interest:

EARTH

1. About 92.6 million miles (150 million Km)

2. Target rotating anti-clockwise

around own axis once every 24 hr.

3. Target revolving around

source once every 365.25 dy

HOW CAN ENERGY BE TRANSFERRED?

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION:

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.

MECHANISMS OF ENERGY TRANSFER

LOWERENERGY

CONDUCTION

HIGHERENERGY

LOWERENERGY

HIGHERENERGY

LOWERENERGY

ENERGY TRANSFERBY CONTACT

CONDUCTION

CONVECTION

HEAT

HEAT

CONDUCTIONTHROUGH

METAL

WATER MOLECULESWARM – VIBRATEMORE – REQUIRE

MORE SPACE BETWEEN THEM.

HEAT

CONDUCTIONTHROUGH

METAL

WATER MOLECULESWARM – VIBRATEMORE – REQUIRE

MORE SPACE BETWEEN THEM.

WARM LESS DENSELY PACKEDMOLECULES RISE UP TO

SURFACE.

HEAT

CONDUCTIONTHROUGH

METAL

WATER MOLECULESWARM – VIBRATEMORE – REQUIRE

MORE SPACE BETWEEN THEM.

WARM, LESS DENSELY PACKEDMOLECULES RISE UP TO

SURFACE.

COOL, MORE DENSELY PACKEDMOLECULES SINK TO

BOTTOM.

GROUND

5 – 8 miles ATMOSPHERE

EARTH’S ATMOSPHEREHEATS FROM THE BASE!

5 – 8 miles

ATMOSPHERE

EARTH’S ATMOSPHEREHEATS FROM THE BASE!

Rising CumulusClouds

Rain

FRIDGE

POT OFBOILING WATER

STOVETOP

ADVECTION

FRIDGE

POT OFBOILING WATER

STOVETOP

H

HL

HLL

+-

- -

-

RADIATION

+-

- -

-

+-

- -

-

--

-

+-

- -

-

--

--

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

GENERATION OF ELECTRICITY

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

GENERATION OF ELECTRICITY

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

Coal, Oil, GasNuclear, HydropowerBiomass, Geothermal

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

STARTER MOTOR

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

STARTER MOTOR

1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD

STARTER MOTOR

CAR BATTERY

EngineTurns Over

ANSWER TO BASIC PROBLEM #!

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.

?

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.

?

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.

?

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.

MECHANISMS OF ENERGY TRANSFER

1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.

2. CONVECTION:

3. ADVECTION:

4. RADIATION:

Energy transfer by means of the internal mixing of a medium.

Energy transfer by means of the horizontal movement of a medium from one environment to another.

Energy transfer by means of the electrical and magnetic fields.?