Presentation is loading. Please wait.

Presentation is loading. Please wait.

The interaction of air, land, water, ice and living things to determine Earths global climate. Climate System Air Land WaterIce Living Things.

Similar presentations


Presentation on theme: "The interaction of air, land, water, ice and living things to determine Earths global climate. Climate System Air Land WaterIce Living Things."— Presentation transcript:

1

2 The interaction of air, land, water, ice and living things to determine Earths global climate. Climate System Air Land WaterIce Living Things

3 The Sun Earths Energy Budget Components of Earths climate System

4 Nearly all of the energy on Earth comes from the sun 3 types of radiation: Ultraviolet radiation (invisible, high energy) Visible light Infrared radiation (invisible, low energy) Earth absorbs energy from sun

5 About 30% of energy from sun is reflected back to space by clouds, particles in atmosphere and Earths surface 70% is absorbed by Earths surface, clouds and certain gases in atmosphere

6 As Earth absorbs energy, it gains thermal energy and temperature rises The surface then emits lower energy infrared radiation back out

7 A. Atmosphere – gases surrounding earth B. Hydrosphere - liquid water, water vapour and ice C. Lithosphere - solid rock, soil, minerals (Earths crust ) D. Living things – all plants, animals, bacteria, etc. Each of these components receive the suns energy, traps it, stores it, and transports it from one place to another until it all radiates back out to space

8 5 main levels: Troposphere Stratosphere Mesosphere Thermosphere Exosphere

9 Trophosphere This is the air we breathe: 78% nitrogen 21% oxygen 1% mix of argon, carbon dioxide, helium, hydrogen and ozone This is where weather occurs

10 Prevents harmful UV radiation from reaching us The hole in the ozone layer Antarctica and Arctic both have thin ozone layers Caused by CFCs – chlorofluorcarbons (pressurized spray cans, refrigerators, air conditioners) Chlorine reacts with ozone molecules and destroys ozone layer 1987 – Montreal Protocol governments around the world signed an agreement to stop the production and use of CFCs success story and ozone recovering – 50 more years until original thickness?

11 Harmful to humans health, damages buildings, affects plants and animals UV RAYS + EXHAUST FROM CARS = TOXIC CHEMICALS + GROUND LEVEL OZONE Photochemical Smog Drive Clean reduce smog-causing emissions from cars all cars over 5 years old must be tested every two years

12 Liquid water, water vapour and ice Water cycle Factors that affect climate Presence of large bodies of water Presence of ocean or air currents

13 energy absorbed when water evaporates from oceans and lakes cools its surroundings Energy given off when water vapour condenses into clouds warms surroundings

14 Earths crust solid rock, soil, and minerals – absorb energy Factors that affect climate Land formations Height above sea level (altitude)

15 Plants and animals change gases in the atmosphere photosynthesis and cellular respiration Carbon dioxide and methane absorb infrared radiation if amount of carbon dioxide or methane changes it affects how much radiation is absorbed

16 A closer look at factors that affect climate

17 A. Distance from equator (latitude) B. Presence of large bodies of water and presence of ocean or air currents C. Land formations D. Height above sea level (altitude)

18 Latitude plays a role in determining climate because energy from the sun hits the Earths surface at different angles Closer to equator the suns rays hit more directly Closer to poles the suns rays hit the earth on an angle and energy spreads across a larger area and must go through more of the atmosphere

19 Climate Zones and Large Bodies of Water Water absorbs and stores more thermal energy than land does This water heats up and cools down slower than land does Regions near ocean or large lake cooler in the summer than inland because water takes a long time to warm up warmer in the fall as the water slowly loses thermal energy Regions downward of water get more snowfall in winter

20 Ice 2% of eaths water is frozen mostly at poles (Arctic Sea Ice and land-based ice sheets in Antarctic) Also in glaciers in mountains – icebergs are glacier pieces that fell into the ocean Permanent ice reflects more radiant energy than surfaces covered in soil, rock or vegetation much energy is reflected – adds to coldness factor

21 Land formations clouds blow up mountains and lose their moisture as rainfall Other side of mountain - rain shadow effect

22 atmosphere pressure is lower the higher you go because there is less air above pushing down Causes air from lower altitudes rises to higher ones – the air expands and cools down


Download ppt "The interaction of air, land, water, ice and living things to determine Earths global climate. Climate System Air Land WaterIce Living Things."

Similar presentations


Ads by Google