Presentation on theme: "Unit 6. Climate – the average weather conditions of an area over a long duration of time Weather is the day to day problems *Climate you mean and also."— Presentation transcript:
1 Unit 6
2 Climate – the average weather conditions of a room over a lengthy duration of time Weather is the day to day problems *Climate you suppose and weather is what you get*
3 Climate of an Area is based on 2 things… Typical temperature Mean precipitation
4 Factors that influence climate Latitude Earth’s tilt Earth’s revolution approximately the sunlight Topography Oceans current Altitude Wind present Ice/glaciers present
5 Latitude Different latitudes receive different intensities of solar energy Equator – straight and also strong Poles – big angle so weak This amount of solar energy results the: Temperature Precipitation Wind patterns
7 Earth’s axis: Planet is tilted and also spins on an axis The tilt determines the component of the Earth that deals with the sun Winter – Earth is pointing ameans so angle is better (rays are weaker) likewise tright here are less hours on light Summer – Earth is pointing toward so angle is less (rays are stronger) likewise we have actually even more hrs As it spins it wobbles which reasons various quantities of solar radiation to reach each component of the Earth
9 Wind and Ocean patterns **Difference in temperature, push, and thickness reason wind and also ocean currents** Remember: Cold is denser and also has actually greater push - So cold air and also water at poles moves dvery own toward equator Warm is less thick and also has actually a lower push so warmer air and water at equator moves up toward the poles
10 Topography Topography - surface attributes of the Earth Each type of function absorbs and also reflects various amounts of power Based on shade, texture, and composition These different prices of absorption and also release of energy impact the climate in the area
12 –Elevation Higher up = colder A hill has actually rain on one side and also a drought on the various other (called rain shadow) –Closer to water Land absorbs and releases warmth quicker than sea – larger temperature distinction Near seas - even more modeprice temperatures and also even more precipitation
14 Climate areas Tright here are three climate areas each via its own qualities Three zones: Tropical Center latitude/Tempeprice Polar
16 Tropical zones: Characteristics Hot yat an early stage Types: Tropical rain forest - rainy Tropical desert - dry Savanna =wet periods
20 Temperate latitude climates: Characteristics Temperatures, rain and vegetation vary based upon area Temperature: Depends wright here equator place Precipitation: Depends on water places
22 Polar climates: Characteristics Temperatures are at or listed below freezing Types: Subarctic Largest temperature distinction Tundra Polar ice caps Mostly ice, never above freezing
28 Local climates Microclimates – climate of little areas Ex. Cities Studying climate Climatologist – scientists that gather data to examine past and existing climate to find patterns Types of data gathered Ice cores Sea floor sediment Fossils Tree rings Ice Core Sampling
29 Climate models Use computers to simulate components of climate to watch affects of miscellaneous climate problems
30 Caprovides of climate change Plate tectonics Orbital alters Human task Volcanic activity
31 Plate tectonics: Changing continent area deserve to change: Wind and currental fees These result temperature and precipitation
32 Orbital changes: The form of Earth’s orlittle Effect the distance from the sun (temp. affected) The wobble on Earth’s axis can reason adjust Change in tilt readjust angle toward (temp. and season changes)
33 Human activity: Pollution Cause international warming Deforestation Increases carbon dioxide and therefore reason worldwide warming
34 Volcanic activity: Sulfur and also ash collect in the air and also block solar radiation This decreases temp.
35 Impacts of climate adjust Changes in one point affects all bereason they are linked Types of impacts: Global warming Due to pollution Causage droughts and its troubles Sea level transforms Melting icecaps raise water flooding areas Precipitation transforms Affect all living organisms
37 What deserve to we do: Laws Alterindigenous power Reduce, reuse, recycle Better cars and maintenance
39 According to the graph listed below, what wavesize of energy does the Planet get in the best intensity?
40 Name the main gas which absorbs ultraviolet (UV) from the sun.
41 Name the 3 main gases which absorb infrared (IR) energy
42 Why is the ozone layer important? It protects the Planet from UV which dameras plants and reasons cancer in people.
43 Why is it warmer on a cloudy night than on a clear night? Clouds (H 2 O vapor) absorb IR energy radiated by the Planet. On a clear night, the IR power escapes ago into room.
44 Exordinary the greenhouse effect. Include a diagram which shows the readjust in wavesize.
45 Just like a greenresidence, the gases in the atmosphere ---specifically CO 2 --- absorb re-radiated infrared power.
49 Ice Ages are cyclic. The last one emerged ~12,000 years back The exact cause of what triggers an glacial epoch is not known
51 El Niño A warming of the Pacific Ocean. Winters: West = Stormy South = Cold, wet Northeast = warmer El Niño A warming of the Pacific Ocean. Winters: West = Stormy South = Cold, wet Northeast = warmer
54 La Niña A cooling of the Pacific Ocean. Dry in southeastern. Cool, wet in northwest. La Niña A cooling of the Pacific Ocean. Dry in southeastern. Cool, wet in northwest.
56 Typical international temperatures are raising. Glaciers are melting. Ocean levels are climbing.
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Warming is herbal. Humans are accelerating the process with raised levels of carbon dioxide (CO 2 )