climatic changes

1. By Justin, Justin R.,
Diamond, Layla,

2. Earth’s Seasons
• Seasons are short periods of climatic
change caused by changes in the amount
of solar radiation an area receives.
• Because earth is tilted different areas of
earth receive amounts of radiation at
different times

3. Seasonal Changes
Because of fairly constant solar radiatie
warm on near the equator the tropics do
don’t have many seasonal change.
However they do experience dry and rainy
seasons.
The middle latitudes have warm summers
And cold winters.

4. High Latitudes
• During the year ,the high latitudes near the
poles have great differences in
temperature and number daylight hours
during summer in the northern hemisphere
the north pole is tilted toward the
sun.During summer at the north pole the
sun doesn’t sit for nearly 6 months.

5. El Nino And La Nina
• El Nino is a climatic event that involves the
tropical pacific ocean and the atmosphere.
• El Nino can affect weather patterns. It can
alter the position and the strength of one
of the jet streams. This changes the
atmospheric pressure off California and
wind and precipitation patterns around the
world.

6. Climatic Changes
• Sediments in many parts of the world
show that at several different times in the
past 2 million years glaciers covered

7. What Causes Climatic Changes
• Climate change has many varied causes.
these causes of climatic change can
operate over short periods of time…..