Tara Wasserstein Powerpoint Ed5012

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Tara Wasserstein Powerpoint Ed5012

  1. 1. Understanding Weather, Climate, & the Seasons Tara Wasserstein
  2. 2. What is Weather? <ul><li>The state of the atmosphere at a particular time and place. </li></ul><ul><li>Temperature, humidity, wind velocity, precipitation, and barometric pressure. </li></ul><ul><li>Occurs in the troposphere, or lower atmosphere; driven by energy from the Sun and rotation of the Earth. </li></ul><ul><li>Average weather conditions of a region over time are used to define a region's climate. </li></ul>
  3. 3. What is Climate? <ul><li>General weather conditions of a certain region, including temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds. </li></ul><ul><li>Climate is most affected by latitude, tilt of the Earth's axis, movements of the Earth's wind belts, difference in temperatures of land and sea, and topography. </li></ul>
  4. 4. What are Seasons? <ul><li>One of four natural divisions of the year—spring, summer, autumn, and winter—in temperate zones. </li></ul><ul><li>Each has its own characteristic weather and lasts approximately three months. </li></ul><ul><li>Change in seasons is brought about by the shift in the angle at which the Sun's rays strike the Earth as the Earth orbits the sun. </li></ul>
  5. 5. Measuring Temperature <ul><li>Temperature can be measured with the use of a thermometer. </li></ul><ul><li>Readings can be in Kelvin and Celsius, but are done most commonly in Fahrenheit. </li></ul><ul><li>Temperature determines how hot or cold gases and liquids are. </li></ul>
  6. 6. Interrelationships <ul><li>Climate is determined by the weather patterns in a specific area. </li></ul><ul><li>Certain climates only exhibit some of the seasons based on their location on the Earth. </li></ul>
  7. 7. Types of Climates <ul><li>There are 5 general types of climates: </li></ul><ul><ul><li>Tropical - high temperatures, year-round rain </li></ul></ul><ul><ul><li>Dry - little rain, vast daily temperature range </li></ul></ul><ul><ul><li>Temperate - warm dry summers, cool wet winters </li></ul></ul><ul><ul><li>Cold - low precipitation, seasonal temps vary </li></ul></ul><ul><ul><li>Polar - permanent ice, temperatures below freezing </li></ul></ul><ul><li>There exist several subgroups of climates, including: </li></ul><ul><ul><li>Tropical moist, wet-dry tropical, dry tropical </li></ul></ul><ul><ul><li>Dry midlatitude, Mediterranean, moist continental </li></ul></ul><ul><ul><li>Boreal forest, tundra, highland </li></ul></ul>
  8. 8. Patterns of Seasons <ul><li>Reversed in Northern and Southern hemispheres </li></ul><ul><li>North: </li></ul><ul><li>South: </li></ul>
  9. 9. The 4 Seasons <ul><li>Summer - Hot and dry </li></ul><ul><li>Autumn - Cool and dry </li></ul><ul><li>Winter - Cold and wet </li></ul><ul><li>Spring - Cool, wet and humid </li></ul>
  10. 10. References <ul><li>http://csep10.phys.utk.edu/astr161/lect/time/seasons.html </li></ul><ul><li>http://www.dictionary.com </li></ul><ul><li>http://www.blueplanetbiomes.org/climate.htm </li></ul>

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