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Surface Pressure Systems at 30°N: Impact on Ecosystems

Learn about the formation of surface pressure systems at 30°N and their impact on surface ecosystems/geography. Explore the Horse Latitudes, circulation cells, jet streams, and air masses associated with high-pressure systems. Symbolically represent frontal lines on a map and predict wind directions based on current positions of fronts.

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Surface Pressure Systems at 30°N: Impact on Ecosystems

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  1. Upper level air sinks to the surface at 30°N. What type of surface pressure system do you expect to form at 30°N and what type of surface ecosystem/geography does this lead to? Why?

  2. 30° latitude is often called the Horse Latitudes. What two circulation cells do the Horse latitudes separate?

  3. Polar Cell Polar Jet Ferrell Cell Subtropical Jet Hadley Cell

  4. L On the map, draw the proper symbols on each frontal line so the map correctly represents the cold and warm fronts. H1 H2

  5. L On the map, shade in the areas you’d expect to find rain. Be as specific as possible. H1 H2

  6. L Based on the current position of the fronts, what do you expect the current wind direction to be at point B? How will the winds change as the front to the West passes through? H1 H2

  7. L How would you classify the air mass associated with each high pressure system, “H1” and “H2” and what are their characteristics? H1 H2

  8. L How would you classify the air mass associated with each high pressure system, “H1” and “H2” and what are their characteristics? H1 H2

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