Clausen_General Circulation-1
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University of Kansas *
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Geography
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Dec 6, 2023
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docx
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General Circulation in the Atmosphere and Climate Classification
For the first part of this activity, answer the following questions.
What is the effect of heating at the subsolar point?
o
The subsolar point is where the heating effect of the sun is greatest. This is due to the Earth’s tilt causing
a larger distribution of the energy from the sun.
How does this heating affect airflow near the equator?
o
This causes the Hadley Cell effect, intense solar heating at the equator, and causes airflow to be hotter,
varying in temperatures further from the equator.
How is the Hadley Cell formed?
o
It forms due to uneven solar heating at different latitudes surrounding the equator.
For the second part of the activity, you will identify regions and their climate based on the type of vegetation. Describe
and explain the main features of the atmospheric circulation that result in the type of landscape shown in the images. If
possible, identify by name the global pressure.
(A)
Rainforest in Brazil:
-
The climate is typically warm and humid.
-
Changes in atmospheric circulation are reducing rainfall.
(B)
-
Cloudy and rainy
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Low atmospheric pressure and lack of significant wind
(C) The Doldrums:
Garden City, KS, May 1, 2017:
-
More extreme weather conditions
-
Moderate humidity, cold winters, warm summers with moderate to high atmospheric pressure
(D)
Joshua Tree National Park:
-
Desert-like climate, with warm days and cool nights
-
Little to no precipitation with moderate atmospheric pressure
(E)
Oregon:
-
Mild marine conditions on the coasts with dryer climate as you move inland.
-
Vertical circulation with moderate atmospheric pressure
(F)
Nevada:
-
Contains small mountain ranges and high-elevation desert valleys, preventing moisture from reaching the state.
-
Low elevation spots get as little as 4 inches of rain, while high elevation spots get as much as 50 inches. This is
due to atmospheric pressure.
(G)
Twillingate, NL
-
The climate in Twillingate is typically around 40 degrees F.
-
The atmospheric pressure is moderately high, as the weather is colder.
(H)
The Great Smoky Mountains
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Forests, rivers, and thousands of plants make up the vegetation
-
Rainy, temperate climate with low atmospheric pressure
(I)
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Canadian Arctic Tundra
-
Sparse vegetation with low, wet areas and streams. High winds and little sunlight.
-
Very cold and very dry climate with a higher atmospheric pressure
(J)
Flint Hills, Kansas.
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Humid, warmer temperatures with lower precipitation rates and lower native plant species richness
-
A moderate atmospheric pressure