chap8 - Steve Fossetts GlobalFl er lFly Unrefueled...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Steve Fossett’s GlobalFlyer Unrefueled circumnavigation of the world in 67 hours
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Look For The Following Key Ideas In Chapter 8 he interaction of ocean and atmosphere moderates surface temperatures shapes 9 The interaction of ocean and atmosphere moderates surface temperatures, shapes Earth's weather and climate , and creates most of the sea's waves and currents. 9 Different amounts of solar energy are absorbed at different latitudes . The tropics are warmer than the polar regions because of this difference. 9 Uneven solar heating causes convection currents to form in the atmosphere. h di ti f i fl i th t i i fl d b th t ti f E th The direction of air flow in these currents is influenced by the rotation of Earth. 9 Earth's rotation causes moving air (or any moving mass) in the Northern Hemisphere to curve to the right of its initial path, and in the Southern Hemisphere to the left . The apparent curvature of path is known as the Coriolis effect. 9 Each hemisphere has three large atmospheric circulation cells: a Hadley cell, a Ferrel cell, and a polar cell. Air circulation within each cell is powered by uneven solar heating and influenced by the Coriolis effect.
Background image of page 2
ey Ideas Continued… Key Ideas Continued… 9 Large storms are spinning areas of unstable air that develop between or within air masses. Extra tropical cyclones originate at the boundary between air masses. 9 Tropical cyclones, the most powerful of Earth's atmospheric storms, occur within a single humid air mass.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Atmosphere Is Composed Mainly of Nitrogen , Oxygen, and Water Vapor What are some properties of the atmosphere? The lower atmosphere is a fairly homogeneous mixture of gases. Water vapor occupies up to 4% of the volume of the atmosphere. The density of air is influenced by temperature and water content. (right) Ascending air cools as it expands. Cooler air can hold ss water so water vapor less water, so water vapor condenses into tiny droplets - clouds. Descending air warms as it compresses – the droplets (clouds) evaporate.
Background image of page 4
Atmospheric circulation is powered by sunlight. Since Earth is in thermal equilibrium , what assumption can be made about the input and output of heat on Earth?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Solar Heating of Earth Varies with Latitude ow solar energy input How solar energy input varies with latitude. Equal amounts of sunlight are qg spread over a greater surface area near the poles than in the tropics. Ice near the poles reflects much of the energy that reaches the surface there.
Background image of page 6
The Solar Heating of Earth Varies with Latitude Earth as a whole is in thermal equilibrium, but different latitudes are not. What factors govern the global circulation of air?
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/30/2009 for the course GEO 1006 taught by Professor Staff during the Fall '08 term at Minnesota.

Page1 / 36

chap8 - Steve Fossetts GlobalFl er lFly Unrefueled...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online