2. Pressure

    Measurement of Atmospheric Pressure
    (with barometers)

    Pressure Forces

    Wind



    [* The following topics are in alphabetical order.]


    Atmospheric Pressure (I)


    This site provided as part of NASA's "For Kids Only" webpage. Includes some interesting facts about atmospheric pressure, as well as a few experiments for young children.



    Atmospheric Pressure (II)


    This site is provided by the Naval Meteorology and Oceanography Command and its Educational Resource Weather Talk.

    It includes a brief summary of some general principles of atmospheric pressure.

    Just Click on the word "Pressure" on the left hand side of the page.


    Atmospheric Pressure (III)


    Provided as part of Geography 109: Weather and Climate, at Indiana University.

    An excellent tutorial on atmospheric pressure, geared toward college students.



    Atmospheric Pressure , changes with height of


    Provided as part of Geography 109: Weather and Climate, at Indiana University.

    A single graphic showing the approximate height (in feet and meters) of various pressure levels in the atmosphere.



    Atmospheric Pressure, Tutorial (II) on


    This site is provided by Dr. John Stimac, from the Department of Geology/Georgraphy, at Eastern Illinois University.

    This is a beautifully done webpage, which provides an excellent and comprehensive discussion about atmosphere pressure. It includes information about the Pressure Gradient Force, Coriolis Force, Friction, Centrifugal Force, Wind, and how wind is measured.

    .



    Atmospheric Pressure, Tutorial (III) on


    Provided by the Department of Atmospheric Sciences, at the University of Illinois, as part of its "Weather World 2010 project".

    Includes a discussion of isobars, constant pressure surfaces, the relationship between pressure and temperature, the pressure gradient force and wind.



    Atmospheric Pressure, Tutorial (IV) on


    Provided by the Department of Atmospheric Sciences, at Texas A&M University, as part of METR 304.

    This is a somewhat technical discussion, but is extremely informative and well done (ie, it's worth the effort!). Length= 11 pages.



    Atmospheric Pressure, Tutorial (V) on


    Provided by the The National Weather Service Southern Region, in Fort Worth, Texas, as part of their Jetstream-Online School for Weather.




    Atmospheric Pressure and the Gas Laws, Tutorial (VI) on

    Provided as part of Geography 109: Weather and Climate, at Indiana University.

    Includes discussion of "gas pressure" and its mathematical representation, atmospheric pressure, hydrostatic pressure and the Gas Laws.



    Barometer, The Aneroid


    Provided by the Australian Government Bureau of Meteorology.

    This includes information on the inventor, Evangelista Torricelli, as well as information on how an aneroid barometer works.



    "Constant Pressure Surface"?, What is a

    Provided by Geography 109, at Indiana University.

    This explains the effect of the temperature of an air mass on the height of a constant pressure surface.



    Pressure Gradient Force (I)


    Provided by the Department of Atmospheric Sciences, at
    University of Illinois, as part of its "Weather World 2010 project".



    Pressure Gradient Force (II), relationship of Coriolis Accel. and Centripetal Accel. to

    Provided as part of Geography 109: Weather and Climate, at Indiana University.



    Pressure Gradient Force (III), how wind is produced by the


    Provided as part of Geography 109: Weather and Climate, at Indiana University.

    This is a single page presentation which gives a good reprentation of the pressure gradient force (PGF).



    Wind (I)

    This site is provided by the Naval Meteorology and Oceanography Command and its Educational Resource Weather Talk.

    It includes a brief summary of some general principles of atmospheric pressure.

    Just Click on the word "Wind" on the left hand side of the page.


    Wind (II), atmospheric pressure and


    Below are some websites from the Department of Atmospheric Sciences at Texas A&M University.

    Each one addresses certain topics related to Wind and Pressure. The information is taken from lecture and study notes from METR 151, METR 201 and METR 304.

    1. Winds and Pressure

    2. Putting it all together: The Relationship between Pressure, Height, Density and Temperature

    3. An excellent Review of the "Pressure Forces" and their relationship to Wind (with study problems)



    Wind (III), atmospheric pressure and

    This site is provided by Dr. John Stimac, from the Department of Geology/Georgraphy, at Eastern Illinois University.

    This is a beautifully done webpage, which provides an excellent and comprehensive discussion about wind, and how wind is produced through the combination and balance of forces.

    .




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