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This applet tests the sensitivity of a barotropic model to time step, grid spacing, and initial conditions. The site explains the CFL (Courant-Friedrichs-Lewy) criterion (that the speed of fastest winds in the model must be less than or equal to grid spacing divided by the time step) and how a finite-difference weather prediction model blows up if this criterion is not met. The user of this applet ... Full description.
Grade level: College (15-16), Graduate / Professional
Resource type: Computer activity, Visualization - scientific, Code
Subject: Atmospheric science
 
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This applet simulates a world where there are two kinds of plants: white daisies and black daisies. These plants, along with bare ground, cover the planet. There is a fixed death rate, as well as a fixed value for horizontal temperature transport. The plants, however, have different albedos. The user sets the luminosity and when a steady state is reached, the percentage of cover by the daisies and ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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This applet determines the height of the base of any cumulus cloud that might form due to convection, when the temperature and dew point sliders are adjusted. The applet displays clouds between 1000 and 10,000 feet. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Computer activity, Visualization - scientific, Code
Subject: Atmospheric science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This applet tests the balance of the frictional, pressure gradient, and Coriolis forces with the wind. The applet displays vectors for these forces and the wind as the latitude, friction (drag), and pressure gradient are adjusted. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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This applet allows users to test their understanding of the basic geostrophic wind equation. Instructions are given on how to adjust the friction force (drag), pressure gradient force, and latitude in order to test the equation. There are also other instructions and questions to learn about the balance of Coriolis, frictional, and pressure gradient forces and the wind. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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This applet enables students to learn about the balance of Coriolis forces and the wind. Students will explore the direction and magnitude of the Coriolis force as a function of latitude and wind speed. The horizontal and vertical components of the Coriolis force as well as the total Coriolis force are graphically displayed as changes are made to the wind speed and direction or latitude. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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This applet explores the interaction of two waves, allowing users to control both the period and amplitude as well as the phase between the two waves. Students can try to get the sum to be zero when the two component waves have a nonzero amplitude. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Physics
 
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This applet explores the weighting function, which provides information on what regions of the atmosphere affect satellite measurements. The exercise investigates how changes in the line shape, gas concentration, and vertical distribution of the gas impact the weighting function. The temperature dependence is neglected. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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This applet uses graphs to demonstrate the effective temperature of planets. The graphs display temperature versus distance from the sun. The albedo, solar constant, and distance can be adjusted. There are marks at each of the locations of the solar system planets. The axes can be in linear or logarithmic form; the temperature can be displayed in Kelvin, Fahrenheit, or Celsius. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science, Space science
 
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This applet enables students to explore the effect emissivity, albedo and solar output have on temperature throughout the atmosphere. It graphs altitude versus temperature. There are controls for adjusting atmospheric emissivity, planetary albedo, and the solar constant. Each axis can be displayed in logarithmic or linear form; the temperature can be displayed in Kelvin, Fahrenheit, or Celsius. The ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Computer activity, Illustration - scientific, Code
Subject: Atmospheric science
 
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Results 21 - 30 of 34 <<  1 2 3 4  >>