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Mathematical and Statistical Models Examples

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US Historical Climate: Excel Statistical part of Examples
Students import US Historical Climate Network mean temperature data into Excel from a station of their choice and use Excel for statistical calculations, graphing, and linear trend estimates.

Earth System Topics: Climate, Atmosphere

Vostok Ice Core: Excel (Mac or PC) part of Examples
Students use Excel to graph and analyze Vostok ice core data (160,000 years of Ice core data from Vostok Station). Data includes ice age, ice depth, carbon dioxide, methane, dust, and deuterium isotope relative abundance.

Earth System Topics: Solid Earth:Earth Materials, Climate, Atmosphere

Waves Through Earth: Interactive Online Mac and PC part of Examples
Students vary the seismic P and S wave velocity through each of four concentric regions of Earth and match "data" for travel times vs. angular distance around Earth's surface from the source to detector.

Earth System Topics: Solid Earth:Deformation

Mass Balance Model part of Examples
Students are introduced to the concept of mass balance, flow rates, and equilibrium using an online interactive water bucket model.

Earth System Topics: Earth's Cycles, Climate, Atmosphere, Biosphere:Ecology

Human Demographics part of Examples
In this biology simulation students explore factors that change human population growth including age at which women begin to bear children, fertility rate and death rate.

Earth System Topics: Human Dimensions:Population, Human Dimensions, Biosphere

Genetic Drift part of Examples
In this biology simulation, students use a mathematical simulation of genetic drift to answer questions about the factors that influence this evolutionary process. Students run a series of simulations varying allele frequency and population size and then analyze their data and propose a model to explain their results.

Earth System Topics: Evolution, Biosphere

Sea Floor Spreading I part of Examples
In this introductory Excel tutorial (Activity I) students use Excel to explore the geodynamics model equation for ocean depth around a sea-floor spreading center. For students with no prior Excel experience.

Earth System Topics: Solid Earth, Oceans

Sea Floor Spreading II part of Examples
Students import ocean bathymetry data from text files, they then use Excel to graph these observations along with model prediction to assess the model's ability to simulated the observed topographic features of the North Atlantic.

Earth System Topics: Solid Earth, Oceans

Trace Gases: Stella II Mac and PC part of Examples
This Stella model allows students to learn about chemical mass balance in the atmosphere and apply this to atmospheric chlorofluorocarbon and carbon dioxide concentrations.

Earth System Topics: Atmosphere, Climate

Daisyworld: Stella Mac or PC part of Examples
After constructing a Stella model of Daisyworld students perform guided experiments to explore the behavior of Daisyworld to changes in model parameters and assumptions.

Earth System Topics: Atmosphere:Weather, Climate, Earth's Cycles:Carbon Cycle, Biosphere, Atmosphere, Biosphere:Ecology