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Mathematical and Statistical Models Examples

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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: Biosphere, Evolution

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

World Population Activity II: Excel part of Examples
(Activity 2 of 2)In this intermediate Excel tutorial students import UNEP World population data/projections, graph this data, and then compare it to the mathematical model of logistic growth.

Earth System Topics: Human Dimensions:Population

World Population Activity I: Excel part of Examples
(Activity 1 of 2) This activity is primarily intended as an introductory tutorial on using Excel. Students use Excel to explore population dynamics using the Logistic equation for (S-shaped) population growth.

Earth System Topics: Human Dimensions:Population

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, Biosphere:Ecology, Atmosphere

Sun Path: Interactive On-line Mac or PC part of Examples
Students use SunPath in the yearly mode to investigate seasonal changes in sunrise, sunset, length of day and sun altitude at their own latitude. JAVA activity for Mac or PC.

Earth System Topics: Atmosphere, Climate, Solar System and Astronomy

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: Oceans, Solid Earth

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: Oceans, Solid Earth

Planck Radiation Laws: Excel; Mac or PC part of Examples
Students use an existing Excel workbook to investigate how spectral irradiance from a blackbody radiator depends on temperature, Excel Mac or PC

Earth System Topics: Atmosphere, Climate

Wave Superposition: Interactive On-line Mac and PC part of Examples
An Interactive JAVA environment to allow one to look at the linear superposition of up to 4 ocean waves

Earth System Topics: Oceans



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