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Browse Visualizations

You can use this page to browse through all of the individual visualizations that have been cataloged in our digital library. You can also browse them as collections related to particular topics.



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Examples of Physical Weathering

This site provides six photographic examples of physical or mechanical weathering. Included are three examples of frost wedging and three examples of root wedging. Clicking on each example yields a larger view.

Surface Area vs. Size and Shape

This annotated animation shows the potential increase in surface area which results from physical weathering. Students have the opportunity to calculate and compare surface area increases for two different scenarios: when a single mass weathers into cubical blocks versus plate-like blocks. Captions help students through calculations for determining the total surface areas of the different shapes.

Soil Texture and Classification

This interactive site from North Carolina State University shows the kinds of soils developed from different silt, sand, and clay content levels. A ternary diagram shows the range of soil textures based on percentages of each component. The site also provides an example of how to determine the soil texture of a sample composition. Students are also able to enter the percent composition of sand, silt, and clay and predict the soil texture classification themselves.

Natural Hazards: Floods

This site contains an interactive map of recent worldwide flood events. Clicking on the icons on the map will display satellite imagery and a detailed description of the flood events. Information in each description includes time and date of the event(s) as well as cause and effects of the event(s). Users may also choose to follow hotlinks to the detailed flood event information. This site is part of NASA's Earth Observatory, Natural Hazards division.

River Terraces below the 1959 Madison 'Slide

This site describes the formation of river terraces as a consequence of the 1959 Hebgen Lake, Montana earthquake and subsequent Madison slide. The report includes data, photographs, and graphs (some are animated) related to sediment loading and terrace formation below the Madison slide.

Coastal Upwelling Animation

This site from Exploring Earth features an animation of upwelling in a coastal environment. It shows how onshore winds blowing along a coastline push surface water, which, when combined with the Coriolis effect, moves the water away from the coast. As surface water moves outward, cold, plankton-rich water from the ocean bottom moves toward the coast and rises to replace the displaced surface water.

Hurricane Visualizations

This site from NOAA's Geophysical Fluid Dynamics Laboratory presents descriptions, 3-D images and animations of some noteworthy hurricanes in recent history, including Andrew, Opal and Fran. The gallery also includes hurricane models under increased atmospheric CO2 conditions. The visualizations are offered as examples of various visualization techniques and how they might be used to convey complex results as understandable images.

NASA's Hurricane Resource Page

NASA's Hurricane Resource Page provides a wide variety of information regarding recent and historic hurricanes. A collection of links feature information including the latest images and animations from recent hurricanes, in depth web pages about hurricanes in 2005, educational tools and products, hurricane topics and the latest hurricane news. This webpage is a very useful resource for anyone looking for information on current and recent hurricanes.

Dynamics of Steady-State Drainage Basins: An Experimental Approach

This site contains animations and data of erosion on a small scale and numerical landscape erosion models. Erosion on small scale models were developed in an erosion facility that allows a miniature landscape to erode through several relief distances at constant base level fall and rainfall rates. Numerical landscape erosion animations are modified from published models with changes to numerical lattice boundaries such as stream curvatures, hillslope failure and directional diffusion. Tables and diagrams provide spatial and temporal statistics of experimental landscapes. Also available on this website are PDF versions of Les Hasbargen's publications and presentations.

Seismic Simulations Homepage: Seismic Data

This site describes an experiment at Duke University's Division of Earth and Ocean Sciences which examines how much of the rock record is retained in seismic reflection data. Experimental strata formed in a laboratory basin model simulate natural strata formation and digital images generate synthetic seismic data. These synthetic data are compared to the digital images of the experimental strata to assess the amount of stratigraphic information preserved in the modeled seismic data.



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