Click on the links below to view animations created specifically for Earth: Portrait of a Planet.
Animations require Macromedia's Flash Plug-in.

Evolution of a Meandering Stream

People building communities along a riverbank mistakenly assume that the shape of a meandering stream will remain fixed for a long time. In fact, in a natural meandering river system, the river channel migrates back and forth across the floodplain. View 1 illustrates the processes of erosion and deposition, and View 2 shows the evolution, in map view, of a meandering stream.

Channeled Scablands

A geologist’s interpretation of the channeled scablands, in Washington State, as viewed from the air.

Additional Resources

The abundance of geology-related websites speaks to the active and exciting nature of this field. In the space below we link to external websites that explore topics covered in this chapter.

These links are selected carefully and updated regularly; however, their contents may change over time. Please click here to report a bad or missing link.

» Search for specific topics » Browse the Link Library

	Louisiana's Wetlands: Gone with the Water 9/6/2005 National Geographic Magazine
		This article, originally published in the October 2004 issue of National Geographic, anticipates many of the events that unfolded in the aftermath of Hurricane Katrina nearly a year later. The article has been updated to include links to current news coverage and photographs.

	Nothing's Easy for New Orleans Flood Control 9/6/2005 New York Times
		Figure 17.23 from your textbook was originally published 4/30/2002 as part of an article in the New York Times. This link takes you to the original story and an interactive version of the graphic.

	Make Online Hazards Map 3/19/2007 ESRI and FEMA
		Allows the user to construct a natural hazards map for a specified location.