

In keeping with the theme of Chapter 9, these Web Links are designed to demonstrate just how exciting the discipline of geography is. These sites exemplify the many concepts presented in The Hydrosphere.
- Earth Observatory
The atmosphere's interactions with the Earth's lands, oceans, and life bring about climate and environmental changes that can be viewed and measured by satellites.
- The Hydrologic Cycle
This module of Weather World 2010 provides an excellent tutorial on the hydrologic cycle. You can find information on precipitation, water budgets, runoff, groundwater, and more. It also uses graphics to illustrate many of the concepts. For information about the hydrologic cycle, you cannot go wrong with this site.
- USGS Water Resources Information
This Website provides data (on acid rain, water quality, and more) factsheets, software, and abstracts on various water issues in the United States.
- Oceans in Peril
To help you navigate through these threats to the seas, click on any of the buoys which mark the course through oceans in peril.