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Go To the CoCo RaHS site

CoCo RaHS is an acronym for a continuing summer science education project in northern Colorado. It stands for the Community Collaborative Rain and Hail Study. Scientists often give their research projects funny names like this.

CoCo RaHS is a special project designed to include volunteer students and adults in a study of the fascinating and very complex patterns of rain and hail from our summer thunderstorms. Many volunteers are working to accurately measure and describe rainfall patterns and hail swaths. The Colorado Climate Center at Colorado State University has been thinking about doing a project like this for several years. The 1997 Fort Collins flood was a major factor in getting the project started in 1998.

For a brief overview of the climatic history of Fort Collins, Colorado USA see:


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Ecosystem geography

Bailey, Robert G. 1996.

In this book, Dr. Bailey has taken a Geographers prospective of looking at the whole and then figuring out how the parts fit together. His solution of this world scale jigsaw puzzle has produced an unmatched insight into ecosystem structure and function. He explains how regional ecosystem boundaries are a function of climate properties that provide the energy to sustain life. At a different scale, other inputs from geology, soil, watershed, and physiography temper the mix of life forms that form an ecosystem.

Throughout this book the emphasis is on spatial relationships among the components that make up ecosystems. However these are not static systems because, at all scales, spatial units of ecosystems and their processes also interact to provide life sustaining natural services.

This is one science book that is easy to read because Dr. Bailey took a great deal of care to explain his reasoning using familiar terms. There is an excellent glossary to explain concepts contained in those words that are not so familiar. Numerous pictures and illustrations clearly present the many ecosystem concepts covered in this book. Finally, a map inside the back cover illustrates the Ecoregions of the Continents.

Also visit the USDA Forest Service ecoregions page, at

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Ecoregions :

The Ecosystem Geography of the Oceans and Continents

Bailey, Robert G. 1998.

This book applies the principles described in Bailey's Ecosystem Geography to describe and characterize the major terrestrial and aquatic ecological zones of the Earth. Bailey's system for classifying these ecoregions has been adopted by major organizations such as the US Forest Service and The Nature Conservancy, and this book is a significant contribution to a long tradition of classifying and studying the world's ecological regions. It includes two color maps that show the major ecoregions of the continents and oceans.

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