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USGS Data Series 423

Selected Physical, Chemical, and Biological Data Used to Study Urbanizing Streams in Nine Metropolitan Areas of the United States, 1999–2004

National Water-Quality Assessment Program

By Elise M.P. Giddings, Amanda H. Bell, Karen M. Beaulieu, Thomas F. Cuffney, James F. Coles, Larry R. Brown, Faith A. Fitzpatrick, James Falcone, Lori A. Sprague, Wade L. Bryant, Marie C. Peppler, Cory Stephens, and Gerard McMahon

Contents

Data Series 423 Home Page

Introduction
Purpose and Scope
Description of Study Objectives
Acknowledgments
Conversion Factors
Abbreviations and Acronyms

Data-Collection and Processing Methods
Watershed characteristics
Instream Characteristics
Biological Communities
Laboratory Analysis
Data Processing

References

Table 7. PCA axes scores for selected environmental variables summary

Table 7. PCA axes scores for selected environmental variables summary (46 KB)

Table 7-A. PCA scores for GIS variables (135 KB)

Table 7-B. PCA scores for census variables (85 KB)

Table 7-C. PCA scores for stream chemistry variables (111 KB)

Table 7-D. PCA scores for instream habitat variables (97 KB)

NAWQA Home Page EUSE NAWQA Home page DS 423 Home Page

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