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U.S. Geological Survey Open-File Report 2010-1156

A High-Resolution Land-Use Map—Nogales, Sonora, Mexico

By Laura M. Norman, Miguel L. Villarreal, Cynthia S.A. Wallace, Claudia Zulema Gil Anaya, Israel Diaz Arcos, and Floyd Gray

ABSTRACT

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The cities of Nogales, Sonora, and Nogales, Arizona, are located in the Ambos Nogales Watershed, a topographically irregular bowl-shaped area with a northward gradient. Throughout history, residents in both cities have been affected by flooding. Currently, the primary method for regulating this runoff is to build a series of detention basins in Nogales, Sonora. Additionally, the municipality also is considering land-use planning to help mitigate flooding. This paper describes the production of a 10-meter resolution land-use map, derived from 2008 aerial photos of the Nogales, Sonora Watershed for modeling impacts of the detention basin construction and in support of an “Early Warning Hazard System” for the region.

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Suggested citation:

Norman, L.M., Villarreal, M.L., Wallace, C.S.A., Gil Anaya, C.Z., Diaz Arcos, Israel and Gray, Floyd, 2010, A high-resolution land-use map; Nogales, Sonora, Mexico: U.S. Geological Survey Open-File Report 2010-1156, 21 p.



Contents

Abstract

Introduction

Accuracy Assessment

Results

Conclusions

Acknowledgments

References Cited

Appendix. Metadata

GIS database


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