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Binational digital soils map of the Ambos Nogales watershed, southern Arizona and northern Sonora, Mexico

Open-File Report 2004-1335

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Abstract

We have prepared a digital map of soil parameters for the international Ambos Nogales watershed to use as input for selected soils-erosion models. The Ambos Nogales watershed in southern Arizona and northern Sonora, Mexico, contains the Nogales wash, a tributary of the Upper Santa Cruz River. The watershed covers an area of 235 km2, just under half of which is in Mexico. Preliminary investigations of potential erosion revealed a discrepancy in soils data and mapping across the United States-Mexican border due to issues including different mapping resolutions, incompatible formatting, and varying nomenclature and classification systems. To prepare a digital soils map appropriate for input to a soils-erosion model, the historical analog soils maps for Nogales, Ariz., were scanned and merged with the larger-scale digital soils data available for Nogales, Sonora, Mexico using a geographic information system.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Binational digital soils map of the Ambos Nogales watershed, southern Arizona and northern Sonora, Mexico
Series title:
Open-File Report
Series number:
2004-1335
Edition:
Version 1.0
Year Published:
2004
Language:
ENGLISH
Description:
39 p.