Approximation of the surface of gypseous soils in San Luis Potosí, Mexico

The gypseous soils of San Luis Potosí State, México, are not well map-delimited, despite their broad extent and the specific agricultural and environmental management they require. The present article highlights the location and extent of the gypseous lands in the Altiplano and Zona Media of San Lui...

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Autores principales:	Martínez-Montoya,Juan F, Herrero-Isern,Juan, Aceves-de Alba,Jorge, Palacio-Núñez,Jorge, Ruiz-Vera,Víctor M, Olmos-Oropeza,Genaro
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2012
Materias:	Cartography Landsat images sustainable land use photo interpretation
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000300013
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spelling	oai:scielo:S0718-162020120003000132014-03-10Approximation of the surface of gypseous soils in San Luis Potosí, MexicoMartínez-Montoya,Juan FHerrero-Isern,JuanAceves-de Alba,JorgePalacio-Núñez,JorgeRuiz-Vera,Víctor MOlmos-Oropeza,Genaro Cartography Landsat images sustainable land use photo interpretation The gypseous soils of San Luis Potosí State, México, are not well map-delimited, despite their broad extent and the specific agricultural and environmental management they require. The present article highlights the location and extent of the gypseous lands in the Altiplano and Zona Media of San Luis Potosí State. For this purpose, soil, geology and vegetation maps as well as studies related to gypsum-rich soils, aerial photographs, and satellite maps (termed 'espaciomapas' in Spanish, these refer to Landsat-5 Thematic Mapper images of Red-Green-Blue:432 composition printed at 1:250,000 scale) were reviewed. Additionally, field and laboratory work were carried out. The maps provided by the Commission for Studies of the National Territory (CETENAL) proved very useful during the mapping process, especially as an initial reference to the presence of this soil type. The gypseous surface extent (397,258 ha) delineated in this study is double that (193,907 ha) reported in the CETENAL cartography at 1:50,000 scale. Moreover, areas with shallow gypsum, i.e., a gypseous horizon occurring at a depth of less than 50 cm, were discriminated from areas with deep gypsum (termed shallow and deep gypsum phases, respectively). This distinction between shallow and deep gypsum phases is very useful for resource management planning. The maps produced serve as a reference for specific studies aimed at evaluating the suitability of land for production or environmental purposes at large scales, in which case more detailed mapping will be required.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.39 n.3 20122012-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000300013en10.4067/S0718-16202012000300013
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Cartography Landsat images sustainable land use photo interpretation
spellingShingle	Cartography Landsat images sustainable land use photo interpretation Martínez-Montoya,Juan F Herrero-Isern,Juan Aceves-de Alba,Jorge Palacio-Núñez,Jorge Ruiz-Vera,Víctor M Olmos-Oropeza,Genaro Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
description	The gypseous soils of San Luis Potosí State, México, are not well map-delimited, despite their broad extent and the specific agricultural and environmental management they require. The present article highlights the location and extent of the gypseous lands in the Altiplano and Zona Media of San Luis Potosí State. For this purpose, soil, geology and vegetation maps as well as studies related to gypsum-rich soils, aerial photographs, and satellite maps (termed 'espaciomapas' in Spanish, these refer to Landsat-5 Thematic Mapper images of Red-Green-Blue:432 composition printed at 1:250,000 scale) were reviewed. Additionally, field and laboratory work were carried out. The maps provided by the Commission for Studies of the National Territory (CETENAL) proved very useful during the mapping process, especially as an initial reference to the presence of this soil type. The gypseous surface extent (397,258 ha) delineated in this study is double that (193,907 ha) reported in the CETENAL cartography at 1:50,000 scale. Moreover, areas with shallow gypsum, i.e., a gypseous horizon occurring at a depth of less than 50 cm, were discriminated from areas with deep gypsum (termed shallow and deep gypsum phases, respectively). This distinction between shallow and deep gypsum phases is very useful for resource management planning. The maps produced serve as a reference for specific studies aimed at evaluating the suitability of land for production or environmental purposes at large scales, in which case more detailed mapping will be required.
author	Martínez-Montoya,Juan F Herrero-Isern,Juan Aceves-de Alba,Jorge Palacio-Núñez,Jorge Ruiz-Vera,Víctor M Olmos-Oropeza,Genaro
author_facet	Martínez-Montoya,Juan F Herrero-Isern,Juan Aceves-de Alba,Jorge Palacio-Núñez,Jorge Ruiz-Vera,Víctor M Olmos-Oropeza,Genaro
author_sort	Martínez-Montoya,Juan F
title	Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
title_short	Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
title_full	Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
title_fullStr	Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
title_full_unstemmed	Approximation of the surface of gypseous soils in San Luis Potosí, Mexico
title_sort	approximation of the surface of gypseous soils in san luis potosí, mexico
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000300013
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_version_	1714202143786795008

Approximation of the surface of gypseous soils in San Luis Potosí, Mexico

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