Results 131 to 140 of about 919 (173)
Rainwater chemistry at the eastern flanks of the Sierra Madre Oriental, Veracruz, Mexico [PDF]
Journal of Geophysical Research, 1997 A rainwater chemistry study was carried out at a single site in Xalapa located at the eastern flanks of the Sierra Madre Oriental, Veracruz, Mexico, during the rainy and dry seasons under the influence of different meteorological conditions. Rain samples were analyzed for the most important ions.
A. P. Báez +4 more
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A new species of Lobelia (Campanulaceae: Lobelioideae) from the Sierra Madre Oriental, Mexico
Phytotaxa, 2022Lobelia alanae sp. nov. from Puebla and Veracruz, Mexico, is described from four known populations in tropical deciduous forests from 153 to 700 m elevation. This new species is compared to the closely related Lobelia porphyrea, a species known only from the type collection in the state of Hidalgo. Lobelia alanae can be separated from L.
Pérez-Pérez, Miguel A. +2 more
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The Sierra Madre Oriental Orocline: Paleomagnetism of the Nazas Province in NE Mexico
Journal of Geophysical Research: Solid EarthAbstract Curved mountain belts are spectacular natural features that contain crucial 3D information about the tectonic evolution of orogenic systems in the absence of other kinematic markers. The Mesozoic units exposed in the Mexican Fold and Thrust Belt in northeastern Mexico show a striking curvature, whose kinematic history has not
Cesar FRANCISCO Ramirez +2 more
exaly +4 more sources
Modeling of groundwater processes in a karstic aquifer of Sierra Madre Oriental, Mexico
Applied Geochemistry, 2018Abstract The Sierra Madre Oriental (SMO) is composed of ranges with important regional geological structures in highly fractured carbonate rocks (Abra Formation), which facilitate the recharge of aquifers. At the regional scale, recharge occurs in the western SMO and locally, in ranges such as Palmillas, La Colmena and Abra, while the regional ...
J. Moran-Ramírez +6 more
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Late Holocene Vegetation Change in the Sierra Madre Oriental of Central Mexico
Quaternary Research, 2002AbstractPast vegetation and climate changes reconstructed from a sediment core from Laguna Atezca, Molango, Mexico, provide new insights into the environmental and cultural histories of the Sierra Madre Oriental during the last 1700 yr. Pollen, microscopic charcoal, sediment chemistry, loss on ignition, and magnetic susceptibility indicate that three ...
Maria Elena Conserva, Roger Byrne
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DEFORMATION HISTORY OF THE SIERRA MADRE ORIENTAL, MEXICO, AND ASSOCIATED HYDROCARBON System
4th International Congress of the Brazilian Geophysical Society, 1995An examination of the tectonic development and deformation style of the Sierra Madre Oriental (SMO) was undertaken as the first part of a joint project involving Pemex, the Instituto Mexicano del Petr61eo, and Amoco. This served as a starting point for an evaluation of the petroleum potential of this folded thrust belt.
G. Prost +7 more
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Science of The Total Environment, 2019
Fire modifies soil surface, and hence soil hydrological properties change after wildland fires. High fire severity causes partial or total removal of vegetation, reduction of soil aggregate stability and increased water repellency, which are associated with high runoff and erosion.
Azalea Judith Ortíz-Rodríguez +2 more
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Fire modifies soil surface, and hence soil hydrological properties change after wildland fires. High fire severity causes partial or total removal of vegetation, reduction of soil aggregate stability and increased water repellency, which are associated with high runoff and erosion.
Azalea Judith Ortíz-Rodríguez +2 more
openaire +2 more sources
Journal of Mountain Science, 2020
Landslides induced by prolonged rainfalls are frequent mass movements along the northeastern portion of the Sierra Madre Oriental in Mexico, causing significant damage to infrastructure. In this work, we have studied the connection between rainfall and landslides in the Santa Rosa Canyon, a catchment located in the northeastern Mexico.
Jorge A. Salinas-Jasso +4 more
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Landslides induced by prolonged rainfalls are frequent mass movements along the northeastern portion of the Sierra Madre Oriental in Mexico, causing significant damage to infrastructure. In this work, we have studied the connection between rainfall and landslides in the Santa Rosa Canyon, a catchment located in the northeastern Mexico.
Jorge A. Salinas-Jasso +4 more
openaire +1 more source
THE SIERRA MADRE ORIENTAL OROCLINE. PALEOMAGNETISM OF THE NAZAS SYSTEM IN NORTH-CENTRAL MÉXICO
2023Curved mountain belts are spectacular natural features, which contain crucial 3D information about the tectonic evolution of orogenic systems. The Mesozoic units exposed at the Cordilleran Mexican Fold and Thrust belt in NE Mexico show a striking curvature that has not been explained nor included in the existent tectonic models of the region.
Rafael Guerra Roel +8 more
openaire +1 more source