Repositorio IPICyT: Envíos recientes
Mostrando ítems 1601-1620 de 2293
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Chemical species of chromatite of an industrial landfill in the León valley, Guanajuato, Mexico
(2009)"Chromium is a commonly identified contaminant in soils and groundwater and is widely used in industries. Disposal of industrial solid wastes can cause health and environmental risks due to the leaching and seepage of ... -
Caracterización de la materia orgánica disuelta en agua subterránea del Valle de Toluca mediante espectrofotometría de fluorescencia 3D
(2015-08)"La materia orgánica en el agua está compuesta por miles de componentes: partículas macroscópicas, coloides o macromoléculas disueltas. Caracterizar la materia orgánica disuelta en el agua para abastecimiento humano es ... -
El sistema hidrológico Esperanza-Oriental y su impacto sobre el acuífero de Tecamachalco, Puebla, México
(2016-08)"El sistema hidrológico Esperanza-Oriental se alimenta principalmente de los deshielos de los volcanes Pico de Orizaba y La Malinche, que se traducen en la disponibilidad de agua subterránea para el valle de Esperanza, con ... -
Mapeo del riesgo a la contaminación del agua subterránea en los Valles Centrales de Oaxaca, México
(2009)"The Central Valleys of Oaxaca, Mexico, are practically located in the center of Oaxaca State. They formed a "Y" depression inside the Sierra Madre del Sur, where the NW branch represents the Etla Valley aquifer and the ... -
Water poverty index in subtropical zones: The case of Huasteca Potosina, Mexico
(2015-08)"Tools are needed in order to evaluate an integrated water resource management, and to encourage the management and coordinated usage of water resources along with the environmental and socioeconomic factors. One of those ... -
Characterization of dissolved organic matter in an agricultural wastewater-irrigated soil, in semi arid Mexico
(2017-10)"Most agricultural soils in semi-arid regions present a deficiency of organic matter (SOM). In order to improve this soil, wastewater is used due to its high organic carbon content. The objective of the present work was ... -
Síntesis de arseniatos de calcio (Guerinita, haidingerita y farmacolita) morfológicamente similares a los encontrados en suelos contaminados
(2017)"En el acuífero somero de Matehuala y Cerrito Blanco, en el estado de San Luis Potosí, México, se han reportado concentraciones de hasta 158 mg/L de arsénico cuya movilidad ha podido ser representada por la disolución de ... -
Influence of sugarcane burning on soil carbon and nitrogen release under drought and evapotranspiration conditions in a Mexican sugarcane supply zone
(2016-05)"Sugarcane cultivation is an agricultural activity of worldwide importance. This crop has been cultivated in Mexico for centuries, impacting important productive areas like the study region called Huasteca Potosina which ... -
Cálculo del índice de pobreza del agua en zonas semiáridas: caso Valle de San Luis Potosí, México
(2013-11)"El índice de pobreza del agua permite evaluar la pobreza de agua tomando en cuenta tanto factores físicos como socioeconómicos relacionados con la disponibilidad de agua. La metodología fue propuesta por Lawrence y ... -
Aplicación del método SINTACS para la determinación de la vulnerabilidad acuífera en la cuenca del río Duero, Michoacán, México
(2013-11)"El concepto de vulnerabilidad acuífera se define como la probabilidad de que el agua subterránea se contamine con alguna sustancia en concentraciones por arriba de la normatividad para agua de consumo humano o de los ... -
Air quality deterioration of urban areas caused by wildfires in a natural reservoir forest of Mexico
(Hindawi, 2015)"Many regions of the world suffer loss of vegetation and reduced air quality due to wildfires. Studies on aerosol emissions by wildfires often discuss the negative effects of atmospheric contaminants from a regional or ... -
Sand waves generation: a numerical investigation of the Infiernillo Channel in the Gulf of California
(2016-07)"The effect of the coastal geometry on sand bed forms generation has been investigated for a tidal dominated area. Different hypothetical geometries of coastal channels with flat bottoms and unlimited sediment availability ... -
An unusual syn-eruptive bimodal eruption: The Holocene Cuicuiltic Member at Los Humeros caldera, Mexico
(2014-02)"The Cuicuiltic Member (CM) at Los Humeros Caldera, eastern Mexican Volcanic Belt is a Holocene (6.4 ka B.P.) succession of alternated fallout deposits of contrasting composition (trachydacite pumice and basaltic andesite ... -
Paleozoic exotic blocks of the crimean mountains: stratigraphy and origin
(2014-08)"Based on numerous geological data obtained by the authors for several decades, the stratification of Permian and Carboniferous ancient and exotic blocks of Crimean Mountains is performed. The sequence of geological events ... -
Detailed study of radon spatial anomaly in tlamacas mountain area, volcano Popocatepetl, Mexico
(2016-03)"Results of a soil radon survey accomplished by 2 different methods during 2 different periods in the area of Tlamacas Mountain are presented. The first study, carried out from 15-APR-2010 to 09-MAY-2010 in 30 measurement ... -
Surface and physicochemical characterization of phosphates vivianite, Fe2(PO4)3 and hydroxyapatite, Ca5(PO4)3OH
(2009-08)"Hydroxyapatite is a calcium phosphate in the apatite group. It has numerous applications due to its particular properties including the sorption of metallic ions. This makes it useful for the treatment of contaminated ... -
Modeling of groundwater flow and water use for San Luis Potosí Valley aquifer system
(2014)"Land use changes are currently one of the indisputable factors in the alteration of processes and cycles of the aquifer system in the San Luis Potosí Valley. Due to its importance, is considered indispensable to investigate ... -
The VISHMOD methodology with hydrochemical modeling in intermountain (karstic) aquifers: case of the Sierra Madre Oriental, Mexico
(2014)"Hydrogeochemistry can be studied qualitatively using graphics such as scatter plots and Piper, Durov, and Schoeller diagrams, among others, and quantitatively by applying mass balance mixing models. The VISHMOD methodology ... -
Phylogenetic diversity of methyl-coenzyme M reductase (mcrA) gene and methanogenesis from trimethylamine in hypersaline environments
(2012)"Methanogens have been reported in complex microbial communities from hypersaline environments, but little is known about their phylogenetic diversity. In this work, methane concentrations in environmental gas samples were ... -
Transparency of cosmic radio waves caused by seismic and volcano activities
(2014-09)"The generation of different waves in the atmosphere and ionosphere caused by seismic and volcano activities has changed the transparency for cosmic radio waves. It is possible to analyze two cases: the first case caused ...