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Mostrando ítems 61-70 de 239
Estimation of total yearly CO2 emissions by wildfires in Mexico during the period 1999–2010
(Hindawi, 2014)
"The phenomenon of wildfires became a global environmental problem which demands estimations of their CO2 emissions. Wildfires have deteriorated the air quality increasingly. Using available information on documented ...
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 ...
A new theory on tidal currents rotation
(2007-01)
"Applying the linearized equations of motion, projection on the complex plane and a representation of the velocity vector and the forcing sea surface elevation gradient in function of the eigenvectors of the homogeneous ...
Transitional adakite-like to calc-alkaline magmas in a continental extensional setting at La Paz Au-Cu skarn deposits, Mesa Central, Mexico: metallogenic implications
(2008)
"The granodiorite intrusions with associated Cu-Au skarn mineralization of La Paz district are located in the east part of the Mesa Central of Mexico. The skarn developed at the contact between a middle Cretaceous ...
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 ...
Factores que dan origen al minado de acuíferos en ambientes áridos: caso Valle de San Luis PotosíFactors causing the mining of aquifers in arid environments: case of San Luis Potosí valley
(2009-08)
"El análisis de datos históricos y recientes de hidrogeología, geofísica, cambio de uso del suelo, clima y las prácticas de manejo del recurso hídrico apuntan a una continua disminución de los volúmenes de agua subterránea. ...
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 ...
Water poverty index in subtropical zones: The case of Huasteca Potosina, MexicoÍndice de pobreza del agua en zonas subtropicales: el caso de la Huasteca Potosina, México
(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 ...
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 ...
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 ...