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La Red Temática Nacional sobre los Efectos de los Incendios Forestales sobre los Suelos (Fuegored), en su V Reunión Internacional, ha otorgado el premio al mejor trabajo de investigación presentado por jóvenes investigadores a Nicasio T. Jiménez Morillo, estudiante de doctorado de la Universidad de Sevilla, por su trabajo sobre la caracterización de marcadores orgánicos de la hidrofobicidad del suelo provocada por los incendios en el Parque Nacional de Doñana. Seguir leyendo | Continue reading
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2/1/2015 Investigan los procesos químicos que evitan que el agua penetre en el suelo tras un incendioRead Noweuropapress.es
La Red Temática Nacional sobre los Efectos de los Incendios Forestales sobre los Suelos (Fuegored), en su V Reunión Internacional, ha otorgado el premio al mejor trabajo de investigación presentado por jóvenes investigadores a Nicasio T. Jiménez Morillo, estudiante de doctorado de la Universidad de Sevilla, por su estudio sobre la caracterización de marcadores orgánicos de la hidrofobicidad del suelo provocada por los incendios en el Parque Nacional de Doñana mediante pirolisis analítica. Continuar leyendo | Continue reading 2/1/2015 Premio de investigación a Nicasio T. Jiménez-Morillo, estudiante de doctorado de la USRead Nowcomunicacion.us.es
La Red Temática Nacional sobre los Efectos de los Incendios Forestales sobre los Suelos (FUEGORED) ha otorgado el premio al mejor trabajo de investigación presentado por jóvenes investigadores a Nicasio T. Jiménez Morillo, estudiante de doctorado de la US. Continuar leyendo | Continue reading 2/1/2015 Investigan los procesos químicos que evitan que el agua penetre en el suelo tras un incendioRead Nowlainformacion.com
Un trabajo de la US ha sido premiado por la Red Temática Nacional sobre los Efectos de los Incendios Forestales sobre los Suelos. Seguir leyendo | Continue reading The photograph corresponds to a paleosol in the island of Mallorca (Spain), and shows an intense red colour (due to the massive release of dehydrated iron oxides, hematite), dark spots (manganese oxides) and a yellowish colour surrounding cracks and macropores were water flows (hydration and reduction of iron minerals). Posted originally at http://imaggeo.egu.eu/view/1604. Racetrack Playa is a plain without vegetation of a dry located above the northwestern side of Death Valley, in Death Valley National Park (Inyo County, CA, USA). Although “playa” is the Spanish word for beach, it is also used in English to refer to a dry lake. Racetrack Playa occupies an area of 4.5 km (north-south) by 2 km (east-west) which is 1,130 m above sea level between the Cottonwood Mountains and Last Chance Range. The surface is extremely flat and dry for most of the year, when the surface is covered with small hexagonal mud curls, although floods partially during the rainy season forming a shallow lake that evaporates quickly. In winter it forms a relatively thick layer of ice.
Continue reading at G-Soil .Continue reading at the EGU BLog Network. Soil structure is the result of the spatial arrangement of the solid soil particles and their associated pore space. Aggregation mainly depends on the soil composition and texture, but is also strongly influenced by other factors such as biological activity, climate, geomorphic processes or the action of fire. Structure is a typical morphological soil property, which allows differentiating soil of geological material. Because of its importance, structure is a property commonly described in soil studies.
Continue reading at G-Soil. This photo was taken while planning some field experiments: in the image, several water drops are resting on a surface soil layer without infiltrating. This process is known as water repellency. Water repellency is a property of soils which, until recently, has not received much attention despite its geomorphological consequences (limiting water infiltration in soils, increasing runoff rates and enhancing the risk of soil erosion). Vegetation, including tree species such as pines or eucalyptus, or shrubs, such as heather, fungi and other soil microorganisms are the main sources of hydrophobic organic substances in soils. Climate, soil texture and structure may also modulate the degree of hydrophobicity.
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After the voting period, the winner is… Continue reading Wildfires play a key role in Mediterranean landscape, modelling vegetation, soils and geomorphological processes. Prescribed burning is a useful tool for soil scientists studying the effects of wildfires on soil properties, as it allows for data collection before and immediately following burning, making easy experimental design.
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