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Research paper thumbnail of Characterization of pull-out behavior in the fiber–mortar interface with superficial treatments

Construction and Building Materials

Research paper thumbnail of Land cover change dynamics in the Southeast of Spain. The abandonment of agricultural areas

EGU General Assembly Conference Abstracts, Apr 1, 2018

Land cover change (LCC) is a complex process continuously affected by severe alterations that can... more Land cover change (LCC) is a complex process continuously affected by severe alterations that can produce numerous consequences for terrestrial and aquatic environments. Climate and several human activities are capable of increasing the LCC and, for that reason, the understanding of recent LCC is fundamental for decision makers to identify appropriate land use policies, which might derive in better urban management programmes. Land cover patterns in the southeast of Spain (Almería, Murcia and Alicante provinces) were determined from CORINE Land Cover (CLC) database and a geographic information system (GIS), comparing digital land cover maps of 1990, 2000, 2006 and 2012. In addition, the most significant LCC were checked using contemporaneous aerial images. Results showed that the agricultural and forestry land covers are the most important in the study area. In 1990, they covered 97.4% of the studied territory, followed by the artificial surfaces (2%). From 2000 to 2006 land cover change was lower than 2%. Nevertheless, the dynamic LCC increased considerably from 2006 to 2012 (about 13.6%). During this period, agricultural areas decreased in 790 km 2 and forest areas and artificial surfaces increased in 559 km 2 and 255 km 2 respectively. 44 different classes compose level 3 of land cover classes in CLC. Their analysis evidences an important increase of discontinuous urban, industrial and commercial zones, pastures, and coniferous forest from 1990 to 2012. In contrast, crops and forest areas with low vegetation were mostly reduced , which reflects the agronomic regime (set-aside) introduced by European Union in 1988 with the aim of reducing and controlling the price of agricultural products. However, the LCC dynamics is not continuous between 1990 and 2012. The abandonment of agricultural areas, observed from 2000 is accentuated in the last decade. The most significant changes were observed between 2006 and 2012. Within this period, results confirm the conversion of crops in pasture, urban and industrial areas. Unlike the important urban growth, urban land cover only accounts for less than 6% out of the total surface. From conclusions, it's worthy to be highlighted that land cover changes are directly influenced by economic and political guidelines and does not follow a natural continuous trend along the studied period.

Research paper thumbnail of Comparative study of the energy potential of cyanide waters using two osmotic membrane modules under dead-end flow

Journal of Physics: Conference Series, Dec 1, 2017

Research paper thumbnail of Comparative study of the energy potential of cyanide waters using two osmotic membrane modules under dead-end flow

The energy potential of the osmotic pressure gradient of cyanide waters is evaluated using two me... more The energy potential of the osmotic pressure gradient of cyanide waters is evaluated using two membrane modules, horizontal and vertical, operated under dead-end flow. The membrane was characterized using Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS). The membrane is mainly composed of carbon, oxygen, and sulphur. The properties of the membrane were unchanged and had no pore clogging after exposure to the cyanide waters. Potentials of 1.78×10 -4 and 6.36×10 -5 Wm -2 were found for the horizontal and vertical modules, respectively, using the Van't Hoff equation. Likewise, the permeability coefficient of the membrane was higher in the vertical module. Although the energy potential is low under the studied conditions the vertical configuration has a greater potential due to the action of gravity and the homogenous contact of the fluid with the membrane.

Research paper thumbnail of Evaluación de la corrosión de acero de refuerzo frente al ambiente salino y ensayo preliminar de un ecoinhibidor para retardar el proceso corrosivo

Resumen-El presente trabajo tuvo como objetivo estudiar la corrosión en el ambiente salino de la ... more Resumen-El presente trabajo tuvo como objetivo estudiar la corrosión en el ambiente salino de la Ciudad de Cartagena de Indias y probar la capacidad inhibidora de del exudado gomoso de C. Odorata L en acero de refuerzo. Los procedimientos aplicados fueron un ensayo de intemperismo (ASTM G1-90); ensayo de media celda electroquímica Cu/CuSO4 (ASTM C 876 -91), prueba de salinidad atmosférica, prueba con esclerómetro y caracterización térmica con DSC para el exudado vegetal.

Drafts by yineth paola garcia diaz

Research paper thumbnail of Land cover change dynamics in the Southeast of Spain. The abandonment of agricultural areas

Land cover change (LCC) is a complex process continuously affected by severe alterations that can... more Land cover change (LCC) is a complex process continuously affected by severe alterations that can produce numerous consequences for terrestrial and aquatic environments. Climate and several human activities are capable of increasing the LCC and, for that reason, the understanding of recent LCC is fundamental for decision makers to identify appropriate land use policies, which might derive in better urban management programmes. Land cover patterns in the southeast of Spain (Almería, Murcia and Alicante provinces) were determined from CORINE Land Cover (CLC) database and a geographic information system (GIS), comparing digital land cover maps of 1990, 2000, 2006 and 2012. In addition, the most significant LCC were checked using contemporaneous aerial images. Results showed that the agricultural and forestry land covers are the most important in the study area. In 1990, they covered 97.4% of the studied territory, followed by the artificial surfaces (2%). From 2000 to 2006 land cover change was lower than 2%. Nevertheless, the dynamic LCC increased considerably from 2006 to 2012 (about 13.6%). During this period, agricultural areas decreased in 790 km 2 and forest areas and artificial surfaces increased in 559 km 2 and 255 km 2 respectively. 44 different classes compose level 3 of land cover classes in CLC. Their analysis evidences an important increase of discontinuous urban, industrial and commercial zones, pastures, and coniferous forest from 1990 to 2012. In contrast, crops and forest areas with low vegetation were mostly reduced , which reflects the agronomic regime (set-aside) introduced by European Union in 1988 with the aim of reducing and controlling the price of agricultural products. However, the LCC dynamics is not continuous between 1990 and 2012. The abandonment of agricultural areas, observed from 2000 is accentuated in the last decade. The most significant changes were observed between 2006 and 2012. Within this period, results confirm the conversion of crops in pasture, urban and industrial areas. Unlike the important urban growth, urban land cover only accounts for less than 6% out of the total surface. From conclusions, it's worthy to be highlighted that land cover changes are directly influenced by economic and political guidelines and does not follow a natural continuous trend along the studied period.

Research paper thumbnail of Characterization of pull-out behavior in the fiber–mortar interface with superficial treatments

Construction and Building Materials

Research paper thumbnail of Land cover change dynamics in the Southeast of Spain. The abandonment of agricultural areas

EGU General Assembly Conference Abstracts, Apr 1, 2018

Land cover change (LCC) is a complex process continuously affected by severe alterations that can... more Land cover change (LCC) is a complex process continuously affected by severe alterations that can produce numerous consequences for terrestrial and aquatic environments. Climate and several human activities are capable of increasing the LCC and, for that reason, the understanding of recent LCC is fundamental for decision makers to identify appropriate land use policies, which might derive in better urban management programmes. Land cover patterns in the southeast of Spain (Almería, Murcia and Alicante provinces) were determined from CORINE Land Cover (CLC) database and a geographic information system (GIS), comparing digital land cover maps of 1990, 2000, 2006 and 2012. In addition, the most significant LCC were checked using contemporaneous aerial images. Results showed that the agricultural and forestry land covers are the most important in the study area. In 1990, they covered 97.4% of the studied territory, followed by the artificial surfaces (2%). From 2000 to 2006 land cover change was lower than 2%. Nevertheless, the dynamic LCC increased considerably from 2006 to 2012 (about 13.6%). During this period, agricultural areas decreased in 790 km 2 and forest areas and artificial surfaces increased in 559 km 2 and 255 km 2 respectively. 44 different classes compose level 3 of land cover classes in CLC. Their analysis evidences an important increase of discontinuous urban, industrial and commercial zones, pastures, and coniferous forest from 1990 to 2012. In contrast, crops and forest areas with low vegetation were mostly reduced , which reflects the agronomic regime (set-aside) introduced by European Union in 1988 with the aim of reducing and controlling the price of agricultural products. However, the LCC dynamics is not continuous between 1990 and 2012. The abandonment of agricultural areas, observed from 2000 is accentuated in the last decade. The most significant changes were observed between 2006 and 2012. Within this period, results confirm the conversion of crops in pasture, urban and industrial areas. Unlike the important urban growth, urban land cover only accounts for less than 6% out of the total surface. From conclusions, it's worthy to be highlighted that land cover changes are directly influenced by economic and political guidelines and does not follow a natural continuous trend along the studied period.

Research paper thumbnail of Comparative study of the energy potential of cyanide waters using two osmotic membrane modules under dead-end flow

Journal of Physics: Conference Series, Dec 1, 2017

Research paper thumbnail of Comparative study of the energy potential of cyanide waters using two osmotic membrane modules under dead-end flow

The energy potential of the osmotic pressure gradient of cyanide waters is evaluated using two me... more The energy potential of the osmotic pressure gradient of cyanide waters is evaluated using two membrane modules, horizontal and vertical, operated under dead-end flow. The membrane was characterized using Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS). The membrane is mainly composed of carbon, oxygen, and sulphur. The properties of the membrane were unchanged and had no pore clogging after exposure to the cyanide waters. Potentials of 1.78×10 -4 and 6.36×10 -5 Wm -2 were found for the horizontal and vertical modules, respectively, using the Van't Hoff equation. Likewise, the permeability coefficient of the membrane was higher in the vertical module. Although the energy potential is low under the studied conditions the vertical configuration has a greater potential due to the action of gravity and the homogenous contact of the fluid with the membrane.

Research paper thumbnail of Evaluación de la corrosión de acero de refuerzo frente al ambiente salino y ensayo preliminar de un ecoinhibidor para retardar el proceso corrosivo

Resumen-El presente trabajo tuvo como objetivo estudiar la corrosión en el ambiente salino de la ... more Resumen-El presente trabajo tuvo como objetivo estudiar la corrosión en el ambiente salino de la Ciudad de Cartagena de Indias y probar la capacidad inhibidora de del exudado gomoso de C. Odorata L en acero de refuerzo. Los procedimientos aplicados fueron un ensayo de intemperismo (ASTM G1-90); ensayo de media celda electroquímica Cu/CuSO4 (ASTM C 876 -91), prueba de salinidad atmosférica, prueba con esclerómetro y caracterización térmica con DSC para el exudado vegetal.

Research paper thumbnail of Land cover change dynamics in the Southeast of Spain. The abandonment of agricultural areas

Land cover change (LCC) is a complex process continuously affected by severe alterations that can... more Land cover change (LCC) is a complex process continuously affected by severe alterations that can produce numerous consequences for terrestrial and aquatic environments. Climate and several human activities are capable of increasing the LCC and, for that reason, the understanding of recent LCC is fundamental for decision makers to identify appropriate land use policies, which might derive in better urban management programmes. Land cover patterns in the southeast of Spain (Almería, Murcia and Alicante provinces) were determined from CORINE Land Cover (CLC) database and a geographic information system (GIS), comparing digital land cover maps of 1990, 2000, 2006 and 2012. In addition, the most significant LCC were checked using contemporaneous aerial images. Results showed that the agricultural and forestry land covers are the most important in the study area. In 1990, they covered 97.4% of the studied territory, followed by the artificial surfaces (2%). From 2000 to 2006 land cover change was lower than 2%. Nevertheless, the dynamic LCC increased considerably from 2006 to 2012 (about 13.6%). During this period, agricultural areas decreased in 790 km 2 and forest areas and artificial surfaces increased in 559 km 2 and 255 km 2 respectively. 44 different classes compose level 3 of land cover classes in CLC. Their analysis evidences an important increase of discontinuous urban, industrial and commercial zones, pastures, and coniferous forest from 1990 to 2012. In contrast, crops and forest areas with low vegetation were mostly reduced , which reflects the agronomic regime (set-aside) introduced by European Union in 1988 with the aim of reducing and controlling the price of agricultural products. However, the LCC dynamics is not continuous between 1990 and 2012. The abandonment of agricultural areas, observed from 2000 is accentuated in the last decade. The most significant changes were observed between 2006 and 2012. Within this period, results confirm the conversion of crops in pasture, urban and industrial areas. Unlike the important urban growth, urban land cover only accounts for less than 6% out of the total surface. From conclusions, it's worthy to be highlighted that land cover changes are directly influenced by economic and political guidelines and does not follow a natural continuous trend along the studied period.