999 resultados para Geology--Argentina--Maps


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The aim is to discuss the main legal criteria developed in Argentina in regard to cultural and architectural heritage protection through the analysis of five court decisions and their main protection techniques. The goal is to raise awareness about the critical role of civil society in the protection and promotion of heritage and cultural values. The attempt is to highlight the importance of judge’s active role as a major figure in the field.

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This article examines the conceptual framework and the institutional context of the Geographical Indications and Social Management in Spain on the European Union space. Then, providing a comparative study, Argentina’s and Brazil’s cases are analyzed. The emphasis is on identity and territorial development, where family farming has a central role. Thereafter, public policy drawings and implementation are projected in order to strength concrete agenda and measures elaboration based on Spanish and European experiences’. In both the Argentinean and Brazilian cases, the conclusions point to the need of an adjustment on public policies to better situate and implement actions and objectives. In Brazil the disclosure, financing and strengthening of the Geographical Indications should be bounded to the Programa Territórios da Cidadania, linked to the Ministério do Desenvolvimento Agrário, which is the place of the family farming strengthening policies. In Argentina, with the same logic, the actions should be situated on the Programa Nacional de Apoyo al Desarrollo de los Territórios.

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Identifica el proyecto de cooperación técnica para el sector cárnico que las autoridades del Ecuador impulsan desde el año 2009. Realiza un análisis teórico histórico del proyecto para evaluar la realidad de los establecimientos frigoríficos en el Ecuador y proponer alternativas de solución, independientemente del interés económico que supone la interacción de lo privado en un esquema de cooperación internacional.

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Relations between the European Union and Argentina are under severe strain. For years, the Argentinean government has been involved in a diplomatic dispute with the United Kingdom over the status of the Falkland Islands (Las Islas Malvinas to the Argentines). It recently decided to take advantage of Spain’s current economic weakness to attack a major Spanish investment in the country. On April 16th, the Argentinean government expropriated 51% of Repsol’s shares in YPF, a former state-owned oil company, which had been privatised in the early 1990s. This action provoked a public outcry in Madrid and beyond, especially in the European Commission. In this Commentary, we explore its longer-term impact on relations between the EU and Argentina.

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Flood extent maps derived from SAR images are a useful source of data for validating hydraulic models of river flood flow. The accuracy of such maps is reduced by a number of factors, including changes in returns from the water surface caused by different meteorological conditions and the presence of emergent vegetation. The paper describes how improved accuracy can be achieved by modifying an existing flood extent delineation algorithm to use airborne laser altimetry (LiDAR) as well as SAR data. The LiDAR data provide an additional constraint that waterline (land-water boundary) heights should vary smoothly along the flooded reach. The method was tested on a SAR image of a flood for which contemporaneous aerial photography existed, together with LiDAR data of the un-flooded reach. Waterline heights of the SAR flood extent conditioned on both SAR and LiDAR data matched the corresponding heights from the aerial photo waterline significantly more closely than those from the SAR flood extent conditioned only on SAR data.

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A traditional method of validating the performance of a flood model when remotely sensed data of the flood extent are available is to compare the predicted flood extent to that observed. The performance measure employed often uses areal pattern-matching to assess the degree to which the two extents overlap. Recently, remote sensing of flood extents using synthetic aperture radar (SAR) and airborne scanning laser altimetry (LIDAR) has made more straightforward the synoptic measurement of water surface elevations along flood waterlines, and this has emphasised the possibility of using alternative performance measures based on height. This paper considers the advantages that can accrue from using a performance measure based on waterline elevations rather than one based on areal patterns of wet and dry pixels. The two measures were compared for their ability to estimate flood inundation uncertainty maps from a set of model runs carried out to span the acceptable model parameter range in a GLUE-based analysis. A 1 in 5-year flood on the Thames in 1992 was used as a test event. As is typical for UK floods, only a single SAR image of observed flood extent was available for model calibration and validation. A simple implementation of a two-dimensional flood model (LISFLOOD-FP) was used to generate model flood extents for comparison with that observed. The performance measure based on height differences of corresponding points along the observed and modelled waterlines was found to be significantly more sensitive to the channel friction parameter than the measure based on areal patterns of flood extent. The former was able to restrict the parameter range of acceptable model runs and hence reduce the number of runs necessary to generate an inundation uncertainty map. A result of this was that there was less uncertainty in the final flood risk map. The uncertainty analysis included the effects of uncertainties in the observed flood extent as well as in model parameters. The height-based measure was found to be more sensitive when increased heighting accuracy was achieved by requiring that observed waterline heights varied slowly along the reach. The technique allows for the decomposition of the reach into sections, with different effective channel friction parameters used in different sections, which in this case resulted in lower r.m.s. height differences between observed and modelled waterlines than those achieved by runs using a single friction parameter for the whole reach. However, a validation of the modelled inundation uncertainty using the calibration event showed a significant difference between the uncertainty map and the observed flood extent. While this was true for both measures, the difference was especially significant for the height-based one. This is likely to be due to the conceptually simple flood inundation model and the coarse application resolution employed in this case. The increased sensitivity of the height-based measure may lead to an increased onus being placed on the model developer in the production of a valid model