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Dive into the research topics where Ana Casado is active.

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Featured researches published by Ana Casado.


International Journal of Geographical Information Science | 2018

Historic reconstruction of reservoir topography using contour line interpolation and structure from motion photogrammetry

Ana Casado; Borbála Hortobágyi; Erwan Roussel

ABSTRACT The geometry of impounded surfaces is a key tool to reservoir storage management and projection. Yet topographic data and bathymetric surveys of average-aged reservoirs may be absent for many regions worldwide. This paper examines the potential of contour line interpolation (TOPO) and Structure from Motion (SfM) photogrammetry to reconstruct the topography of existing reservoirs prior to dam closure. The study centres on the Paso de las Piedras reservoir, Argentina, and assesses the accuracy and reliability of TOPO- and SfM- derived digital elevation models (DEMs) using different grid resolutions. All DEMs were of acceptable quality. However, different interpolation techniques produced different types of error, which increased (or decreased) with increasing (or decreasing) grid resolution as a function of their nature, and relative to the terrain complexity. In terms of DEM reliability to reproduce area–elevation relationships, processing-related disagreements between DEMs were markedly influenced by topography. Even though they produce intrinsic errors, it is concluded that both TOPO and SfM techniques hold great potential to reconstruct the bathymetry of existing reservoirs. For areas exhibiting similar terrain complexity, the implementation of one or another technique will depend ultimately on the need for preserving accurate elevation (TOPO) or topographic detail (SfM).


Ecohydrology | 2013

Influence of dam-induced hydrological regulation on summer water temperature: Sauce Grande River, Argentina

Ana Casado; David M. Hannah; Jean-Luc Peiry; Alicia M. Campo


Geomorphology | 2016

Geomorphic and vegetation changes in a meandering dryland river regulated by a large dam, Sauce Grande River, Argentina

Ana Casado; Jean-Luc Peiry; Alicia M. Campo


Archive | 2007

Consecuencias de la variación de la disponibilidad hídrica en la cuenca del arroyo El Belisario, Buenos Aires, Argentina

Ana Casado; Verónica Gil; Alicia M. Campo


The EGU General Assembly | 2014

The thermal regime of abandoned channels: a preliminary analysis towards a water temperature model for the Allier River, France

Ana Casado; Jean-Luc Peiry


European geosciences union general assembly | 2014

The thermal regime of abandoned channels: a preliminary analysis towards a water temperature model for the Allier River, France.

Ana Casado; Jean-Luc Peiry


Colloque de restitution du CPER Auvergne | 2014

SOHAL : système d'observation d'une annexe hydraulique de l'Allier

Jean-Luc Peiry; Aude Beauger; Hélène Celle-Jeanton; Olivier Voldoire; Ana Casado


33 ème Colloque de l’Association des Diatomistes de Langue Française (ADLaF) | 2014

Couplage température / diatomées / macroinvertebrés comme indicateur des différences physico-chimiques et hydroécologiques dans les bras morts de la rivière Allier (France)

Aude Beauger; Ana Casado; Karen K. Serieyssol; Jean-Luc Peiry


2d International Conference on the Status and Future of the World’s Large Rivers | 2014

Spatial patterns of floodplain sediment texture at the lower Orinoco

Johannes Steiger; Jean-Luc Peiry; Militza Rodriguez; Judith Rosales; Jl López; Alain Laraque; Bartolo Castellanos; Ana Casado


8th International conference (AIG) on Geomorphology | 2013

Geomorphic changes of a dry-temperate meandering river highly disturbed by a large dam, Sauce Grande River, Argentina

Ana Casado; Jean-Luc Peiry; Alicia M. Campo

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Jean-Luc Peiry

Blaise Pascal University

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Alicia M. Campo

Universidad Nacional del Sur

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Aude Beauger

Blaise Pascal University

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Verónica Gil

Universidad Nacional del Sur

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Alain Laraque

Centre national de la recherche scientifique

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Erwan Roussel

Centre national de la recherche scientifique

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Johannes Steiger

Centre national de la recherche scientifique

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