Salinity Transport in a Finite-Volume Sigma-Layer Three-Dimensional Model

The objective of this study was to develop a 3-D model for The Pontchartrain Estuary that was capable of long-term mass conservative simulation of salinities. This was accomplished in a multi-stage approach involving: a physical model of salinity exchange through a pass; a 3-D FVCOM model of the physical experiment; the development and testing of an FVCOM model for an idealized Pontchartrain Basin; and for the entire estuary. The data from the physical model tests were used to validate the performance of the FVCOM model with density-driven flows. These results showed that hydrostatic FVCOM captured the primary internal wave movement. The idealized basin simulations were used to evaluate several issues related to salinity transport, namely the relative importance of baroclinic forcing, tidal forcing and hydrology. The idealized domain also permitted the testing of sigma-gradients, spatial distribution of friction coefficients, wind stress and various boundary treatments. The results showed that the density-driven exchange of saltwater at the open boundary required a baroclinic boundary condition for salinity as well as a lateral filter at the boundary on each sigma layer. A new radiative baroclinic open boundary condition was developed for FVCOM. When tides and hydrology were included, the FVCOM model was shown to reproduce the seasonal salinity that has been observed for long-term periods. It was also found that the simulation of tides and salinity in FVCOM is very sensitive to the spatial distribution of the friction coefficient; relatively low friction was required in the open water regions and high friction was needed in the passes and waterways to reproduce the tides and salinity distribution. A variable friction coefficient option was coded on FVCOM. The findings from the idealized model were utilized to setup two models for the actual estuary. Both models extend from Lake Maurepas, one to the Chandeleurs Islands and the other to Mobile Bay. The baroclinic open boundary and variable friction were implemented in these models. They were calibrated for tides and salinity. The 2008 Bonnet Carré Spillway Opening was applied to the first model. A tidal pumping effect in Lake Pontchartrain was observed and captured by the model

Salinity Transport in a Finite-Volume Sigma-Layer Three-Dimensional Model

The objective of this study was to develop a 3-D model for The Pontchartrain Estuary that was capable of long-term mass conservative simulation of salinities. This was accomplished in a multi-stage approach involving: a physical model of salinity exchange through a pass; a 3-D FVCOM model of the physical experiment; the development and testing of an FVCOM model for an idealized Pontchartrain Basin; and for the entire estuary. The data from the physical model tests were used to validate the performance of the FVCOM model with density-driven flows. These results showed that hydrostatic FVCOM captured the primary internal wave movement. The idealized basin simulations were used to evaluate several issues related to salinity transport, namely the relative importance of baroclinic forcing, tidal forcing and hydrology. The idealized domain also permitted the testing of sigma-gradients, spatial distribution of friction coefficients, wind stress and various boundary treatments. The results showed that the density-driven exchange of saltwater at the open boundary required a baroclinic boundary condition for salinity as well as a lateral filter at the boundary on each sigma layer. A new radiative baroclinic open boundary condition was developed for FVCOM. When tides and hydrology were included, the FVCOM model was shown to reproduce the seasonal salinity that has been observed for long-term periods. It was also found that the simulation of tides and salinity in FVCOM is very sensitive to the spatial distribution of the friction coefficient; relatively low friction was required in the open water regions and high friction was needed in the passes and waterways to reproduce the tides and salinity distribution. A variable friction coefficient option was coded on FVCOM. The findings from the idealized model were utilized to setup two models for the actual estuary. Both models extend from Lake Maurepas, one to the Chandeleurs Islands and the other to Mobile Bay. The baroclinic open boundary and variable friction were implemented in these models. They were calibrated for tides and salinity. The 2008 Bonnet Carré Spillway Opening was applied to the first model. A tidal pumping effect in Lake Pontchartrain was observed and captured by the model

Educación religiosa en América Latina y el Caribe : reflexiones y voces plurales para caminos pedagógicos interculturales

Compilador: José Mario Méndez Méndez Sección 1. Diversidad de Convicciones: creencias y espiritualidades. Sección 2. Textualidades Sagradas Sección 3. Ciencias de la religión. Sección 4. Expresiones de la diversidad. Sección 5. Religión y Cultura. Sección 6. Aportes pedagógicos. Sección 7. Educación religiosa en América Latina. Sección 8. Educación religiosa y espacios. Sección 9. Aspectos Jurídicos.El presente texto reúne los aportes de muchas personas que-desde diferentes países del continente-desean contribuir a la revisión y transformación intercultural de la educación religiosa en Latinoamérica y el Caribe. Como lo sugiere el título, confluyen aquí reflexiones y voces plurales para caminos pedagógicos interculturales. Cada una de las "voces" que conforman este texto expresa la intención de promover una educación liberadora-intercultural-decolonial, a partir de los desafíos que reconocemos en la realidad latinoamericana-caribeña.This text brings together the contributions of many people who-from different countries of the continent-wish to contribute to the revision and intercultural transformation of religious education in Latin America and the Caribbean. As the title suggests, reflections and plural voices converge here for intercultural pedagogical paths. Each one of the "voices" that make up this text expresses the intention of promoting a liberating-intercultural-decolonial education, based on the challenges that we recognize in the Latin American-Caribbean reality.Universidad Bíblica Latinoamericana, FONAPER, Foro de Educación Religiosa Costarricense, Universidad Regional de Blumenau, UNOCHAOECÓ, Escuela Ecuménica de Ciencias de la ReligiónEscuela Ecuménica de Ciencias de la Religió