Representación digital de cuencas hidrográficas dentro del sistema NewAge-JGrass
DOI:
https://doi.org/10.21701/bolgeomin.125.3.007Palabras clave:
cuenca digital, geotools, longitudes de Hack, ordenamiento de PfafstetterResumen
Este trabajo describe la arquitectura teórica y técnica de un modelo digital de cuenca (MDC) que puede utilizarse para almacenar datos relativos a una cuenca fluvial y ejecutar modelos hidrológicos espacialmente distribuidos que son directamente representables en un Sistema de Información Geográfica (como uDig). La estructura del MDC está basada en la integración de librerías de modelado geoespacial (los Geotools) por medio de las cuales la información geográfica es codificada para ser parte integral del proceso de modelado. Subsecuentemente el trabajo identifica una secuencia de operaciones que tienen que realizarse para obtener el MDC deseado, y describe brevemente los programas necesarios para obtenerlo. Para el ordenamiento topológico de la red, se presenta una generalización del esquema de ordenación de Pfafstetter así como un esquema de particionado basado en las distancia a las divisorias (las longitudes de Hack).
Estos programas son componentes independientes que se pueden ejecutar de varios modos: la interfaz Spatial Toolbox de uDig, el modo amigable de consola Object Modelling System (OMS) o por comandos en línea. La consola OMS completa el trabajo permitiendo la conexión de todas las partes para producir soluciones de modelado bien diseñadas en las que los componentes están conectados y se ejecutan juntos. Las herramientas presentadas se han aplicado a la cuenca fluvial Little Washita (Oklahoma, EEUU) y la cuenca del río Piave (Veneto, Italia).
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