Geoprocesamiento web (WPS) para la generación de mapas hidrometeorológicos a partir de las estaciones automáticas de las provincias de Azuay y Chimborazo

Abstract

Hydrometeorological information has become, nowadays, a very important factor for the development of several human activities such as sowing, optimization of water resources, study of natural phenomena, among others. This can be carried out successfully due to the knowledge of the climatic characteristics of a place.

There are geographical spaces where this type of data cann’t be obtained due to the lack of hydrometeorological stations. One of the tools used to generate this information is the interpolation of a set of hydrometeorological data at discrete points. This is done through geostatistical methods implemented in specialized software.

The purpose of the present titration work is to generate precipitation or temperature information of the entire geographic space of the provinces of Azuay and Chimborazo through a raster map. This is done using the geostatistical interpolation algorithm of Ordinary Kriging, applied in the Quantum GIS software and requested through the technology of Web Processing Service (WPS). The database is based on the values collected by the automatic hydrometeorological stations belonging to the Electricity Corporation of Ecuador (CELEC), the University of Cuenca and the Salesian Polytechnic University (UPS).

The result is implemented in a web geoportal, which allows access to historical data reports provided by the aforementioned institutions and the execution of interpolation using Ordinary Kriging. The result of the interpolation executed is presented in the viewer as a raster map in TIFF format (Tagged Image File Format) allowing its download.