Sequential Gaussian Simulation of uranium spatial distribution : a transboundary watershed case study

Albuquerque, M.T.D.; Antunes, I.M.H.R.; Seco, Maria de Fátima Magro; Roque, Natália; Sanz-Lobón, Germán

http://hdl.handle.net/10400.11/3071

Use this identifier to reference this record.

Name:	Description:	Size:	Format:
Albuquerque et al_Procedia Earth and Planetary Sciences.pdf		774.71 KB	Adobe PDF	Download

Send Feedback

Authors

Albuquerque, M.T.D.

Antunes, I.M.H.R.

Seco, Maria de Fátima Magro

Roque, Natália

Sanz-Lobón, Germán

Abstract(s)

The main purpose of this work is the uranium spatial distribution patterns in groundwater, within the Águeda river transboundary watershed (Portugal-Spain). Mineral resources occur distributed throughout the watershed, mainly sulphide and uranium minerals. Sixty-five groundwater samples were analyzed. Geostatistical modeling was used, throughout conventional variography and Sequential Gaussian Simulation algorithm, to model the groundwater uranium spatial distribution. A hundred simulations, differing in their initial random-number seed, were performed. Spatial uncertainty evaluation allowed the definition of future monitoring and sampling strategies as well as the measurement of remediation possibilities. Uranium hot spots are strongly embedded in the central area (Ciudad Rodrigo).

Description

Este artigo deriva de uma comunicação apresentada em International workshop “Uranium, Environment and Public Health”, UrEnv 2013.

Keywords

Groundwater Uranium Gaussian simulation Spatial distribution Águeda watershed

URI

http://hdl.handle.net/10400.11/3071

Citation

ALBUQUERQUE, M.T.D. [et al.] (2014) - Sequential Gaussian Simulation of uranium spatial distribution : a transboundary watershed case study. Procedia Earth and Planetary Science. 8, p. 2-6.