Next Article in Journal
Quantitative Examination of Piezoelectric/Seismoelectric Anomalies from Near-Surface Targets
Previous Article in Journal
Comparison of Flood Frequency Analysis Methods for Ungauged Catchments in France
Article Menu
Issue 3 (September) cover image

Export Article

Open AccessArticle
Geosciences 2017, 7(3), 89; doi:10.3390/geosciences7030089

Taking into Account the Role of the Weathering Profile in Determining Hydrodynamic Properties of Hard Rock Aquifers

1
Institut International d’Ingénierie de l’Eau et de l’Environnement, Rue de la science, 01 BP 594 Ouagadougou, Burkina Faso
2
Ecole Nationale Supérieure d’Ingénieurs-Fada/Université Ouaga I Professeur Joseph Ki Zerbo, 94, rue 28-09, 01 BP 6689 Ouagadougou, Burkina Faso
3
University Grenoble Alpes, IRD, CNRS, Grenoble INP, IGE, CS407000, 38058 Grenoble CEDEX 9, France
*
Author to whom correspondence should be addressed.
Academic Editors: Maurizio Barbieri and Jesús Martínez Frías
Received: 20 August 2017 / Revised: 11 September 2017 / Accepted: 11 September 2017 / Published: 18 September 2017
View Full-Text   |   Download PDF [6340 KB, uploaded 19 September 2017]   |  

Abstract

The present study aims at understanding the role of the structure and the geometry of the weathering profile on the hydrodynamic behavior of hard rock aquifers. We first described 2D geophysical cross sections of weathering profiles realized and validated on an experimental site. Next, we implemented five long-term pumping tests in wells drilled at various locations of these cross sections. Finally, we chose the appropriate analytical solutions to determine the hydrodynamic parameters in consistence with the structure and the geometry of the weathering profile. Results reveal that land covers, weathering type and thickness, presence of no flow boundaries, etc. are all factors that explain the flow regime, which appears therefore much less unpredictable. In other words, the 2D geophysical data are enough to locate the best permeable areas, or the areas where the structure of the aquifer without impervious boundaries and with leakage favor a good long-term behavior of the well. The values of aquifer’s transmissivity vary between 5.10−3 and 4.10−5 m2/s. The storage varies between 0.06 and 7.10−7. The variability of these parameters from site to site reflects the high heterogeneity of hard rock aquifers. View Full-Text
Keywords: hard rock aquifers; pumping test; weathering profile; flow regime; analytical solution; derivative drawdown hard rock aquifers; pumping test; weathering profile; flow regime; analytical solution; derivative drawdown
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Koïta, M.; Yonli, H.F.; Soro, D.D.; Dara, A.E.; Vouillamoz, J.-M. Taking into Account the Role of the Weathering Profile in Determining Hydrodynamic Properties of Hard Rock Aquifers. Geosciences 2017, 7, 89.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Geosciences EISSN 2076-3263 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top