Improving our understanding of groundwater and river interactions in the lower Mekong Delta (Vietnam) through the use of isotopes

The objective of this project are to verify the model of the exchanges between river water and groundwater in the delta of the Mekong River by using stable isotopes  and radon-222. To achieve this goal, the local precipitation, river's water and the groundwater in the study area will be collected at both seasonal-scale and test pumping-scale frequencies.

 

mekong 2Photo : © S. Tweed, IRD

 

 

This data will be used in the IAEA Water Balance Model (IWBMIso) to constrain the river and groundwater interactions. In parallel our numerical groundwater flow model developed for the system will be improved by using the results of this isotopes study. The overall results will contribute to assessing the sustainability of water use in the delta, for both surface water and groundwater resources.

 

 

mekong 2Photo : © S. Tweed, IRD

 

Ces données seront utilisées dans le modèle de bilan hydrique de l'AIEA (IWBMIso) pour contraindre les interactions entre les rivières et les eaux souterraines. En parallèle, notre modèle numérique d'écoulement des eaux souterraines développé pour le système sera amélioré en utilisant les résultats de cette étude isotopique. Les résultats globaux contribueront à évaluer la durabilité de l'utilisation de l'eau dans le delta, tant pour les ressources en eau de surface que pour les eaux souterraines.

Additional Info

  • Contact(s):

    Project manager:  Dr Bach Thao Nguyen
    Phone : (+84-24) 3838 7809
    E-mail : This email address is being protected from spambots. You need JavaScript enabled to view it.
    Lien web : ________

  • Briefly:
    UMR Team (s) concerned: Socio-Hydro
    Theme / Domain: Hydrogeology - Hydrology - Hydrochemistry - Modeling
    Financial sponsor of study: IAEA
    Partner Organizations: Hanoi University of Mining and Geology - UMRs G-EAU, EMMAH
    Project type: Research
    Country, Region of study: Mekong Delta, Vietnam
    Starting date of the project: 2018
    End date of the project: 2021
  • Productions:

    Productions related to the project:
    - Articles:
    - Theses:
    - Software:

  • Team(s) of Joint Research Unit concerned:

    Socio-Hydro

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