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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Alexander Kmoch conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work, authored or reviewed drafts of the paper, approved the final draft, editing.

Evelyn Uuemaa analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft, editing.

Hermann Klug analyzed the data, contributed reagents/materials/analysis tools, approved the final draft, editing.

Data Deposition

The following information was supplied regarding data availability:

This is a review article.

Funding

This work was supported by the six year funding (07/2011–06/2017) of the Ministry of Business, Innovation, and Employment (MBIE), New Zealand, for the SMART Aquifer Characterisation Programme (SAC) under contract number C05X1102, the Marie Skłodowska-Curie Actions individual fellowships offered by the Horizon 2020 Programme under REA, grant agreement number 660391, and the Mobilitas Pluss Postdoctoral Researcher Grant (MOBJD) number MOBJD233 of the Estonian Research Council (ETAG). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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