Variables: electric_conductivity Keywords: MetFrag monitoring land use Substances: Acetazolamide (BZKPWHYZMXOIDC-UHFFFAOYSA-N) 1-3-Dimethyl-2-imidazolidinon (CYSGHNMQYZDMIA-UHFFFAOYSA-N) 1-Hydroxy-Benzotriazole (ASOKPJOREAFHNY-UHFFFAOYSA-N)