Institute of Geosciences;
Federal University of Pará (UFPA);
Belém;
Brazil;
Institute of Geosciences;
University of Sao Paulo;
Sao Paulo;
Brazil;
Institute of Environment and Spatial Planning of the State of Amapá (IMAP);
Macapá;
Brazil;
Leopoldo Américo Miguez de Mello Center for Research and Development (CENPES);
Rio de Janeiro;
Brazil;
Stable; Isotopes; Hydrogeology; Water; Management; Surface; Water; Groundwater;