Faculty of Science and Arts;
Jordan University of Science and Technology;
Irbid 22110;
Jordan;
Laboratory of Applied Geoinformatics;
Department of Earth and Environmental Sciences;
Yarmouk University;
Irbid 21163;
Jordan;
Department of Water Resources and Environmental Management;
Al-Balqa Applied University;
Al-Salt 19117;
Jordan;
δ^(15)N-NO_(3)–; δ^(18)O-NO_(3)–; nitrate sources; pollution; meteoric origin; aquifer; Jordan;