Oxygen isotope in plants and source water between 2018 and 2020, along the Santa Clara River, CA

This data package includes two data tables: 1. the oxygen stable isotope values for plant xylem, soil, groundwater, precipitation; and 2. the environmental conditions between 2018-2020, including precipitation, groundwater depth, potential evapotranspiration, and soil moisture. Isotope data were collected monthly at three sites along the Santa Clara River, CA between 2018 and 2020.