Hydrological and geochemical data from thermokarst ponds in Tasiapik Valley, Nunavik, Québec, Canada

This dataset contains hydrological, geochemical, and meteorological data collected from thermokarst ponds in the Tasiapik Valley, Nunavik, Québec, Canada. It includes measurements of pond water chemistry, groundwater levels, meteorological conditions, and pond morphology. Data were collected using water sampling, water pressure loggers, a weather station, a differential GPS, and hydrogeological slug tests. Most data were obtained in July 2023, with some geochemical data from July 2022.