
The dataset presents methane concentrations measured in the water and ice columns of nine shallow ponds located in two permafrost peatlands (Iškoras and Áidejávri) in northern Norway during the 2023–2024 ice-cover season. The dataset also contains pH and dissolved organic carbon (DOC) for both ice and water samples, pond coordinates, and pond depths. This dataset contains the raw data for the following manuscript: Pismeniuk, A., Dörsch, P., Ippach, M., Willmes, C., Sheffield, S., Pirk, N., and Westermann, S.: Wintertime Production and Storage of Methane in Thermokarst Ponds of Subarctic Norway, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-3059, 2025.
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