Chloride and sulfate ions in massive ice and its potential water sources (North West Siberia)

• Main Authors: Vasil'chuk, Yurij K, Budantseva, Nadine A, Vasil'chuk, Alla Constantinovna, Podborny, Yevgenij Ye, Chizhova, Julia N
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: Belyy_Island; Borehole number; Calculated; Chloride; Chloride/sulfate ratio; cryopegs; Event label; HAND; Holocene; Holocene sea-level changes; Ion chromatography Stayer (Akvilon); Kara_Sea; Kara Sea; Latitude of event; Location; Longitude of event; massive ice; MULT; Multiple investigations; Naduiyakha_River; northern West Siberia; Ob_Gulf; Ob_Gulf_basin; Ob outflow; Siberia; Russia; permafrost; Permafrost temperature; Reference/source; Sabettayakha_river; Sample ID; Sample type; Sampling by hand; Seyakha_River_3; Stable isotopes; stable isotopes of water; Sulfate; Yamal-Nenets; Yamal Peninsula; northwestern Siberia; Frozen Lake; Gyda; Monolith; Mutnaya; Sabettayakha; Talik; Ice; nenets
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.938420; https://doi.org/10.1594/PANGAEA.938420

Lenses of massive ground ice and cryopegs were found at different levels in Holocene deposits in the northeastern Yamal Peninsula. Massive ice, 7 to 9 m thick, occurs at the depth 12 m under the Seyakha (Mutnaya) River. Multistage massive ground ice (four lenses, 0.4 m thick and 8 m long) exists in Gyda terrace I. Cl⁻/SO4⁻² ratios, spore-pollen spectra, and the presence of algae have implications for the origin of the Sabettayakha massive ice of different types. Columnar brown ice formed by freezing of sand saturated with water of the Ob Gulf, monolith brown ice is a frozen lake talik, while ultra-fresh white ice originates from lake and stream waters. Massive ground ice occurs in pre-Quaternary consolidated deposits, as well as in Holocene and modern sediments.