Russia West Siberian North

1.

Russia_West Siberian North
Gas-Sale: Artem Khomutov, Elena Babkina, the Earth Cryosphere Institute, Tyumen Scientific Centre SB RAS,
Tyumen, [email protected], +79129246405
Gyda: the Earth Cryosphere Institute, Tyumen Scientific Centre SB RAS, Tyumen, [email protected],
+79129246405
Vaskiny Dachi: the Earth Cryosphere Institute, Tyumen Scientific Centre SB RAS, Tyumen,
[email protected], +79129246405
Marre-Sale: Alexandr Vasiliev, the Earth Cryosphere Institute, Tyumen Scientific Centre SB RAS, Tyumen,
[email protected], +79031166624.

2. Permafrost Temperature

• Number of boreholes: 17
• Countries of borehole locations: Russia
• Longest observing period: 43 years
• Measurements during 2020 and 2021: Yes
• “Trends“ in data from 2016-2021: Trends in permafrost temperature
increase are noted in Central Yamal (Vaskiny Dachi), Pur-Taz interfluve
(Gas-Sale) and Western Yamal (Marre-Sale)
3
Permafrost temperature 1 - Сentral Yamal (10 m); 2 - Pur-Taz interfluve (8 m); 3 - Western Yamal

3. Active Layer Thickness

• Number of ALT sites: 28
• Countries of ALT site locations: Russia
CALM sites:
• Longest observing period: 42 years
• Measurements during 2020 and 2021: Yes
• “Trends“ in data from 2016-2021:
There are no ALT trends in the studied regions.
There are short-period variations only.
1 – R5, R5a, R5b, R5c,
R5d;
2 – 1Peat, TransectTaz;
3 – R54a, R54b;
4 – R3