Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff: Fid-Bau Portal

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Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff

Dmitrii Bantcev / Valeriia Rasputina / Anaiit Ovsepian / Semyon Griga / Anna Kozachek / Kirill Tchikhatchev / Dmitrii Ganyushkin

We used stable water isotopes (δ¹⁸O and δ²H) to identify the fractions of glacier meltwater and summer precipitation in the runoff in the Taldura River in the Altai mountains. The mean isotopic characteristics of glacier ice, snow, summer precipitation and river water were obtained. Using isotopic separation of hydrographs, we determined that glacier feeding completely prevails throughout the Taldura River in the middle of the ablation season. In general, the fraction of glacier meltwater in the Taldura River’s runoff in the ablation season varies from 80% to 95% depending on local weather conditions.

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Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff

Dmitrii Bantcev / Valeriia Rasputina / Anaiit Ovsepian / Semyon Griga / Anna Kozachek / Kirill Tchikhatchev / Dmitrii Ganyushkin

We used stable water isotopes (δ¹⁸O and δ²H) to identify the fractions of glacier meltwater and summer precipitation in the runoff in the Taldura River in the Altai mountains. The mean isotopic characteristics of glacier ice, snow, summer precipitation and river water were obtained. Using isotopic separation of hydrographs, we determined that glacier feeding completely prevails throughout the Taldura River in the middle of the ablation season. In general, the fraction of glacier meltwater in the Taldura River’s runoff in the ablation season varies from 80% to 95% depending on local weather conditions.

Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff

Dmitrii Bantcev / Valeriia Rasputina / Anaiit Ovsepian / Semyon Griga / Anna Kozachek / Kirill Tchikhatchev / Dmitrii Ganyushkin

We used stable water isotopes (δ¹⁸O and δ²H) to identify the fractions of glacier meltwater and summer precipitation in the runoff in the Taldura River in the Altai mountains. The mean isotopic characteristics of glacier ice, snow, summer precipitation and river water were obtained. Using isotopic separation of hydrographs, we determined that glacier feeding completely prevails throughout the Taldura River in the middle of the ablation season. In general, the fraction of glacier meltwater in the Taldura River’s runoff in the ablation season varies from 80% to 95% depending on local weather conditions.

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Title:

Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff

Contributors:

Dmitrii Bantcev (author) / Valeriia Rasputina (author) / Anaiit Ovsepian (author) / Semyon Griga (author) / Anna Kozachek (author) / Kirill Tchikhatchev (author) / Dmitrii Ganyushkin (author)

Published in:

Water, Vol 16, Iss 9, p 1288 (2024)

Publication date:

2024

ISSN:

DOI:

https://doi.org/10.3390/w16091288

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

stable isotopes , glacier meltwater , glacier rivers , hydrograph separation , Hydraulic engineering , TC1-978 , Water supply for domestic and industrial purposes , TD201-500

Metadata by DOAJ is licensed under CC BY-SA 1.0

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