Water Stable Isotopes in the Central Altai Mountainous Rivers as Indicator of Glacier Meltwater Fraction in Runoff-Reference-Cited by-同舟云学术

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

Published:2024-04-30 Issue:9 Volume:16 Page:1288
ISSN:2073-4441
Container-title:Water
language:en
Short-container-title:Water

Author:

Bantcev Dmitrii¹^ORCID,Rasputina Valeriia¹,Ovsepian Anaiit¹,Griga Semyon¹,Kozachek Anna¹²,Tchikhatchev Kirill²,Ganyushkin Dmitrii¹^ORCID

Affiliation:

1. Institute of Earth Sciences, St. Petersburg State University, St. Petersburg 199034, Russia

2. Arctic and Antarctic Research Institute, St. Petersburg 199397, Russia

Abstract

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.

Funder

Russian Science Foundation

Publisher

MDPI AG

Link

https://www.mdpi.com/2073-4441/16/9/1288/pdf

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