Crater Lake Kipyashchee of Volcan Golovnin Caldera: Geochemistry of Water and Gases, Output of Magmatic Volitatives (Kunashir Island)-Reference-Cited by-同舟云学术

Crater Lake Kipyashchee of Volcan Golovnin Caldera: Geochemistry of Water and Gases, Output of Magmatic Volitatives (Kunashir Island)

Published:2023-01-01 Issue:1 Volume:17 Page:3-20
ISSN:0203-0306
Container-title:Вулканология и сейсмология
language:
Short-container-title:Vulkanologiâ i sejsmologiâ

Author:

Kalacheva E. G.¹,Taran Yu. A.¹,Voloshina E. V.¹,Tarasov K. V.¹,Melnikov D. V.¹,Kotenko T. A.¹,Erdnieva D. M.¹

Affiliation:

1. Institute of Volcanology and Seismology FEB RAS

Abstract

Lake Kipyashchee (Boiling) with an area of ~4.6 ha and a maximum depth of 25 m fills the explosion funnel near one of the extrusive domes of the Golovnin volcano caldera. The water of the lake is ultra-acid (рН = 2.2–2.5) of the chloride-sulfate type with a mineralization of 2.0–2.2 g/l. The water temperature on the surface varies from 30 to 100°C, the average is 37°C. The flow of the lake is carried out through the Protoka in the lake Goryachee (Hot) is 120 l/s (August 2021). The hydrothermal output of magmatic Cl and S (as SO4) from Lake Kipyashchee is 10 t/day and 5.4 t/day, respectively. For the first time, the total diffusive removal of carbon dioxide from the surface of Lake Kipyashchee was estimated as 5.4 tons/day. Obtained from the results of field work in 2020–2021 geochemical data indicate an increase (compared to 2015) in hydrothermal activity in the Golovnin volcano caldera.

Publisher

The Russian Academy of Sciences

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