Variations of hydrometeorological conditions in the basin of Kurile Lake (Kamchatka) in summer period for 1976–2020 and connection with global climatic changes-Reference-Cited by-同舟云学术

Variations of hydrometeorological conditions in the basin of Kurile Lake (Kamchatka) in summer period for 1976–2020 and connection with global climatic changes

Published:2022-06-21 Issue:63 Volume: Page:9-29
ISSN:2782-6236
Container-title:The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean
language:
Short-container-title:Issledovaniâ vodnyh biologičeskih resursov Kamčatki i Severo-Zapadnoj časti Tihogo okeana

Author:

Kolomeytsev V. V.¹,Lepskaya E. V.¹

Affiliation:

1. Kamchatka Branch of Russian Research Institute of Fisheries and Oceanography (“KamchatNIRO”)

Abstract

Description of summer hydrometeorological conditions is provided for the period from 1976 to 2020. Statistical evaluations of the time series of the entire hydrometeorological dataset collected at the KamchatNIRO observation station ashore of the Ozernaya River emerge from Kurile Lake have been obtained. Analysis of linear trends has been accomplished. Revealed rise of the air temperature at the Ozernaya meteostation and Kurile Lake and of the water temperature in the Ozernaya River is reckoned higher compared global trends. The correlations found between temperature characteristics were significant. The correlation coefficients between the air temperature at the Ozernaya meteostation and Kurile Lake either water temperature in the Ozernaya River demonstrate increase averaged for season and from 0.3 in June to 0.6–0.8 in August. The rest of the parameters correlated weaker, and there were few significant ones. Stable significant correlations were revealed between temperature characteristics and global temperature indices. Also linear correlations between the WP index, characterizing low-frequency variability in the atmosphere in the West Pacific, and a number of parameters averaged for the season or in different months were meaningful. Spectral analysis with confidence interval of 95% revealed only the spectral harmonics of interannual fluctuations in the amount of precipitation for the season with a period of 2.2 years as significant.

Publisher

Kamchatka Research Institute of Fisheries and Oceanography

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