Long-term changes of temperature and humidity regime on Kamchatka Peninsula

Changes of temperature and humidity regime in Kamchatka are estimated on the seasonally and annually averaged data of long-term (1951-2009) monitoring on air temperature and precipitation at 10 meteorological stations (2-months natural synoptic seasons are used for averaging, as pre-winter, early wi...

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Main Authors: Olga A. Shkaberda, Lubov N. Vasilevskaya
Format: Article
Language:Russian
Published: Transactions of the Pacific Research Institute of Fisheries and Oceanography 2014-09-01
Series:Известия ТИНРО
Subjects:
Online Access:https://izvestiya.tinro-center.ru/jour/article/view/213
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author Olga A. Shkaberda
Lubov N. Vasilevskaya
author_facet Olga A. Shkaberda
Lubov N. Vasilevskaya
author_sort Olga A. Shkaberda
collection DOAJ
description Changes of temperature and humidity regime in Kamchatka are estimated on the seasonally and annually averaged data of long-term (1951-2009) monitoring on air temperature and precipitation at 10 meteorological stations (2-months natural synoptic seasons are used for averaging, as pre-winter, early winter, late winter, spring, summer, and autumn). Epochs with extremely dry and humid seasons are detected for certain climatic sub-regions of Kamchatka taking into account both temperature and precipitation anomalies (Pedya index - S). Besides, long-term changes of the sea surface temperature in the coastal areas of the Okhotsk and Bering Seas are determined that reflect thermal interaction between the atmosphere and ocean. The warming trend is revealed for the whole investigated region that is the most expressed in the pre-winter and late winter seasons and the less pronounced in the south and north of the Peninsula (slight cooling is observed in its northern and northeastern areas in early winter). The sea surface has a tendency to warm, too, but slower than the air; the greatest warming trend is observed in the coastal Okhotsk Sea in spring and autumn and in the coastal Bering Sea in autumn. Annual precipitation has opposite changes in different parts of the Peninsula: its volume tends to decrease in the north and the south, on the western and northeastern coasts, and in the Kamchatka River valley but tends to increase in the central mountainous area and on the eastern coast.
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spelling doaj.art-0e5a6b87555f46a18a9ba15996b26fc52025-03-02T09:31:36ZrusTransactions of the Pacific Research Institute of Fisheries and OceanographyИзвестия ТИНРО1606-99192658-55102014-09-01178321723310.26428/1606-9919-2014-178-217-233213Long-term changes of temperature and humidity regime on Kamchatka PeninsulaOlga A. Shkaberda0Lubov N. Vasilevskaya1Дальневосточный федеральный университетДальневосточный федеральный университетChanges of temperature and humidity regime in Kamchatka are estimated on the seasonally and annually averaged data of long-term (1951-2009) monitoring on air temperature and precipitation at 10 meteorological stations (2-months natural synoptic seasons are used for averaging, as pre-winter, early winter, late winter, spring, summer, and autumn). Epochs with extremely dry and humid seasons are detected for certain climatic sub-regions of Kamchatka taking into account both temperature and precipitation anomalies (Pedya index - S). Besides, long-term changes of the sea surface temperature in the coastal areas of the Okhotsk and Bering Seas are determined that reflect thermal interaction between the atmosphere and ocean. The warming trend is revealed for the whole investigated region that is the most expressed in the pre-winter and late winter seasons and the less pronounced in the south and north of the Peninsula (slight cooling is observed in its northern and northeastern areas in early winter). The sea surface has a tendency to warm, too, but slower than the air; the greatest warming trend is observed in the coastal Okhotsk Sea in spring and autumn and in the coastal Bering Sea in autumn. Annual precipitation has opposite changes in different parts of the Peninsula: its volume tends to decrease in the north and the south, on the western and northeastern coasts, and in the Kamchatka River valley but tends to increase in the central mountainous area and on the eastern coast.https://izvestiya.tinro-center.ru/jour/article/view/213natural synoptic seasoncirculation epochair temperaturewater temperatureprecipitationkamchatkapedya index
spellingShingle Olga A. Shkaberda
Lubov N. Vasilevskaya
Long-term changes of temperature and humidity regime on Kamchatka Peninsula
Известия ТИНРО
natural synoptic season
circulation epoch
air temperature
water temperature
precipitation
kamchatka
pedya index
title Long-term changes of temperature and humidity regime on Kamchatka Peninsula
title_full Long-term changes of temperature and humidity regime on Kamchatka Peninsula
title_fullStr Long-term changes of temperature and humidity regime on Kamchatka Peninsula
title_full_unstemmed Long-term changes of temperature and humidity regime on Kamchatka Peninsula
title_short Long-term changes of temperature and humidity regime on Kamchatka Peninsula
title_sort long term changes of temperature and humidity regime on kamchatka peninsula
topic natural synoptic season
circulation epoch
air temperature
water temperature
precipitation
kamchatka
pedya index
url https://izvestiya.tinro-center.ru/jour/article/view/213
work_keys_str_mv AT olgaashkaberda longtermchangesoftemperatureandhumidityregimeonkamchatkapeninsula
AT lubovnvasilevskaya longtermchangesoftemperatureandhumidityregimeonkamchatkapeninsula