1929年至今(2017)北极高纬度群岛弗朗茨约瑟夫地地表气温长期变化评估

IF 0.5 Q4 ECOLOGY Czech Polar Reports Pub Date : 2021-01-01 DOI:10.5817/cpr2021-1-9
Boris Ivanov, Tatiana Karandasheva, V. Demin, Anastasiia Revina, P. Sviashchennikov, K. Isaksen, Eirik J. Frland, Yvind Nordli, H. M. Gjelten
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引用次数: 1

摘要

本文介绍了弗朗茨约瑟夫地(FJL)上Bukhta Tikhaya (Hooker岛,1929-1960)和Krenkel天文台(Hayes岛,1957-2017)气象站的标准气象观测数据(日/月平均地面气温- SAT)的电子档案。对两个气象站1958年和1959年的SAT平行资料序列进行了分析。本文还介绍了用于克伦克尔天文台1929-1957年观测资料外推的线性回归方程。在对获得的序列(1929-2017)进行分析的基础上,评估了SAT对FJL的长期变化。研究得出的主要结论是:(1)在仪器观测的整个时期(1929-2017),FJL群岛的总变暖为1.6 ~ 1.8°C(0.2°C/ 10年);(2)升温速率最高的是3 - 4月,为0.6°C/ a;(3)自20世纪90年代以来观测到特别强烈的变暖。1990-2017年的年气温上升了6.3℃(2.2℃/十年),2000-2017年的年气温上升了5.2℃(2.9℃/十年);(4) 1990—2017年10—2月升温速率最大,为4.4°C/ a;(5) 2000-2017年,1 - 4月和11 - 12月的升温速率最大,为5.6°C/ a;(6)一年中的主要季节是冬季(11 - 4月)、春季(5月)、夏季(6 - 9月)和秋季(10月);(7)整个观测期内气温上升幅度最大的是冬季。在现代增暖时期(1990-2017年),冬季和秋季的增温幅度最大。
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Assessment of long-term changes in the surface air temperature from the High Arctic archipelago Franz Joseph Land from 1929 to the present (2017)
Electronic archives of data from standard meteorological observations (mean daily/monthly surface air temperatures - SAT) at the meteorological stations at Bukhta Tikhaya (Hooker Island, 1929-1960) and Krenkel Observatory (Hayes Island, 1957-2017) on Franz Josef Land (FJL) are presented. Parallel data series of SAT made in 1958 and 1959 on both meteorological stations were analyzed. Linear regression equations used for extrapolation of observational data representative for Krenkel Observatory for the period 1929-1957 are also presented. The assessment of long-term changes in SAT on FJL was carried out based on the analysis of the obtained series (1929-2017). The main conclusions that follow from our study are: (1) The total warming in the FJL archipelago was 1.6-1.8°C (0.2°C/decade) for the entire available period of instrumental observations (1929-2017); (2) The highest rates of warming were recorded in March-April and amounted to 0.6°C/decade; (3) A particular strong warming has been observed since the 1990s. The annual temperature increased by 6.3°C (2.2°C/decade) for the period 1990-2017 and 5.2°C (2.9°C/decade) for the period 2000-2017; (4) For the period 1990-2017 the maximum rate of warming occurred between October to February with 4.4°C/decade; (5) For the period 2000-2017 the maximum rate of warming occurred between January to April and from November to December with 5.6°C/decade; (6) The dominant seasons of the year are winter (November-April), spring (May), summer (June-September) and autumn (October); (7) Over the entire observation period the largest temperature increase was observed in the winter season. During the period of modern warming (1990-2017), the largest temperature increase was observed in winter and autumn.
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来源期刊
Czech Polar Reports
Czech Polar Reports Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.30
自引率
10.00%
发文量
22
期刊介绍: Czech Polar Reports is an international, multidisciplinary, peer-reviewed journal. It is issued 2 times a year. The journal is dedicated to provide original research papers for sciences related to the polar regions and other planets with polar analogues. Czech Polar Reports covers the disciplines listed below. polar paleontology, geology, geochemistry, geomorphology, glaciology, climatology, hydrology, pedology, biochemistry, ecology, environmental science, microbiology, plant and animal biology including marine biology.
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