Features of temperature changes at Barrow of Arctic in the last 400 a
A temperature record from a lake core reveals that it becomes warming at average rate of 0.4 °C per century in the past 400 a at Barrow, but it turns cold in the past 200 a. Maximum entropy spectra analysis shows that in the temperature fluctuations there are cycles of 33, 40, 29 a and about 90 a at...
| Main Authors: | , |
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| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Polar Research Institute of China - PRIC
1998
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| Subjects: | |
| Online Access: | http://library.arcticportal.org/2149/ http://library.arcticportal.org/2149/1/A801.004.pdf |
| Summary: | A temperature record from a lake core reveals that it becomes warming at average rate of 0.4 °C per century in the past 400 a at Barrow, but it turns cold in the past 200 a. Maximum entropy spectra analysis shows that in the temperature fluctuations there are cycles of 33, 40, 29 a and about 90 a at Barrow. According to statistics and entropy analysis of monthly mean temperature from Barrow Meteorological Observatory in 1921 - 1994, there are cycles of 4, 6, 14, 16 months and 3, 4, 7, 10 a in the recent temperature change. |
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