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Changxiang Yan and Jiang Zhu
The mode bias is present and time-dependent due to imperfect configurations. Data assimilation is the process by which observations are used to correct the model forecast, and is affected by the bias. How to reduce the bias is an important issue. This pa...
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Vladimir Byshev, Anatoly Gusev, Victor Neiman and Alexandra Sidorova
A Specific feature of the present-day climate dynamics consists in its multidecadal oscillations with a period of about 20?60 years, and intradecadal disturbances with time scales of 2?8 years. The period of 1940?1999 was distinctive due to the two?phase...
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Sheng Wu, Zhengyu Liu, Jinbo Du and Yonggang Liu
The rise in atmospheric CO2 concentration is regarded as the dominant reason for observed warming since the mid-20th century. Based on the Paris Agreement target, this research designs three conceptual pathways to achieve the warming target of 1.5 °C abo...
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Andrey V. Pnyushkov, Genrikh V. Alekseev and Alexander V. Smirnov
We investigated liquid freshwater content (FWC) in the upper 100 m layer of the Arctic Ocean using oceanographic observations covering the period from 1990 through 2018. Our analysis revealed two opposite tendencies in freshwater balance?the freshening i...
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Genrikh V. Alekseev, Natalia I. Glok, Anastasia E. Vyazilova, Natalia E. Kharlanenkova and Mikhail Yu. Kulakov
Global climate models, focused on projecting anthropogenic warming, have not detected an increase in sea surface temperature (SST) at low latitudes comparable to the observed one. This appears to be one reason for the discrepancy between the model estima...
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Peter C. Chu and Chenwu Fan
This paper identifies world thermocline weakening and provides an improved estimate of upper ocean warming through replacement of the upper layer with the fixed depth range by the isothermal layer, because the upper ocean isothermal layer (as a whole) ex...
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Victoria L. Ford, Nan D. Walker and Iam-Fei Pun
The 2014 Northeast Pacific hurricane season was highly active, with above-average intensity and frequency events, and a rare landfalling Hawaiian hurricane. We show that the anomalous northern extent of sea surface temperatures and anomalous vertical ext...
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Nezamoddin N. Kachouie and Osita E. Onyejekwe
Background: The purpose of this work is to discover underlying trends of climate factors, identify their peaks and inflection points between 1880 and 2017, and study their response to climate change. Five climate factors including Land Temperature, Sea S...
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Gennady Platov, Dina Iakshina and Vladimir Krupchatnikov
The paper investigates the role of atmospheric circulation in the surface layer in forming the Arctic ice structure. For the analysis, the empirical orthogonal function (EOF) method of decomposition of the surface wind field is used, and the reaction of ...
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Jiagen Li, Liang Sun, Yuanjian Yang and Hao Cheng
We introduce a novel method to accurately evaluate the satellite-observed sea surface temperature (SST) cooling induced by typhoons with complex tracks, which is widely used but only roughly calculated in previous studies. This method first records the t...
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