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Abrupt change of winter temperature over the Mongolian Plateau during 1961-2017

Journal of Mountain Science 2023年第4期20卷 996-1009页

作者： XIA Ying-ying CHUN Xi DAN Dan LIU Hong-yu ZHOU Hai-jun WAN Zhi-qiang Inner Mongolia Restoration Engineering Laboratory of Wetland Eco-environment System Inner Mongolia Normal UniversityHohhot010022China Key Laboratory of Mongolian Plateau’s Climate System Inner Mongolia Normal UniversityHohhot010022China College of Geographical Science Inner Mongolia Normal UniversityHohhot010022China College of Resources and Environment Baotou Teachers’CollegeBaotou014030China

Studying the abrupt change of winter temperature(ACWT)over the Mongolian Plateau(MP,including Inner Mongolia Autonomous Region and State of Mongolia)is of great significance for understanding the spatiotemporal distribution of temperature and the mechanism of global climate *** temperature data during 1961–2017was collected,and the abrupt change point was determined by the Mann–Kendall test and sliding ttest,to analyze the characteristics and causes of *** results showed that(a)The winter temperature has rapidly increased with a trend of 0.41℃/10a,which was significantly higher than that of the rest area of Chinese mainland,indicating that climate change in the MP was more sensitive to global warming.(b)The abrupt change point occurred in 1988,with temperature of-15.5℃and-14.1℃before and after abrupt change,*** ACWT in 50°N was 1–3 years later than that in 40°N,and the isotherms of different temperatures moved northward by 10–200 km,especially-16℃isotherms moved approximately 200 km northward after 1988.(c)The Arctic Oscillation(AO)and Mongolian High(MH)anomaly affects winter temperature over the *** the AO is unusually strong,the MH and East Asian winter monsoon are weak,and southerly winds prevail in most regions,which is not conducive to the cold air developing southward,leading to higher winter temperature in the ***,abnormally northerly winds prevail and temperature is ***,the abrupt change time of AO occurred in 1987 before winter *** shows that the AO indirectly causes winter temperatures to rise by influencing the MH and is also the main driving factor of ACWT.

关键词： Abrupt temperature change Spatiotemporal distribution Arctic Oscillation winter temperature Mongolian Plateau

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The combined effects of North Atlantic Oscillation and Western Pacific teleconnection on winter temperature in Eastern Asia during 1980−2021

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Acta Oceanologica Sinica 2023年第10期42卷 1-9页

作者： Ziqun Zhang Hongyan Cui Baoxu Chen Hong Cai Pin Li College of Mathematics and Physics Qingdao University of Science and TechnologyQingdao 266061China The First Institute of Oceanography Ministry of Natural ResourcesQingdao 266061China Research Institute for Mathematics and Interdisciplinary Sciences Qingdao University of Science and TechnologyQingdao 266061China

As important atmospheric circulation patterns in Northern Hemisphere(NH),the North Atlantic Oscillation(NAO)and the Western Pacific teleconnection(WP)affect the winter climate in *** order to explore the combined effects of NAO and WP on East Asian(EA)temperature,the NAO and WP indices are divided into four phases from 1980−2021:the positive NAO and WP phase(NAO+/WP+),the negative NAO and WP phase(NAO−/WP−),the positive NAO and negative WP phase(NAO+/WP−),the negative NAO and positive WP phase(NAO−/WP+).In the phase of NAO+/WP+,the low geopotential height(GH)stays in north of EA at 50°−80°N;the surface air temperature anomaly(SATA)is 0.8−1℃lower than Southern *** the phase of NAO−/WP−,the center of high temperature and GH locate in the northeast of EA;the cold air spreads to Southern Asia,causing the SATA decreases 1−1.5℃.In the phase of NAO+/WP−,the high GH belt is formed at 55°−80°***,the center of high SATA locates in the north of Asia that increases 0.8−1.1℃.The cold airflow causes temperature dropping 0.5−1℃in the south of *** SATA improves 0.5−1.5℃in south of EA in the phase of NAO−/WP+.The belt of high GH is formed at 25°−50°N,and blocks the cold air which from *** NAO and WP generate two warped plate pressure structures in NH,and affect the temperature by different pressure *** and WP form different GH,and GH acts to block and push airflow by affecting the air pressure,then causes the temperature to be different from the north and south of ***,the multiple linear regression result shows that NAO and WP are weakened by each other such as the phase of NAO+/WP+and NAO−/WP−.

关键词： North Atlantic Oscillation(NAO) Western Pacific teleconnection(WP) winter temperature combined effect Eastern Asia

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A New Circulation Index to Describe Variations in winter temperature in Southwest China

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Journal of Meteorological Research 2015年第2期29卷 228-236页

作者：申乐琳陈隆勋金啟华朱艳峰 National Climate Center Laboratory for Climate Studies Chinese Academy of Meteorological Sciences National Meteorological Information Center

A new circulation index（ISW） that can realistically describe winter temperature variations over Southwest China is defined based on analysis of the NCEP/NCAR reanalysis data（version 1） and the observations at585 stations in China. The study period is from January 1961 to February 2011. The relationship between ISW and general circulation patterns in East Asia is also analyzed. Results show that ISW successfully captures the variations in winter temperature over Southwest China. High ISW values correspond to the intensified Mongolian high, the weakened Aleutian low, increases in the strength of the Middle East westerly jet stream over the south of the Tibetan Plateau（TP）, and decreases in the strength of the subtropical westerly jet over the north of the TP. Meanwhile, the East Asian trough deepens and extends southwestward,making it easier for the cold air mass from the north to intrude Southwest China along the trough. These circulation patterns lead to a decrease in winter temperature over Southwest China（and vice versa）. In addition to the East Asian winter monsoon, the two westerly jets that dominate the upper level circulation over East Asia also exert important influences on winter temperature in Southwest China, especially the Middle East westerly jet to the south of the TP.

关键词： winter temperature Southwest China westerly jet Tibetan Plateau(TP)

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Arctic autumn sea ice decline and Asian winter temperature anomaly

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Acta Oceanologica Sinica 2016年第7期35卷 36-41页

作者： LIU Na LIN Lina WANG Yingjie KONG Bin ZHANG Zhanhai CHEN Hongxia Key Laboratory of Marine Science and Numerical Modeling First Institute of OceanographyState Oceanic Administration South China Sea Institute of Oceanology Chinese Academy of Sciences Geomatics College Shandong University of Science and Technology Key Laboratory for Polar Science Polar Research Institute of China

Associations between the autumn Arctic sea ice concentration （SIC） and Asian winter temperature are discussed using the singular value decomposition analysis. Results show that in recent 33 years reduced autumn Arctic sea ice is accompanied by Asian winter temperature decrease except in the Tibetan plateau and the Arctic Ocean and the North Pacific Ocean coast. The autumn SIC reduction excites two geopotential height centers in Eurasia and the north Arctic Ocean, which are persistent from autumn to winter. The negative center is in Barents Sea/Kara Sea. The positive center is located in Mongolia. The anomalous winds are associated with geopotential height centers, providing favorable clod air for the Asian winter temperature decreasing in recent 33 years. This relationship indicates a potential long-term outlook for the Asian winter temperature decrease as the decline of the autumn sea ice in the Arctic Ocean is expected to continue as climate warms.

关键词： Arctic sea ice decline Asian winter temperature

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winter temperature and UV are Tightly Linked to Genetic Changes in the p53 Tumour Suppressor Pathway in Eastern Asia

Winter Temperature and UV are Tightly Linked to Genetic Chan...

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“基因、进化与生理功能多样性”海内外学术研讨会暨中国生理学会第七届比较生理学学术会议

作者： Arnold Levine 宿兵 Institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing State Key Laboratory of Genetic Resources and Evolution Kunming Institute of Zoology and Kunming Primate Research CentreChinese Academy of SciencesKunming

The tumour suppressor p53 is a master sensor of *** human specific polymorphisms, p53 Codon 72 and MDM2 SNP309,influence the activities of *** is a tight association between cold winter temperature and p53 Arg72,and low UV intensity and MDM2 SNP309 G/G,in a cohort of 4,029 individuals across Eastern Asia that suggests causative selec- ***,the two polymorphisms are not ***-based selection analysis further suggests that this is a striking example of two functional polymorphisms being strongly selected for in human populations in response to environmental stresses.

关键词： winter temperature UV p53

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Variation Characteristics of winter temperature in Jinan in Recent 60 Years

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Meteorological and Environmental Research 2011年第7期2卷 9-11页

作者： ZHANG Li Department of Policies and Statutes,Shandong Meteorological Bureau,Jinan 250013,China

[Objective] The research aimed to study the variation characteristics of winter temperature in Jinan in recent 60 years.[Method] Based on winter monthly average,maximum and minimum temperatures in the ground observation station of Jinan during 1951-2010,by using linear trend,5-year moving average and anomaly,the variation characteristics of winter average,maximum and minimum temperatures in Jinan in recent 60 years were *** historical evolution trend and decadal variation characteristics were discussed.[Result] winter average,maximum and minimum temperatures in Jinan in recent 60 years all presented slow fluctuation rise *** rise trend was *** the increase amplitude of minimum temperature was the *** illustrated that the variation of minimum temperature was more sensitive than that of maximum temperature,and the climatic warming in winter was mainly from the contribution of minimum temperature *** from the decadal variation,cold winter mainly appeared before the ***,it presented obvious decrease ***,warm winter presented increase trend after the *** winter phenomenon slowed after *** temperature presented stepped warming trend during *** average temperature presented jumped warming trend when entered into the *** temperature presented downward trend when entered into the 21st *** winter temperature still presented rise trend as a *** population growth in Jinan made that urbanization process accelerated,and urban heat island effect *** was one of important factors for climate warming in Jinan.[Conclusion] The research provided theoretical basis for understanding the long-term variation trend of climate in Jinan area,and if it was consistent with the background of global climatic warming.

关键词： winter temperature Maximum temperature Minimum temperature Variation characteristic China

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Spatial/Temporal Variations of winter temperature In Jiangsu

Spatial/Temporal Variations of Winter Temperature In Jiangsu

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第三届中日韩气象学术会议

作者： Sun Yan~1 Zhang Xiu-Li~2 Yin Dong-ping~1 Zhang Jing~1 Liu Mei~1 (1 Meteorological Observatory ofJiangsu,Nanjing 210008 2 Air Force Meteorological Center,Beijing 100843)

＜正＞The monthly mean temperature data at 160 stations in China during 1951—2005 and 59 stations in Jiangsu during 1961—2004 are *** the basis of the analysis of seasonal and inter-annual variations,the inter-annual and inter-decadalvariations of winter temperature in Jiangsu are emphatically studied in this *** is found that the winter temperature in Jiangsu was basically in a colder period from 1960s to metaphase of the 1980s,and in a partial warmer period after the middle and later periods of 1980s;the summer temperature anomaly shows the quasi-five year,quasi- eight year inter-annual periodic variations and 22-23 year,14-15 year inter-decadal periodic variations;the winter temperature trend in Jiangsu shows the consistent ascension.

关键词： Jiangsu winter temperature inter-annual inter-decadal

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Individual Variations of winter Surface Air temperature over Northwest and Northeast China and Their Respective Preceding Factors

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Atmospheric and Oceanic Science Letters 2014年第4期7卷 346-351页

作者： XIN Yu-Fei LIU Ge JIN Qi-Hua Chinese Academy of Meteorological Sciences

Based on monthly mean surface air temperature （SAT） from 71 stations in northern China and NCEP/ NCAR and NOAA-CIRES （Cooperative Institute for Research in Environmental Sciences） twentieth century reanalysis data, the dominant modes of winter SAT over northem China were explored. The results showed that there are two modes that account for a majority of the total variance over northern China. The first mode is unanimously colder （warmer） over the whole of northern China. The second mode is characterized by a dipole structure that is colder （warmer） over Northwest China （NWC） and warmer （colder） over Northeast China （NEC）, accounting for a fairly large proportion of the total variance. The two components constituting the second mode, the individual variations of winter SAT over NWC and NEC and their respective preceding factors, were further investigated. It was found that the autumn SAT anomalies are closely linked to persistent snow cover anomalies over Eurasia, showing the delayed effects on winter climate over northern China. Specifically, the previous autumn SAT anomalies over the Lake Baikal （LB; 50-60°N, 85-120°E） and Mongolian Plateau （MP; 42-52°N, 80-120°E） regions play an important role in adjusting the variations of winter SAT over NWC and NEC, respectively. The previous autumn SAT anomaly over the MP region may exert an influence on the winter SAT over NEC through modulating the strength and location of the East Asian major trough. The previous autumn SAT over the LB region may modulate winter westerlies at the middle and high latitudes of Asia and accordingly affects the invasion of cold air and associated winter SAT over NWC.

关键词： winter temperature Northwest China Northeast China climate forecast

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Interdecadal Variations of winter temperatures in East China During the Past 100 Years and Related Atmospheric Circulation

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Atmospheric and Oceanic Science Letters 2013年第5期6卷 290-294页

作者： ZHU Ya-Li Nansen-Zhu International Research Centre Institute of Atmospheric Physics Chinese Academy of Sciences Climate Change Research Center Chinese Academy of Sciences

The winter temperature changes in East China during the past 100 years are investigated by using the Twentieth Century Version 2(20th-v2)*** typical warm(P1,1911–30;P4,1991–2010)and cold(P2,1938–57;P3,1961–80)periods are identified for the East China winter temperature *** of160-station observational data,NCAR sea level pressure(SLP)data,and NCEP/NCAR Reanalysis shows that the20th-v2 Reanalysis can successfully depict the major features of the warming from P3 to P4,which is part of the global warming *** cooling from P1 to P2is a regional phenomenon under global ***,both changes are consistent with the phase change of the Arctic Oscillation(AO),while the second change is also accompanied by the phase change of Antarctic Oscillation(AAO)from negative to *** sources of the interdecadal shifts of the AO and winter temperature in East China require further research.

关键词： East China winter temperature global warming decadal change

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Seventy-five years of masting and rodent population peaks in Norway: Why do wood mice not follow the rules?

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Integrative Zoology 2016年第5期11卷 388-402页

作者： Vidar SELÅS Department of Ecology and Natural Resource Management Norwegian University of Life SciencesÅsNorway

Wood mouse(Apodemus sylvaticus)populations are expected to show a peak in autumn in the year after a mast year of sessile oak(Quercus petraea),because stored acorns increase winter *** Aust-Agder,South Norway,only 16 of 34 mast years from 1939-2014 were followed by a year with a peak in the wood mouse *** many of the remaining instances,there rather was a minor peak 2 or 3 years after the *** multiple logistic regression models,the probability of a wood mouse population peak after a mast year of sessile oak was positively related to a snow-corrected temperature index of the previous winter and negatively to a small rodent population index of the previous *** present study thus supports the hypothesis that longer periods with snow-free ground and subzero temperatures negatively affect wood mouse winter ***cause it may be difficult for wood mice to survive on a diet consisting of acorns alone,the negative relationship with the rodent population index of the previous year is most likely caused by an over-exploitation of necessary alternative food resources,such as other plant seeds and *** acorns not utilized during one winter are assumed to benefit wood mice in a succeeding winter,giving a delayed population peak relative to the mast year.

关键词： acorns masting seed production winter temperature wood mouse

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