globalchange  > 气候减缓与适应
DOI: 10.1175/JCLI-D-17-0353.1
Scopus记录号: 2-s2.0-85041958392
论文题名:
A new daily observational record from Grytviken, South Georgia: Exploring twentieth-century extremes in the South Atlantic
作者: Thomas Z.; Turney C.; Allan R.; Colwell S.; Kelly G.; Lister D.; Jones P.; Beswick M.; Alexander L.; Lippmann T.; Herold N.; Jones R.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2018
卷: 31, 期:5
起始页码: 1743
结束页码: 1755
语种: 英语
英文关键词: Climate change ; Climate records ; Surface temperature
Scopus关键词: Biodiversity ; Fisheries ; Climate record ; Environmental change ; Habitat suitability ; Meteorological station ; Nighttime temperatures ; Southern Hemisphere ; Surface temperatures ; Synoptic conditions ; Climate change ; air temperature ; climate change ; extreme event ; historical record ; observational method ; precipitation (climatology) ; regional climate ; surface temperature ; twentieth century ; warming ; Antarctica ; Atlantic Ocean ; Atlantic Ocean (South) ; South Georgia
英文摘要: The sparse nature of observational records across the mid- to high latitudes of the Southern Hemisphere limits the ability to place late-twentieth-century environmental changes in the context of long-term (multidecadal and centennial) variability. Historical records from subantarctic islands offer considerable potential for developing highly resolved records of change. In 1905, a whaling and meteorological station was established at Grytviken on subantarctic South Georgia in the South Atlantic (54°S, 36°W), providing near-continuous daily observations through to present day. This paper reports a new, daily observational record of temperature and precipitation from Grytviken, which is compared to regional datasets and historical reanalysis. The authors find a shift toward increasingly warmer daytime extremes commencing from the mid-twentieth century and accompanied by warmer nighttime temperatures, with an average rate of temperature rise of 0.13°C decade-1 over the period 1907-2016 (p < 0.0001). Analysis of these data and reanalysis products suggest a change of pervasive synoptic conditions across the mid- to high latitudes since the mid-twentieth century, characterized by stronger westerly airflow and associated warm föhn winds across South Georgia. This rapid rate of warming and associated declining habitat suitability has important negative implications for biodiversity, including the survival of key marine biota in the region. © 2018 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111646
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作者单位: Palaeontology, Geobiology and Earth Archives Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, Australia; Climate Change Research Centre, School of Biological, Earth And Environmental Sciences, University of New South Wales, Sydney, NSW, Australia; Met Office Hadley Centre/ACRE, Exeter, United Kingdom; British Antarctic Survey, Cambridge, United Kingdom; Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, United Kingdom; Center of Excellence for Climate Change Research, Department of Meteorology, King Abdulaziz University, Jeddah, Saudi Arabia; National Meteorological Library and Archive, Met Office, Exeter, United Kingdom; ARC Centre of Excellence for Climate System Science, University of New South Wales, Sydney, NSW, Australia; Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands; Department of Geography, Exeter University, Devon, United Kingdom

Recommended Citation:
Thomas Z.,Turney C.,Allan R.,et al. A new daily observational record from Grytviken, South Georgia: Exploring twentieth-century extremes in the South Atlantic[J]. Journal of Climate,2018-01-01,31(5)
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