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The 1820s Marks a Shift to Hotter-Drier Summers in Western Europe Since 1360

Wang, L. (author)
Liu, H. Y. (author)
Chen, Deliang, 1961 (author)
Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences
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Zhang, Peng (author)
Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences
Leavitt, S. (author)
Liu, Y. (author)
Fang, C. X. (author)
Sun, C. F. (author)
Cai, Q. F. (author)
Gui, Z. Y. (author)
Liang, B. Y. (author)
Shi, L. (author)
Liu, F. (author)
Zheng, Y. K. (author)
Griessinger, J. (author)
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 (creator_code:org_t)
2022-08-12
2022
English.
In: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 49:15
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Recent soil moisture (SM) reconstructions revealed plunging trends and enhanced SM-temperature couplings over the last two decades in dry regions. However, how SM changed and whether the land-atmosphere interaction was intensified over time in humid regions remained unknown. Here we reported the first six-century-long regional summer SM reconstruction (1360-2000 CE) in western Europe (WE) using three individual tree-ring delta O-18 chronologies in England and France. A sharp wet-to-dry change occurred around 1820, earlier than 1850-1900 CE, the commonly used historical baseline of anthropogenic climate changes. Enhanced coupling of SM-temperature followed, with stronger summer sea level pressure anomalies in dry years after the 1820s. Our results reveal that the hotter-drier regime has also become more frequent in humid WE under global warming.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Geology (hsv//eng)

Keyword

soil moisture
land-atmosphere coupling
climate change
tree-ring
isotope
western Europe
soil-moisture
oxygen isotopes
climate-change
drought
reconstructions
precipitation
temperatures
density
Geology

Publication and Content Type

ref (subject category)
art (subject category)

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