noaa-historical-6208
Rutishauser et al. 2007 Swiss Spring Phenological Index
Rutishauser, T.; Luterbacher, J.; Jeanneret, F.; Pfister, C.; Wanner, H.
Rutishauser et al. 2007 Swiss Spring Phenological Index
2007-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/6208
Investigator
T.
Rutishauser
Investigator
J.
Luterbacher
Investigator
F.
Jeanneret
Investigator
C.
Pfister
Investigator
H.
Wanner
earth science
paleoclimate
historical
age,null,null,year Common Era,null,historical,null,null,N,null
earth science
paleoclimate
historical
phenological event,null,null,day of year,null,historical,null,null,N,Plant phenological spring index based on flowering dates of cherry (Prunus avium) and apple (Malus domesticus) tree and budburst of beech (Fagus sylvatica)
earth science
paleoclimate
historical
document
geoscientificInformation
1702 AD
2007 AD
248 cal yr BP
-57 cal yr BP
Complete
46
46
8
8
Continent
Europe
Western Europe
Switzerland
Switzerland>LATITUDE 46>LONGITUDE 8
None
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English
DOC/NOAA/NESDIS/NCEI
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
https://www.ncdc.noaa.gov/data-access/paleoclimatology-data
DATA Center Contact
Bruce
Bauer
bruce.a.bauer@noaa.gov
paleo@noaa.gov
303-497-6280
303-497-6513
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80305-3328
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online
ASCII
Rutishauser, T., Luterbacher, J.,Jeanneret, F.,Pfister, C.,Wanner, H. 2007. A phenology-based reconstruction of interannual changes in past spring seasons. J. Geophys. Res.,112, G04016
Plant phenological observations are accurately dated information of seasonal vegetation variability in midlatitude climates. In order to extend phenological records into the past and assess climate impacts on vegetation on long timescales, there is a need to make use of historical observations of plant phenology. Here we present a continuous, annually resolved reconstruction of a statistical ""Spring plant"" defined as the weighted mean for the flowering of cherry and apple tree and budburst beech from plant phenological observations across a range of sites in Switzerland from 1702 to 2005. The reconstruction indicates a statistical reconstruction uncertainty (ą3.4 days) at interannual timescale. The earliest and the latest year were observed in 1961 (14 April) and 1879 (13 May), respectively. In the context of the last 300 years, the recent three decades do not show a preponderance of very early years as expected from increased spring temperatures. Most of the years in the period after 1990, however, are earlier than the reconstruction mean (27 April). The 1940s, 1910s, 1890s and the early 18th century are periods with similarly early starts of spring season in comparison with the recent decades. Moving linear trend analysis shows unprecedented agreement towards earlier spring onsets in observed and temperature-based, reconstructed plant phenological records in the late 20th/early 21st century. Our reconstructed ""Spring plant"" provides long-term evidence of vegetation variability for comparisons with temperature measurement and other spring onset indicators such as snow melt. The multicentennial long record offers a high potential for applications in long-term climate impact studies and vegetation model validations.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/historical/europe/switzerland/swiss-phenology2007.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11