gchange  > 气候变化与战略
DOI: 10.5194/cp-11-825-2015
Scopus ID: 2-s2.0-84930945848
Title:
New insights into the reconstructed temperature in Portugal over the last 400 years
Author: Santos J.A.; Carneiro M.F.; Correia A.; Alcoforado M.J.; Zorita E.; Gómez-Navarro J.J.
Source Publication: Climate of the Past
ISSN: 18149324
Publishing Year: 2015
Volume: 11, Issue:6
pages begin: 825
pages end: 834
Language: 英语
Scopus Keyword: borehole ; climate variation ; Maunder Minimum ; paleoclimate ; paleotemperature ; reconstruction ; solar activity ; temperature profile ; twentieth century ; Lisboa [Portugal] ; Lisbon ; Portugal
Subject in Chinese: 古气候 ; 温度指数 ; 太阳活动性
Subject: PALEOCLIMATE ; TEMPERATURE INDICES ; SOLAR ACTIVITY
English Abstract: The consistency of an existing reconstructed annual (December-November) temperature series for the Lisbon region (Portugal) from 1600 onwards, based on a European-wide reconstruction, with (1) five local borehole temperature-depth profiles; (2) synthetic temperature-depth profiles, generated from both reconstructed temperatures and two regional paleoclimate simulations in Portugal; (3) instrumental data sources over the twentieth century; and (4) temperature indices from documentary sources during the late Maunder Minimum (1675-1715) is assessed. The low-frequency variability in the reconstructed temperature in Portugal is not entirely consistent with local borehole temperature-depth profiles and with the simulated response of temperature in two regional paleoclimate simulations driven by reconstructions of various climate forcings. Therefore, the existing reconstructed series is calibrated by adjusting its low-frequency variability to the simulations (first-stage adjustment). The annual reconstructed series is then calibrated in its location and scale parameters, using the instrumental series and a linear regression between them (second-stage adjustment). This calibrated series shows clear footprints of the Maunder and Dalton minima, commonly related to changes in solar activity and explosive volcanic eruptions, and a strong recent-past warming, commonly related to human-driven forcing. Lastly, it is also in overall agreement with annual temperature indices over the late Maunder Minimum in Portugal. The series resulting from this post-reconstruction adjustment can be of foremost relevance to improve the current understanding of the driving mechanisms of climate variability in Portugal. © Author(s) 2015.
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被引频次[WOS]:3   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/49139
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Recommended Citation:
Santos J.A.,Carneiro M.F.,Correia A.,et al. New insights into the reconstructed temperature in Portugal over the last 400 years[J]. Climate of the Past,2015-01-01,11(6)
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