Author
Listed:
- Shilong Piao
(Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Center for Excellence in Tibetan Earth Science, Chinese Academy of Sciences
CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences
Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University)
- Jianguang Tan
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University)
- Anping Chen
(Princeton University)
- Yongshuo H. Fu
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University
University of Antwerp)
- Philippe Ciais
(LSCE, UMR CEA-CNRS, Bat. 709, CE, L'Orme des Merisiers)
- Qiang Liu
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University)
- Ivan A. Janssens
(University of Antwerp)
- Sara Vicca
(University of Antwerp)
- Zhenzhong Zeng
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University)
- Su-Jong Jeong
(Jet Propulsion Laboratory, California Institute of Technology)
- Yue Li
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University)
- Ranga B. Myneni
(Boston University)
- Shushi Peng
(Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University
LSCE, UMR CEA-CNRS, Bat. 709, CE, L'Orme des Merisiers)
- Miaogen Shen
(Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Center for Excellence in Tibetan Earth Science, Chinese Academy of Sciences)
- Josep Peñuelas
(CREAF, Cerdanyola del Valles
CSIC, Global Ecology Unit CREAF-CSIC-UAB, Cerdanyola del Valles)
Abstract
Recent warming significantly advanced leaf onset in the northern hemisphere. This signal cannot be accurately reproduced by current models parameterized by daily mean temperature (Tmean). Here using in situ observations of leaf unfolding dates (LUDs) in Europe and the United States, we show that the interannual anomalies of LUD during 1982–2011 are triggered by daytime (Tmax) more than by nighttime temperature (Tmin). Furthermore, an increase of 1 °C in Tmax would advance LUD by 4.7 days in Europe and 4.3 days in the United States, more than the conventional temperature sensitivity estimated from Tmean. The triggering role of Tmax, rather than the Tmin or Tmean variable, is also supported by analysis of the large-scale patterns of satellite-derived vegetation green-up in spring in the northern hemisphere (>30°N). Our results suggest a new conceptual framework of leaf onset using daytime temperature to improve the performance of phenology modules in current Earth system models.
Suggested Citation
Shilong Piao & Jianguang Tan & Anping Chen & Yongshuo H. Fu & Philippe Ciais & Qiang Liu & Ivan A. Janssens & Sara Vicca & Zhenzhong Zeng & Su-Jong Jeong & Yue Li & Ranga B. Myneni & Shushi Peng & Mia, 2015.
"Leaf onset in the northern hemisphere triggered by daytime temperature,"
Nature Communications, Nature, vol. 6(1), pages 1-8, November.
Handle:
RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7911
DOI: 10.1038/ncomms7911
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Cited by:
- Jiaxin Jin & Ying Wang & Hong Jiang & Min Cheng, 2016.
"Recent NDVI-Based Variation in Growth of Boreal Intact Forest Landscapes and Its Correlation with Climatic Variables,"
Sustainability, MDPI, vol. 8(4), pages 1-10, April.
- Hongshuang Gu & Yuxin Qiao & Zhenxiang Xi & Sergio Rossi & Nicholas G. Smith & Jianquan Liu & Lei Chen, 2022.
"Warming-induced increase in carbon uptake is linked to earlier spring phenology in temperate and boreal forests,"
Nature Communications, Nature, vol. 13(1), pages 1-8, December.
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