Direct and seasonal legacy effects of the 2018 heat wave and drought on European ecosystem productivity

被引：330

作者：

Bastos, A. ^{[1
,17
]}

Ciais, P. ^{[2
]}

Friedlingstein, P. ^{[3
,4
]}

Sitch, S. ^{[5
]}

Pongratz, J. ^{[1
,6
]}

Fan, L. ^{[7
]}

Wigneron, J. P. ^{[7
]}

Weber, U. ^{[8
]}

Reichstein, M. ^{[8
]}

Fu, Z. ^{[2
]}

Anthoni, P. ^{[9
]}

Arneth, A. ^{[9
]}

Haverd, V ^{[10
]}

Jain, A. K. ^{[11
]}

Joetzjer, E. ^{[12
]}

Knauer, J. ^{[10
]}

Lienert, S. ^{[13
,14
]}

Loughran, T. ^{[1
]}

McGuire, P. C. ^{[15
]}

Tian, H. ^{[16
]}

Viovy, N. ^{[2
]}

Zaehle, S. ^{[8
]}

机构：

[1] Ludwig Maximilian Univ Munich, Dept Geog, Luisenstr 37, D-80333 Munich, Germany

[2] CEA CNRS UVSQ, Lab Sci Climat & Environm LSCE, UMR8212, F-91191 Gif Sur Yvette, France

[3] Univ Exeter, Coll Engn Math & Phys Sci, Exeter EX4 4QF, Devon, England

[4] PSL Univ, Sorbonne Univ, CNRS, LMD IPSL,ENS,Ecole Polytech,Inst Polytech Paris, Paris, France

[5] Univ Exeter, Coll Life & Environm Sci, Exeter EX4 4RJ, Devon, England

[6] Max Planck Inst Meteorol, D-20146 Hamburg, Germany

[7] Univ Bordeaux, INRA Nouvelle Aquitaine, ISPA, UMR 1391, Villenave Dornon, France

[8] Max Planck Inst Biogeochem, D-07745 Jena, Germany

[9] Karlsruhe Inst Technol, Inst Meteorol & Climate Res, Atmospher Environm Res, D-82467 Garmisch Partenkirchen, Germany

[10] CSIRO Oceans & Atmosphere, Canberra, ACT 2601, Australia

[11] Univ Illinois, Dept Atmospher Sci, 105 S Gregory Ave, Urbana, IL 61801 USA

[12] Univ Toulouse, CNRS, Meteo France, CNRM, Toulouse, France

[13] Univ Bern, Phys Inst, Climate & Environm Phys, CH-3012 Bern, Switzerland

[14] Univ Bern, Oeschger Ctr Climate Change Res, CH-3012 Bern, Switzerland

[15] Univ Reading, Dept Geog & Environm Sci, Dept Meteorol, Reading RG6 6BB, Berks, England

[16] Auburn Univ, Sch Forestry & Wildlife Sci, Int Ctr Climate & Global Change Res, 602 Duncan Dr, Auburn, AL 36849 USA

[17] Max Planck Inst Biogeochem, D-00745 Jena, Germany

来源：

SCIENCE ADVANCES | 2020年 / 6卷 / 24期

基金：

欧盟地平线“2020”;

关键词：

LAND-SURFACE MODEL; CARBON FLUXES; SUMMER; VEGETATION; REDUCTION; RESPONSES; IMPACT; SITES; WATER;

D O I：

10.1126/sciadv.aba2724

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In summer 2018, central and northern Europe were stricken by extreme drought and heat (DH2018). The DH2018 differed from previous events in being preceded by extreme spring warming and brightening, but moderate rainfall deficits, yet registering the fastest transition between wet winter conditions and extreme summer drought. Using 11 vegetation models, we show that spring conditions promoted increased vegetation growth, which, in turn, contributed to fast soil moisture depletion, amplifying the summer drought. We find regional asymmetries in summer ecosystem carbon fluxes: increased (reduced) sink in the northern (southern) areas affected by drought. These asymmetries can be explained by distinct legacy effects of spring growth and of water-use efficiency dynamics mediated by vegetation composition, rather than by distinct ecosystem responses to summer heat/drought. The asymmetries in carbon and water exchanges during spring and summer 2018 suggest that future land-management strategies could influence patterns of summer heat waves and droughts under long-term warming.

引用

页数：13

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