Hydrologic resilience and Amazon productivity.
Hydrologic resilience and Amazon productivity.
复制标题
水文弹性和亚马逊生产力。
DOI:
10.1038/s41467-017-00306-z
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发表时间:
2017-08-30
影响因子:
16.6
通讯作者:
Jackson RB
中科院分区:
文献类型:
--
作者:
Ahlström A;Canadell JG;Schurgers G;Wu M;Berry JA;Guan K;Jackson RB
The Amazon rainforest is disproportionately important for global carbon storage and biodiversity. The system couples the atmosphere and land, with moist forest that depends on convection to sustain gross primary productivity and growth. Earth system models that estimate future climate and vegetation show little agreement in Amazon simulations. Here we show that biases in internally generated climate, primarily precipitation, explain most of the uncertainty in Earth system model results; models, empirical data and theory converge when precipitation biases are accounted for. Gross primary productivity, above-ground biomass and tree cover align on a hydrological relationship with a breakpoint at ~2000 mm annual precipitation, where the system transitions between water and radiation limitation of evapotranspiration. The breakpoint appears to be fairly stable in the future, suggesting resilience of the Amazon to climate change. Changes in precipitation and land use are therefore more likely to govern biomass and vegetation structure in Amazonia. Earth system model simulations of future climate in the Amazon show little agreement. Here, the authors show that biases in internally generated climate explain most of this uncertainty and that the balance between water-saturated and water-limited evapotranspiration controls the Amazon resilience to climate change.
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影响因子:
30.7
作者:
Boisier, Juan P.;Ciais, Philippe;Guimberteau, Matthieu
通讯作者:
Guimberteau, Matthieu
DOI:
10.1016/s1464-1909(01)00070-3
发表时间:
2001-01-01
期刊:
PHYSICS AND CHEMISTRY OF THE EARTH PART B-HYDROLOGY OCEANS AND ATMOSPHERE
影响因子:
--
作者:
Fuchs, T;Rapp, J;Rudolf, B
通讯作者:
Rudolf, B
影响因子:
3.7
作者:
Jung, Martin;Reichstein, Markus;Williams, Christopher
通讯作者:
Williams, Christopher
影响因子:
6.7
作者:
Ahlstrom, Anders;Schurgers, Guy;Smith, Benjamin
通讯作者:
Smith, Benjamin
影响因子:
5.2
作者:
Aragao, Luiz Eduardo O. C.;Malhi, Yadvinder;Shimabukuro, Yosio Edemir
通讯作者:
Shimabukuro, Yosio Edemir