2017
DOI: 10.1038/ncomms14681
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Self-amplified Amazon forest loss due to vegetation-atmosphere feedbacks

Abstract: Reduced rainfall increases the risk of forest dieback, while in return forest loss might intensify regional droughts. The consequences of this vegetation–atmosphere feedback for the stability of the Amazon forest are still unclear. Here we show that the risk of self-amplified Amazon forest loss increases nonlinearly with dry-season intensification. We apply a novel complex-network approach, in which Amazon forest patches are linked by observation-based atmospheric water fluxes. Our results suggest that the ris… Show more

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Cited by 326 publications
(388 citation statements)
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References 78 publications
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“…Such a strong covariability between soil moisture (VSW) and evaporation (EVP) in TropSA reinforces the idea that droughts are also associated with LAFs at local scales, and with teleconnections at larger scales [23,73]. At this point, we hypothesize that the high entropy (HX) from hydrological cycle variables crosslinking PRC-VSW-EVP arises as a consequence of the recycled precipitation that physically enhances non-linear interactions among those variables at TropSA [2,13,34,44].…”
Section: Mcs1mentioning
confidence: 71%
See 1 more Smart Citation
“…Such a strong covariability between soil moisture (VSW) and evaporation (EVP) in TropSA reinforces the idea that droughts are also associated with LAFs at local scales, and with teleconnections at larger scales [23,73]. At this point, we hypothesize that the high entropy (HX) from hydrological cycle variables crosslinking PRC-VSW-EVP arises as a consequence of the recycled precipitation that physically enhances non-linear interactions among those variables at TropSA [2,13,34,44].…”
Section: Mcs1mentioning
confidence: 71%
“…Traditionally, the study of LAFs have been approached from physical modelling and numerical experiments [7][8][9][10][11][12][13]; analysis of observations and models with statistical tools [3,[14][15][16][17]; traces of moisture trajectories [18,19], among others. An important body of literature has focused on the role Figure 1.…”
Section: Introductionmentioning
confidence: 99%
“…Land surface-atmosphere feedbacks (LAFs) have been previously studied in the Amazon River basin, although their connection with the rest of tropical South America has been largely overlooked [13,20,23,25,28,34]. Here, we advance new ideas about such linkages.…”
Section: Discussionmentioning
confidence: 99%
“…The study of LAFs has been approached from physical models and numerical experiments [7][8][9][10][11][12][13]; analysis of observations and models with statistical tools [3,[14][15][16][17]; and traces of moisture trajectories [18,19], among others. An important body of literature has focused on the role of vegetation and land uses in the dynamics of LAFs [20][21][22][23][24], and the conditions under which LAFs determine the stability of the lower atmosphere [25][26][27].…”
Section: Introductionmentioning
confidence: 99%
“…Landscape and climate alterations foreshadow shifts of precipitation and river flow regimes (Botter et al, 2013;Boers et al, 2017;Hirota et al, 2011;Davidson et al, 2012;Khanna et al, 2017;Lawrence and Vandecar, 2015;Zemp et al, 2017;Sampaio et al, 2007). The conversion of precipitation into river flow through the accumulation of runoff depends on a suite of complex and heterogeneous biophysical processes and attributes of river basins, at different scales (Blöschl et al, This suggests that the spatial scaling properties of river flows have a common, mechanistic origin, that has been related to conservation principles and the fractal nature of river networks (Gupta et al, 2007;Sivapalan, 2005).…”
Section: Introductionmentioning
confidence: 99%