Articles | Volume 18, issue 14
Biogeosciences, 18, 4445–4472, 2021
https://doi.org/10.5194/bg-18-4445-2021
Biogeosciences, 18, 4445–4472, 2021
https://doi.org/10.5194/bg-18-4445-2021

Research article 29 Jul 2021

Research article | 29 Jul 2021

Drought effects on leaf fall, leaf flushing and stem growth in the Amazon forest: reconciling remote sensing data and field observations

Thomas Janssen et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-30', Anonymous Referee #1, 18 Mar 2021
    • AC1: 'Reply on RC1', Thomas Janssen, 06 May 2021
  • RC2: 'Comment on bg-2021-30', Anonymous Referee #2, 02 Apr 2021
    • AC2: 'Reply on RC2', Thomas Janssen, 06 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (15 May 2021) by Alexandra Konings
AR by Thomas Janssen on behalf of the Authors (02 Jun 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (06 Jun 2021) by Alexandra Konings
RR by Anonymous Referee #1 (17 Jun 2021)
ED: Publish subject to technical corrections (21 Jun 2021) by Alexandra Konings
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Short summary
Satellite images show that the Amazon forest has greened up during past droughts. Measurements of tree stem growth and leaf litterfall upscaled using machine-learning algorithms show that leaf flushing at the onset of a drought results in canopy rejuvenation and green-up during drought while simultaneously trees excessively shed older leaves and tree stem growth declines. Canopy green-up during drought therefore does not necessarily point to enhanced tree growth and improved forest health.
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