Articles | Volume 14, issue 18
https://doi.org/10.5194/bg-14-4409-2017
https://doi.org/10.5194/bg-14-4409-2017
Research article
 | 
29 Sep 2017
Research article |  | 29 Sep 2017

Response of water use efficiency to summer drought in a boreal Scots pine forest in Finland

Yao Gao, Tiina Markkanen, Mika Aurela, Ivan Mammarella, Tea Thum, Aki Tsuruta, Huiyi Yang, and Tuula Aalto

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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (20 Apr 2017) by Ivonne Trebs
AR by Yao Gao on behalf of the Authors (26 May 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (30 May 2017) by Ivonne Trebs
RR by Anonymous Referee #5 (20 Jun 2017)
RR by Zhen-Ming Ge (23 Jun 2017)
RR by Anonymous Referee #7 (23 Jun 2017)
ED: Reconsider after major revisions (14 Jul 2017) by Ivonne Trebs
AR by Yao Gao on behalf of the Authors (28 Aug 2017)  Author's response   Manuscript 
ED: Publish as is (04 Sep 2017) by Ivonne Trebs
AR by Yao Gao on behalf of the Authors (04 Sep 2017)
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Short summary
We investigated the response of water use efficiency (WUE) to summer drought in a boreal Scots pine forest (Pinus sylvestris) on the daily time scale mainly using EC flux data from the Hyytiälä (southern Finland) flux site. Simulation results from the JSBACH land surface model were also evaluated against the observed results. The performance of three WUE metrics at the ecosystem level (EWUE, IWUE, and uWUE) during the severe summer drought were studied and showed different results.
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