Diurnal leaf water potential on four tree species, San Lorenzo, Panama, 2020

Author(s): Davidson K; Lamour J; Ely K; Rogers A

Dataset Information


Site Name: Bosque Protector San Lorenzo (Fort Sherman)

Variables: Leaf water potential

Date Range: Jan. 29, 2020 - March 10, 2020

Description: This data package contains pre-dawn and diurnal leaf water potential (LWP) measured on four trees at the STRI San Lorenzo crane site between January and March 2020. These data were collected from four of the core trees instrumented for sap flux (Guatteria dumetorum, Miconia minutiflora, Terminalia amazonia,Vochysia ferruginea), with measurements made on a single tree on each day. For each tree, leaf samples were harvested from fully sunlit, top of canopy positions pre-dawn (06:00 local time), and then hourly for the subsequent 12 hours. Leaf water potential was measured on 6 - 10 leaves from each time point. Harvested leaves were stored in a cool humid bag in the dark for no more than 40 minutes before LWP was measured. These data were collected as part of a 2020 dry season campaign led by Brookhaven National Laboratory (BNL). Refer to related datasets for further sample details, and paired leaf mass area (LMA), survey gas exchange, and leaf chemistry data. The files included in this data package are in .csv format, and include one data file and three metadata files.


Methods Description: QA/QC was undertaken to ensure that sample IDs have correct format and are unique, species codes are valid, leaf water potential (LWP) data in the correct units and within reasonable range, and samples are cross referenced against those in related data sets.

Access Level: Public

Originating Institution(s): Brookhaven National Laboratory

Sponsor Organization(s): U.S. Department of Energy Office of Science Office of Biological and Environmental Research

Contact: Rogers, Alistair - Brookhaven National Laboratory (arogers@bnl.gov)

Data Download

Version: 1.0

Dataset Citation: Davidson K; Lamour J; Ely K; Rogers A (2022): Diurnal leaf water potential on four tree species, San Lorenzo, Panama, 2020. 1.0. NGEE Tropics Data Collection. (dataset). http://dx.doi.org/10.15486/ngt/1797761

Acknowledgement: This research was supported as part of NGEE-Tropics, funded by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research under contract no. DE-SC0012704.

Data Link: Download Dataset

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