Articles | Volume 24, issue 5
Hydrol. Earth Syst. Sci., 24, 2755–2767, 2020
https://doi.org/10.5194/hess-24-2755-2020
Hydrol. Earth Syst. Sci., 24, 2755–2767, 2020
https://doi.org/10.5194/hess-24-2755-2020

Technical note 28 May 2020

Technical note | 28 May 2020

Technical note: Long-term probe misalignment and proposed quality control using the heat pulse method for transpiration estimations

Elisabeth K. Larsen et al.

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Latest update: 07 Dec 2021
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Short summary
To improve long-term sap flow measurements when using the heat ratio method, this study introduces a dynamic probe misalignment correction method. This work uses sap flow data from four Aleppo pines from April 2017 to December 2018 and shows how a classical probe correction approach declines in accuracy over time. Additionally, it is proposed that a new set of statistical information be recorded along with the sap flow readings to ensure the quality of the raw data.