fluxfixer: An R package for producing thermal dissipation sap flow data with high quality control
The thermal dissipation method is crucial for estimating tree transpiration, a major component of terrestrial water cycling. However, this method requires careful quality control (QC), and no post-processing software exists for automatic QC that can apply to raw time series with various artifacts. Hence, we developed a novel R package to conduct sophisticated QC combined with statistical methods and machine learning. We further provided selective methods for calibrating the zero-flow conditions. We demonstrate the package’s effectiveness by post-processing raw data observed in a Bornean tropical rainforest. This package will help establish a standardized protocol for processing low-quality sap flow data.
Authors
- Yoshiaki Hata (ORCID: https://orcid.org/0000-0001-7703-0863)
- Tomo’omi Kumagai (ORCID: https://orcid.org/0000-0001-8331-271X)
Institutions
- University of Hawaiʻi at Mānoa (US)
- University of Hawaii System (US)
- The University of Tokyo (JP)
Publication Details
- Journal
- SoftwareX
- Published
- 2026-05-23
- DOI
- https://doi.org/10.1016/j.softx.2026.102740
- Primary Topic
- Lattice Boltzmann Simulation Studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Ministry of Education, Culture, Sports, Science and Technology