Are calibrations of sap flow measurements based on thermal dissipation needed for each sample in Japanese cedar and cypress trees?

Shinohara, Yoshinori; Iida, S.; Oda, Takayuki; Katayama, Ayumi; Tsuruta, Kenji; Sato, Takanori; Tanaka, Nobuaki; Su, Man-Ping; Laplace, Sophie; Kijidani, Yoshio; Kume, Tomonori

doi:10.1007/s00468-022-02283-3

Cited by 4 publications

(4 citation statements)

References 49 publications

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“…In the case of ring-porous species such as R. pseudoacacia, α values of 0.270 and 0.389 were observed, along with β values closer to 1.231 [7]. Conifers like C. japonica and Chamaecyparis obtusa exhibited α values of 0.01197, which were relatively similar to the original coefficients, while the β value of 0.737 was smaller than the original coefficient [47]. For vine species, such as Anodendron affine, Lonicera affinis, and Trachelospermum asiaticum, the calibration equation parameters were α = 0.0457 and β = 1.83 [17].…”

Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 89%

“…To test the relationship between wood structures and the calibration parameters of the Granier formula on a broader scale, both measured data in this study and published data were used. The published calibration and wood structure data were directly retrieved from tables or the TRY database [2,6,8,10,11,15,16,[18][19][20][21][22][23][24]26,27,[32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48]. To enlarge the data range, the published calibrated species that found only one or two structure parameters were also included in this analysis.…”

Section: Data Extraction and Statisticsmentioning

confidence: 99%

“…In the case of diffuse-porous species, the calibration coefficients were less different from the original equation. These variations in calibration coefficients suggest differences in wood characteristics, such as the distribution uniformity of microstructures in the sapwood cross-section, duct size, and efficiency of duct moisture transfer [7,15,17,47].…”

Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 99%

“…This study has similar results. Shinohara et al [47] demonstrated variations in the estimation parameters of C. japonica and C. obtusa across different sizes and regions. Therefore, applying the sap flow density correction factor of a smaller tree species to an individual of the same size in a larger tree species or a different region may also cause uncertain errors.…”

Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 99%

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Applicability of Thermal Dissipation Method in Sap Flow Measurement of Karst Shrub Community

Qin,

Ni,

et al. 2024

Forests

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Although the thermal dissipation probe (TDP) method is prominent in forest transpiration studies, the accurate estimation of sap flow density in particular trees with different wood structures remains highly variable. To verify the applicability of the TDP method in the measurement of the transpirational water consumption of shrub communities in degraded karst areas in southern China, Granier’s original formula was validated and corrected using the isolated stem segment method with Celtis sinensis, Xylosma congesta, Triadica sebifera, Paliurus ramosissimus, Pyracantha fortuneana, Sageretia thea, and Phanera championii. Finally, the correction coefficients were analyzed in relation to wood structural parameters. Our study reveals that the sap flow density estimated using Granier’s original formula exhibited varying degrees of overestimation or underestimation compared to the measured sap flow density. The differences ranged from −78.9% to 114.2%, highlighting the need for formula correction. Consequently, we adjusted the coefficients α and β of the original formula (n = 3–5), resulting in a revised range of 0.0047–0.0509 g cm−2 s−1 and 0.5882–1.9821 (R2 = 0.81–0.97), respectively. The conduit diameter was significantly correlated with the correction coefficient α. It is currently unknown whether the results obtained for a particular species can be applied to different growth environments and more prominent individuals of the same species. In conclusion, it is necessary to verify the applicability of Granier’s original formula when estimating water consumption through transpiration in trees.

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Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 89%

Section: Data Extraction and Statisticsmentioning

confidence: 99%

Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 99%

Section: Differences Before and After Calibration Of The Sap Flow For...mentioning

confidence: 99%

See 2 more Smart Citations

Applicability of Thermal Dissipation Method in Sap Flow Measurement of Karst Shrub Community

Qin,

Ni,

et al. 2024

Forests

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Calibration of sap flow techniques using the root-ball weighing method in Japanese cedar trees

Iida

Takeuchi²,

Shinozaki³

et al. 2022

Trees

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Stomatal ozone uptake of a Quercus serrata stand based on sap flow measurements with calibrated thermal dissipation sensors

Tanaka

Chiu

Gomi

et al. 2023

Science of The Total Environment

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Are calibrations of sap flow measurements based on thermal dissipation needed for each sample in Japanese cedar and cypress trees?

Cited by 4 publications

References 49 publications

Applicability of Thermal Dissipation Method in Sap Flow Measurement of Karst Shrub Community

Applicability of Thermal Dissipation Method in Sap Flow Measurement of Karst Shrub Community

Calibration of sap flow techniques using the root-ball weighing method in Japanese cedar trees

Stomatal ozone uptake of a Quercus serrata stand based on sap flow measurements with calibrated thermal dissipation sensors

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