Transpiration of a Cryptomeria japonica plantation in winter: Analysis based on one-year sap flow measurements

Transpiration of a Cryptomeria japonica plantation in winter: Analysis based on one-year sap flow measurements

This study examined the significance of winter transpiration of a C. japonica plantation using heat pulse velocity (HPV) data. HPV representing canopy transpiration was higher in summer than in winter, with a maximum in August. In January and February, March and April, and December, HPV was approxim...

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Veröffentlicht in:Bulletin of the Tokyo University Forests (Japan) 2007-06 (117)
Hauptverfasser: Komatsu, H.(Kyushu Univ., Fukuoka (Japan)), Kume, T, Yoshifuji, N, Hotta, N, Suzuki, M
Format: Artikel
Sprache:eng
Schlagworte:
CICLO HIDROLOGICO
CRYPTOMERIA JAPONICA
CYCLE HYDROLOGIQUE
FOREST PLANTATIONS
HYDROLOGICAL CYCLE
PLANTACION FORESTAL
PLANTATION FORESTIERE
SAP
SAVIA
SEASONAL VARIATION
SEVE
TRANSLOCATION
TRANSPIRACION
TRANSPIRATION
TRASLOCACION
VARIACION ESTACIONAL
VARIATION SAISONNIERE
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Zusammenfassung:This study examined the significance of winter transpiration of a C. japonica plantation using heat pulse velocity (HPV) data. HPV representing canopy transpiration was higher in summer than in winter, with a maximum in August. In January and February, March and April, and December, HPV was approximately 20, 70, and 40% of that in August, respectively. The relatively high HPV in March and April indicated that the forest water cycle of the C. japonica plantation during these months was quite different from that of broad-leaved deciduous forests in the same region in terms of transpiration.
ISSN:0371-6007