Articles | Volume 24, issue 4
https://doi.org/10.5194/hess-24-2179-2020
https://doi.org/10.5194/hess-24-2179-2020
Research article
 | 
30 Apr 2020
Research article |  | 30 Apr 2020

Contribution of understory evaporation in a tropical wet forest during the dry season

César Dionisio Jiménez-Rodríguez, Miriam Coenders-Gerrits, Jochen Wenninger, Adriana Gonzalez-Angarita, and Hubert Savenije

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Cited articles

Adelman, J. D., Ewers, B. E., and MacKay, D. S.: Use of temporal patterns in vapor pressure deficit to explain spatial autocorrelation dynamics in tree transpiration, Tree Physiol., 28, 647–658, https://doi.org/10.1093/treephys/28.4.647, 2008. a
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Allen, S. T., Keim, R. F., Barnard, H. R., McDonnell, J. J., and Renée, B. J.: The role of stable isotopes in understanding rainfall interception processes: a review, WIREs Water, 4, e1187, https://doi.org/10.1002/wat2.1187, 2016. a, b
Allison, G., Barnes, C., Hughes, M., and Leaney, F.: Effect of climate and vegetation on oxygen-18 and deuterium profiles in soils, Isotopes Hydrology, IAEA, Vienna, 105–122, 1984. a
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Tropical forest ecosystems are able to export a lot of water to the atmosphere by means of evaporation. However, little is known on how their complex structure affects this water flux. This paper analyzes the contribution of three canopy layers in terms of water fluxes and stable water isotope signatures. During the dry season in 2018 the two lower canopy layers provide 20 % of measured evaporation, highlighting the importance of knowing how forest structure can affect the hydrological cycle.