2023
DOI: 10.1002/wat2.1707
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Using foliar δ13C from high‐Andean plants (Silala River basin) as a measure of potential evapotranspiration through water use efficiency

Francisco Suárez,
Claudio Latorre,
Magdalena Mendoza
et al.

Abstract: The water‐dependent nature of arid ecosystems is closely related to the coupling between energy input through photosynthesis and the loss of water through transpiration (Tr), which can be expressed as water use efficiency (WUE). The relationship, however, between environmental factors and plant physiology in controlling evapotranspiration is not well understood in high‐altitude arid environments. Here, we review the use of carbon isotope fractionation (δ13C) to indirectly track fluctuations in WUE and the use … Show more

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Cited by 8 publications
(4 citation statements)
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“…In the Silala River basin, most precipitation occurs between January and March (summer), with little surface water runoff. Evaporation is significant (DICTUC, 2018b;Muñoz et al, 2017;Su arez, Latorre, et al, 2024) (2024b). Precipitation in the form of liquid or solid moisture can either evaporate, infiltrate, or travel as surface runoff over the basin.…”
Section: Hydrological Processes and Flow Regimementioning
confidence: 99%
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“…In the Silala River basin, most precipitation occurs between January and March (summer), with little surface water runoff. Evaporation is significant (DICTUC, 2018b;Muñoz et al, 2017;Su arez, Latorre, et al, 2024) (2024b). Precipitation in the form of liquid or solid moisture can either evaporate, infiltrate, or travel as surface runoff over the basin.…”
Section: Hydrological Processes and Flow Regimementioning
confidence: 99%
“…The infiltrated water can then percolate and recharge the aquifer, evaporate through unsaturated zones, or travel laterally as subsurface flow to the river (Muñoz et al, 2024;Y añez-Morroni et al, 2024aY añez-Morroni et al, , 2024b. The amount of evaporation is dependent on meteorological conditions, water availability, and the presence of vegetation (Su arez, Oportus et al, 2024), Suárez, Latorre et al, 2024) whereas infiltration is influenced by the topographical and geological characteristics of the basin (see details below).…”
Section: Hydrological Processes and Flow Regimementioning
confidence: 99%
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“…Cavity Ring-Down Spectroscopy has been employed as a tool for characterizing evapotranspiration partitioning of water isotopes [16,17] or monitoring ethylene levels [18].…”
Section: Introductionmentioning
confidence: 99%