Hydrological consequences of Eucalyptus afforestation in the Argentine Pampas. Engel, V. Water Resources Research, 41(10):W10409, 10, 2005. ![Hydrological consequences of Eucalyptus afforestation in the Argentine Pampas [link]](https://bibbase.org/img/filetypes/link.svg "link")
Website abstract bibtex The impacts of a 40 ha stand of Eucalyptus camaldulensis in the Pampas grasslands of Argentina were explored for 2 years using a novel combination of sap flow, groundwater data,
soil moisture measurements, and modeling. Sap flow measurements showed transpiration rates of 2–3.7 mm d−1, lowering groundwater levels by more than 0.5 m with respect to the surrounding grassland. This hydraulic gradient induced
flow from the grassland areas into the plantation and resulted in a rising of the plantation water table at night. Groundwater
use estimated from diurnal water table fluctuations correlated well with sap flow (p < 0.001, r2 = 0.78). Differences between daily sap flow and the estimates of groundwater use were proportional to changes in surface
soil moisture content (p < 0.001, r2 = 0.75). E. camaldulensis therefore used both groundwater and vadose zone moisture sources, depending on soil water availability. Model results suggest
that groundwater sources represented ∼67% of total annual water use.
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title = {Hydrological consequences of Eucalyptus afforestation in the Argentine Pampas},
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abstract = {The impacts of a 40 ha stand of Eucalyptus camaldulensis in the Pampas grasslands of Argentina were explored for 2 years using a novel combination of sap flow, groundwater data,
soil moisture measurements, and modeling. Sap flow measurements showed transpiration rates of 2–3.7 mm d−1, lowering groundwater levels by more than 0.5 m with respect to the surrounding grassland. This hydraulic gradient induced
flow from the grassland areas into the plantation and resulted in a rising of the plantation water table at night. Groundwater
use estimated from diurnal water table fluctuations correlated well with sap flow (p < 0.001, r2 = 0.78). Differences between daily sap flow and the estimates of groundwater use were proportional to changes in surface
soil moisture content (p < 0.001, r2 = 0.75). E. camaldulensis therefore used both groundwater and vadose zone moisture sources, depending on soil water availability. Model results suggest
that groundwater sources represented ∼67% of total annual water use.},
bibtype = {article},
author = {Engel, Vic},
journal = {Water Resources Research},
number = {10}
}
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