Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review

Evapotranspiration (ET) is a parameter of major importance participating in both hydrological cycle and surface energy balance. Trends of ET are discussed along with the dependence of evaporation to key environmental variables. The evaporation paradox can be approached via natural phenomena aggravat...

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Main Authors: Stavroula Dimitriadou, Konstantinos G. Nikolakopoulos
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Hydrology
Subjects:
Online Access:https://www.mdpi.com/2306-5338/8/4/163
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author Stavroula Dimitriadou
Konstantinos G. Nikolakopoulos
author_facet Stavroula Dimitriadou
Konstantinos G. Nikolakopoulos
author_sort Stavroula Dimitriadou
collection DOAJ
description Evapotranspiration (ET) is a parameter of major importance participating in both hydrological cycle and surface energy balance. Trends of ET are discussed along with the dependence of evaporation to key environmental variables. The evaporation paradox can be approached via natural phenomena aggravated by anthropogenic impact. ET appears as one of the most affected parameters by human activities. Complex hydrological processes are governed by local environmental conditions thus generalizations are difficult. However, in some settings, common hydrological interactions could be detected. Mediterranean climate regions (MCRs) appear vulnerability to the foreseen increase in ET, aggravated by precipitation shifting and air temperature warming, whereas in tropical forests its role is rather beneficial. ET determines groundwater level and quality. Groundwater level appeared to be a robust predictor of annual ET for peatlands in Southeast Asia. In semi-arid to arid areas, increases in ET have implications on water availability and soil salinization. ET-changes after a wildfire can be substantial for groundwater recharge if a canopy-loss threshold is surpassed. Those consequences are site-specific. Post-fire ET rebound seems climate and fire-severity-dependent. Overall, this qualitative structured review sets the foundations for interdisciplinary researchers and water managers to deploy ET as a means to address challenging environmental issues such as water availability.
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spelling doaj.art-c33de9e9a351467291a302153cafd3862023-11-23T08:39:29ZengMDPI AGHydrology2306-53382021-11-018416310.3390/hydrology8040163Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A ReviewStavroula Dimitriadou0Konstantinos G. Nikolakopoulos1Department of Geology, University of Patras, 26504 Rion, GreeceDepartment of Geology, University of Patras, 26504 Rion, GreeceEvapotranspiration (ET) is a parameter of major importance participating in both hydrological cycle and surface energy balance. Trends of ET are discussed along with the dependence of evaporation to key environmental variables. The evaporation paradox can be approached via natural phenomena aggravated by anthropogenic impact. ET appears as one of the most affected parameters by human activities. Complex hydrological processes are governed by local environmental conditions thus generalizations are difficult. However, in some settings, common hydrological interactions could be detected. Mediterranean climate regions (MCRs) appear vulnerability to the foreseen increase in ET, aggravated by precipitation shifting and air temperature warming, whereas in tropical forests its role is rather beneficial. ET determines groundwater level and quality. Groundwater level appeared to be a robust predictor of annual ET for peatlands in Southeast Asia. In semi-arid to arid areas, increases in ET have implications on water availability and soil salinization. ET-changes after a wildfire can be substantial for groundwater recharge if a canopy-loss threshold is surpassed. Those consequences are site-specific. Post-fire ET rebound seems climate and fire-severity-dependent. Overall, this qualitative structured review sets the foundations for interdisciplinary researchers and water managers to deploy ET as a means to address challenging environmental issues such as water availability.https://www.mdpi.com/2306-5338/8/4/163actual evapotranspirationpotential evapotranspirationreference evapotranspirationevaporationevaporation paradoxglobal dimming
spellingShingle Stavroula Dimitriadou
Konstantinos G. Nikolakopoulos
Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
Hydrology
actual evapotranspiration
potential evapotranspiration
reference evapotranspiration
evaporation
evaporation paradox
global dimming
title Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
title_full Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
title_fullStr Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
title_full_unstemmed Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
title_short Evapotranspiration Trends and Interactions in Light of the Anthropogenic Footprint and the Climate Crisis: A Review
title_sort evapotranspiration trends and interactions in light of the anthropogenic footprint and the climate crisis a review
topic actual evapotranspiration
potential evapotranspiration
reference evapotranspiration
evaporation
evaporation paradox
global dimming
url https://www.mdpi.com/2306-5338/8/4/163
work_keys_str_mv AT stavrouladimitriadou evapotranspirationtrendsandinteractionsinlightoftheanthropogenicfootprintandtheclimatecrisisareview
AT konstantinosgnikolakopoulos evapotranspirationtrendsandinteractionsinlightoftheanthropogenicfootprintandtheclimatecrisisareview