Divergent water balance trajectories under two dominant tree species in montane forest catchment shifting from energy- to water-limitation

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985874%3A_____%2F25%3A00583504" target="_blank" >RIV/67985874:_____/25:00583504 - isvavai.cz</a>

Alternative codes found

RIV/67985939:_____/25:00583504 RIV/60460709:41330/25:103091 RIV/00216208:11310/25:10510095

Result on the web

<a href="https://doi.org/10.5194/hess-29-6003-2025" target="_blank" >https://doi.org/10.5194/hess-29-6003-2025</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5194/hess-2024-244" target="_blank" >10.5194/hess-2024-244</a>

Result language

angličtina

Original language name

Divergent water balance trajectories under two dominant tree species in montane forest catchment shifting from energy- to water-limitation

Original language description

Vegetation interacts with both soil moisture and atmospheric conditions, contributing to water flow partitioning at the land surface. Therefore, changes in both climate and land cover with vegetation affect the availability of water resources. This study aimed to determine the differential effects of climate change on the soil water regime of two common Central European montane forest types: Norway spruce (Picea abies L.) and European beech (Fagus sylvatica L.). A unique dataset, including 22 years (2000–2021) of measured soil water potentials, was used with a bucket-type soil water balance model to investigate differences in evapotranspiration and groundwater recharge both between the forest types and across years. Results revealed an accelerating transition from a fully energy-limited state towards waterlimitation, with evidence of strict water-limitation in recent outlier years, unprecedented in this system. While long-term column-averaged pressure heads indicated drier soil at the spruce site overall, this was driven by the wettest years in the dataset. Seasonal and interannual variability of meteorological conditions drove complex but robust differences between the flow partitioning of the two forest types, which diverged further with increasing water-limitation. Higher snow interception by spruce (27 mm per season) resulted in drier soil below the spruce canopy in the cold season. Higher transpiration by beech (100 mm per season) led to increasingly drier soils over the warm seasons causing lower ground water recharge (34 mm per season). Low summer precipitation inputs exacerbated soil drying under beech more than under to spruce. These suggest that expected trends in regional climate and forest species composition may interact to produce a disproportionate shift of recharge from the summer to the winter season.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10501 - Hydrology

Project

<a href="/en/project/GA24-10375S" target="_blank" >GA24-10375S: Mechanistic scaling of soil-plant hydrodynamics in the Earth System</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Hydrology and Earth System Sciences

ISSN

1027-5606

e-ISSN

1607-7938

Volume of the periodical

29

Issue of the periodical within the volume

21

Country of publishing house

DE - GERMANY

Number of pages

19

Pages from-to

6003-6021

UT code for WoS article

001607540800001

EID of the result in the Scopus database

2-s2.0-105020856884