Using water sources extent during inundation as a reliable predictor for vegetation zonation in a natural wetland floodplain

Berezowski, Tomasz; Wassen, Martin

doi:10.1016/j.ecolind.2023.110854

Cited by 4 publications

(1 citation statement)

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“…The IHM simulation output used for the analysis, forcing data, and historical water levels (which were not published elsewhere, see below) are available in Berezowski (2023). The groundwater levels data were provided by the Biebrza National Park, the data were available upon request from https://www.biebrza.org.pl/1281,dane-kontaktowe.…”

Section: Data Availability Statementmentioning

confidence: 99%

Impact of Climate Change on Water Sources and River‐Floodplain Mixing in the Natural Wetland Floodplain of Biebrza River

Berezowski,

Partington

2023

Water Resources Research

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The origins of river and floodplain waters (groundwater, rainfall, and snowmelt) and their extent during overbank flow events strongly impact ecological processes such as denitrification and vegetation development. However, the long‐term sensitivity of floodplain water signatures to climate change remains elusive. We examined how the integrated hydrological model HydroGeoSphere and the Hydraulic Mixing‐Cell method could help us understand the long‐term impact of climate change on water signatures and their spatial distribution in the protected Biebrza River Catchment in northeastern Poland. Our model relied on 20th century Reanalysis Data from 1881 to 2015 and an ensemble of EURO‐CORDEX simulations for representative concentration pathways (RCP) 2.6, 4.5, and 8.5 from 2006 to 2099. The historical component of the simulations was subjected to extensive multiple‐variable validation from 1881 to 2019. The results show that the extents of water sources were rather stable in the floodplain in the 1881–2015 period. The projected future impacts were variable with each analyzed RCP, but in all cases, different significant trends were present for the spatial distribution of water sources and for the river‐floodplain mixing. However, the total volume of water from different sources was less sensitive to climate change than the dominant sources and spatial distribution of water. The simulation results highlight the impact of climate change on the extent of water sources in temperate zone wetlands with significant implications for ecological processes and management. These results also underscore the urgent need to leverage such modeling studies to inform protective and preservation strategies of floodplain wetlands.

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Section: Data Availability Statementmentioning

confidence: 99%