N1-0054 - Hungarian - Slovenian research project
Spatial distribution of water isotopes in precipitation in Europe with special focus on the transect from the Adriatic Coast to the Pannonian Plain, 1 .6. 2016 - 31. 12. 2019, Polona Vreča
An accurate picture of the spatial distribution of stable hydrogen- and oxygen isotopes in modern precipitation is a prerequisite for many geographical, hydrological meteorological applications.
The primary scope of the project is to derive contiguous gridded datasets of basic isotopic characteristics (δ18O, δ2H, d-excess) of precipitation for certain European regions, primarily for the Adriatic-Pannonian domain.
Derived datasets will provide:
- a valuable input and/or auxiliary data for regional hydrological modelling (e.g. sustainable water management, water resources protection, drinking water supply),
- a basis for regional ecological modelling (e.g. wetland protection, migratory studies),
- crucial local isotopic calibration targets for palaeoclimate records (e.g. tree rings, speleothems),
- reference datasets for food authentication and traceability (e.g. wine, milk) studies.
Evaluation of the joint Hungarian-Slovenian precipitation isotope database will, for the first time, allow the estimation of the regional continental effect, an essential isotope hydrological parameter. Furthermore, the project will study the spatio-temporal variations of the radioactive hydrogen isotope (tritium, 3H) in the precipitation over the Adriatic-Pannonian domain.
Inadequate understanding of atmospheric water vapour dynamics, including continental recycling, is critical in limiting the prediction of atmospheric water cycle response to climate change. Stable oxygen and hydrogen isotopes in modern precipitation are natural tracers and supplement the limited knowledge on the hydrological cycle’s regional dynamics.
We will evaluate the precipitation stable isotope data and water-budget models jointly to derive the seasonally quantified estimates for the transpired portion of continental recycling water in the precipitation of the Hungarian-Slovenian region and will test the isotopic model in other European regions where both a dense network of precipitation stable isotope and an independent quantitative estimates of recycled moisture are available (e.g. Alps, Iberia).
As an additionally useful outcome an optimal spatial organization of the precipitation isotope monitoring networks in Hungary and Slovenia can be established on sound scientific basis.
SLONIP - A Slovenian Web-Based Interactive Research Platform on Water Isotopes in Precipitation
Bibliography
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Video abstract for Earth Syst. Sci. Data
