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Institute: Institute of Hydrology

EUROFRIEND - Flow Regimes from International Experimental and Network Data
EUROFRIEND - Režim odtoku z medzinárodných experimentálnych a sieťových údajov
Program: UNESCO
Project leader: RNDr. Miklánek Pavol CSc.
Annotation:The FRIEND programme is an international research programme that helps to set up regional networks for analyzing hydrological data. It aims to develop better understanding of hydrological variability and similarity across time and space, through the mutual exchange of data, knowledge and techniques at the regional level. The advanced knowledge of hydrological processes and flow regimes gained through FRIEND helps to improve methods applicable in water resources planning and management. FRIEND is a cross-cutting programme that interacts with all five core IHP-VII themes. A generic overarching scientific objective has been to improve the understanding of the similarity and hydrological variability across different regions of the world, and to share models and techniques between countries, organizations and researchers. The current research covers a diverse range of topics including low flows, floods, variability of regimes, rainfall/runoff modelling, processes of stream flow generation, sediment transport, snow and glacier melt, climate change and variability and its uncertainties, and land-use impacts.
Duration: 1.1.2014 - 31.12.2021

European Network of Experimental and Representative Basins - ERB
Európska sieť experimentálnych a reprezentatívnych povodí
Program: UNESCO
Project leader: RNDr. Holko Ladislav PhD.
Annotation:The Euromediterranean Network of Experimental and Representative Basins (ERB) is an open association of 20 European countries operating and managing well instrumented experimental and representative basins for hydrological and environmental research on a long term basis. The ERB network promotes the exchange of basin information and the cooperation in international programs as FRIEND, HELP and PUB. Information is disseminated through Newsletters. The Steering Committee of ERB consists of National Correspondents nominated by the UNESCO-IHP National Committees. ERB was established in 1986 and has organised twelve biennial conferences since its beginning. The main objectives are : • To increase relationships between members, research teams, universities and basin managers, through exchanges of hydrological information, data, research methods, models and to organise visits and biennial conferences; • To enable joint studies of common interest • To make available and exchange data between research groups. • To harmonize methods of data collection and processing. Scientific topics and conferences: Despite the large diversity of hydrological problems in our countries there appears always a convergence of hydrological topics of common interest in small basin research to formulate themes of our conferences to which scientists of all member countries can contribute. Examples are: hydrological monitoring, runoff generation, hydrological and environmental modelling, biogeochemical processes, extremes, uncertainties in data and model concepts, effects of natural and man-made changes, erosion, sedimentation, hillslope processes, etc. The organizing country may also select topics of more national or regional interest. The biennial conferences are very important occasions to present and discuss research and to exchange experiences. Especially young scientists can benefit from these meetings by presenting their (PhD) research, discussing their ideas and exchange data to test their hypotheses and model concepts.
Duration: 1.1.2013 - 31.12.2021

A European network for a harmonized monitoring of snow for the benefit of climate change scenarios, hydrology and numerical weather prediction
Európska sieť pre harmonizovaný monitoring snehu pre klimatické scenáre, hydrológiu a numerické predpovede počasia
Program: COST
Project leader: RNDr. Holko Ladislav PhD.
Annotation:Aim of the Action The aim of action is to enhance the capability of the research community and operational services to provide and exploit quality-assured and comparable regional and global observation-based data on the variability of the state and extent of snow. Overall objectives and benefits are: - Establish a European-wide science network on snow measurements for their optimum use and applications benefitting on interactions across disciplines and expertise. - Assess and harmonise practices, standards and retrieval algorithms applied to ground, air- and space-borne snow measurements => Foster their acceptance by key snow network operators at the international level. - Develop a rationale and long term strategy for snow measurements, their dissemination and archiving. - Advance snow data assimilation in European NWP and hydrological models and show its benefit for relevant applications. - Establish a validation strategy for climate, NWP and hydrological models against snow observations and foster its implementation within the European modelling communities. - Training of a new generation of scientists on snow science and measuring techniques with a broader and more holistic perspective linked with the various applications.
Duration: 10.11.2014 - 9.11.2018

Evaluation of surface soil moisture from satellite and ground-based measurements
Hodnotenie vlhkosti povrchu pôdy pomocou satelitných a pozemných meraní
Program: Inter-academic agreement
Project leader: Ing. Vitková Justína PhD.
Annotation:Soil moisture together with soil and vegetation characteristics, plays an important role in exchange of water and energy between the land surface and the atmospheric boundary layer. Accurate knowledge of current and future spatial and temporal variation in soil moisture is not well known, nor easy to measure or predict. Knowledge of soil moisture in surface and root zone is critical for achieving sustainable land and water management. Research concern the proofs of the climate change issues related to evaluation of water storage in soil from ground and SMOS (Soil Moisture Ocean Salinity) satellite measurements, in area of 3 Transboundary Biosphere Reserves situated both in Poland and Slovakia. Studies conducted in the years 2013-2015, we want to continue for another period 2016-2018. The focus is on validating soil moisture, and classifying the vegetation cover towards the water content bound to the canopy. In order to improve our understanding of how the management and land use modify the water and thermal processes the use of modelling is required. In this research project we plan to use SMOS and ground data for prediction of topsoil water distribution in Poland and Slovak territory.
Duration: 1.1.2016 - 31.12.2018

IHP-VIII Regional cooperation of the Danube countries
IHP-VIII Regionálna spolupráca podunajských krajín
Program: UNESCO
Project leader: RNDr. Miklánek Pavol CSc.
Annotation:In 1971, the hydrologists of 8 Danube Countries launched on a voluntary basis a regional hydrological cooperation aiming to produce consistent hydrological information about the whole Danube Catchment with an area of 817,000 km². Since 1987, this cooperation has been carried out in the framework of the International Hydrological Programme (IHP) of UNESCO, so far under the coordination of the IHP National Committees of Germany, Austria, Slovakia and Hungary. The cooperation of the Danube countries within framework of the IHP of UNESCO is based on the one hand on project work and on the other on regular conferences. The aim of the conferences is to serve as a forum for discussion and exchange of views among the specialists involved.
Duration: 1.1.2014 - 31.12.2021

Vplyv globálnej klimatickej zmeny na vodné zdroje na Ukrajine odhadnutej pomocou zmien prietoku v riekach a zložkami odtoku
Impacts of global climate changes on water resources in Ukraine estimated by variability of river discharges and hydrograph components
Program: Inter-academic agreement
Project leader: RNDr. Pekárová Pavla DrSc.
Annotation:Surface water is a dominant resource for water supply in Ukraine. 85% of water supply comes from the rivers and water reservoirs. Global climate changes resulted in an increase of air temperature in the country. The biggest change is observed in the cold period. In certain years, the average temperature of the cold period is above zero. Although the mean annual precipitation did not change, a decrease in the winter period and an increase in the autumn are observed. Changed air temperature and precipitation patterns result in the decrease of river discharge during spring maxima and its increase during previously low flow periods. Changes in water chemistry were observed as well. Uneven distribution of water resources over Ukraine is combined with shortage of water in regions which are most populated and economically most important. Bad water infrastructure, insufficient water treatment, formerly intensive agriculture and climate change can further deteriorate poor river water quality. The project will consist of two workpackages. In the first one, the analysis of river discharges from selected rivers in Ukraine will be conducted. The results will contribute to better understanding of the variability of river discharges. Second package will focus on hydrographs components. Better understanding of hydrograph components could help explain observed changes in water chemistry and estimate its further development under changed climate.
Duration: 1.4.2017 - 31.12.2019

Flood regime of rivers in the Danube river basin
Režim povodní v povodí rieky Dunaj
Program: UNESCO
Project leader: RNDr. Pekárová Pavla DrSc.
Annotation:The territory of the Danube River Basin is one the most flood-endangered regions in Europe. Therefore there is a strong need to have complete and exhausting information on the flood regime in order to be able to generalize such information on the basis of long-term observations from the whole Danube territory. Flood data from more than 50 stations will be processed to analyse the mean daily discharge rates variability (and annual peaks Qmax as well), from the period 1901–2005 (1876–2006, and more). Further, possible relationships between the annual discharge characteristics of the Danube River and the world climate phenomena (NAO, AO, QBO) will be examined. This information can be used for water management and design of flood control structures and for improvement of the methodological base of institutions and agencies responsible for flood warnings.
Duration: 1.7.2007 - 31.10.2018

The system of porous media parameters evaluation by EIS method in wide spectrum of application
The system of porous media parameters evaluation by EIS method in wide spectrum of application
Program: EUREKA
Project leader: Ing. Kandra Branislav PhD.
Duration: 1.11.2012 - 31.12.2017

Effect of biochar and dairy sewage sludge application on hydrophysical and mechanical properties of agricultural soils
Vplyv aplikácie biouhlia a mliekarenského čistiarenského kalu na hydrofyzikálne a mechanické vlastnosti poľnohospodárskych pôd
Program: Inter-governmental agreement
Project leader: Ing. Šurda Peter PhD.
Annotation:Recently, there has been much scientific interest in the different soil amendments as application of biochar, a carbon-rich solid material, or diary sewage sludge, mainly due to its potential promising characteristics in relation to soil conditioning. However, conclusive evidence on alteration of soil properties, processes and functions was not completed yet. Following research project will evaluate in laboratory conditions the extent and implications of biochar and diary sewage sludge application on selected soil physical characteristics, which determine hydrophysical and mechanical characteristics of agricultural soil.
Duration: 1.1.2016 - 29.12.2017

Influence of biophysical and environmental factors on deviations between measured and calculated evapotranspiration
Vplyv biofyzikálnych a environmentálnych faktorov na rozdiely medzi nameranými a vypočítanými úhrnmi evapotranspirácie
Program: Inter-governmental agreement
Project leader: Ing. Rodný Marek PhD.
Annotation:Evapotranspiration (ET) represents the most important component of the water cycle. Proper ET estimates are essential for precise evaluation of energy and water balance studies. Several studies already documented deviations between measured and calculated evapotranspiration depending on environmental and weather conditions. The aim of this project is to assesses biophysical and environmental factors of influence on deviations between measured and calculated evapotranspiration losses and subsequently plant water requirements. Moreover, strong transfer of skills and knowledge on maintenance and operation of the lysimeter facilities, monitoring systems and evapotranspiration models is expected outcome of the international research cooperation.
Duration: 1.1.2016 - 31.12.2017

The total number of projects: 10