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75
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157
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Introduction
University professor,
research topics: Water sustainability,, Water resources management, Mathematical watershed modeling, Water resources building, Sustainability, Rain water harvesting , Landscape and water, Water for towns, Sediments, drought, floods
Additional affiliations
April 2017 - present
Slovak Commission of UNESCO
Position
- Consultant
September 2015 - September 2015
October 1997 - present
Publications
Publications (75)
Global climate change is likely to influence evapotranspiration (ET); as a result, many ET calculation methods may not give accurate results under different climatic conditions. The main objective of this study is to verify the suitability of machine learning (ML) models as calculation methods for pan evaporation modeling on the macro-regional scal...
The shrinking of the former sixth largest salty lake in the world threatens the job security of farmers and life of inhabitants. We examined the capability of applying the optimal exchange of embedded water to release more water resources for the restoration of Lake Urmia. For this purpose, an optimization model is developed based on Kumar approach...
The water management of cities and villages faces many challenges. Aging infrastructure systems operate for many years after their theoretical lifetime (operation) with a very high need for reconstruction and repair. The solution is proper rainwater management. The investigated area is part of the cadastral area of the Nitra city. This article is b...
Water pricing and reducing the costs of the implementation and maintenance of irrigation systems have been a challenging topic for a long time. Water pricing issues combine two complex dimensions. The first dimension is the economy of the farm and its association with the broader economic system and farming practices. The second dimension is the hy...
Debris floods, as one of the most significant natural hazards, often threaten the lives and property of many people worldwide. Predicting models are essential for flood warning systems to minimize casualties of debris floods. Since HEC-HMS (Hydrologic Engineering Center’s Hydrological Modelling System) cannot simulate debris flow, this study propos...
Phosphorus is a major substance that is needed especially for agricultural production or for the industry. At the same time it is an important component of wastewater. At present, the waste management priority is recycling and this requirement is also transferred to wastewater treatment plants. Substances in wastewater can be recovered and utilized...
Drought in the country is a situation where there are insufficient precipitation totals,
sources of surface, ground or soil water are depleted and their condition affects not only the population itself but also its economic activities, nature or crop after farming
crops, as well as livestock farming. Opposite conditions there are floods in the coun...
Grouping both existing and newly planned reservoirs based on selected measurable characteristics allows to point out issues that are relevant to area management using experience obtained from the environment of other sites. Divisive hierarchical clustering has been deployed to find similarities between dam locations. The Nitra River Basin (located...
We examined the effect of two different technological processes for wine production on qualitative parameters of wine. We used the reductive method, which is currently considered to be the conventional method, and a targeted must oxidation method. We evaluated the basic physicochemical parameters and sensory attributes of wine as well as the conten...
ABSTRACT
Aim of the study
Water shortage in arid regions should be addressed strategically. We propose a framework for determining and prioritizing sustainable water management strategies based on Sustainable Development Goal
Material and methods
In this research, the water resources management strategies in the Central Desert Basin of Iran were d...
Aim of the study:
This study presents an opportunity to determine a value of longitudinal dispersion and is focused on the comparison of seasonal variation of the longitudinal dispersion predetermined by natural conditions of the river aquatic zone.
Material and methods:
The dispersion of a pollutant tracer was simulated by HEC-RAS model and by on...
Water use for recreation is an important element for both human well-being and ecosystem conservation. Increasing tourism and the fight against climate change have induced great changes in many countries, but water resources retain their great potential, especially in inland waters and seas. This paper therefore aims to instill better understanding...
This article presents a method for assessing the impact of the predictive uncertainty of selected wastewater quality indicators and the parametric uncertainty of classification models on the forecast
results of simulating activated sludge sedimentation using classification models. The data for the calculations were obtained from monitoring carried...
Abstract. In the rice system produced discharges of water from rice fields that rice farmers is explained by the increase of water mineralization in rice bays influencing a reduction in rice yield. Given the Geochemistry of water Akdala irrigation system. The physics of negative influence of salts in water of rice bays on development of plants of r...
Drought is an issue that is becoming more discussed today than floods. Weather extremes bring significant changes in the creation and use of water resources. Adaptation strategies are being developed in many countries around the world and the manifestations of climate change are often very significant. In March 2019, we took a survey trip to Iran....
Intermittent rivers and ephemeral streams (IRES) are specific to three hydrological phases-flow, pools and dry. The mosaic of agricultural landscape varies within the world. The present study presents a significance of IRES in agricultural and natural landscapes in Slovakia and Portugal. Different conditions of both countries-position within Europe...
Žilina Dam is located on the outskirts of the locality gallows. It began to be constructed at the end of year 1994. The water reservoir serves as a water supply for the operation of the hydroelectric power plant and serves as part of the flood protection on the Váh River. Geodetic measurements of vertical and horizontal movements of the dam are as...
Poľnohospodárska produkcia je tradične spätá s pôdou a s využívaním pôdnej vody. Nové
priemyselné systémy produkcie zeleniny alebo ovocia už pôdu nevyužívajú a tak sa produkcia
zakladá len na dostupnej vode. Tieto produkcie ale netvoria významný podiel plochy. Tam
kde bolo v určitom období nedostatok prirodzených zrážok sa budovali závlahy s vodou...
Degradation of the land is the global process and despite the fact that it is the result of the combination of the different factors, it is evident that the antrophogenic ones prevail. The basic environmental problem which affects agricultural production worldwide really significantly is soil erosion and particularly water erosion.
Water erosion ca...
The aim of the study was to determine the possibility of using PUR polyurethane foams as an upper layer of sand filter for the treatment of domestic sewage with an elevated concentration of ammonia nitrogen. The working of filtration beds factory-filled with a new stiffened filling or with mechanically ground PUR waste was compared. The efficiency...
Aim of the studyThe aim of the study was to determine the possibility of using PUR polyurethane foams as an upper layer of sand filter for the treatment of domestic sewage with an elevated concentration of ammonia nitrogenMaterial and methodsThe working of filtration beds factory-filled with a new stiffened filling or with mechanically ground PUR w...
Present state of air quality is determined according to emission and imission situation of basic pollutants. According to obtained information about the state of air quality the development of imission and emission has at the present time decreasing tendency caused especially by industrial production innovations in European countries, with slight r...
Environmental effects of temperature rise and long periods without precipitation on
soil processes – case study for southern Slovakia. The general purpose of the article is to
evaluate the environmental effects of temperature rise and long periods without precipitation on soil processes in southern Slovakia. Observed climate change (increase in ave...
The aim of the study is to present the problems of natural systems for waste water treatment in the current context, to evaluate their usability in smaller settlements and rural agglomerations with insufficiently developed technical infrastructure, to formulate the conditions of their correct design, construction and operation and to propose pilot...
Drought by itself cannot be considered a disaster. However, if its impacts on local people, economies and the environment are severe and their ability to cope with and recover from it is difficult, it should be considered as a disaster. Droughts and floods are a recognizable category of natural risk. Hydrological assessments of drought impacts requ...
The origin of irrigation in the world was based on the human’s practical experiences in the past and gradually expanded with the development of advanced cultures. In the Middle Ages, irrigation structures did not develop and gradually ceased to exist. After World War I, alongside with industry, agriculture had been intensified in Europe. Irrigation...
Small water reservoirs are part of the irrigation system in Slovakia, and the total volume of these reservoirs is about 56.404 million m³. However, a volume of 158 million m³ is required to meet the specified need. The construction of small water reservoirs in Slovakia was formerly undertaken by the State Amelioration Administration, but economic c...
The soil protection has a long tradition in Slovakia. Slovakia has a good and strict legislation on the soil protection. It also includes protection against erosion and degradation. However, there is a certain gap in the legislation in addressing the relationship between the lost soil and the land ownership. It is not clear how the land ownership i...
Irrigation water can cause damage to irrigated crops and human and animal’s health. Therefore, it is important to monitor the irrigation water regularly. There is a long-term tradition of irrigation water quality (IWQ) monitoring in Slovakia. A number of monitoring stations varied during years from more than 200 to 11 in recent years. The IWQ incre...
Jurík, Ľ., Pokrývková, J.: urban Water retention – Theoretical Aspects and Practical Measures. Životné prostredie,
2018, 52, 1, p. 42 – 48.
The water cycle in nature is slowly changing through formation of towns and villages and consequent development of industrial centres and transport routes. Although cities are growing and changing, and their su...
Ekosystémové služby zdrojov vody pre krajinu Jurík, Ľ., Halászová, K., Sedmáková, M.: Water Resources-Related Ecosystem Services for Landscape. Životné pros-tredie, 2017, 51, 4, p. 221-226. Water resources are changing with changes in history, and archaeology and history remain the major sources of information on the historical need and use of wate...
1. ÚVOD V poslednom desaťročí SVP š. p. pristúpil k rekonštrukcii dnových výpustí historických vodných nádrží v okolí Banskej Štiavnice. Sedimenty sa v nich ukladali po desaťročia od posledných opráv. Poskytujú tak významný výskumný materiál o priebehoch sedimentácie a premenách látok v aeróbnom aj anaeróbnom prostredí. Pre hodnotenie sedimentov al...
The study presents variation of wastewater inflow and its components during a year. We considered a situation with and without precipitation. The two renovated wastewater treatment plants were selected to analyse the available parameters and relation between them. Both wastewater treatment plants served to treat domestic and industrial wastewater w...
The dynamics of the cultural landscape is associated with the penetration of people into the natural landscape, the settling and adaptation to the needs of the society and its development. Climate creates the decisive influence, specifically the form of extreme high rainfall causing flooding. Adverse impact on the cultural agricultural landscape is...
The paper presents an analysis of sewage susceptibility to biodegra-dation on an example of sewage treatment plant in Wodzisław Śląski in the Śląskie province. For this purpose, dependencies between selected indices of domestic sewage pollution were applied. Descriptive statistics of the respective indices rations COD/BOD 5 , BOD 5 /TN, BOD 5 /TP w...
The aim of the paper was to determine the possibility of the use of Shewhart control charts to monitor changes in the forms of nitrogen, showing the quality of wastewater discharged from the wastewater treatment plant in Krosno in the years 2010-2015. The performed statistical analysis showed the highest number of cases of elevated nitrate nitrogen...
you can download the file at
http://www.cspv.sav.sk/fileadmin/user_upload/Aktuality/Publikacia_GMT/Global_Megatrends_from_Slovak_Point_of_View_06.pdf
In the paper the authors demonstrate the effect of measurement density on the
accuracy of space distribution of volumetric moisture in topsoil layer. The analyses were
performed with the use of geostatistical methods, preceded with a preliminary estimation
of the classic statistical measures. After verifying the condition of stationarity, empirical...
The aim of this document is to present a synthesis of water sustainability issues as the basic role in the sustainable growth strategies in many countries. Water crisis and extreme weather conditions have been identified by the World Economic Forum community as two of the top ten global risks. This is hardly surprising, considering the devastating...
Režim pôd na Slovensku - udržateľnosť a zraniteľnosť.
Jurík, Ľuboš, Húska, Dušan, Sedmáková Miroslava,
Fakulta záhradníctva a krajinného inžinierstva, SPU v Nitre
Pôda v interakcii s vodou zaznamenáva dva režimy a to vodný a vlhkostný. Kým pod vodným režimom pôd chápeme súhrn hydrologických procesov spojených so zrážkovou vodou, jej vnikaním do...
Monograph Methods of the assessment of current level of immission and its effect on the productivity of soils ,
The topic of the environment creation and protection is very relevant today. In the
present time the mankind is significantly interfering with the cycle of basic biogenous
elements, which occur in the biosphere that leads to the productio...
Práca sa zaoberá riešením dlhodobých nameraných hodnôt kvality povrchových vôd vo vybranom profile štátnej hydrologickej siete. Dlhodobé zmeny nám umožňujú urobiť si prehľad o zásadných zmenách v usporiadaní krajiny, o obhospodarovaní pôdy a o zmenách v infraštruktúre obcí, ako vybudovanie vodovodov, stokových sietí alebo čistenia odpadových vôd. E...
The design of small water reservoirs in Slovakia and neighbouring countries has common origins in the middle of the last century. Most of them were an alternative source of water for irrigation of field crops. Nowadays, we have to face new problems, such as the problems with the design of hydrological data and real current discharges, the problems...
The history of irrigation in Slovakia began at the end 19th century with the main view to pastures and meadows. Followed by the development for decades in the 20. century. The result was a state of the cultural landscape of Slovakia at the turn of the millennium. Today, quite rapidly changing, especially the lack of maintenance and poor, rather tha...
Abstrakt Pôda v interakcii s vodou zaznamenáva dva režimy a to vodný a vlhkostný. Kým pod vodným režimom pôd chápeme súhrn hydrologických procesov spojených so zrážkovou vodou, jej vnikaním do pôdy jej následným pohybom a úbytkom z pôdy. Vlhkostný režim pôdy predstavuje časový priebeh zmien zásoby vody v pôdnom profile prezentovaný dynamikou zmien...
The soil water storage in a soil profile was calculated from the measured values of volumetric soil water content by the Profile Probe PR2/6 (Delta-T Device Ltd.) in the Bocegaj catchment in the depth up to 1m. The monitored season in the year 2009 followed after a dry season, and in the year 2010, rainfalls were above the average values. The soil...
The major types of non coastal water-related hazards are river floods, high lake levels, river and lakeshore erosion, sedimentation, landslides, and ground subsidence. With the exception of subsidence, the magnitude and frequency of most of these hazards are largely determined by regional or local geological conditions and meteorological events, al...
Water harvesting techniques can be used at different scales for different uses. One of the potential uses for the rainwater harvesting (RWH) is for example use for supplementary irrigation; losses from rainwater can be reduced by harvesting and benefits increased through groundwater recharge. It is now prepared several excellent practical guides fo...
The paper is dealing with the interrelation between water, soil, food and sustainability development from the view of political measures and their evolution. After the year 1990 the changes in the development politic caused the total orientation changes of the agricultural production with the postulate: " We do not need agriculture. What we need, w...
Soil moisture is important circumstance for soil utilization in the agricultural plant production. The great impact on the production is during the drought periods. We prepared the forecast for the soil moisture for the next short period. The decrease trend of volumetric soil water content was observed during the dry season of 30 days with the rain...
Brehové porasty sú výrazným prvkom v krajine. Pojem krajina sa uplatnil nielen v terminológii odborného
poznávania, ale aj v oblasti umeleckej a to v zmysle vyjadrenia jej viditeľnej časti. V tomto kontexte sa v odbornej literatúre používa anglický termín „landscape“, ktorý sa vyvinul pravdepodobne z holandského „landschap“. Tento termín v sebe zah...
Verejné služby zabezpečované miestnymi samosprávami v oblasti vodného hospodárstva. 1 Legislatívny rámec pre riešenie infraštruktúry v obciach Súčasný pohľad na rozvoj aktivít v oblasti vodného hospodárstva obcí vychádza hlavne z dohôd vyplývajúcich z prístupového konania Slovenska do Európskej únie a následne všetkou legislatívou prijatou Parlamen...
Due to the extreme time and money consumption of the field monitoring campaigns, mathematical models became an inevitable tool in the soil water regime diagnostic issues. Apparent dependence between the soil hydrophysical characteristics and easily measurable soil properties has led researchers to empirical formulations, known as the Pedotransfer f...
Evaluation methods of agricultural potential in rural areas including environmental function. The study focuses on the environmental evaluation of land in the territory of interest by means of assessing the non-production functions. This topic is currently becoming one of the crucial moments in agriculture, water management as well as nature and la...
One of the most important factors, which affect waters in the entire world and also in Slovakia, is a human. In order to eliminate its negative influences, the Directive 2000/60/EC was adopted by the European Parliament and the Council. By its implementation into homesters water policy the streams were divided in the water bodies, in those must be...
Obce majú pre prípad krízovej situácie spracované dokumentácie na riešenie krízového stavu, Jednou z nich je aj dokumentácia pre zásobovanie vodou v krízových stavoch. Skutočný výskyt krízového stavu preverí jej kvalitu, aktuálnosť a použiteľnosť v praxi. Na základe praktických skúseností by sa mali spracované dokumentácie aktualizovať. Príspevok r...
Abstract
Good water quality should be ensured for the Protection of the physico-chemical and microbiological characteristics of individual indicators of water quality. Precisely because they must take place in the territory of the activities undertaken in accordance with the requirements on water quality taken at international and national level....
The present trends of agricultural land use for production if biomass, mainlky for the energetic purposes represents important problem in the field of assign of sufficient quantity of water for biomas production. Optimal use of agricultural land fond in accordance with sustainability of its devekopment and sufficient amount of water resources in th...
The paper is focused on evaluation of climate change influence on soil water content in Danubian
Lowland. Impact assessment was carried out on base of simulation results obtained by agroecological model
Daisy. The meteorological data have been generated according to general circulation model CCCM for
emission scenarios SRES A2 and SRES B2. Five fie...
Human being during his operating in the landscape and at the same time in the river basin affects not only on its state and appearance. Our activity in the landscape has an important influence mainly on the hydrologic processes e. g. evapotranspiration, interception, soil moisture, ground waters recharge. An important influence of activities is als...
Climate Change Assessment and Irrigation Water Availability in Žitava River Basin
Effect of morphological changes of small regulated streams in agricultural land on water level regime during flood events. River regulation measures, often emphasizing priority of exploitation aspects and regulation measures, have been focused on capacity design and stream channel stability analysis. Mainly by means of basin cover changes, accelera...
Agricultural soils are one of the most important unrenewable natural resource. Their thickness is about 0.3 to 0.6 m, but often is much less as a result of erosion or long-term overuse. Only in the lowland location exceeded 1 m. Development of soil profile is long time process and usually it is supposed 10 mm of soil layer is developed during 40 -4...
Projects
Projects (5)
Objective of the project is restoration and status improvement of wetlands and of particular alluvial forests (3150, 91FO, *91EO) via water regime improvement of National Nature Reserve (NNR) Klátovské rameno and via management of biotopes of alluvial forests. Thus the water quality of eutrophic and mesotrophic water will be improved too. Further objective is to assure sustainable management of degradated wetland biotopes. Except of improvement of environment, microclimate of area will be enhanced and also the living quality of inhabitants of surrounding municipalities including recreational potential of locality will be improved. General public and mainly Youth of municipalities will be engaged into NNR preservation and their behaviour will be changed. Sustainable management will be assured in close cooperation with responsible authority State Nature Conservancy (CHKO Ponitrie a Dunajské luhy).
Expected results of project will be the improved status of water quality in the Klátovské rameno itself, the state of adjacent wetlands and wetland habitats of soft and hard alluvial forests (91FO, *91EO) as well as eutrophic and mesotrophic stagnant water habitats (3150) and improved living conditions and thus the condition of protected species in locality Klátovské rameno. It is expected to restore at least 150000 m2 of wetland area. The results of 1 water management-environmental study and of 1 landscape-ecological study/analysis will serve as a basis for updating the Klátovské rameno NNR Management Plan (draft 2002) and to propose sustainable management of locality.