Hydraulics, hydrology and hydrogeology

Study on the assessment of the effect of nature-friendly measures in the Olešná in Pelhřimov catchment area using the BILAN, HEC-HMS and HYPE models

Ing. Adam Vizina, Ph.D., Ing. Luděk Strouhal, Ph.D., Ing. Miriam Dzuráková, Ing. Vojtěch Moravec and Ing. Eva Melišová, Ph.D. – 5/2018

A catalogue of natural restoration measures was created within several research programs under Ministry of the Environment of the Czech Republic, especially in the program for hydrological draught mitigation. As a next step suitable catchments for their application were identified. With use of hydrological models, the effect of designed restoration measures on three aspects of hydrological regime was assessed.

Determining of effectiveness of the action program according to the nitrate directive in a period of climate change

Ing. Anna Hrabánková – 5/2018

The Nitrate Directive defines rules for a delimitation of vulnerable zones and sets out tools to reduce nitrate pollution. The fundamental instrument is the Action Program and the Good Agricultural Practices [1].

Draft content of the drought and water scarcity plan in the Czech Republic

Ing. Radek Vlnas – 5/2018

The paper presents the draft of the plan for drought and water scarcity in the Czech Republic. The plan is a basic document of drought protection. It serves to coordinate activities in a given area during drought and water shortages.

River basin monitoring to assess the impact of nature-friendly measures

Ing. Adam Beran, Ph.D., RNDr. Denisa Němejcová, Mgr. Michal Straka, Ph.D., doc. Ing. Josef Krása, Ph.D. and Ing. Václav David, Ph.D. – 5/2018

As part of the Drought project, a comprehensive monitoring of watercourses and land in their catchment areas was launched in the Czech Republic to assess the impact of the implementation of revitalization actions to protect against the effects of drought.

Determination of low level tritium concentrations for tritium tracing applications

RNDr. Diana Marešová, Ph.D., Ing. Eduard Hanslík, CSc., Ing. Eva Juranová and Ing. Barbora Sedlářová – 4/2018

Past tests of nuclear weapons in the atmosphere, nuclear energy facilities and tritium of natural origin are main sources of tritium in the environment. Thanks to its presence in environment and its favourable properties, tritium is used as a radiotracer.

Discharge prediction by SWAT model in case of Olešná water reservoir

Mgr. et Mgr. Petr Krpec – 4/2018

Mathematical models have been used in hydrology for decision making support for many years. They allow the realization of virtual experiments that can be done empirically either very difficult or not at all. The SWAT model, developed in the US, has gained world wide popularity but its application in the Czech Republic is quite rare yet.

Dynamics of pesticides leaching in the Čechtický brook catchment area

Mgr. Jakub Dobiáš, Mgr. Milan Koželuh, Mgr. Antonín Zajíček, Ph.D., Ing. Petr Fučík, Ph.D. and RNDr. Marek Liška, Ph.D. – 4/2018

The use of automatic samplers for detailed monitoring of substance concentrations and balance is nowadays an important part of special monitoring of surface waters. The average results of routine monitoring (consisting of point samples) are often underestimated over the real situation.

Effectiveness assessment of the designed measures in the basin

Ing. Kamila Osičková and Ing. Jana Uhrová, Ph.D. – 3/2018

This article describes part of results of the project “QJ1520268 The new procedures of optimization systems integrated protection area in the context of their economic sustainability“. The aim is effectiveness assessment of the designed measures in the Litava basin in hydrological model created in software HEC-HMS (Hydrology Engineering center – Hydrologic modeling system).

Water Balance – expression of the amount of water in landscape

RNDr. Ing. Jaroslav Rožnovský, CSc., RNDr. Filip Chuchma, Ing. Rostislav Fiala and RNDr. Mojmír Kohut, Ph.D. – 3/2018

Course of the weather in the last years shows that variability of the weather increases and this also leads to a higher frequency of floods, as well as drought. Drought, regardless of its type, means that there is a lack of water in landscape.

How to learn the level of legal and technical principles for the application of blue infrastructure

Ing. Jiří Vítek – 3/2018

The Czech Republic does not sufficiently create the necessary conditions for the conceptual approach to urban drainage based on the principles of a sustainable development. The Ministry of Agriculture of the Czech Republic, responsible for the water management, ignores how much a strict implementation of a sustainable drainage system, especially the blue-green infrastructure, could positively impact urbanized areas’ adaptation to climate change.

Czech citizens’ preferences of adaptation measures to limit damages from floods and droughts

Mgr. Iva Zvěřinová, Mgr. Milan Ščasný, Ph.D. and Mgr. Zuzana Rajchlová – 2/2018

The aim of the research is to examine attitudes and preferences of the Czechs for adaptation measures reducing impacts of floods and droughts. In spring 2016, we conducted a survey on a representative sample of the Czech population (3,666 respondents).

Trends in development of phosphorus concentrations in Orlík and Slapy reservoirs

doc. Ing. Josef Hejzlar, CSc., Ing. Jiří Jarošík, prof. Ing. Jiří Kopáček, Ph.D. and Yuliya Vystavna, Ph.D. – 2/2018

Based on existing phosphorus data series in the Slapy and Orlík reservoirs and their main tributaries, we reconstructed P inputs to the reservoirs from the catchment during 1961–2016 and compiled empirical models of P retention.

Information about ORAM

Ing. Jiří Šajer – 2/2018

Odra River Alarm Modul (ORAM) will be part of the NAVAROSO project. There are no results of tracer studies of the Czech part of the Odra River in the last twenty years. That´s the reason, why tracer experiment data of the Svitava River were used for analysis.

Determination of minimum residual flow values in the Czech Republic

Ing. Pavel Balvín and Ing. Adam Vizina, Ph.D. – 2/2018

Article is based on the amendment to Act no. 254/2001 Coll. pursuant to the wording of Act no. 150/2010 Coll., the Ministry of Environment has been charged with the task of drafting a Government regulation on the method and criteria for determining the minimum residual discharge values.

Storage capacity assessment of water reservoir on current hydrologic data

Ing. Daniel Marton, Ph.D. and prof. Ing. Miloš Starý, CSc. – 2/2018

The aim of this paper is to present results of study, which was aimed to evaluate the efficiency of reservoir capacities for updated input data. The study has focused on review of storage capacity, reliability of total reservoir outflow and analysis of flood protection capacity.

Response variability of selected hydrological models to typical temporal distributions of short-term precipitation

Ing. Luděk Strouhal, Ph.D., Ing. Petr Kavka, Ph.D. and Ing. Lenka Weyskrabová, Ph.D. – 1/2018

The article presents a selection of outcomes of a three-years’ project named “Variability of Short-term Precipitation and Runoff in Small Catchments and its Influence on Water Resources Management“. Its aim was to provide to the public the newly derived typical temporal distributions of subdaily precipitation, also known as design rainfalls.

Classification of small watersheds for the rainfall-runoff modelling in the Czech Republic

Ing. Petr Kavka, Ph.D., Ing. Luděk Strouhal, Ph.D., Ing. Petr Kožant and Ing. Lenka Weyskrabová, Ph.D. – 1/2018

This article introduces a classification of small watersheds in the Czech Republic in terms of potential hydrological response to a set of design precipitation time series. Watershed classes as well as precipitation time series were derived as a partial result of a three-year project aimed at the design of typical soil conservation measures and small water management structures

Web services for the provision of design rainfall

Ing. Martin Landa, Ph.D., Ing. Petr Kavka, Ph.D., Ing. Luděk Strouhal, Ph.D. and Prof. Ing. Jiří Cajthaml, Ph.D. – 1/2018

In the field of GIS support for hydrological modelling there has been distinct evolution towards so called web services, which enable the users to obtain necessary input data for modelling in a fast and effective way. With respect to design rainfall data – one of the key component – the deficit has been considerable.

Baseflow evolution from the part of Bohemian-Moravian Highlands

Radek Chmelař – 1/2018

This article is focused on evolution of baseflow from part of the Bohemian-Moravian Highlands. This is a topical issue and, given the current situation, is also often discussed. The problem of groundwater and its recharge is an important (not only) hydrogeological problem, as climatic conditions in recent years, especially low precipitation, have a negative impact on groundwater recharge.

Bottom level estimation of water management infrastructures from historic project documentations

Mgr. Martin Caletka and Mgr. Pavla Štěpánková, Ph.D. – 6/2017

Monitoring and maintenance of water management infrastructure require knowledge of their reference state characterizing their design parameters. The reference state is derived primarily from the available project documentation, which is appropriately chosen to be converted to a digital model of the bottom terrain.

Long-term fluctuations of Vltava River flows in Prague

Ing. Ladislav Kašpárek, CSc. – 5/2017

The first part the present study contains recommendations for the selection of representative observation period used for the calculation of average flow characteristics. This is the result of calculations based on time series of flows of the Vltava River in Prague with beginning in 1801.

Hydrological and hydrogeological conditions of the Lišanský stream near Rakovník

Jan Kašpárek – 5/2017

The article describes hydrological and hydrogeological conditions in a small part of the Lišanský stream catchment near Rakovník. Natural conditions of this area have been influenced by human activity from the 15th century.

Hydrological balance and available water resource in the czech republic during hydrological drought

Ing. Adam Vizina, Ph.D., Ing. Radek Vlnas, prof. Ing. Martin Hanel, Ph.D., Ing. Ladislav Kašpárek, CSc., Ing. Eva Melišová, Ph.D., Ing. Adam Beran, Ph.D., Ing. Roman Kožín and Ing. Filip Strnad – 4/2017

The article deals with the assessment of the hydrological balance in a monthly time step in the territory of the Czech Republic, which was divided into 133 sub-basins for the period 1981–2015.

Regionalization of deficit runoff volumes in the Czech Republic

Ing. Filip Strnad, Ing. Vojtěch Moravec, prof. Ing. Martin Hanel, Ph.D., Ing. Adam Vizina, Ph.D., Ing. Adam Beran, Ph.D., Ing. Eva Melišová, Ph.D. and Ing. Roman Kožín – 4/2017

The aim of the study is the regionalization of the Czech Republic with respect to drought characteristics in individual catchments.

Impact of drought and water scarcity on water use assessment

Ing. Petr Vyskoč, RNDr. Hana Prchalová and Ing. Jiří Dlabal – 4/2017

Exist tools for water balance, time series of water abstractions and their season variability, difference between permitted and real abstractions and impact of drought in 2015 were analysed and assessed in subtask Impact of Drought on Water Use Assessment.

Modelling the effect of nature-related measures on the water balance in the Trkmanka basin

Ing. Roman Kožín, Ing. Petr Bašta and Ing. Vojtěch Moravec – 4/2017

The effect of nature-related measures on the water balance was modeled in the Trkmanka basin. The basin is located in the Moravia, south-east region of the Czech Republic.

Potential of the nature-friendly measures application for water retention in the landscape and improvement of the ecological status of water bodies

Ing. Miriam Dzuráková, Ing. Kamila Zárubová, Ing. Jana Uhrová, Ph.D., Ing. Miloš Rozkošný, Ph.D., Ing. Lukáš Smelík, Ph.D., RNDr. Denisa Němejcová, doc. RNDr. Světlana Zahrádková, Ph.D., Mgr. Pavla Štěpánková, Ph.D. and Dr. Ing. Jaromír Macků – 4/2017

An analysis and assessment of the nature-friendly measures potential for water retention in the landscape were carried out as a part of the work on the concept of protection against drought impacts in the Czech Republic.

Policy of Protection from impacts of drought and water scarcity in the Czech Republic – consultation and processing

RNDr. Tomáš Hrdinka, Ph.D., Ing. Magdalena Nesládková, Ing. Tereza Davidová, Ph.D. and RNDr. Pavel Punčochář, CSc. – 4/2017

In the context of a severe drought period, which has started in 2014, an inter-ministerial commission WATER-DROUGHT was established to prepare a strategic policy document on protection from impacts of drought and water scarcity in the Czech Republic.

Evaluation of the impacts of drought on aquatic and water-bound organisms in surface water bodies

Ing. Martin Durčák, Mgr. Michal Straka, Ph.D., doc. RNDr. Světlana Zahrádková, Ph.D., Mgr. Marek Polášek, RNDr. Denisa Němejcová, Ing. Petr Tušil, Ph.D., MBA and Ing. Jiří Šajer – 4/2017

Within the framework of the sub-task “Evaluation of the impacts of drought on aquatic and water-bound organisms in surface water bodies“ a project involving activities to support the state administration in the drought issue in 2016 was prepared mainly a review of the potential impacts of drought on individual elements and indicators of water status assessment.

Water transfers as a measure for dealing with drought and water scarcity

Ing. Magdalena Nesládková and Ing. Jiří Šajer – 4/2017

Currently, new projects of water transfers are discussed as a potential measure for dealing with drought and water scarcity. However, there are some issues related with this measure, which require to be considered.

The drought management plan in the Czech Republic

Ing. Radek Vlnas – 4/2017

The paper presents the preparatory phase of the draft of the drought management plan in the Czech Republic in the commenting process. The plan is a basic document of drought protection.

Stochastic management of the open large water reservoir with storage function with using evolution algorithm

Ing. Tomáš Kozel and prof. Ing. Miloš Starý, CSc. – 3/2017

Described models are used random forecasting period of flow line with different length. The length is shorter than 1 year. Forecasting period of flow line is transformed to line of managing discharges with same length as forecast.

Water management effect of water transfers

prof. Ing. Vojtěch Broža, DrSc. – 3/2017

As part of the measures aimed at the current issue of mitigating the flood damage caused by the occurrence of a significant drought, attention was focused, among other things, on water transfers between sub-basins of watercourses.

Selected results of reported River Basin Management Plans in the Czech Republic

RNDr. Hana Prchalová, Mgr. Silvie Semerádová and Ing. Petr Vyskoč – 2/2017

River Basin Management Plans data processing enables obtain not only detailed summary of results, but also appreciates relations between partial results and their significance to achievement of specified objectives.

Process of implementation of Directive 2007/60/EC on the assessment and management of flood risks in conditions of the Czech Republic

Mgr. Pavla Štěpánková, Ph.D., Mgr. Ing. Jana Tejkalová and Ing. Karel Drbal, Ph.D. – 2/2017

The purpose of the Directive 2007/60/EC on the Assessment and Management of Flood Risks (Flood Directive) is to prevent or reduce negative consequences of floods by preparing flood risk management plans.

Surface water body typology category river in the 1st and 2nd cycle of River Basin Management Plans and its consequence to ecological status assessment

RNDr. Hana Prchalová, Ing. Petr Vyskoč and Mgr. Silvie Semerádová – 2/2017

Surface water body delineation and setting a typology are one of the initial steps during Water Framework Directive implementation (WFD) [1]. The first delineation and typology was prepared in 2004–2005 for the first plans, but all the results were significantly changed in the second cycle 2009–2010.