Snizhko Sergiy

National Taras Shevchenko University of Kyiv | Київський національний університет імені Тараса Шевченка · Department of Meteorology and Climatology

Ukraine's water resources depend on external water flow and are unevenly distributed across the country. Water security in Ukraine is threatened by climate-related risks, including droughts and floods, resulting in substantial economic losses. But the greatest risks to water security are posed by military operations. Russia's occupation of the sout...

This article focuses on water security in Mykolaiv, a city of 0.5 million inhabitants in southern Ukraine, in the situation of scarcity of usable water resources caused by climate change and military operations. This problem arose after the Dnipro-Mykolaiv water pipeline was destroyed in April 2022 as a result of military operations and the supply...

Руйнування Каховського водосховища та зміна клімату: як це вплине на водність нижнього Дніпра?

B a c k g r o u n d . The destruction of the Kakhovka hydroelectric power plant dam by the russian occupiers led to the emptying of the largest reservoir in Ukraine, the Kakhovka reservoir, which provided up to 40% of the water needs of the South of Ukraine. The purpose of the study is to assess the availability of water resources in the South of U...

Air pollution level in big cities is heavily influenced by meteorological factors, including heat waves (HWs). During the last decades, the number of HWs and their intensity has increased worldwide including in Ukraine. Heat waves are more intensive in big cities, because of manmade surfaces and fewer green zones. The aim of this study is to invest...

This study presents an assessment of climate impacts on water availability in the Southern Bug basin, envisaged as a prospective water source for the city of Mykolaiv in Ukraine. Since the city's primary water supply was disrupted due to Russian armed aggression, it is crucial to explore viable alternative water sources. The region's semi-arid clim...

Water resources of Ukraine are unevenly distributed across the country. The greatest shortage of water resources is observed in the southern regions of Ukraine, where the availability of local water resources is extremely low (0.14-0.72 thousand m 3 per person per year). The availability of water resources is a significant limiting factor in the ec...

This study compares the flood regime of rivers in Ukraine and Austria over the last decades. We used data from mountain and lowland watersheds, where floods are caused by different processes. In order to identify possible shifts in the day of occurrence of annual flood maxima, we apply the kernel density method to the time series of two subperiods...

The aim of this study is to evaluate and compare the human-biometeorological conditions at two resorts in Ukraine: a coastal resort located at Odesa in southern Ukraine and an inland resort situated by the lake at Svityaz situated in northwest Ukraine. The results of this study can facilitate the assessment of the tourist potentials of both locatio...

According to the WUDAPT protocol which is based on the concept of local climate (LCZ) zones T. Oke and I. Stewart the territory of Kyiv was analyzed and was highlighted by the LСZ in the administrative boundaries of the city and within the built-up area (BUA). A map of the local climate zones of the city has been created. The existence of significa...

The aim of this study is assessment of thermal comfort conditions during heat waves in Ukraine in the years 1961-2015. The assessment is based on the thermal index Physiologically Equivalent Temperature. This study uses data from 29 meteorological stations across Ukraine. The research showed an increasing frequency of occurrence of heat waves (HWs)...

Introduction. This paper deals with the specific aspects of insolation of the terrestrial surface in the southern regions of Ukraine, namely the clearness index and diffuse fraction of the atmosphere. The study was based on satellite data of the average daily insolation and total cloudiness in the nodes of the two-degree grid for the domain with co...

Tropical nights (TR20) are among the main climate change indices proposed by WMO and the Expert Team on Climate Change Detection and Indices (ETCCDI), and they are actively used in modern climate research. The results of the analysis of tropical nights climatology can be very useful for bioclimatic conditions assessment, as well as for assessment o...

The human-biometeorological conditions in Ukraine during two mega-heat waves were analyzed. The evaluation is based on physiologically equivalent temperature (PET). The calculation of PET is performed utilizing the RayMan model. The results revealed these two mega-heat waves produced strenuous human-biometeorological conditions on the territory of...

The thermal comfort conditions of the territory of Ukraine during the extreme heat wave of summer 2010 are considered. It is shown that during the heat wave of 2010, the population of most of the territory of the Northern, Central, Eastern and Southern regions of Ukraine exposed to long-term impact of heat stress. Heat stress for 12 hours occurred...

The Technology Action Plan is the third and final report of the Technology Need Assessment Project for adaptation to climate change developed for the Agriculture and Water sectors in Ukraine. The Technology Action Plans (TAPs) developed for the technologies selected as a result of team expert work on technology prioritization performed over the fir...

The objective of this research is to assess the bioclimate of the city of Kharkiv in the summer season using the human thermal index of physiologically equivalent temperature (PET). The RayMan model has been used to obtain PET values. The results suggest that most days in Kharkiv during the summer are characterized by heat stress of various intensi...

Сільське господарство є однією з найбільш погодозалежних галузей економіки. Цілком очевидно, що для успішного його функціонування є необхідність використання метеорологічної та агрометеорологічної інформації. Аграрний сектор економіки мав би належати доосновних споживачів метеорологічної інформації, які забезпечують надходження значної частини кошт...

В результаті проведених досліджень запропонована технологічна парадигма розвитку малої гідроенергетики на річках у вигляді спорудження нових високоекологічних малих ГЕС. Рекомендації з використання гідроенергетичного потенціалу річок України запропоновано за басейновим принципом. Питання ресурсної оцінки гідроенергетичного потенціалу рекомендується...

Climate extremes are of the major concern in the global context, since they can result in significant financial and human losses. The scale of heat wave (HW) impacts highlights the necessity to be able to measure extreme events in an informative manner, which is suitable for the geographical region and the climatic fields. Recent climatic projectio...

A meteorological phenomenon that consists of abnormally hot weather conditions, lasting several days or longer and that belongs to the atmosphere’s synoptic-scale circulation is termed a Heat Wave. Heat waves cause heat stress and have significant impacts on the wellbeing, efficiency and health of humans, and can lead to marked short-term increases...

The publication estimates the expected changes in the quantitative characteristics of water resources of Ukraine under the influence of climate change, analysis of probable vulnerabilities main water users, assessment of the role of wetlands lands in the formation of water resources and provided recommendations for the adaptation of the water secto...

This paper suggests a structure design of drought risk assessment and mapping technology and a 6-stage implementation process regarding the country specifics of Ukraine. “Stage-to-stage” implementation process involves collection of observational data for drought assessment (both field measurements and satellite data), data pre-processing, formula...

A climate change monitoring system integrates satellite observations, ground-based data and forecast models to monitor and forecast changes in the weather and climate. A historical record of spot measurements is built up over time, which provides the data to enable statistical analysis and the identification of mean values, trends and variations. T...

Climate extremes are of the major concern in the global context, since they can result in significant financial and human losses. The scale of heat wave (HW) impacts highlights the necessity to be able to measure extreme events in an informative manner, which is suitable for the geographical region and the climatic fields. Recent climatic projectio...

Study region Eight main river basins covering the major part of Ukraine. Study focus The main aim of this study was to provide an assessment of climate change impacts on water availability across Ukraine using global hydrological models. Six global hydrological models were evaluated for their performance in the historical period in the basins unde...

The proposed monograph is a collective scientific study of modernity state of national security of Ukraine in the context of humanitarian, natural resources, environmental and technical-technological problems. The publication will be useful for professionals scientists and a wide range of readers.

This chapter describes the implementation of the concept of personal learning environment (PLE) within the framework of the ERASMUS+ capacity-building project in the field of higher education (ECOIMPACT project, http://e-impact.net/). The purpose of the ECOIMPACT PLE is to enhance the competence of several target groups in weather-related informati...

This chapter describes the implementation of the concept of personal learning environment (PLE) within the framework of the ERASMUS+ capacity-building project in the field of higher education (ECOIMPACT project, http://e-impact.net/). The purpose of the ECOIMPACT PLE is to enhance the competence of several target groups in weather-related informati...

The monograph is devoted to the study of water runoff of rivers of Ukraine under climate change conditions. It consists of 5 chapters, which describe different approaches to the study of water runoff and forecasting its changes. Elements of the hydrological regime of rivers, such as the normal water runoff, maximum and minimum runoff, intra-annual...

BARRIER ANALYSIS AND ENABLING FRAMEWORK REPORT

The features of the manifestation of climate change in the cities of Ukraine are investigated. It has been established that over the past decades mean annual air temperature in big cities has increased on 0.7–1.2°С, compare to the normal climatic period (1961–1990). The most significant increase in the mean monthly air temperature in the modern per...

During the last decades, the number of heatwaves (HWs) has increased worldwide, as well as in Ukraine. It is very important to determine the duration, intensity, and other HW parameters, in particular under climate change condition. For this purpose, various heatwave indices and characteristics are used. The aims of this study were (1) to investiga...

The human-biometeorological conditions in Kyiv (Ukraine) and changes in the frequency of heat stress during the summer period due to recent climate trends were analyzed. The evaluation based on physiologically equivalent temperature (PET). The results revealed the highest probability of thermal comfortable conditions in Kyiv is from the last 10-day...

This article describes the implementation of the concept of personal learning environment (PLE) within the framework of ERASMUS+ capacity building project in the field of higher education (ECOIMPACT project, http://e-impact.net/).

The aim of this research is to simulate the bioclimate of an urban environment to determine the human thermal load in summer months based on modern bioclimatic indices and software. For the purpose of this study, a part of the territory of the Osokorky residential area of Kyiv was selected. To get values of the main meteorological parameters of the...

The article deals with the main provisions of the rivers' hydropower potential and its components - the total, ecologically and technically possible potentials. Calculations were carried out using the geoinformation systems, which enabled to significantly increase reliability of the results. The general scheme of the hydropower potential determinat...

The current climate of Ukraine is characterized by asymmetric warming (more significant in the north than in the south), pronounced in the winter and summer months. There is a dangerous tendency to increase the recurrence of arid conditions in the northern region of Ukraine. There is an arid climate rising every year during the vegetation period in...

A climate change monitoring system integrates satellite observations, ground-based data and forecast models to monitor and forecast changes in the weather and climate. A historical record of spot measurements is built up over time, which provides the data to enable statistical analysis and the identification of mean values, trends and variations. T...

Climatic indices are usually created for a particular group or sector of influence, and because of their complexity they can not be universal and apply for more than one region. In addition, a methodology is needed that would allow to study of changes in the index over a long period of time using climatological data (both models and observations)....

CLIMATE CHANGE IMPACT ON THE ECONOMY Shevchenko O. G., Snizhko S.I., Oliynyk R.V. The article describes сlimate change impact on the economy. The aim of the research is study and analysis of the scientific papers devoted to climate change impact on global economic processes, as well as generalizing of the basic knowledge about patterns of climate...

Textbook for meteorology students on chemistry of atmospheric aerosols

The Technology Needs Assessment project provides a great opportunity for Ukraine to perform a country-driven technology assessment to identify environmentally sound technologies that might be implemented with a substantial contribution towards addressing climate change adaptation needs of the country. The aim of the Technology Needs Assessment proj...

У підручнику висвітлені основні питання економічної метеорології. Структурно він складається з 5 розділів, в яких викладені теоретико-методологічні основи дослідження метеорологічних послуг та особливості розвитку метеорологічного забезпечення в структурі сучасної економіки; розкриті питання ефективності споживання метеорологічних послуг. В підручн...

Study region: Tisza and Prut catchments, originating on the slopes of the Carpathian mountains. Study focus: The study reported here investigates (i) climate change impacts on flood risk in the region, and (ii) uncertainty related to hydrological modelling, downscaling techniques and climate projections. The climate projections used in the study we...

Climatic indices are usually created for a particular group or sector of influence, and because of their complexity they cannot be universal and apply for more than one region. In addition, a methodology is needed that would allow studying of changes in the index over a long period of time using climatological data (both models and observations). T...

This article presents the results of the verification of the homogeneity of the data of long-term observations on the average annual air temperature and annual precipitation amounts according to the data of 143 meteorological stations operating on the territory of Ukraine to date and have a long (in the vast majority of cases, more than 55-60 years...

The purpose of the work is to study the current level and the main trends of atmospheric air pollution of the cities of Ukraine with nitrogen dioxide to identify the most polluted cities, their ranking to determine the list of cities for the priority implementation of environmental measures. For the purpose of the study, the information of the Cent...

The aim of this study is assessment of changes in bioclimate of Kyiv during the calendar summer over the period 1961-2015. The evaluation of bioclimatic conditions based on physiologically equivalent temperature (PET). RayMan model was used for obtaining PET values. The bioclimatic conditions of Kyiv were analyzed by using daily data (air temperatu...

The purpose of the work is to study the current level and the main trends of atmospheric air pollution of the cities of Ukraine with nitrogen dioxide to identify the most polluted cities, their ranking to determine the list of cities for the priority implementation of environmental measures. For the purpose of the study, the information of the Cent...

Big city wind regime is an important factor which influences on air pollution level and bioclimate of the territory. It forms as a result of climatic conditions influence and the impact of various objects (height and density of construction, road network, green zones, water bodies etc.) within the city. The article is devoted to the study and analy...

On the basis of 10 selected stations of the meteorological network heat wave episodes for Сentral regions of Ukraine in the summer months June to August in 1961–2015 have been identified. Duration, intensity and temporal variability of heat wave cases are analyzed. It is proved that the heat wave observed at the end of July – the first part of Augu...

Global climate change and its impact on urban climate of biggest ukrainian city's Kyiv

The information about climate change impact on river discharge is vitally important for planning adaptation measures. The future changes can affect different water-related sectors. The main goal of this study was to investigate the potential water resource changes in Ukraine, focusing on three mesoscale river catchments (Teteriv, Upper Western Bug,...

The article discusses problems of the effects of climate warming on the formation of the water resources of the Ukrainian Carpaty and the territory of Belarus in the near and distant future. Here are presented the results of the application of simulation methods and balances to calculate the forecast of the river flow of Ukrainian carpathians. For...

This scientific monograph is devoted to the research of features of modern hydrological and hydrochemical regimes of the rivers of Zhytomyr Woodlands (Zhytomyr Polissya) in the conditions of global warming. In the present research were studied a phase-cyclic structure of long-term variations in river flow during the period from 1925 to 2012, were c...

In the book are described theoretical bases of applied system analysis in the hydrometeorology: the theory of matrices; interpolation methods; numerical integration; numerical solution of algebraic, ordinary differential equations, equations with partial derivatives and their systems. Briefly are the basic methods processing, analysis, assimilatio...

Changes in hydrological extremes become more significant in the climate change context. Due to the increasing trends of floods in recent decades in Ukraine and accompanied with high risk of social and economic loses, the potential changes in flood frequency are of high importance. The problem of climate change impact on hydrological extremes for Uk...

In the paper was investigated the modern level and the main trends of air pollution level of formaldehyde in cities in Ukraine. Were classified 43 Ukrainian cities by the exceeding of the threshhold value of formaldehyde concentration, the direction and intensity of time changes of concentrations of formaldehyde in the air of cities.

http://www.chalmers.se/en/conference/limb-workshop-2015/Documents/Abstracts_Limb_Workshop_2015.pdf

Episodes in summer with an extremely high near-surface air temperature lasting several days or longer are termed as heat waves (Robinson, 2001; Lau and Nath, 2012). Under a meteorological point of view they are generally associated with quasi-stationary anticyclonic circulation anomalies, which produce subsidence, clear skies, warm-air advection an...

The study of the dynamics of aerosol particles, revealing their sources in the atmosphere is one of the urgent problems of modern meteorology, climatology, atmospheric physics, and ecology. Monitoring of the air pollution caused by aerosols contributes to the determination of its effects on the climate and to the reduction of its negative impacts o...