Ladislav Holko

ORCID: 0000-0002-4589-7478
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About
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Research Areas
  • Cryospheric studies and observations
  • Hydrology and Watershed Management Studies
  • Climate change and permafrost
  • Groundwater and Isotope Geochemistry
  • Winter Sports Injuries and Performance
  • Arctic and Antarctic ice dynamics
  • Plant Water Relations and Carbon Dynamics
  • Soil erosion and sediment transport
  • Landslides and related hazards
  • Fire effects on ecosystems
  • Soil and Unsaturated Flow
  • Geophysics and Gravity Measurements
  • Flood Risk Assessment and Management
  • Integrated Water Resources Management
  • Soil and Water Nutrient Dynamics
  • Groundwater flow and contamination studies
  • Hydrology and Sediment Transport Processes
  • Hydrological Forecasting Using AI
  • Botany and Plant Ecology Studies
  • Karst Systems and Hydrogeology
  • Forest ecology and management
  • Marine and environmental studies
  • Geological Formations and Processes Exploration
  • Aeolian processes and effects
  • Geology and Paleoclimatology Research

Slovak Academy of Sciences
2015-2024

Institute of Hydrology of the Slovak Academy of Sciences
2015-2024

Institute of Chemistry of the Slovak Academy of Sciences
2020-2024

Slovak Caves Administration
2008-2022

Earth Science Institute of the Slovak Academy of Sciences
2017

Technical University of Zvolen
2017

Jagiellonian University
2017

Institute for Soil Sciences
2012

Centre for Agricultural Research
2012

Hungarian Academy of Sciences
2012

Günter Blöschl Marc F. P. Bierkens António Chambel Christophe Cudennec Georgia Destouni and 95 more Aldo Fiori James W. Kirchner Jeffrey J. McDonnell H. H. G. Savenije Murugesu Sivapalan Christine Stumpp Elena Toth Elena Volpi Gemma Carr Claire Lupton José Luis Salinas Borbála Széles Alberto Viglione Hafzullah Aksoy Scott T. Allen Anam Amin Vazken Andréassian Berit Arheimer Santosh Aryal Victor R. Baker W.E. Bardsley Marlies H. Barendrecht Alena Bartošová Okke Batelaan Wouter Berghuijs Keith Beven Theresa Blume Thom Bogaard Pablo Borges de Amorim Michael E. Böttcher Gilles Boulet Korbinian Breinl Mitja Brilly Luca Brocca Wouter Buytaert Attilio Castellarin Andrea Castelletti Xiaohong Chen Yangbo Chen Yuanfang Chen Peter Chifflard Pierluigi Claps Martyn Clark Adrian L. Collins Barry Croke Annette Dathe Paula Cunha David Felipe P. J. de Barros Gerrit H. de Rooij Giuliano Di Baldassarre Jessica M. Driscoll Doris Duethmann Ravindra Dwivedi Ebru Eriş William Farmer James Feiccabrino Grant Ferguson Ennio Ferrari Stefano Ferraris Benjamin Fersch David C. Finger Laura Foglia Keirnan Fowler Б. И. Гарцман Simon Gascoin Éric Gaumé Alexander Gelfan Josie Geris Shervan Gharari Tom Gleeson Miriam Glendell Alena Gonzalez Bevacqua María P. González-Dugo Salvatore Grimaldi A.B. Gupta Björn Guse Dawei Han David M. Hannah A. A. Harpold Stefan Haun Kate V. Heal Kay Helfricht Mathew Herrnegger Matthew R. Hipsey Hana Hlaváčiková Clara Hohmann Ladislav Holko Christopher Hopkinson Markus Hrachowitz Tissa H. Illangasekare Azhar Inam Camyla Innocente dos Santos Erkan İstanbulluoğlu Ben Jarihani Zahra Kalantari

This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by need for stronger harmonisation research efforts. The procedure involved public consultation through online media, followed two workshops which large number potential science questions were collated, prioritised, and synthesised. In spite diversity participants (230 scientists total), process revealed much about priorities state our science: preference continuity...

10.1080/02626667.2019.1620507 article EN cc-by-nc-nd Hydrological Sciences Journal 2019-06-10

Abstract Research gaps in understanding flood changes at the catchment scale caused by forest management, agricultural practices, artificial drainage, and terracing are identified. Potential strategies addressing these proposed, such as complex systems approaches to link processes across time scales, long‐term experiments on physical‐chemical‐biological process interactions, a focus connectivity patterns spatial scales. It is suggested that will stimulate new research coherently addresses...

10.1002/2017wr020723 article EN cc-by Water Resources Research 2017-06-02

Abstract Manually collected snow data are often considered as ground truth for many applications such climatological or hydrological studies. However, there sources of uncertainty that not quantified in detail. For the determination water equivalent cover (SWE), different core samplers and scales used, but they all based on same measurement principle. We conducted two field campaigns with 9 commonly used observational measurements research Europe northern America to better quantify...

10.1002/hyp.13785 article EN Hydrological Processes 2020-04-25

Abstract. Numerous global and regional validation studies have examined MODIS snow mapping accuracy by using measurements at climate stations, which are mainly open sites. in alpine forested regions is, however, still not well understood. The main objective of this study is to evaluate (MOD10A1 MYD10A1) cover products a small experimental catchment extensive course forest tested the Jalovecky creek (northern Slovakia) period 2000–2011. results show that combined Terra Aqua images enable an...

10.5194/hess-16-2365-2012 article EN cc-by Hydrology and earth system sciences 2012-07-30

This study tested the hypothesis that changes in hydrophysical parameters and heterogeneity of water flow an aeolian sandy soil have same trend as process succession. Three sub-sites were demarcated at area about 50 m x m. The first sub-site was located pine-forest glade covered with a biological crust represented initial stage second grassland more advanced third pine forest 30-year old Scots pines (close to climax) surface compared cm depth, which served control because it had similar...

10.2478/v10098-012-0027-y article EN cc-by-nc-nd Journal of Hydrology and Hydromechanics 2012-12-01

Abstract The analysis of the stable isotopic composition hydrogen and oxygen in water samples from soils plants can help to identify sources vegetation uptake. This approach requires that heterogeneous nature plant soil matrices is carefully accounted for during experimental design, sample collection, extraction analyses. comparability shortcomings different methods extracting analyzing have been discussed specialized literature. Yet, despite insightful comparisons benchmarking methodologies...

10.1002/wat2.1727 article EN cc-by Wiley Interdisciplinary Reviews Water 2024-03-05

CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 73:57-71 (2017) - DOI: https://doi.org/10.3354/cr01461 Forest ecosystem services affected by natural disturbances, climate and land-use changes in Tatra Mountains Peter Fleischer1,2, Viliam Pichler1, Fleischer Jr.1, Ladislav Holko3, František Máliš1,4, Erika Gömöryová1,*, Pavel Cudlín5, Jan Holeksa6, Zuzana Michalová7, Homolová2,...

10.3354/cr01461 article EN Climate Research 2017-03-13

Recent improvements in satellite-based soil moisture mapping (higher spatial and temporal resolution) add value to using remotely sensed estimates many hydrological applications (e.g. flood forecasting, drought monitoring, understanding climate change impacts, etc.). However, further analyses are required validate these data sets reasonably an alpine environment. This study aims (1) compare satellite-derived ASCAT-DIREX with situ surface measurements the well-documented experimental...

10.5194/egusphere-egu25-8736 preprint EN 2025-03-14

The Moderate Resolution Imaging Spectroradiometer (MODIS) snow cover product is well-suited for hydrological applications due to its reliable accuracy and daily accessibility. However, the MODIS anticipated be replaced by Visible Infrared Radiometer Suite (VIIRS) soon. Therefore, a thorough accurate evaluation of this essential ensure suitability future applications.This study aims assess VIIRS across Austria (observations at 631 climate stations) within small experimental catchment,...

10.5194/egusphere-egu25-8225 preprint EN 2025-03-14

Pines, used for sand dune stabilization, can influence the hydrophysical parameters and water flow in an aeolian sandy soil considerably, mainly due to repellency. Two sites, separated by distance of about 20 m, formed basis our study. A control ("Pure sand") with limited impact vegetation or organic matter was at 50 cm depth beneath a forest glade area. This compared "Forest soil" 30-year old Scots pine (Pinus sylvestris) forest. Most were substantially different between two surfaces. The...

10.2478/s11756-013-0254-7 article EN cc-by-nc-nd Biologia 2013-10-19

Abstract Stony soils are composed of fractions (rock fragments and fine soil) with different hydrophysical characteristics. Although they abundant in many catchments, their properties still not well understood. This article presents basic characteristics (texture, stoniness, saturated hydraulic conductivity, soil water retention) stony from a mountain catchment located the highest part Carpathian Mountains summarizes results flow modeling through hypothetical profile. Numerical simulations...

10.1515/johh-2015-0002 article EN cc-by-nc-nd Journal of Hydrology and Hydromechanics 2015-01-28

The article synthesizes available information on isotopic composition of precipitation in Slovakia (the Western Carpathians). Monthly δ 18 O data from eleven stations and period 1988-1997 were used to investigate correlations among the stations, altitude, air temperature amount effects. mean annual altitude gradients 0.21‰/100 m 0.36‰/1°C, respectively. Maps spatial distribution based both constructed. two maps do not significantly differ for majority Slovakia. 2 H only three stations. Local...

10.2478/v10098-012-0023-2 article EN cc-by-nc-nd Journal of Hydrology and Hydromechanics 2012-12-01

Abstract We modified a passive capillary sampler (PCS) to collect snowmelt water for isotopic analysis. Past applications of PCSs have been sample soil water, but the novel aspect this study was placement at ground‐snowpack interface snowmelt. deployed arrays 11 sites in ten partner countries on five continents representing range climate and snow cover worldwide. The PCS reliably collected all caused negligible evaporative fractionation effects samples. is low‐cost, easy install, collects...

10.1002/hyp.10273 article EN Hydrological Processes 2014-06-19

Abstract The article presents the results of analysis time series daily precipitation and runoff at selected places in highest part Western Carpathians. It was focused on both wet dry periods data series. were analysed for a period 1961-2010. They revealed significant increase number days with 40-60 mm. Trend 67 flow characteristics did not show statistically changes over studied period. focus given particularly to maximum minimum flows, i.e. 3- 7- day 1-, 7-day flows. We found an flows...

10.2478/congeo-2013-0010 article EN cc-by-nc-nd Contributions to Geophysics and Geodesy 2013-06-01

Abstract Spatial and temporal variability of snow line (SL) elevation, cover area (SCA) depletion (SCD) in winters 2001–2014 is investigated ten main Slovak river basins (the Western Carpathians). Daily satellite maps from MODIS Terra (MOD10A1, V005) Aqua (MYD10A1, with resolution 500 m are used. The results indicate three groups similar the SL elevation. first includes maximum elevations above 1500 a.s.l. (Poprad, Upper Váh, Hron, Hornád). Winter median equal or close to minimum basin...

10.1515/johh-2016-0011 article EN cc-by-nc-nd Journal of Hydrology and Hydromechanics 2016-01-26
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