A5037927126- Climate variability and models
- Meteorological Phenomena and Simulations
- Air Quality and Health Impacts
- Wind and Air Flow Studies
- Air Quality Monitoring and Forecasting
- Infrastructure Resilience and Vulnerability Analysis
- Atmospheric chemistry and aerosols
- Energy Load and Power Forecasting
- Tropical and Extratropical Cyclones Research
- Flood Risk Assessment and Management
- Fire effects on ecosystems
- Atmospheric and Environmental Gas Dynamics
- Hydrology and Drought Analysis
- Risk and Safety Analysis
- Global Energy and Sustainability Research
- Stock Market Forecasting Methods
- Solar Radiation and Photovoltaics
- Environmental Impact and Sustainability
- Time Series Analysis and Forecasting
- Disaster Management and Resilience
- Neural Networks and Applications
- Evacuation and Crowd Dynamics
- Noise Effects and Management
- Climate change impacts on agriculture
- Complex Systems and Time Series Analysis
National Centre of Scientific Research "Demokritos"
2016-2025
Institute of Nuclear & Radiological Sciences and Technology, Energy & Safety
2012-2025
National and Kapodistrian University of Athens
2022
University of Patras
2021
Center for Security Studies
2016
University of the Aegean
2013
University of Western Macedonia
2007-2011
Panteion University
2011
Institute of Nuclear and Particle Physics
2006
Abstract Extreme weather events have devastating impacts on human health, economic activities, ecosystems, and infrastructure. It is therefore crucial to anticipate extremes their allow for preparedness emergency measures. There indeed potential probabilistic subseasonal prediction time scales of several weeks many extreme events. Here we provide an overview predictability case studies some the most prominent across globe using ECMWF S2S system: heatwaves, cold spells, heavy precipitation...
The performance and the uncertainty of receptor models (RMs) were assessed in intercomparison exercises employing real-world synthetic input datasets. To that end, results obtained by different practitioners using ten RMs compared with a reference. In order to explain differences performances uncertainties approaches, apportioned mass, number sources, chemical profiles, contribution-to-species time trends sources all evaluated methodology described Belis et al. (2015). this study, 87% 344...
Fire occurrence and behaviour in Mediterranean-type ecosystems strongly depend on the air temperature wind conditions, amount of fuel load drought conditions that drastically increase flammability, particularly during summer period. In order to study fire danger due climate change for these ecosystems, meteorologically based Weather Index (FWI) can be used. The system, which is part Canadian Forest Danger Rating System (CFFDRS), has been validated recognized worldwide as one most trusted...
This paper introduces a climatic multi-hazard risk assessment for Greece, as the first-ever attempt to enhance scientific knowledge identification and definition of hazards, critical element risk-informed decision making. Building on an extensively validated climate database with very high spatial resolution (5 × 5 km2), detailed key hazards is performed that allows for: (a) analysis hazard dynamics their evolution due change (b) direct comparisons prioritization across Greece. The...
Abstract The present study investigated future temperature and precipitation changes over Greece using the Weather Research Forecasting (WRF) model. WRF was driven by EC-EARTH at very high resolution for historical period (1980–2004), along with projected simulations, in near (2025–2049) far (2075–2099) under Representative Concentration Pathways 4.5 (RCP4.5) 8.5 (RCP8.5). Climatic variables were produced 5-km grid spacing 6-h interval. simulation evaluated against available station...
Abstract: Climate crisis is well evidenced with important consequences at the local scale. Often, climate risk assessment and adaptation measures national or regional level do not account for impacts cross-sectoral challenges. This paper presents findings of a year-long study involving community Municipality Sitia in Crete (Greece) change policymaking. Three coherent workshops produced citizen-based revealed stakeholders’ perceptions about existing policies from Regional Change Adaptation...
Dam and Reservoir (D&R) systems during their long history suffered from hundreds of failures, whose mechanisms are accelerated by climate change. To assess the vulnerability D&R to change a methodology is presented based on literature that consistent with EC technical guidelines. This includes (i) typologization groups potential hazards, components systems, impacts hazards (ii) presentation indicators usually employed in systems. The facilitates its fast application...
Dam and reservoir (D&R) systems, during their long history, have suffered from hundreds of failures, whose mechanisms been accelerated by climate change hazards. The following research question is posed: “which are the potentially significant hazards D&R systems?” To answer this question, vulnerability systems to assessed via a typologized methodology that consistent with technical guidelines European Commission on proofing infrastructure. main steps methodology, which (1)...
This paper presents the development of a novel clustering algorithm and its application in time series forecasting. The common use algorithms is to discover groups sets data with characteristic their proximity. property used by several hybrid forecasting that additionally employ function approximation technique model interactions within each cluster. proposed (HCA) analysis oriented based on an iterative procedure creates whose they are best described same linear relationship. A...
Future fire weather conditions under climate change were investigated based on the Fire Weather Index (FWI), Initial Spread (ISI) and threshold-specific indicators in Greece. The indices calculated from datasets derived high-resolution validated simulations of 5 km. dynamical downscaled with WRF model driven by EC-Earth output for historical (1980–2004) future periods, two Representative Concentration Pathways (RCPs), RCP4.5 8.5. analysis showed that FWI is expected to increase...
Future changes in drought characteristics Greece were investigated using dynamically downscaled high-resolution simulations of 5 km. The Weather Research and Forecasting model driven by EC-EARTH output for historical future periods, under Representative Concentration Pathways 4.5 8.5. For the analysis, standardized precipitation index (SPI) precipitation-evapotranspiration (SPEI) calculated. This work contributed to achieve an improved characterization expected Greece. Overall, results...