2025 COMECAP 2025 - 80 articles
Urbanization in Cyprus has accelerated significantly over the past 35 years, driven by population growth, infrastructure development, and the expansion of urban centres. This rapid urban transformation has contributed to notable changes in the local...
This study investigates the long-term trends and variability of heatwaves in Greece, analyzing their frequency, duration, and intensity from 1960 to 2022 using high-quality meteorological data from the Hellenic National Meteorological Service. The re...
Dust plays a significant role in the atmospheric radiative balance by altering both shortwave and longwave radiation fluxes. While deserts are the primary sources of dust emissions, atmospheric circulation can transport dust over long distances, impa...
We present an example of how a doctoral network can bring together multidisciplinary expertise and novel scientific advances in atmospheric dust. This network (Dust-DN) has started operations and is a strategic alliance of high-profile partners, able...
This study explores an ongoing work for AI-driven framework for energy management and optimization within urban infrastructures, demonstrated through a case study in Trikala, Greece. The approach integrates smart monitoring systems, real-time analyti...
Soil erosion is a major threat to land productivity and environmental sustainability in Mediterranean regions, where sloping terrain, intense seasonal rainfall, and traditional agricultural practices accelerate soil loss. Olive orchards, which domina...
Flooding events have increased in frequency and severity worldwide in recent years, a trend that has been made worse by human activity and climate change. Floods are one of the world’s most dangerous natural catastrophes because of the serious...
Ground-based weather radars are essential to better understand precipitation systems, to improve the Quantitative Precipitation Estimation (QPE), and to subsequently provide input to hydrological models. However, reflectivity measured by radars is ty...
The topic proposal concerns the axes of climate operation and modification, the consequences and/or benefits of the flow of the economy, as well as the risks to social security, amidst the evolution of human interventions, which the Anthropocene high...
On 7 September 2024, a trough, situated over the Black Sea, in combination with a northeasterly outflow of a surface anticyclone over Russia, increased moisture and established an instability environment in Greece. Veering winds with height, in combi...
Climate change is disrupting nature, human lives, and infrastructure worldwide. Its effects are becoming more evident in every region, with IPCC reports warning of a warming world and an increase in extreme weather events. The scale and severity of c...
The daily maximum and minimum temperatures measured by the HNMS’s stations from 1960 to 2022, are used to compute percentile-based indices capturing the percentage of days below or above the 10th and 90th percentile, respectively (TN10p, TX10p,...
Etesian winds, the characteristic summer winds over large parts of Greece and the eastern Mediterranean, can cause coastal upwelling, especially over the eastern Aegean. The question that many studies address is whether these northern winds can cause...
This study investigates the sensitivity of an urban parameterization scheme of the Weather Research and Forecasting model (WRF). The model sensitivity is tested during the period April–May 2020 over the greater Paris region. The parent domain c...
The monthly variability of Upper Tropospheric Humidity with respect to ice (UTHi) is examined during the forty-year period 1979–2020. Trends per decade are calculated for every month separately and for 10° latitude bands. Statistical signif...
The Urban Heat Island (UHI) effect is responsible for increased urban temperatures compared to rural areas due to heat-absorbing materials like concrete and asphalt, worsening climate change impacts and creating thermal discomfort for citizens. Limit...
Cyprus is located between Europe, Asia and Africa, and its location is vulnerable to dust transport from the Sahara Desert, wildfire smoke particles from surrounding regions, and other anthropogenic emissions caused by several factors, mostly due to...
The Copernicus Atmosphere Monitoring Service (CAMS) offers a broad portfolio of global and regional atmospheric products that support environmental monitoring, air quality assessment, health applications and climate policy. Under the CAMS National Co...
The objective of this study is the statistical analysis of a six-year period (2019–2024) hit hailpad dataset over the area of Central Macedonia to define the temporal and spatial distributions of selected hail parameters based on hailpad networ...
Air quality is a vital factor for safeguarding public and environmental health. Particulate matter (i.e., PM2.5 and PM10) and nitrogen dioxide are among the most harmful air pollutants leading to severe health risks such as respiratory and cardiovasc...
This study focuses on Greece, providing a comprehensive climatological analysis of drought conditions from 1960 to 2022. The Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI) were employed on a...
Halcyon days are characterized by periods of one to three or more consecutive, typically sunny and mild days, occurring during winter (from 15 December to 15 February) in Attica, the region where Athens is located. We examined meteorological data fro...
The three-dimensional (3D) structure of clouds is a key factor in atmospheric processes, profoundly influencing solar radiation transfer, weather patterns, and climate dynamics. However, accurately representing this complex structure in radiative tra...
On September 7, 2024, a deep convection event was observed in Northern and Central Greece, and based on radar data analysis, three supercells were identified. One of these, the most intense with maximum radar reflectivity of 68 dBZ, had a lifetime of...
This research develops a reliable methodology for estimating minimum temperature distribution in agricultural areas, focusing on frost conditions threatening crop production. The data was collected across the plain of Krya Vrysi in Central Macedonia....
The aim of this research is to examine the relationship between hailstorm and hail intensity and describe their spatial distribution over the cultivation area of Central Macedonia, as captured by weather radar and hailpad data during six hail suppres...
Wildfire detection remains a critical challenge for authorities, with human activity being the leading cause. The historical conditions prevailing in burned forest areas require a comprehensive analysis at both the environmental and anthropogenic lev...
This study investigates long-term thermal discomfort trends in central Athens, from 1901 to 2024, using hourly data from Thissio station. Two widely used indices, Thom’s Discomfort Index and Humidex, assess human thermal sensation. Results indi...
This study investigates the involvement of the Hellenic Police in the management of natural disasters. The legislation governing police participation in disaster management in Greece is based on the general framework of civil protection policy, outli...
Cyprus faces mounting pressure on freshwater resources from climate change, recurrent drought, and rising demand. This study evaluates the feasibility of a rain enhancement program through cloud seeding, integrating long-term rain gauge records (1991...
Assimilation of weather radar data, as well as additional data like lightning data, in high-resolution weather forecast models is a promising method to improve short-term forecasting (nowcasting) of flash-flood events. A data assimilation system base...
The study explores long-term changes in the maximum number of consecutive hours per day of heat-related discomfort in Athens over the period 1960–2024, using the Universal Thermal Climate Index (UTCI). This index includes a four-category scale...
Anthropogenic alterations of the land surface through activities such as agriculture, forestry and urban development represent important human-induced forcings on the Earth’s climate system. This study, conducted in the framework of the UpClim...
Aratus’ poem Phaenomena, and particularly its second part commonly known as Diosemeia (Signs from Zeus), offers a compelling blend of poetic narrative and proto-scientific observation. Composed in the 3rd century B.C., the work reflects the Hel...
Tourism in Greece is directly influenced by bioclimatic conditions, with thermal comfort being a key determinant of destination suitability. This study quantifies projected changes in outdoor thermal stress across 25 representative Greek tourism loca...
Urbanization and intensified human activity have significantly impacted city climates, amplifying the urban heat island effect and increasing thermal stress on residents. This study focuses on the design of a pocket park in the Municipality of Kallit...
This study assesses the biometeorological conditions in the Ancient Olive Grove Campus of the University of West Attica, near central Athens, to evaluate human thermal comfort in an urban green space. Hourly calculations of the Universal Thermal Clim...
This study investigates the variations in the PM2.5 particles in a baghouse filter unit under variable airflow conditions. PM2.5 emissions originate from the insect repellents commonly used in homes during warmer months, potentially affecting human h...
Climate change is inducing new and increasing existing hazards that can cascade from one system or region to another affecting communities, ecosystems and various sectors of the economy. In 2022 Greece has incorporated the national climate law descri...
Atmospheric aerosols impact environmental quality and health, requiring accurate quantification. This study employed the PMeye scanning LiDAR, a UV system operating at 355 nm by Raymetrics S.A. for continuous, high-resolution monitoring in two campai...
To effectively adapt the agricultural sector to the threats posed by climate change, it is essential to provide tools to establish a link between climate conditions and crops. The olive is a significant crop in the Mediterranean area. Although highly...
The densely populated city of Athens has been facing air pollution problems over the past few decades due to the high population density associated with an intense emission load constrained by the local topography causing poor ventilation. In this st...
Transportation accounts for about 20% of Europe’s CO2 emissions, significantly affecting urban air quality and public health. Electric vehicles (EVs)—particularly BEVs and PHEVs—offer a solution by reducing local pollutants and nois...
AtmoHub, the Greek Copernicus National Collaboration Programme (NCP) gateway, delivers daily air quality forecasts aligned with the EC Air Quality Directives and provides in situ measurements for key pollutants (NO2, O3, PM10, PM2.5, SO2), as well as...
Extreme rainfall events are frequently associated with regions of complex topography, where terrain-induced convergence and uplift enhance storm development. Understanding the interaction between surface relief and atmospheric dynamics is essential f...
Climate change is an ongoing threat to heritage assets with compound climate extremes. Risk assessment and vulnerability approach show the consistent deterioration of ancient monuments. This study focuses on the open-air Greek theatre, a recognizable...
The CYGMEN (Cyprus GNSS Meteorology Enhancement) infrastructure project aims to establish a meteorological cluster (CyMETEO) in Cyprus of a lightning detection network, a dense GNSS (Global Navigation Satellite System) network for atmospheric water v...
An analysis was conducted using AERONET Inversion Data at Thessaloniki and Leipzig stations. Aerosol type plays a vital role in determining their ability to act as CCN or INP, as properties such as chemical composition, morphology, and particle size...
As cities grow, natural surfaces are replaced by heat-retaining materials, raising urban temperatures and intensifying heatwave impacts. The present study investigates the effectiveness of urban greening strategies, including green roofs, street vege...
Accurate forecasting of the Capacity Factor (CF) of Photovoltaic (PV) systems is vital for optimizing energy output, grid stability, and economic performance. This study applies Artificial Neural Network (ANN) modeling in the MATLAB environment, usin...
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