Andreas Platis
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View article: Enhancing High Resolution Atmospheric Profiling Using UAS: Deployment and Validation of the PARASITE Sensor Package
Enhancing High Resolution Atmospheric Profiling Using UAS: Deployment and Validation of the PARASITE Sensor Package Open
Uncrewed Aircraft Systems (UAS) are an invaluable tool for atmospheric profiling due to their mobility and capability to operate in the lower atmosphere and boundary layer. These regions represent an observational gap between ground-based …
View article: Combined measurement of Saharan dust, meteorological variables and space charge with the uncrewed aircraft system MASC-3 over Cyprus
Combined measurement of Saharan dust, meteorological variables and space charge with the uncrewed aircraft system MASC-3 over Cyprus Open
Mineral dust, especially Saharan dust, has a significant impact on atmospheric processes by influencing radiative forcing and cloud formation. To improve the representation of dust events in numerical weather prediction models, high-resolu…
View article: In Situ Uncrewed Aircraft Measurements of Turbulent Kinetic Energy over Heterogeneous Terrain
In Situ Uncrewed Aircraft Measurements of Turbulent Kinetic Energy over Heterogeneous Terrain Open
Turbulent kinetic energy (TKE) is a key variable in understanding the energy dynamics within the atmospheric boundary layer. Accurate characterization of TKE is crucial for several applications, especially in regions characterized by compl…
View article: A continental approach to estimate the area required for proposed wind-power parks and their overlap with protected areas in Africa
A continental approach to estimate the area required for proposed wind-power parks and their overlap with protected areas in Africa Open
Wind energy (WE) is one of the key renewable energy technologies required to transform the energy sector to reduce climate change. In the global expansion of WE, one main concern is that wind-power parks (WPPs) take up large areas of land,…
View article: A continental approach to estimate the area required for proposed wind-power parks and their overlap with protected areas in Africa
A continental approach to estimate the area required for proposed wind-power parks and their overlap with protected areas in Africa Open
Wind energy is one of the key renewable energy technologies required to transform the energy sector to reduce climate change. In the global expansion of wind energy, one main concern is that wind-power parks (WPPs) take up large areas of l…
View article: Evaluation of Engineering Models for Large‐Scale Cluster Wakes With the Help of In Situ Airborne Measurements
Evaluation of Engineering Models for Large‐Scale Cluster Wakes With the Help of In Situ Airborne Measurements Open
The planned expansion of wind energy in the German Bight is creating much more densely staggered wind farms and wind farm clusters. This results in a significantly greater influence of the generated wakes on energy production of neighborin…
View article: <i>In-situ</i> observations of charged Saharan dust from an uncrewed aircraft system
<i>In-situ</i> observations of charged Saharan dust from an uncrewed aircraft system Open
Mineral dust from the Sahara desert can travel long distances at high altitudes, perturbing the energy budget of the atmosphere. Charging of dust has been observed to occur near the surface through triboelectric charging during dust loftin…
View article: Nitrogen Dioxide (NO2) and Particle Measurements within Cities using a Multi-Rotor Uncrewed Aerial System
Nitrogen Dioxide (NO2) and Particle Measurements within Cities using a Multi-Rotor Uncrewed Aerial System Open
Recent urban development trends have increased focus on air quality, drawing significant attention from the public, media, and policymakers. Key pollutants such as particulate matter and nitrogen dioxide (NO2) - primarily emitted by vehicl…
View article: Assessment of Engineering Models for Large-Scale Cluster Wakes Using In Situ Airborne Measurements
Assessment of Engineering Models for Large-Scale Cluster Wakes Using In Situ Airborne Measurements Open
Germany is to be climate-neutral by 2045, with important interim targets set for 2030. This includes a 65% reduction in greenhouse gas emissions compared to 1990 and a significant increase in the proportion of renewable energies in the ele…
View article: In-situ measurements of Saharan dust concentrations and charge over Cyprus with an uncrewed aircraft system
In-situ measurements of Saharan dust concentrations and charge over Cyprus with an uncrewed aircraft system Open
Mineral dust is one of the biggest contributors of particulate matter in the atmosphere, and its transport as well as atmospheric implications has been a topic of interest for the last few decades. Still, mineral dust dynamics are often no…
View article: In-situ Saharan dust observations over the Eastern Mediterranean with an uncrewed aircraft system
In-situ Saharan dust observations over the Eastern Mediterranean with an uncrewed aircraft system Open
The Saharan desert is the main source of mineral dust in the atmosphere, and its presence in the air can have a significant impact on the solar radiation budget. In evaluating the radiative effect of airborne mineral dust, aerosol charge m…
View article: Horizontal and vertical wind speed sampling using multirotor UAS aircraft
Horizontal and vertical wind speed sampling using multirotor UAS aircraft Open
The utilization of multirotor UAS aircraft for atmospheric data collection is an expanding field, and one method employed for measuring atmospheric wind speed is the tilt angle method. This method correlates the tilt angle assumed by the m…
View article: Small-Scale Diffusion Dryer on an Optical Particle Counter for High-Humidity Aerosol Measurements with an Uncrewed Aircraft System
Small-Scale Diffusion Dryer on an Optical Particle Counter for High-Humidity Aerosol Measurements with an Uncrewed Aircraft System Open
The negative effects of relative humidity to measurements of particulate matter (PM) due to hygroscopic growth are often not inherently handled by low-cost optical particle counters (OPCs). This study presents a new approach in constructin…
View article: Calculation of aerosol particle hygroscopic properties from OPC derived PM2.5 data
Calculation of aerosol particle hygroscopic properties from OPC derived PM2.5 data Open
Hygroscopic growth of aerosol particles due to increasing relative humidity in the atmosphere is characterized by their hygroscopicity parameter κ and their hygroscopic growth factor GF. A technique to calculate the two using PM2.5 data fr…
View article: Towards higher accuracy in wind farm deficit decay modelling – a comparison
Towards higher accuracy in wind farm deficit decay modelling – a comparison Open
Wind farm wake behaviour and forecasting is gaining the importance recently. It is especially relevant in the German Bight where space for wind farm clusters is limited, and wind farm wake lengths of up to 60 km have been measured. In this…
View article: FESSTVaL: The Field Experiment on Submesoscale Spatio-Temporal Variability in Lindenberg
FESSTVaL: The Field Experiment on Submesoscale Spatio-Temporal Variability in Lindenberg Open
Numerical weather prediction models operate on grid spacings of a few kilometers, where deep convection begins to become resolvable. Around this scale, the emergence of coherent structures in the planetary boundary layer, often hypothesize…
View article: Development of an airfoil-based passive volumetric air sampling and flow control system for fixed-wing UAS
Development of an airfoil-based passive volumetric air sampling and flow control system for fixed-wing UAS Open
This study aims to develop a concept of a passive volumetric flow control system for gas sampling applications onboard fixed-wing UAS based on the pressure field around airfoils. The passive flow control system utilizes the aerodynamics of…
View article: Turbulence structures and entrainment length scales in large offshore wind farms
Turbulence structures and entrainment length scales in large offshore wind farms Open
The flow inside and around large offshore wind farms can range from smaller structures associated with the mechanical turbulence generated by wind turbines to larger structures indicative of the mesoscale flow. In this study, we explore th…
View article: Comment on wes-2022-69
Comment on wes-2022-69 Open
Abstract. The flow inside and around large offshore wind farms can range from smaller structures associated with the mechanical turbulence generated by wind turbines to larger structures indicative of the mesoscale flow. In this study, we …
View article: Seasonal Changes in Boundary-Layer Flow Over a Forested Escarpment Measured by an Uncrewed Aircraft System
Seasonal Changes in Boundary-Layer Flow Over a Forested Escarpment Measured by an Uncrewed Aircraft System Open
The uncrewed airborne measurement platform MASC-3 (Multi-Purpose Airborne Sensor Carrier) is used to measure the influence of a forested escarpment with differing leaf area indices ( LAI ) onto the wind field. Data from flight legs between…
View article: Turbulence structures and entrainment length scales in large offshore wind farms
Turbulence structures and entrainment length scales in large offshore wind farms Open
The flow inside and around large offshore wind farms can range from smaller structures associated with the mechanical turbulence generated by wind turbines to larger structures indicative of the mesoscale flow. In this study, we explore th…
View article: The Unmanned Multipurpose Airborne Sensor Carrier MASC-V for Offshore Wind Energy Research
The Unmanned Multipurpose Airborne Sensor Carrier MASC-V for Offshore Wind Energy Research Open
<p>The Multipurpose Airborne Sensor Carrier (MASC) is a fixed-wing unmanned aircraft system (UAS) that has been continuously developed and used for in-situ, high-resolution flight measurements of atmospheric variables such as wind, t…
View article: Influence of offshore wind farms on the latent heat flux in the marine boundary layer
Influence of offshore wind farms on the latent heat flux in the marine boundary layer Open
<p>Unique airborne in-situ measurements were evaluated to investigate the influence of offshore wind farms on the latent heat flux in the marine boundary layer. 21 of the total 42 measurement flights carried out in the framework of t…
View article: UnLuBW - Pollutant monitoring through technological development of UAS applications
UnLuBW - Pollutant monitoring through technological development of UAS applications Open
<p><em>In recent years, air quality in cities has increasingly become the focus of social, media and political attention. Studies classify particulate matter and nitrogen oxides in particular as harmful to health, which are cau…
View article: Small and Lightweight Gas Measurement System for Unmanned Fixed-Wing Research Aircrafts
Small and Lightweight Gas Measurement System for Unmanned Fixed-Wing Research Aircrafts Open
<p>&#160;</p><p>The ability to reduce CO2 and other gas emissions to meet global emission targets and air quality standards also requires measuring gas sources and sinks and gas transport mechanisms with the highest p…
View article: Validation of Doppler wind LiDARs of the German Weather Service (DWD) using small unmanned aerial systems ( UAS )
Validation of Doppler wind LiDARs of the German Weather Service (DWD) using small unmanned aerial systems ( UAS ) Open
<p>Doppler wind lidar systems are an indispensable tool for the observation of the atmospheric boundary layer. With varying atmospheric conditions in the boundary layer the performance and availability of these systems varies. In ord…
View article: Comment on amt-2022-113
Comment on amt-2022-113 Open
The determination of the wind profile of the lower atmospheric boundary layer is an important aspect of meteorology and wind energy science. A suitable tool to capture the wind profile is the usage of small unmanned aircraft systems (UAS).…
View article: Turbulence above offshore wind farms measured by aircraft
Turbulence above offshore wind farms measured by aircraft Open
The flow inside and around large offshore wind farms may range from smaller and shorter structures present due to the mechanical turbulence generated by wind turbines to larger, and longer structures indicative of the mesoscale flow. In th…
View article: A stand-alone calibration approach for attitude-based multi-copter wind measurement systems
A stand-alone calibration approach for attitude-based multi-copter wind measurement systems Open
The determination of the wind profile of the lower atmospheric boundary layer is an important aspect of meteorology and wind energy science. A suitable tool to capture the wind profile is the usage of small unmanned aircraft systems (UAS).…
View article: Coastal impacts on offshore wind farms – a review focussing on the German Bight area
Coastal impacts on offshore wind farms – a review focussing on the German Bight area Open
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