A5013888718- Urban Heat Island Mitigation
- Land Use and Ecosystem Services
- Remote Sensing and Land Use
- Urban Green Space and Health
- Building Energy and Comfort Optimization
- Remote Sensing in Agriculture
- Climate variability and models
- Climate Change and Health Impacts
- Impact of Light on Environment and Health
- Climate change and permafrost
- Remote-Sensing Image Classification
- Noise Effects and Management
- Species Distribution and Climate Change
- Cryospheric studies and observations
- Meteorological Phenomena and Simulations
- Coastal and Marine Management
- Air Quality Monitoring and Forecasting
- Medical Imaging Techniques and Applications
- Atmospheric and Environmental Gas Dynamics
- Geographic Information Systems Studies
- COVID-19 impact on air quality
- Air Quality and Health Impacts
- Regional Economic and Spatial Analysis
- Wind and Air Flow Studies
- Ecology, Conservation, and Geographical Studies
Ruhr University Bochum
2019-2024
University Hospitals of the Ruhr-University of Bochum
2022-2023
Universität Hamburg
2012-2021
ARC Centre of Excellence for Climate System Science
2021
University of Guelph
2021
UNSW Sydney
2021
Praxis für Hämatologie und Onkologie
2020
Nanjing University
2018
Clinical Research Organization
2010-2015
Infektionsmedizinisches Centrum Hamburg
2015
Abstract. The System for Automated Geoscientific Analyses (SAGA) is an open source geographic information system (GIS), mainly licensed under the GNU General Public License. Since its first release in 2004, SAGA has rapidly developed from a specialized tool digital terrain analysis to comprehensive and globally established GIS platform scientific modeling. coded C++ object oriented design runs several operating systems including Windows Linux. Key functional features of modular software...
Abstract. The System for Automated Geoscientific Analyses (SAGA) is an open-source Geographic Information (GIS), mainly licensed under the GNU General Public License. Since its first release in 2004, SAGA has rapidly developed from a specialized tool digital terrain analysis to comprehensive and globally established GIS platform scientific modeling. coded C++ object oriented design runs several operating systems including Windows Linux. Key functional features of modular organized software...
Progress in urban climate science is severely restricted by the lack of useful information that describes aspects form and function cities at a detailed spatial resolution. To overcome this shortcoming we are initiating an international effort to develop World Urban Database Access Portal Tools (WUDAPT) gather disseminate consistent manner for areas worldwide. The first step developing WUDAPT description based on Local Climate Zone (LCZ) scheme, which classifies natural landscapes into...
Abstract The World Urban Database and Access Portal Tools (WUDAPT) is an international community-based initiative to acquire disseminate climate relevant data on the physical geographies of cities for modeling analysis purposes. current lacuna globally consistent information a major impediment urban science toward informing developing mitigation adaptation strategies at scales. WUDAPT consists database portal system; its structured into hierarchy representing different levels detail, are...
Considerable progress was recently made in the determination of urban morphologies or structural types from different Earth observation (EO) datasets. A relevant field application for such methods is climatology, since specific produce distinct microclimates. However, and comparability are so far limited by variety typologies used description surfaces EO. In this study Local Climate Zones (LCZ), a system thermally homogenous structures introduced Stewart Oke, pixel-based classification...
Cities are major drivers of environmental change at all scales and especially risk from the ensuing effects, which include poor air quality, flooding heat waves. Typically, these issues studied on a city-by-city basis owing to spatial complexity built landscapes, local topography emission patterns. However, ensure knowledge sharing integrate local-scale processes with regional global scale modelling initiatives, there is pressing need for world-wide database cities that suited studies. In...
Since their introduction in 2012, Local Climate Zones (LCZs) emerged as a new standard for characterizing urban landscapes, providing holistic classification approach that takes into account micro-scale land-cover and associated physical properties. In 2015, part of the community-based World Urban Database Access Portal Tools (WUDAPT) project, protocol was developed enables mapping cities LCZs, using freely available data software packages, yet performed on local computing facilities. The...
Abstract. There is a scientific consensus on the need for spatially detailed information urban landscapes at global scale. These data can support range of environmental services, since cities are places intense resource consumption and waste generation concentrated infrastructure human settlement exposed to multiple hazards natural anthropogenic origin. In face climate change, also required explore future urbanization pathways design strategies in order lock long-term resilience...
Abstract Urban overheating, driven by global climate change and urban development, is a major contemporary challenge that substantially impacts livability sustainability. Overheating represents multifaceted threat to the well‐being, performance, health of individuals as well energy efficiency economy cities, it influenced complex interactions between building, city, scale climates. In recent decades, extensive discipline‐specific research has characterized heat assessed its implications on...
Abstract Warming trends in cities are influenced both by large-scale climate processes and local-scale urbanization. However, little is known about how surface warming of global differ from those characterized weather observations the rural background. Here, through statistical analyses satellite land temperatures (2002 to 2021), we find that mean trend 0.50 ± 0.20 K·decade −1 (mean one S.D.) urban core 2000-plus city clusters worldwide, 29% greater than for On average, background change...
Due to the scarcity of air temperature (Ta) observations, urban heat studies often rely on satellite-derived Land Surface Temperature (LST) characterise near-surface thermal environment. However, there remains a lack quantitative understanding how LST differs from Ta within areas and what are controlling factors their interaction. We use crowdsourced measurements in Sydney, Australia, combined with landscape data, Local Climate Zones (LCZ), high-resolution satellite imagery, machine learning...
Monitoring of (surface) urban heat islands (UHI) is possible through satellite remote sensing the land surface temperature (LST). Previous UHI studies are based on medium and high spatial resolution images, which in best-case scenario available about four times per day. This not adequate for monitoring diurnal development. High temporal LST data (a few measurements hour) over a whole city can be acquired by instruments onboard geostationary satellites. In northern Germany, pixels sized 3,300...
A one-year data set for the year 2015 of near-surface air temperature (T ), crowdsourced from 'Netatmo' citizen weather stations (CWS) in Berlin, Germany, and surroundings was analysed.The CWS set, which has been quality-checked filtered a previous study, consists T measurements several hundred CWS.It investigated (1) how are distributed among urban rural environments, as represented by 'local climate zones' (LCZ), (2) LCZ characterised along annual cycle concerning intra-LCZ variability,...
In this paper, we present the scientific outcomes of 2017 Data Fusion Contest organized by Image Analysis and Technical Committee IEEE Geoscience Remote Sensing Society. The was aimed at addressing problem local climate zones classification based on a multitemporal multimodal dataset, including image (Landsat 8 Sentinel-2) vector data (from OpenStreetMap). competition, separate geographical locations for training testing proposed solution, models that were accurate (assessed accuracy metrics...
Land surface temperature (LST) is an important parameter in various fields including hydrology, climatology, and geophysics. Its derivation by thermal infrared remote sensing has long tradition but despite substantial progress there remain limited data availability challenges like emissivity estimation, atmospheric correction, cloud contamination. The annual cycle (ATC) a promising approach to ease some of them. basic idea fit model the ATC derive parameters (ACP) been proposed before so far...
There is an urgent need for more detailed spatial information on cities globally that has been acquired using a standard method to facilitate comparison and the transfer of scientific practical knowledge between places. As part world urban database access portal tools (WUDAPT) initiative, simple workflow developed perform this task. Using freely available satellite imagery (Landsat) software (SAGA), WUDAPT characterizes settlements local climate zone (LCZ) scheme, which decomposes city into...
Abstract Although continental urban areas are relatively small, they major drivers of environmental change at local, regional and global scales. Moreover, especially vulnerable to these changes owing the concentration population their exposure a range hydro-meteorological hazards, emphasizing need for spatially detailed information on urbanized landscapes. These data be consistent in content scale provide holistic description layouts address different user needs. Here, we map United States...