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  11. Local Climate Zones And Urban Morphology Dataset To Support Numerical Modelling In Greece, Utilizing Gis, Multispectral, And Sar Data

Local Climate Zones and urban morphology dataset to support numerical modelling in Greece, utilizing GIS, multispectral, and SAR data

Ilias Agathangelidis1, Christos Giannaros2, Constantinos Cartalis1

  • 1Department of Physics, National and Kapodistrian University of Athens, Athens, Greece.

Data in Brief
|July 4, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Detailed 100-meter Local Climate Zone (LCZ) maps and urban form parameters were created for Greece's five largest cities. This dataset enhances urban heat island modeling and climate change adaptation strategies.

Area of Science:

  • Environmental Science
  • Urban Climatology
  • Geographic Information Systems (GIS)

Background:

  • Urbanization and climate change exacerbate urban overheating, posing significant health and economic risks.
  • Accurate urban form representation is vital for advanced urban modeling and climate risk assessment.
  • The Local Climate Zones (LCZ) scheme is the standard for classifying urban areas by form and function.

Purpose of the Study:

  • To develop detailed 100-meter Local Climate Zone (LCZ) maps and key urban form parameters for the five most populated cities in Greece.
  • To create a dataset facilitating high-resolution numerical weather analysis and urban climate modeling.
  • To establish a foundation for an open-access national urban dataset for Greece.

Main Methods:

  • A hybrid GIS-based and remote sensing framework utilizing ultra-high-resolution elevation models (0.8 m) and Copernicus Earth Observation data.
Keywords:
Land coverLocal Climate ZonesNumerical modellingRemote sensing

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  • Integration of Copernicus datasets with synthetic aperture radar (SAR) for detailed urban form parameter extraction (building height, height-to-width ratio).
  • Development of WRF-compliant Land Use / Land Cover (LU/LC) data by merging LCZ classes with CORINE land cover information.

    • Main Results:

    • Creation of 100-meter resolution LCZ maps for Athens, Thessaloniki, Larissa, Patras, and Heraklion.
    • Inclusion of city-specific surface and urban canopy properties for each LCZ class within the dataset.
    • Seamless integration capability with the Weather Research and Forecasting (WRF) model for enhanced urban weather analysis.

    Conclusions:

    • The generated dataset provides an accurate description and modeling capability for urban environments in Greece.
    • This resource supports diverse applications, including urban planning and climate change adaptation.
    • The study represents a significant advancement towards a comprehensive, open-access national urban dataset for Greece.
    Urban climate