The CityCLIM consortium made significant strides in 2022 towards developing urban climate solutions tailored to the unique needs of cities facing climate change. Several deliverables were completed, including updates on ongoing projects and new frameworks for future development.
Key Deliverables and Reports
By the end of 2022, CityCLIM successfully submitted several crucial reports and deliverables that reflect the consortium's progress:
D9.1 - Quality Assurance Plan: This document outlines the quality assurance measures put in place to ensure the integrity and reliability of all project outputs.
D8.2 - Dissemination and Communication Efforts Update: This report provides an overview of the consortium’s activities in promoting and communicating the project’s progress and findings to stakeholders and the public.
D1.4 - CityCLIM Framework Report: This document details the development and progress of the CityCLIM framework, which is essential for the integration and functionality of city climate services.
Progress in the Development of the City Climate Platform
The CityCLIM consortium has been focusing on developing the conceptual framework for the General City Climate Platform (GCCP) and the City Climate Services (CCS). Additionally, the team has worked on defining the specifications and infrastructure setup for all participating pilot cities.
Technical partners—OHB Digital Solutions GmbH (OHB-DIG), OHB Digital Services GmbH (OHB-DS), OHB System AG (OHB-SYS), Meteologix AG/Kachelmann GmbH (MTL), and Helmholtz-Zentrum für Umweltforschung GmbH (UFZ)—held numerous meetings with representatives from the four pilot cities: Valencia, the Region of Central Macedonia, Luxembourg City, and Karlsruhe. These discussions aimed to understand the existing infrastructural conditions in each city. Key considerations included the availability of weather and air quality sensors, 3D city models, special land-use datasets, cadastre data, emission data, and more.
Determining Data Requirements and Services for Pilot Cities
An initial effort focused on identifying existing data that could serve as "ground truth" input for the UltraHD model, ensuring effective use of resources. Following this, a "wish list" was established for each pilot city to identify their specific needs and determine which climate services would best help them address climate change-related challenges affecting their citizens and infrastructure.
The outcomes of this needs analysis, along with a detailed description of existing data streams and plans for future development, are documented in D7.2.
Development of the Model Viewer and GCCP
The consortium is currently developing a Model Viewer—a Software-as-a-Service (SAAS) tool that allows pilot cities to browse through the output from operational model runs and adjust parameters and time steps. This viewer will enable cities to access their model runs, such as the Heat-Wave-Information Service.
With the maturity of post-processing algorithms for weather model outputs, the integration of statistical analysis for local urban areas has also begun, focusing on visualizations and aggregated model runs. The immediate focus is on finalizing early prototypes of graphical user interfaces for the web application and designing the architecture of the Generic City Climate Platform.
Heat Island Simulation and Mitigation Strategies Service
In addition to the UltraHD-based services, OHB System AG has developed a concept for a Heat Island Simulation and Mitigation Strategies Service. This scenario tool, based on operational Earth Observation data, allows city administrators and the public to explore how changes in urban characteristics—such as surface materials, urban greenery, water surfaces, or building geometry—affect land surface temperature. The tool will be available for all four pilot cities at a 50-meter spatial resolution and has the potential for expansion to other interested cities.
Contributions to Scientific Conferences and Journals
CityCLIM's achievements have also been recognized in the academic community. Three abstracts by CityCLIM team members were accepted for presentations at the European Geosciences Union (EGU):
"Improving Efficiency of Citizen Science Projects by Targeted Activation of Selected Stakeholder Groups" by Christine Liang et al. (UFZ)
"Comparison of Mobile Environmental Sensors for Citizen Science Based Climate Monitoring" by Felix Schmidt et al. (UFZ)
"CityCLIM - From an Operational City Weather Forecast to a Suite of Services Addressing the Urban Environment" by Stefan Horn and Janek Zimmer (MTL)
Furthermore, a special issue on CityCLIM was launched in "Frontiers" in January 2023, with the submission deadline set for July 18, 2023.
Looking Ahead
The CityCLIM consortium continues to make significant progress in developing tools and services that address the unique climate challenges of urban areas. With the ongoing development of the Model Viewer, the Generic City Climate Platform, and innovative solutions like the Heat Island Simulation Service, CityCLIM is at the forefront of empowering cities to adapt to climate change effectively. The collaboration among partners, the integration of cutting-edge technology, and the active engagement with pilot cities are key drivers of this success, ensuring a more resilient urban future.
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