Real-Time Urban Change Tracking System Developed by Scientists

Urban Pulse: A New Tool for Monitoring Urbanization

According to НВ — Техно: On June 17 at 11:00 PM, researchers from Yale University and the University of Connecticut unveiled Urban Pulse, an innovative platform that uses satellite imagery to monitor physical changes in cities in near real time. Detailed in a study published in the scientific journal PNAS, this tool analyzes urbanization across six major cities by leveraging years of data from NASA's Landsat and Sentinel-2 satellites.

Patterns of Urban Growth

Urban Pulse relies on data processing techniques, including the deep learning method CAPES. The system was tested in cities such as Seattle, Shenzhen, Lagos, Mumbai, Dubai, and Mexico City. The research identified three common urbanization patterns characterizing these cities:

• Urbanization occurs in bursts rather than steadily, meaning cities experience sharp spikes in construction activity during certain periods.
• Urbanization follows a cyclical pattern, with city districts undergoing phases of boom and slowdown.
• Different parts of a city develop asynchronously, which can create varied challenges for managing urban infrastructure.

The study also highlighted the impact of the COVID-19 pandemic on construction activity. It noted that the pandemic caused a synchronized global slowdown in construction. However, Shenzhen rebounded quickly thanks to strong government support, while Mumbai and Mexico City responded more slowly and less markedly. These findings underscore the importance of government interventions in sustaining urbanization processes, especially during global crises.

Urban Pulse holds significant potential for urban planning and infrastructure management by providing scientists and policymakers with up-to-date information on city changes. The use of satellite technology could help predict future infrastructure needs and respond to challenges driven by factors like pandemics or economic downturns. This, in turn, may lead to more efficient management of urban resources and an improved quality of life for city residents.