Modeling and observations to detect neighborhood scale heat islands and inform effective countermeasures in Los Angeles



Lawrence Berkeley National Laboratory, University of Southern California, and Altostratus




This scientific study for California's 4th Climate Change Assessment examines air temperature variations in urban heat islands (UHIs) and urban cool islands (UCIs) and their relationship to land-use and land-cover properties in the Los Angeles Basin. Using fine-resolution climate models and calibrated meteorological models, the study provides evidence that increases in roof albedo at neighborhood scale are associated with reductions in near-surface air temperature. Interested stakeholders and researchers can use the models and methodology used in the study to characterize the intra-urban microclimate variations elsewhere in California, and can apply them to analyze the benefits from deploying UHI countermeasures.

Climate Impact Tags

Extreme heat

Adaptation Planning Guide Phases

Phase 1: Define, Explore, and Initiate Phase 2: Assess Vulnerability Phase 3: Define Adaptation Framework and Strategies

Resource Type Tags

Scientific study


Extent: Los Angeles


Last updated: April 18, 2024