In response to the evolving COVID-19 pandemic, the City of Chicago has joined the State of Illinois in issuing a Stay at Home order effective Saturday, March 21st at 5pm CT. In addition, City of Chicago facilities are closed to the public. Staff are prioritizing essential services to protect the health and safety of our residents and employees. As such, we may be delayed in responding to non-essential inquiries and service requests. To stay up to date on the City of Chicago’s COVID-19 response, please visit the City Coronavirus Response Center site.
The City of Chicago's Green Roof dataset and corresponding map provides the location, satellite images, and square footage of existing green roofs within the City of Chicago.
The methodology involved the acquisition of high resolution multispectral imagery dataset from September 2013, modification of the City’s existing building footprint data, powerful image processing, feature extraction within Idrisi Selva, and manual review of Idrisi output and available imagery.
The result produced three City-wide geospatial datasets providing a snapshot of green roofs within the City limits. The results of the analysis include overall count of vegetated roofs and their total square footage. The study identified: