Chicago

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Author
cocadmin
Description
This map and corresponding dataset provide the location, satellite images and square footage of existing green roofs within the City of Chicago. This information is derived from an analysis of high-spatial resolution (50cm), pan-sharpened, ortho-rectified, 8-band multi-spectral satellite images collected by Digital Globe’s Worldview-2 satellite. The City supplied the consultant with a 2009 City boundary shapefile to determine the required extent of the imagery. Acquisition of three different strips of imagery corresponding to the satellite’s paths was required. These strips of imagery spanned three consecutive months and were collected in August 2010 (90% coverage), September 2010 (5% coverage) and October 2010 (5% coverage). The results of the analysis include overall count of vegetated roofs, their total square footage, and the ratio of required to elective vegetated roofs. A total of 359 vegetated roofs were identified within the City of Chicago. The total square footage of these vegetated roofs was calculated to be approximately 5,469,463 square feet. The ratio of required vegetated roofs to elective vegetative roofs was 297:62 (~5:1). The median size of the vegetated roofs was calculated to be 5,234 square feet.
Category
Environment & Sustainable Development
Tags
sustainability
Rating
Current value: 0 out of 5
Data Provided By
City of Chicago
Source Link
http://www.cityofchicago.org
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Size
  • 500x425

  • 760x646

  • 950x808

Custom Size

425x425 is the minimum size

The Socrata Open Data API (SODA) provides programmatic access to this dataset including the ability to filter, query, and aggregate data. For more more information, view the API docs for this dataset or visit our developer portal

API Endpoint:

Field Names:

ID
id
HOUSE_NUMBER
house_number
PRE_DIR
pre_dir
STREET_NAME
street_name
STREET_TYPE
street_type
FULL_ADDRESS_RANGE
full_address
BUILDING_NAME1
building_name1
BUILDING_NAME2
building_name2
MONTH_VIEW
month_view
TOTAL_ROOF_SQFT
total_roof_sqft
VEGETATED_SQFT
vegetated_sqft
FACT_SHEET
fact_sheet
LATITUDE
latitude
LONGITUDE
longitude
LOCATION
location
Boundaries - ZIP Codes
:@computed_region_rpca_8um6
Community Areas
:@computed_region_vrxf_vc4k
Zip Codes
:@computed_region_6mkv_f3dw
Census Tracts
:@computed_region_bdys_3d7i
Wards
:@computed_region_43wa_7qmu
:@computed_region_awaf_s7ux
:@computed_region_awaf_s7ux

Use OData to open the dataset in tools like Excel or Tableau. This provides a direct connection to the data that can be refreshed on-demand within the connected application.

Socrata OData documentation

Tableau users should select the OData v2 endpoint option.

OData V4 Endpoint:

OData V2 Endpoint:

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