200 likes | 270 Views
Spatial analysis for neighborhood accessibility. GIS Water Resources Anna Okola. Background. Demographic data useful and necessary part of transportation analysis and planning Transportation – service provision Accessibility
E N D
Spatial analysis for neighborhood accessibility GIS Water Resources Anna Okola
Background • Demographic data useful and necessary part of transportation analysis and planning • Transportation – service provision Accessibility • BTS - it is fundamentally concerned with the opportunity that an individual at a given location possesses to participate in a particular activity or set of activities
Data Sources • City of Austin (ftp site) • Texas State Data Center • Texas Department on Aging • Texas Department of Health
Land Use Patterns • Austin is a ‘residential’ city – almost 50% of developed land • 5% commercial & office space combined • 5% industrial • In 1990, about 80% of Austin was undeveloped, while 57% of developed land was residential. • Increase in industrial sector (1990 -
NURSING HOME EMS H HOSPITAL H HEALTH CLINIC Access to Health Facilities
Methodologies • Handy, • three methods for analysis • Cumulative opportunities • Gravity based models • Random utility theory Result - accessibility index
Summary • Presented visual respresentation of demographic data • Use of GIS for inventory purposes, to capture resource gaps • Future work - to include zone specific data to enable detailed analysis Questions ?