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Addressing Lack of Park Space in Los Angeles

Addressing Lack of Park Space in Los Angeles. Ryan Johnson UP 206 Final Presentation March 14, 2011. The Issue. More than 70% of Angelenos lack park access within 1/4 mile of home .

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Addressing Lack of Park Space in Los Angeles

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  1. Addressing Lack of Park Space in Los Angeles Ryan Johnson UP 206 Final Presentation March 14, 2011

  2. The Issue • More than 70% of Angelenos lack park access within 1/4 mile of home. • In Los Angeles, white neighborhoods (>75% of residents) boast 31.8 acres of park space for every 1,000 people, compared with 0.6 acres in Latino neighborhoods. • Strong correlations between levels of physical activity and both ethnicity and poverty status.

  3. Objectives • Provide more green space in the City • Focus on West San Fernando Valley • Find suitable vacant lots for redevelopment along the LA River • Address equity and health concerns

  4. San Fernando Valley

  5. Southwest San Fernando Valley

  6. Location of Vacant Lots in SW SFV

  7. Option 1

  8. Option 2

  9. Option 3

  10. Model“Feature to Raster”

  11. Demographics

  12. Demographics

  13. Demographics/Income

  14. Hot Spot Analysis: Index • % Hispanic Population: (x2) • % Foreign Born (Non-Citizen): (x2) • Distance from Park (x2) • % of HH with No Vehicle (x1) • Population Density (x1) • % Under 18-years-old (x1) • Median HH Income (x1)

  15. Hot Spot Analysis

  16. Regional Comparison of Park Need

  17. Recommendations • Develop the vacant lot adjacent to Canoga High School • Collaborate with river revitalization organizations

  18. Metadata

  19. Skills used • Required: • Original Data: • The SW San Fernando Valley shapefile, from the larger LA Communities file • Measurement/Analysis: Maps 10a-c • Measured ½ mile from the vacant lots, then drew a circle around the lots. • Hotspot Analysis: Index of Park Need • Model: Slide 17 (Features to Rasters) • Metadata : Slide 18 • Others: • Inset Map • Geoprocessing: • Clipping– multiple • Dissolve – Dissolved the interior lines when making the SW SFV shapefile • Buffering: • Around the parks • Around vacant lots • Boundary sub-sets selections: Creating SW SFV neighborhood • “SwSFV” was derived by selecting tracts in the View from LA Communities shapefile and converting to a new shapefile • Attribute sub-sets selection: • Created the shapefile of vacant lots along LA River by selecting Lots within the SW SFV boundary that intersect with the LA River • Created new “LA River” shapefile by querying for “los angeles river” in the LA County Rivers file and exporting the result as a new shapefile • Point Graduated Symbol • Pct Under 18

  20. Sources • SimplyMap: demographic data • LA County: Parks shapefile, LA County Boundary, Rivers shapefile, vacant parcels • UCLA Mapshare (Freeway map) • US Census • ESRI • Sherer, Paul. (2003). “Why America Needs More City Parks and Open Space.” The Trust for Public Land.

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