Clement Lau, County of Los Angeles, Department of Parks and Recreation Mapping, Metrics, and Outreach Assessing Park Needs in America’s Most Populous County GEODESIGN SUMMIT 2017
Clement Lau, County of Los Angeles, Department of Parks and Recreation
Mapping, Metrics, and OutreachAssessing Park Needs in America’s Most Populous County
GEODESIGN SUMMIT
2017
www.lacountyparkneeds.org
Los Angeles Countywide
Comprehensive Park Needs Assessment
Executive Summary - Prezi
Process
Transparent Approach:
Study Area Development
Parks Definition
What was included in the analysis:• City, County parks including community parks,
neighborhood parks, pocket parks and tot lots
• City and County recreational facilities including swimming pools, recreation centers, gyms and skate parks
• Regional parks
• School recreation facilities with joint use agreements
• State Parks and open space areas with at least one active amenity
Parks Definition
What was not be included in the analysis:• Golf courses• Cemeteries• Plazas and public art installations• Beaches• Schools (except recreational facilities with joint
use agreements)• Open space areas with no active amenities
Analysis Overview
• Thiessen Service Areas and Analysis (Park Pressure)
• Analysis Grid
– Population distribution to grid
• Park Accessibility
• Park Needs Analysis
– Park Acre Need
– Distance to Nearest Park
– Population Density - Total Population
1. Identify Metric (Indicator)
2. Customize Methodology
3. Quantify Units of Analysis
4. Collect Data
Methodology (GreenScore)
5. Conduct Analysis
6. Set Thresholds
7. Summarize Findings
Thiessen Service Areas• Define individual areas of influence
around each park
• Parks surrounded by high density neighborhoods can be affected by “park congestion”
• Measured in park acres per 1,000 and users per acre within a defined park service area
Analysis Grid• Distribution of population to grid to
move population to where people actually
• Ability to more accurately analyze populations around parks
• Easy to summarize population data based on key metrics and geographies
Park Access Locations• Multiple access locations were
added to each park to accurately tie park access to the walkable network
Park Acre
Need (20%)
+
Park Distance
(20%)
+
Population
Density (60%)
Park Needs Analysis
Public Outreach• Toolkits – (186 created)
– GIS based maps and data summaries
– Community Profile
– Park Metrics
– Available Vacant Land
• Community Workshops (178 Held)
• Prioritized Project List– Prioritized Projects
– Deferred Maintenance
– Specialized Facilities
Public Outreach• Data Sharing
– Data Portal
• Web Mapping– Story Map
– Data Viewer
Story Maps: Was used to explain and summarize
the GIS analysis approach to the public
Layer Viewer: Created so that public could explore
the dataset use throughout the process
Data Portal : Data added to county data portal for
public use
LACountyParkNeeds.org
Clement Lau, County of Los Angeles, Department of Parks and Recreation
Mapping, Metrics, and OutreachAssessing Park Needs in America’s Most Populous County
GEODESIGN SUMMIT
2017