Table 1 Webapp Map Layer Characteristics and Sources (Adapted by authors) [58]

Norfolk, Portsmouth, and Chesapeake K-12 Public Schools

Point locations for K-12 public schools

Hampton Roads Geospatial Exchange Online (HRGEO): K-12 Schools [59]

Grocery and Other Market Locations

Point locations for grocery store and market locations

ArcGIS Business Analyst [60]—Business and Facilities Search for Food Service Locations and Grocery and Other Locations by city using SafeGraph

Fast Food Locations

Point locations for limited-service restaurants

ArcGIS Business Analyst [60]—Business and Facilities Search for Food Service Locations and Grocery and Other Locations by city using SafeGraph

Convenience and Corner Store Locations

Point locations for convince and corner store locations

ArcGIS Business Analyst [60]—Business and Facilities Search for Food Service Locations and Grocery and Other Locations by city using SafeGraph

Foodbank and Food Pantry Locations

Point locations of addresses—Food Pantry Directory

Foodbank of Southeastern Virginia and the Eastern Shore [61]

Missing Food Locations

Point locations input based on LIFE Workshop

Participant input [58] and Healthy Chesapeake [62]

Areas of Need

Polygon layer for input based on LIFE Workshop

Participant Input [58]

Population

2020 U.S. Decennial Census—block level data

ArcGIS Online Living Atlas [63]

CDC Social Vulnerability Index

Social Vulnerability Index [64]—Socioeconomic Theme tract level data

CDC / Agency for Toxic Substances and Disease Registry

Hampton Roads Transit Routes and Bus Stops

Public transit network

HRGEO: Hampton Roads Public Transit Routes [65], HRGEO: Hampton Roads Public Transit Stops [66]

Low Income and Low Access Census Tracts at 1 and 16 km distance from a Grocery Location

Food Access Research Atlas [67]

USDA