Table 2.
Main physical and sociodemographic characteristics of study cities
| City | Anchorage | Portland | Atlanta | Phoenix |
|---|---|---|---|---|
| Climate classification (Köppen) | Subarctic (Dsc) | Warm summer Mediterranean (Csb) | Humid subtropical (Cfa) | Hot desert (BWh) |
| Population | 291,538 | 653,115 | 498,044 | 1,680,992 |
| Population density (Km2) | 58 | 1739 | 5188 | 1255 |
| Precipitation (mm) | 422.5 | 914.5 | 1262.5 | 204 |
| Park acreage (2018) | 10,946 | 12,591 | 3867 | 43,609 |
| Park acres as % of land area | 39.90 | 15.70 | 4.60 | 14.30 |
| Total COVID-19 deaths (as of June 1, 2021) | 174 | 500 ~ | 1500 ~ | 7500 ~ |
| Total COVID-19 cases (as of June 1, 2021) | 30,556 | 31,808 | 150,000 ~ | 275,000 ~ |