<p>This dataset includes greenspace exposure assessments at country, state, and county scales.</p>
<p>(1) Level0-country.shp: Country-level greenspace exposure assessment;</p>
<p>(2) Level1-state.shp: State-level greenspace exposure assessment;</p>
<p>(3) Level2-county.shp: County-level greenspace exposure assessment.</p>
<p><br></p>
<p>Key attributes in the shapefile data:</p>
<p>(1) GExpo100m: Greenspace exposure assessment using 100-m grid without considering nearby buffer zones;</p>
<p>(2) GExpo500m: Greenspace exposure assessment using a 500-m buffer disance;</p>
<p>(3) GExpo1km: Greenspace exposure assessment using a 1000-m buffer disance;</p>
<p>(4) GExpo1500m: Greenspace exposure assessment using a 1500-m buffer disance;</p>
<p>(5) GreenCover: Greenspace coverage assessment using a 500-m buffer disance;</p>
<p>(6) GExpo_Cove: Difference between greenspace exposure assessment and greenspace coverage assessment using a 500-m buffer distance;</p>
<p>(7) 1500_500Di: Different btweeen greenspace exposure assessments using 1500-m and 500-m buffer distances.</p>
