Table 4.
Spatial validation of DPI maps.
| Recent and Potential Development Data | Data Type | Data Spatial Extent | Sample Size | DPI Overlap (% total) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Very high | High | Med- high | Med- low | Low | Very low | None | ||||
| CSP Plants123 | Points | North America | 5 |
4 (80%) |
0 (0%) |
0 (0%) |
0 (0%) |
0 (0%) |
0 (0%) |
1 (20%) |
| PV Plants123 | Points | North America | 2,238 |
124 (6%) |
488 (22%) |
1,446 (64%) |
115 (5%) |
1 (0%) |
0 (0%) |
65 (3%) |
|
Large PV Plants123 (i.e., capacity >=20 MW) |
Points | North America | 483 |
71 (15%) |
173 (36%) |
225 (47%) |
13 (3%) |
0 (0%) |
0 (0%) |
1 (0%) |
| Wind Farms123 | Points | North America | 411 |
175 (43%) |
171 (42%) |
37 (9%) |
2 (0%) |
1 (0%) |
0 (0%) |
25 (6%) |
| Hydropower124 | Points | Global | 2,231 |
457 (20%) |
511 (23%) |
637 (29%) |
316 (14%) |
169 (8%) |
141 (6%) |
NA |
|
Large Hydropower124 (i.e., capacity >=30 MW) |
Points | Global | 946 |
284 (30%) |
197 (21%) |
233 (25%) |
140 (15%) |
51 (5%) |
41 (4%) |
NA |
| Coal Permits126 | Polygons | US | 10,848 km2 |
9,458 (87%) |
805 (8%) |
126 (1%) |
0 (0%) |
0 (0%) |
0 (0%) |
459 (4%) |
| Oil and Gas Leases125 | Polygons | Western US | 74,150 km2 |
32,304 (44%) |
17,305 (23%) |
18,404 (25%) |
2,496 (3%) |
120 (0%) |
0 (0%) |
3,521 (5%) |
| Mining Claims125 | Polygons | Western US | 42,392 km2 |
15,430 (36%) |
14,601 (35%) |
9,675 (23%) |
2,209 (5%) |
188 (0%) |
51 (0%) |
256 (1%) |
| Crop Expansion127 | Pixels | Contiguous US | 83,686 km2 |
23,819 (29%) |
22,508 (27%) |
15,399 (18%) |
7,688 (9%) |
5,941 (7%) |
1,960 (2%) |
6,371 (8%) |
The percentage of overlap between mapped DPI classes and recent and potential development locations with information on data type, spatial extent, and sample sizes.