Table 1.
Summary of co-located aerosol (IMPROVE) and precipitation (NADP/NTN) data used with coordinates, altitudes, and range of full years in which data are analyzed. The location of sites is shown in Fig. 1. “NP” and “NM” refer to National Park and National Monument, respectively. Altitudes are ASL.
| Station | State | Lat(°) | Lon (°) | Alt (m) | Data analysis range |
|---|---|---|---|---|---|
| Mesa Verde NP (NTN) | CO | 37.198 | –108.491 | 2162 | 1995–2010 |
| Mesa Verde NP (IMPROVE) | CO | 37.198 | –108.491 | 2172 | |
| Chiricahua (NTN) | AZ | 32.010 | –109.389 | 1570 | 2000–2010 |
| Chiricahua NM (IMPROVE) | AZ | 32.009 | –109.389 | 1555 | |
| Organ Pipe Cactus NM (NTN) | AZ | 31.949 | –112.802 | 501 | 2003–2010 |
| Organ Pipe (IMPROVE) | AZ | 31.951 | –112.802 | 504 | |
| Bryce Canyon NP (NTN) | UT | 37.619 | –112.173 | 2477 | 1995–2010 |
| Bryce Canyon NP (IMPROVE) | UT | 37.618 | –112.174 | 2481 | |
| Gila Cliff Dwellings NM (NTN) | NM | 33.220 | –108.235 | 1772 | 1995–2010 |
| Gila Wilderness (IMPROVE) | NM | 33.220 | –108.235 | 1776 | |
| Bandelier NM (NTN) | NM | 35.779 | –106.266 | 1997 | 1995–2010 |
| Bandelier NM (IMPROVE) | NM | 35.780 | –106.266 | 1988 |