| Table 2. GM-WICS Data Sets | |||||
| (Bold data sets available at http://www.gm-wics.sr.unh.edu/html/download.html) | |||||
| Static Variables | Source | Country | Resolution | Temporal | Time Step |
| or # of Stations | Domain | ||||
| Elevation | USGS GTOPO30 (30 arc second) digital elevation model | US & Canada | 2 arc-minute | NA | NA |
| STN-2min River Network* | 2 arc-minute Elevation grid | US & Canada | 2 arc-minute | NA | NA |
| Land Cover | 1 km2 AVHRR - North American Land Cover Characteristics Database | US & Canada | 2 arc-minute | 1992-93 | NA |
| Soils | FAO Digital Soil Map of the World | US & Canada | 2 arc-minute | NA | NA |
| Time Varying Variables | |||||
| Precipitation | NCDC Cooperative Summary of the Day | United States | 356 | 1970-99 | Monthly |
| Environment Canada Climate Normals | Canada | 798 | 1970-99 | Monthly | |
| Air Temperature | NCDC Cooperative Summary of the Day | United States | 220 | 1970-99 | Monthly |
| Environment Canada Climate Normals | Canada | 693 | 1970-99 | Monthly | |
| Snowfall | NCDC Cooperative Summary of the Day | United States | 293 | 1970-99 | Monthly |
| Environment Canada Climate Normals | Canada | 34 | 1943-82 | Monthly | |
| Discharge | USGS NWIS-W Archive | United States | 132 | 1850-1998 | Daily |
| Environment Canada HY-DAT CD | Canada | 64 | 1920-98 | Daily | |
| Real Time Discharge | USGS Real-Time Web Sites | United States | 106 | 11/1999 - present | Daily |
| NA | Canada | NA | NA | NA | |
| Atmospheric Deposition | NADP Database | United States | 25 | 1978-99 | Weekly |
| Environment Canada Air Quality Research Branch | Canada | 39 | 1983-99 | Daily | |
| Water Quality | USGS Water-Quality Monitoring Network | United States | 35 | 1965-1995 | Monthly |
| Environment Canada Envirodat Database | Canada | NA | NA | NA | |
| * The Simulated Topological Network (STN) was created from the 2 arc-minute mean elevation grid. | |||||