The SWRC operates the Walnut Gulch Experimental Watershed in southeastern Arizona as an outdoor laboratory for studying semiarid rangeland hydrologic, ecosystem, climate, and erosion processes.

An overview of SWRC and WGEW research is provided in a downloadable brochure:   SWRC Brochure 

   WGEW Instrumentation Map     Santa Rita Instrumentation Map

  

 

Flume Locations

Note:  These are not survey-grade coordinates.

Watershed ID Structure Analog Digital Easting(m) Norting(m) Elevation(m) Area(acres)
1001 WGEW 1 1954-1999 2000-Present 580206 3510738 1227 36900
1002 WGEW 2 1953-1999 2000-Present 585357 3511395 1292 28100
1003 WGEW 3 1954-1999 2000-Present 589111 3511152 1335 2220
1004 WGEW 4 1954-1999 2000-Present 590422 3511788 1359 560
1005 WGEW 5 OSF 1959-1973 591802 3508596 1364 5510
1006 WGEW 6 1962-1999 2000-Present 589412 3510315 1345 23500
1007 WGEW 7 2000-Present 585334 3511251 1298 3340
1008 WGEW 8 1963-1989 590491 3510239 1347 3830
1009 WGEW 9 1967-1999 2000-Present 592281 3509686 1372 5830
1010 WGEW 10 1967-1999 2000-Present 592400 3509923 1372 4110
1011 WGEW 11 1963-1999 2000-Present 595224 3512227 1426 2035
1015 WGEW 15 1965-1999 2000-Present 590945 3509061 1355 5912
1101 WGEW 101 1962-1986 589680 3512456 3.2
1102 WGEW 102 1963-1999 2000-Present 589740 3512251 1360 3.6
1103 WGEW 103 1963-1999 2000-Present 589541 3512372 1362 9.1
1104 WGEW 104 1963-1999 2000-Present 589757 3512144 1350 11.2
1105 WGEW 105 1965-1986, 1992-1999 2000-Present 589521 3512390 1361 0.553
1106 WGEW 106 1965-1999 2000-Present 589636 3512232 1358 0.85
1112 WGEW 112 VNW 1962-1986, 1990-1999 2000-Present 600058 3511785 1513 4.6
1121 WGEW 121 1972-1999 2000-Present 591321 3510937 1359 13.4
1122 WGEW 122 SRF 1974-1988 593001 3512411 1403 2.4
1124 WGEW 124 1974-1998 593015 3512300 1396 5.4
1125 WGEW 125 1980-1999 2000-Present 589724 3510335 1336 14.6
1126 WGEW 126 2011-Present 599790 3511697 1503 2.45
1201 SRER 1 1975-1999 2000-Present 513001 3524599 1043 4.04
1202 SRER 2 1975-1999 2000-Present 512933 3524372 1046 4.37
1203 SRER 3 1975-1999 2000-Present 508195 3524179 969 6.81
1204 SRER 4 1975-1999 2000-Present 509035 3523954 897 4.88
1205 SRER 5 1975-1999 2000-Present 514020 3519985 1165 9.93
1206 SRER 6 1976-1999 2000-Present 513759 3519764 1155 7.6
1207 SRER 7 1976-1999 2000-Present 513934 3520100 1165 2.63
1208 SRER 8 1976-1999 2000-Present 513942 3520153 1161 2.77