| A reconnaissance study of the effect of irrigated agriculture on water quality in the Ogallala Formation, central High Plains aquifer |
McMahon, P.B. |
U.S. Geological Survey, Fact Sheet no. FS-009-00, 6 pages |
2000 |
N/A
|
| Chapter 1, Sources--Quality of recently recharged water in the High Plains aquifer, pp. 22-48 <In>, McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L.; Water-quality assessment of the High Plains aquifer, 1999-2004 |
Dennehy, K.F.; Gurdak, J.J.; McMahon, P.B.; Stanton, J.S.; and Qi, S.L. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|
| Chapter 2, Transport--Linking the chemistry of recharge and the used resource in the High Plains aquifer, pp. 50-72, <In>, McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L.; Water-quality assessment of the High Plains aquifer, 1999-2004 |
McMahon, P.B.; and Bohlke, J.K. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|
| Chapter 3, Receptors--Quality of the used resource in the High Plains aquifer, pp. 74-104, <In>, McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L.; Water-quality assessment of the High Plains aquifer, 1999-2004 |
Bruce, B.W.; Gurdak, J.J.; and McMahon, P.B. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|
| Chapter 4, Water quality and the availability and sustainability of water supplies inthe High Plains aquifer, pp. 106-136, <In>, McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L.; Water-quality assessment of the High Plains aquifer, 1999-2004 |
Dennehy, K.F.; McMahon, P.B.; Gurdak, J.J.; and Bruce, B.W. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|
| Climate variability controls on saturated water and chemical movement, High Plains aquifer, USA |
Gurdak, J.J.; Hanson, R.T.; McMahon, P.B.; Bruce, B.W.; McCray, J.E.; Thyne, G.D.; and Reedy, R.C. |
Vadose Zone Journal vol. 6, no. 3, pp. 533-547 |
2007 |
N/A
|
| Evaluation of recharge fluxes to the High Plains aquifer, Colorado, Kansas, Texas, and Nebraska, (abstr.) |
Bruce, B.W.; Dennehy, K.F.; Ellett, K.M.; Gurdak, J.J.; McMahon, P.B.; Reedy, R.C.; Scanlon, B.R.; and Sophocleous, M.A. |
Geological Society of America, Abstract with Programs vol. 34, no. 6, p. 97 |
2002 |
N/A
|
| Geochemistry, radiocarbon ages, and paleorecharge conditions along a transect in the central High Plains aquifer, southwestern Kansas, USA |
McMahon, P.B.; Bohlke, J.K.; and Christenson, S.C. |
Applied Geochemistry vol. 19, no. 11, pp. 1655-1686 |
2004 |
N/A
|
| Ground-water availability and linkages between water quantity and quality in the High Plains aquifer, (abstr.) |
Dennehy, K.F.; and McMahon, P.B. |
Geological Society of America, Abstract with Programs vol. 37,no. 7, p. 246 |
2005 |
N/A
|
| Nitrous oxide fluxes from cultivated areas and rangeland; U.S. High Plains |
Weeks, E.P.; and McMahon, P.B. |
Vadose Zone Journal vo. 6, no. 3, pp. 496-510 |
2007 |
N/A
|
| Nitrous oxide production rates derived from measurements in the thick unsaturated zone of the High Plains aquifer, USA, (abstr.) |
Weeks, E.P.; and McMahon, P.B. |
Geological Society of America, Abstract with Programs vol. 37, no. 7, p. 456 |
2005 |
N/A
|
| Nitrous oxide production rates derived from measurements of N (sub 2) O in the thick unsaturated zone of the High Plains aquifer, USA, (abstr.) |
Weeks, E.P.; McMahon, P.B.; Dennehy, K.F.; and Gurdak, J.J. |
Geological Society of America, Abstract with Programs vol. 36, no. 5, p. 329 |
2004 |
N/A
|
| Occurrence of nitrous oxide in the central High Plains aquifer, 1999 |
McMahon, P.B.; Bruce, B.W.; Becker, M.F.; Pope, L.M.; and Dennehy, K.F. |
Environmental Science and Technology vol. 34, no. 23, pp. 4873-4877 |
2000 |
N/A
|
| Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States |
McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Bohlke, J.K.; Michel, R.L.; Gurdak, J.J.; and Hurlbut, D.B. |
Water Resources Research vol. 42, W03413, 18 pages |
2006 |
N/A
|
| Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains aquifer |
Gurdak, J.J.; Walvoord, M.A.; and McMahon, P.B. |
Vadose Zone Journal vol. 7, no. 4, pp. 1172-1184 |
2008 |
N/A
|
| The High Plains aquifer, USA; groundwater development and sustainability, pp. 99-119, <In>, Hiscock, K.M.; Rivett, M.O.; and Davison, R.M., (eds.); Sustainable groundwater development |
Dennehy, K.F.; Litke, D.W.; and McMahon, P.B. |
Geological Society (London), Special Publication no. 193, 352 pages |
2002 |
N/A
|
| Vertical gradients in water chemistry in the central High Plains aquifer, southwestern Kansas and Oklahoma Panhandle, 1999 |
McMahon, P.B. |
U.S. Geological Survey, Water Resources Investigations no. 01-4028, 47 pages |
2001 |
N/A
|
| Water movement through thick unsaturated zones overlying the central High Plains aquifer, southwestern Kansas, 2000-2001 |
McMahon, P.B.; Dennehy, K.F.; Michel, R.L.; Sophocleous, M.A.; Ellett, K.M.; and Hurlbut, D.B. |
U.S. Geological Survey, Water Resources Investigations no. 03-4171, 32 pages |
2003 |
View
|
| Water quality in the High Plains aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-2004 |
Gurdak, J.J.; McMahon, P.B.; Dennehy, Kevin; and Qi, S.L. |
U.S. Geological Survey, Circular no. 1337, 63 pages |
2009 |
View
|
| Water-quality assessment of the High Plains aquifer, 1999-2004 |
McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|
| [Introduction], Water-quality assessment of the High Plains aquifer, 1999- 2004, pp. [1]-20, <In>, McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L.; Water-quality assessment of the High Plains aquifer, 1999- 2004 |
McMahon, P.B.; Dennehy, K.F.; Bruce, B.W.; Gurdak, J.J.; and Qi, S.L. |
U.S. Geological Survey, Professional Paper no. 1749, 136 pages |
2007 |
N/A
|