| Application of groundwater geodatabase in central High Plains regions, (abstr.) |
Townsend, M.A.; Macko, S.A.; Sophocleous, M.A.; Vocasek, Fred; Schuette, David; and Ghijsen, R. |
Water and the Future of Kansas Conference, Proceedings with Abstracts no. 24, pp. [6-7] |
2007 |
N/A
|
| Characterization of nitrate-N sources in Kansas ground water using nitrogen- 15, (abstr.) |
Townsend, M.A.; and Macko, S.A. |
Geological Society of America, Abstract with Programs vol. 31, no. 7, p. 452 |
1999 |
N/A
|
| Characterization of nitrate-n sources in Kansas ground water using nitrogen- 15, (abstr.) |
Townsend, M.A.; and Macko, S.A. |
Water and the Future of Kansas Conference, Proceedings with Abstracts no. 18, pp. 44-45 |
2001 |
N/A
|
| Distribution and sources of nitrate-nitrogen in Kansas ground water, (abstr.) |
Townsend, M.A.; Macko, S.A.; and Young, D.P. |
Water and the Future of Kansas Conference, Proceedings with Abstracts no. 19, pp. 40-41 |
2002 |
N/A
|
| Documenting seasonal variation at a wastewater irrigation site through stable isotopes, (abstr.) |
Townsend, M.A.; Macko, S.A.; Sophocleous, M.A.; Vocasek, Fred; Schuette, David; and Ghijsen, R. |
American Institute of Hydrology, Kansas Section; and Association of Engineering Geologist, Kansas City/Omaha Section, Annual Kansas Hydrology Seminar, Program with Abstracts no. 15, p. 2 |
2006 |
N/A
|
| Documenting seasonal variation at a wastewater irrigation site through stable isotopes, (abstr.) |
Townsend, M.A.; Macko, S.A.; Sophocleous, M.A.; Vocasek, Fred; Schuette, David; and Ghijsen, R. |
Geological Society of America, Abstract with Programs vol. 38, no. 7, p. 40 |
2006 |
N/A
|
| Drainage basin scale variation of nitrate-N concentrations in ground water, Harvey County, Kansas, (abstr.) |
Townsend, M.A.; Sleezer, R.O.; and Macko, S.A. |
Geological Society of America, Abstract with Programs vol. 27, no. 3, pp. 90-91 |
1995 |
N/A
|
| Effects of agricultural practices and vadose zone stratigraphy on nitrate concentration in ground water in Kansas, USA |
Townsend, M.A.; Sleezer, R.O.; and Macko, S.A. |
Water Science and Technology vol. 33, no. 4-5, pp. 219-226 |
1996 |
N/A
|
| Evapoconcentration not an indicator of nitrate in Kansas ground water, (abstr.) |
Townsend, M.A.; and Macko, S.A. |
Geochimica et Cosmochimica Acta vol. 69, no. 10 (suppl.), p. A605 |
2005 |
N/A
|
| Natural 15N isotopic signatures in ground water; a cautionary note on interpretation |
Townsend, M.A.; Macko, S.A.; Young, D.P.; and Sleezer, R.O. |
Kansas Geological Survey, Open-file Report no. 94-29, 24 pages |
1994 |
View
|
| Potential sources of nitrate in South Fork of Beaver Creek watershed, Sherman County, Kansas, (abstr.) |
Townsend, M.A.; and Macko, S.A. |
Geological Society of America, Abstract with Programs vol. 28, no. 6, p. 68 |
1996 |
N/A
|
| Preliminary identification of ground-water nitrate sources using nitrogen and carbon stable isotopes, Kansas |
Townsend, M.A.; and Macko, S.A. |
Kansas Geological Survey, Current Research in Earth Sciences no. 253, part 3 |
2007 |
View
|
| The use of nitrogen-15 natural abundance; a method for source identification of agricultural based nitrate, (abstr.) |
Townsend, M.A.; and Macko, S.A. |
American Institute of Hydrology, Kansas Section; and Association of Engineering Geologist, Kansas City/Omaha Section, Annual Kansas Hydrology Seminar, Program with Abstracts no. 12, p. 6 |
2003 |
N/A
|
| Variations in nitrogen water chemistry, soil content, and plant uptake at a wastewater irrigation site, (abstr. |
Townsend, M.A.; Macko, S.A.; Ghijsen, R.; Thompson, J.; Schneider, N.; and Schuette, D. |
Geological Society of America, Abstract with Programs vol. 39, no. 3, pp. 5-6 |
2007 |
N/A
|