Výsledky vyhledávání - "Breton W. Bruce"

Climate Variability Controls on Unsaturated Water and Chemical Movement, High Plains Aquifer, USA

Autor: Geoffrey D. Thyne, Robert C. Reedy, Breton W. Bruce, Jason J. Gurdak, John E. McCray, Peter B. McMahon, Randall T. Hanson

Publikováno v: Vadose Zone Journal. 6:533-547

Responses in the vadose zone and groundwater to interannual, interdecadal, and multidecadal climate variability have important implications for groundwater resource sustainability, yet they are poorly documented and not well understood in most aquife

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05f50da9d1a8622af8969a6717460980
https://doi.org/10.2136/vzj2006.0087

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CONTRASTING WATER QUALITY FROM PAIRED DOMESTIC/PUBLIC SUPPLY WELLS, CENTRAL HIGH PLAINS

Autor: Breton W. Bruce, G. P. Oelsner

Publikováno v: Journal of the American Water Resources Association. 37:1389-1403

Closely located domestic and public supply wells were sampled using identical sampling procedures to allow comparison of water quality associated with well type. Water samples from 15 pairs of wells with similar screened intervals completed in the ce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aafb534d792bcaeb232899a45889f4a0
https://doi.org/10.1111/j.1752-1688.2001.tb03647.x

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Occurrence of Nitrous Oxide in the Central High Plains Aquifer, 1999

Autor: Breton W. Bruce, L. M. Pope, Kevin F. Dennehy, Peter B. McMahon, M. F. Becker

Publikováno v: Environmental Science & Technology. 34:4873-4877

Nitrogen-enriched groundwater has been proposed as an important anthropogenic source of atmospheric nitrous oxide (N2O), yet few measurements of N2O in large aquifer systems have been made. Concentrations of N2O in water samples collected from the 12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31aa5d5f29b1dea901ae743c59f91440
https://doi.org/10.1021/es001233t

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Denitrification in marine shales in northeastern Colorado

Autor: Breton W. Bruce, Peter B. McMahon, John Karl Böhlke

Publikováno v: Water Resources Research. 35:1629-1642

Parts of the South Platte River alluvial aquifer in northeastern Colorado are underlain by the Pierre Shale, a marine deposit of Late Cretaceous age that is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::94ea52bba113e7fb8ec2c5a26fea200c
https://doi.org/10.1029/1999wr900004

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Progress toward establishing a national assessment of water availability and use

Autor: James P. Verdin, Nancy L. Barber, Mary C. Freeman, Jeffrey M. Fischer, Steven Tessler, Kelly O. Maloney, Eric J. Evenson, MaryLynn Musgrove, Breton W. Bruce, William B. Hughes, Kevin F. Dennehy, Barbara E. Ralston, William M. Alley, Jonathan G. Kennen, Julie E. Kiang, Ward O. Freeman

Publikováno v: Circular.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c6b1e9aa313dcec9fb675d8980db2c8
https://doi.org/10.3133/cir1384

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Shallow ground-water quality beneath a major urban center: Denver, Colorado, USA

Autor: Breton W. Bruce, Peter B. McMahon

Publikováno v: Journal of Hydrology. 186:129-151

A survey of the chemical quality of ground water in the unconsolidated alluvial aquifer beneath a major urban center (Denver, Colorado, USA) was performed in 1993 with the objective of characterizing the quality of shallow ground-water in the urban a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32d6626620bf8f8d74d8808e35de1324
https://doi.org/10.1016/s0022-1694(96)03031-4

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WaterSMART-The Colorado River Basin focus-area study

Autor: Breton W. Bruce

Publikováno v: Fact Sheet.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::abc663803e937a3155872a41909d931c
https://doi.org/10.3133/70040236

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Water-Quality Assessment of the High Plains Aquifer, 1999-2004

Autor: Breton W. Bruce, Sharon L. Qi, Kevin F. Dennehy, Peter B. McMahon, Jason J. Gurdak

Publikováno v: Professional Paper.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87371301491147281430a72ab17f423a
https://doi.org/10.3133/pp1749

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Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States

Autor: Kevin F. Dennehy, Breton W. Bruce, D. B. Hurlbut, John Karl Böhlke, R.L. Michel, Jason J. Gurdak, Peter B. McMahon

Publikováno v: Water Resources Research. 42

[1] In 2000–2002, three rangeland and six irrigated sites were instrumented to assess the storage and transit time of chemicals in thick (15 to 50 m) unsaturated zones (UZ) in the High Plains. These processes are likely to influence relations betwe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a51bbb1dc93e6357aef59a90e18c781
https://doi.org/10.1029/2005wr004417

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Ground-water quality beneath irrigated agriculture in the central High Plains aquifer, 1999-2000

Autor: Mark F. Becker, Breton W. Bruce, Larry M. Pope, Jason J. Gurdak

In 1999 and 2000, 30 water-quality monitoring wells were installed in the central High Plains aquifer to evaluate the quality of recently recharged ground water in areas of irrigated agriculture and to identify the factors affecting ground-water qual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b7b189d4a9c524ff2b8c4c8fd74a764
https://doi.org/10.3133/wri034219

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