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Benjamin W. Tobin, Benjamin V. Miller, Matthew L. Niemiller and Andrea M. Erhardt
Karst aquifers are unique among groundwater systems because of variable permeability and flow-path organization changes resulting from dissolution processes. Over time, changes in flow-path connectivity complicate interpretations of conduit network evolu...
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Baoling Li, Xianfang Song, Lihu Yang, Dongxu Yao and Yingchun Xu
Understanding the hydrologic and hydrochemistry processes in the riparian area is of great importance for managing and protecting riparian water resources. This paper took a highly disturbed and polluted Shaying River Basin (SRB) of China as the study ar...
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Samuel Bansah, Samuel Ato Andam-Akorful, Jonathan Quaye-Ballard, Matthew Coffie Wilson, Solomon Senyo Gidigasu and Geophrey K. Anornu
Using d18O and d2H in mean transit time (MTT) modeling can ensure the verifiability of results across catchments. The main objectives of this study were to (i) evaluate the d18O- and d2H-based behavioral transit time distributions and (ii) assess if d18O...
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Elizabeth Peters, Ate Visser, Bradley K. Esser and Jean E. Moran
Mount Shasta (4322 m) is famous for its spring water. Water for municipal, domestic and industrial use is obtained from local springs and wells, fed by annual snow melt and sustained perennially by the groundwater flow system. We examined geochemical and...
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Hongbin Gao, M. Cathryn Ryan, Changyou Li and Biao Sun
Hulun Lake, located in a remote, semi-arid area in the northeast part of Inner Mongolia, China, shares a transboundary basin with Mongolia and supports a unique wetland ecosystem that includes many endangered species. Decadal scale decreases in the lake ...
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Julián González-Trinidad, Anuard Pacheco-Guerrero, Hugo Júnez-Ferreira, Carlos Bautista-Capetillo, Arturo Hernández-Antonio
Pág. 1 - 12
Environmental isotope tracers have been a useful tool in providing new insights into hydrologic processes. In Mexico, there have been several studies reporting different values for d18O and d2H for certain geographical areas. The objective of this study ...
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Jordan F. Clark, Stephanie H. Urióstegui, Richard K. Bibby, Bradley K. Esser, Gideon Tredoux
Pág. 1 - 12
The application of the cosmogenic radioisotope sulfur-35 (35S) as a chronometer near spreading basins is evaluated at two well-established Managed Aquifer Recharge (MAR) sites: the Atlantis facility (South Africa) and Orange County Water District?s (OCWD...
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Rory Cowie, Mark W. Williams, Mike Wireman and Robert L. Runkel
Stream water quality in areas of the western United States continues to be degraded by acid mine drainage (AMD), a legacy of hard-rock mining. The Rico-Argentine Mine in southwestern Colorado consists of complex multiple-level mine workings connected to ...
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