Search Results - "CLARK, Jordan F"

The mangrove pump: The tidal flushing of animal burrows in a tropical mangrove forest determined from radionuclide budgets by Stieglitz, Thomas C., Clark, Jordan F., Hancock, Gary J.

“…Intertidal mangrove forests contribute significantly to biogeochemical solute budgets of tropical and subtropical coastlines. A significant part of the…”
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Evolution of groundwater age in a mountain watershed over a period of thirteen years by Manning, Andrew H., Clark, Jordan F., Diaz, Stephanie H., Rademacher, Laura K., Earman, Sam, Niel Plummer, L.

“…► We compile a 13-year record of groundwater age for springs in a mountain watershed. ► Annual variations in age are large and correlated with annual snowpack…”
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Natural marine seepage blowout: Contribution to atmospheric methane by Leifer, Ira, Luyendyk, Bruce P., Boles, Jim, Clark, Jordan F.

“…The release of methane sequestered within deep‐sea methane hydrates is postulated as a mechanism for abrupt climate change; however, whether emitted seabed…”
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Dissolved methane distributions and air-sea flux in the plume of a massive seep field, Coal Oil Point, California by Mau, Susan, Valentine, David L., Clark, Jordan F., Reed, Justin, Camilli, Richard, Washburn, Libe

“…Large quantities of natural gas are emitted from the seafloor into the stratified coastal ocean near Coal Oil Point, Santa Barbara Channel, California. Methane…”
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Groundwater reorganization in the Floridan aquifer following Holocene sea-level rise by Clark, Jordan F, Bennett, Michael, Richardson, Emily, Morrissey, Sheila K, Stute, Martin

“…Sea-level fluctuations, particularly those associated with glacial-interglacial cycles, can have profound impacts on the flow and circulation of coastal…”
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Turbulent Mixing Induced by Nonlinear Internal Waves in Mono Lake, California by MacIntyre, Sally, Clark, Jordan F., Jellison, Robert, Fram, Jonathan P.

“…Describing the spatial and temporal occurrence of turbulent mixing and the mechanisms of turbulence production are fundamental problems in physical limnology…”
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Balancing the last glacial maximum (LGM) sea-level budget by Simms, Alexander R., Lisiecki, Lorraine, Gebbie, Geoffrey, Whitehouse, Pippa L., Clark, Jordan F.

“…Estimates of post-Last Glacial Maximum (LGM) sea-level rise are not balanced by the estimated amount of ice melted since the LGM. We quantify this “missing…”
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Investigation of Groundwater Flow Variations near a Recharge Pond with Repeat Deliberate Tracer Experiments by Jordan F Clark, Sheila Morrissey, Jason Dadakis, Adam Hutchinson, Roy Herndon

“…Determining hydraulic connections and travel times between recharge facilities and production wells has become increasingly important for permitting and…”
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Implications of projected climate change for groundwater recharge in the western United States by Meixner, Thomas, Manning, Andrew H., Stonestrom, David A., Allen, Diana M., Ajami, Hoori, Blasch, Kyle W., Brookfield, Andrea E., Castro, Christopher L., Clark, Jordan F., Gochis, David J., Flint, Alan L., Neff, Kirstin L., Niraula, Rewati, Rodell, Matthew, Scanlon, Bridget R., Singha, Kamini, Walvoord, Michelle A.

“…•Current groundwater recharge in the western US is synthesized.•Recharge components are compared across the selected aquifers.•Climate-change is analyzed to…”
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Short-lived natural radionuclides as tracers in hydrogeological studies – A review by Schubert, Michael, Lin, Mang, Clark, Jordan F., Kralik, Martin, Damatto, Sandra, Copia, Lorenzo, Terzer-Wassmuth, Stefan, Harjung, Astrid

“…Fundamental approaches to the study of groundwater rely on investigating the spatial and temporal distribution of stable and radioactive isotopes and other…”
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Quantifying Apparent Groundwater Ages near Managed Aquifer Recharge Operations Using Radio-Sulfur (35S) as an Intrinsic Tracer by Jordan F. Clark, Stephanie H. Urióstegui, Richard K. Bibby, Bradley K. Esser, Gideon Tredoux

“…The application of the cosmogenic radioisotope sulfur-35 (35S) as a chronometer near spreading basins is evaluated at two well-established Managed Aquifer…”
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Quantifying Reaeration Rates in Alpine Streams Using Deliberate Gas Tracer Experiments by Andrew Benson, Matthew Zane, Timothy E. Becker, Ate Visser, Stephanie H. Uriostegui, Elizabeth DeRubeis, Jean E. Moran, Bradley K. Esser, Jordan F. Clark

“…Gas exchange across the air-water interface is a critical process that maintains adequate dissolved oxygen (DO) in the water column to support life. Oxygen…”
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Old groundwater influence on stream hydrochemistry and catchment response times in a small Sierra Nevada catchment: Sagehen Creek, California by Rademacher, L.K, Clark, J.F, Clow, D.W, Hudson, G.B

“…The relationship between the chemical and isotopic composition of groundwater and residence times was used to understand the temporal variability in stream…”
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Characterisation of hyporheic exchange in a losing stream using radon-222 by Bourke, Sarah A., Cook, Peter G., Shanafield, Margaret, Dogramaci, Shawan, Clark, Jordan F.

“…•New method for estimating hyporheic exchange based on stream radon mass balance.•Most sensitive to flow paths tens of metres long with residence times of…”
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Chemical evolution of shallow groundwater as recorded by springs, Sagehen basin; Nevada County, California by Rademacher, Laura K, Clark, Jordan F, Hudson, G.Bryant, Erman, Don C, Erman, Nancy A

“…Springs in Sagehen basin, California, were used to document the effect of chemical weathering on the chemical evolution and composition of groundwater in a…”
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Sulfur Hexafluoride and Potassium Bromide as Groundwater Tracers for Managed Aquifer Recharge by Gerenday, Sarah P., Clark, Jordan F., Hansen, Jeffrey, Fischer, Ida, Koreny, John

“…Sulfur hexafluoride (SF6) is an established tracer for use in managed aquifer recharge projects. SF6 exsolves from groundwater when it encounters trapped air…”
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Recycled water could recharge aquifers in the Central Valley by Gerenday, Sarah P, Perrone, Debra, Clark, Jordan F, Ulibarri, Nicola

“…Drawing out too much groundwater, or overdrafting, is a serious problem in California. As a result, groundwater sustainability agencies are considering using…”
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Analytical Method for Measuring Cosmogenic (35)S in Natural Waters by Urióstegui, Stephanie H, Bibby, Richard K, Esser, Bradley K, Clark, Jordan F

“…Cosmogenic sulfur-35 in water as dissolved sulfate ((35)SO4) has successfully been used as an intrinsic hydrologic tracer in low-SO4, high-elevation basins…”
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Quantifying groundwater travel time near managed recharge operations using 35S as an intrinsic tracer by Urióstegui, Stephanie H., Bibby, Richard K., Esser, Bradley K., Clark, Jordan F.

“…•Developed sulfur-35 (35S) method for dating managed aquifer recharge (MAR).•35S successfully measured in MAR source waters and groundwater.•35S travel times…”
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IODP Expedition 327 and Atlantis Expedition AT 18-07: Observatories and Experiments on the Eastern Flank of the Juan de Fuca Ridge by FISHER, Andrew T, TSUJI, Takeshi, PETRONOTIS, Katerina, GEOFF WHEAT, C, BECKER, Keir, CLARK, Jordan F, COWEN, James, EDWARDS, Katrina, JANNASCH, Hans

“…Integrated Ocean Drilling Program (IODP) Expedition 327 (summer 2010) was designed to resolve the nature of fluid-rock interactions in young, upper volcanic…”
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