Search Results - "Izbicki, John"

Fate of Nutrients in Shallow Groundwater Receiving Treated Septage, Malibu, CA by Izbicki, John A

“…Treated wastewater discharged from more than 400 onsite wastewater treatment systems (OWTS) near the Civic Center area of Malibu, California, 40 km west of…”
Get full text

Delta Chromium-53/52 isotopic composition of native and contaminated groundwater, Mojave Desert, USA by Izbicki, John A., Bullen, Thomas D., Martin, Peter, Schroth, Brian

“…► Cr isotopes do not uniquely define anthropogenic Cr near plume margins. ► Mixing and reductive fractionation control Cr concentrations within plumes. ►…”
Get full text

Coastal groundwater dynamics off Santa Barbara, California: Combining geochemical tracers, electromagnetic seepmeters, and electrical resistivity by Swarzenski, Peter W., Izbicki, John A.

“…This paper presents repeat field measurements of 222Rn and 223,224,226,228Ra, electromagnetic seepage meter-derived advective fluxes, and multi-electrode,…”
Get full text

Chromium, chromium isotopes and selected trace elements, western Mojave Desert, USA by Izbicki, John A., Ball, James W., Bullen, Thomas D., Sutley, Stephen J.

“…Chromium(VI) concentrations in excess of the California Maximum Contaminant Level (MCL) of 50μg/L occur naturally in alkaline, oxic ground-water in alluvial…”
Get full text

Storage and mobilization of natural and septic nitrate in thick unsaturated zones, California by Izbicki, John A., Flint, Alan L., O’Leary, David R., Nishikawa, Tracy, Martin, Peter, Johnson, Russell D., Clark, Dennis A.

“…•Natural and NO3 from septic sources are stored in unsaturated zone in arid areas.•Denitrification in the unsaturated zone is about 5–10%.•Managed aquifer…”
Get full text

Sources of high-chloride water and managed aquifer recharge in an alluvial aquifer in California, USA by O’Leary, David R., Izbicki, John A., Metzger, Loren F.

“…As a result of pumping in excess of recharge, water levels in alluvial aquifers within the Eastern San Joaquin Groundwater Subbasin, 130 km east of San…”
Get full text

Groundwater movement, recharge, and perchlorate occurrence in a faulted alluvial aquifer in California (USA) by Izbicki, John A., Teague, Nicholas F., Hatzinger, Paul B., Böhlke, J. K., Sturchio, Neil C.

“…Perchlorate from military, industrial, and legacy agricultural sources is present within an alluvial aquifer in the Rialto-Colton groundwater subbasin, 80 km…”
Get full text

Source and movement of helium in the eastern Morongo groundwater Basin: The influence of regional tectonics on crustal and mantle helium fluxes by Kulongoski, Justin T., Hilton, David R., Izbicki, John A.

“…We assess the role of fracturing and seismicity on fluid-driven mass transport of helium using groundwaters from the eastern Morongo Basin (EMB), California,…”
Get full text

Electromagnetic-Induction Logging to Monitor Changing Chloride Concentrations by Metzger, Loren F., Izbicki, John A.

“…Water from the San Joaquin Delta, having chloride concentrations up to 3590 mg/L, has intruded fresh water aquifers underlying Stockton, California. Changes in…”
Get full text

Alpha-emitting isotopes and chromium in a coastal California aquifer by Densmore, Jill N., Izbicki, John A., Murtaugh, Joseph M., Swarzenski, Peter W., Bullen, Thomas D.

“…•Alluvium in Piedra de Lumbre basin higher radionuclides likely from natural Th.•Natural uranium decay-chain isotopes, including Ra, present in marine…”
Get full text

Artificial Recharge Through a Thick, Heterogeneous Unsaturated Zone by Izbicki, John A, Flint, Alan L, Stamos, Christina L

“…Thick, heterogeneous unsaturated zones away from large streams in desert areas have not previously been considered suitable for artificial recharge from ponds…”
Get full text

Movement of Water Infiltrated from a Recharge Basin to Wells by O'Leary, David R., Izbicki, John A., Moran, Jean E., Meeth, Tanya, Nakagawa, Brandon, Metzger, Loren, Bonds, Chris, Singleton, Michael J.

“…Local surface water and stormflow were infiltrated intermittently from a 40‐ha basin between September 2003 and September 2007 to determine the feasibility of…”
Get full text

Physical and temporal isolation of mountain headwater streams in the western mojave desert, southern california by Izbicki, J.A

“…Streams draining mountain headwater areas of the western Mojave Desert are commonly physically isolated from downstream hydrologic systems such as springs,…”
Get full text

Aquifer Storage Recovery (ASR) of chlorinated municipal drinking water in a confined aquifer by Izbicki, John A., Petersen, Christen E., Glotzbach, Kenneth J., Metzger, Loren F., Christensen, Allen H., Smith, Gregory A., O’Leary, David, Fram, Miranda S., Joseph, Trevor, Shannon, Heather

“…About 1.02 × 10 6 m 3 of chlorinated municipal drinking water was injected into a confined aquifer, 94–137 m below Roseville, California, between December 2005…”
Get full text

Simulation of Fluid, Heat Transport to Estimate Desert Stream Infiltration by Kulongoski, Justin T, Izbicki, John A

“…In semiarid regions, the contribution of infiltration from intermittent streamflow to ground water recharge may be quantified by comparing simulations of fluid…”
Get full text

Physical and Temporal Isolation of Mountain Headwater Streams in the Western Mojave Desert, Southern California1 by Izbicki, John A.

“…:  Streams draining mountain headwater areas of the western Mojave Desert are commonly physically isolated from downstream hydrologic systems such as springs,…”
Get full text

Inorganic, isotopic, and organic composition of high-chloride water from wells in a coastal southern California aquifer by Izbicki, John A., Christensen, Allen H., Newhouse, Mark W., Aiken, George R.

“…Chloride concentrations were as high as 230 mg/L in water from the surface discharge of long-screened production wells in Pleasant Valley, Calif., about 100 km…”
Get full text

A multi-tracer and well-bore flow profile approach to determine occurrence, movement, and sources of perchlorate in groundwater by Wright, Michael T., Izbicki, John A., Jurgens, Bryant C.

“…The purpose of this study is to determine the occurrence, movement, and sources of perchlorate in groundwater using a comprehensive set of environmental…”
Get full text

Selected trace-elements in alluvium and rocks, western Mojave Desert, southern California by Groover, Krishangi D., Izbicki, John A.

“…Concentrations of twenty-seven elements, including naturally-occurring water-quality contaminants arsenic, chromium, and uranium, were measured in 217 samples…”
Get full text

Cr(VI) occurrence and geochemistry in water from public-supply wells in California by Izbicki, John A., Wright, Michael T., Seymour, Whitney A., McCleskey, R. Blaine, Fram, Miranda S., Belitz, Kenneth, Esser, Bradley K.

“…Hexavalent chromium, Cr(VI), in 918 wells sampled throughout California between 2004 and 2012 by the Groundwater Ambient Monitoring and Assessment-Priority…”
Get full text