Search Results - "LEE, Lopaka"

The tangled tale of Kīlauea's 2018 eruption as told by geochemical monitoring by Gansecki, Cheryl, Lee, R Lopaka, Shea, Thomas, Lundblad, Steven P, Hon, Ken, Parcheta, Carolyn

“…Changes in magma chemistry that affect eruptive behavior occur during many volcanic eruptions, but typical analytical techniques are too slow to contribute to…”
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The petrologic and degassing behavior of sulfur and other magmatic volatiles from the 2018 eruption of Kīlauea, Hawaiʻi: melt concentrations, magma storage depths, and magma recycling by Lerner, Allan H., Wallace, Paul J., Shea, Thomas, Mourey, Adrien J., Kelly, Peter J., Nadeau, Patricia A., Elias, Tamar, Kern, Christoph, Clor, Laura E., Gansecki, Cheryl, Lee, R. Lopaka, Moore, Lowell R., Werner, Cynthia A.

“…Kīlauea Volcano’s 2018 lower East Rift Zone (LERZ) eruption produced exceptionally high lava effusion rates and record-setting SO 2 emissions. The eruption…”
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Direct measurements of copper speciation in basaltic glasses: understanding the relative roles of sulfur and oxygen in copper complexation in melts by Lanzirotti, Antonio, Lee, Lopaka, Head, Elisabet, Sutton, Stephen R., Newville, Matthew, McCanta, Molly, Lerner, Allan H., Wallace, Paul J.

“…Micro-analytical determination of copper (Cu) speciation in natural magmatic glasses, equilibrated below the nickel – nickel oxide (NNO) buffer, reveals that…”
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An automated SO2 camera system for continuous, real-time monitoring of gas emissions from Kīlauea Volcano's summit Overlook Crater by Kern, Christoph, Sutton, Jeff, Elias, Tamar, Lee, Lopaka, Kamibayashi, Kevan, Antolik, Loren, Werner, Cynthia

“…SO2 camera systems allow rapid two-dimensional imaging of sulfur dioxide (SO2) emitted from volcanic vents. Here, we describe the development of an SO2 camera…”
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Direct measurements of copper speciation in basaltic glasses: understanding the relative roles of sulfur and oxygen in copper complexation in melts by Lanzirotti, Antonio, Lee, Lopaka, Head, Elisabet, Sutton, Stephen R., Newville, Matthew, McCanta, Molly, Lerner, Allan H., Wallace, Paul J.

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An automated SO 2 camera system for continuous, real-time monitoring of gas emissions from Kīlauea Volcano's summit Overlook Crater by Kern, Christoph, Sutton, Jeff, Elias, Tamar, Lee, Lopaka, Kamibayashi, Kevan, Antolik, Loren, Werner, Cynthia

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A regional-scale study of chromium and nickel in soils of northern California, USA by Morrison, Jean M., Goldhaber, Martin B., Lee, Lopaka, Holloway, JoAnn M., Wanty, Richard B., Wolf, Ruth E., Ranville, James F.

“…A soil geochemical survey was conducted in a 27,000-km 2 study area of northern California that includes the Sierra Nevada Mountains, the Sacramento Valley,…”
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Measurement of Clay Surface Areas by Polyvinylpyrrolidone (PVP) Sorption: A New Method for Quantifying Illite and Smectite Abundance by Blum, Alex, Lee, Lopaka, Eberl, Dennis

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Statistical analysis of water-quality data containing multiple detection limits: S-language software for regression on order statistics by Lee, Lopaka, Helsel, Dennis

“…Trace contaminants in water, including metals and organics, often are measured at sufficiently low concentrations to be reported only as values below the…”
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Continuous monitoring of Hawaiian volcanoes with thermal cameras by Patrick, Matthew R, Orr, Tim, Antolik, Loren, Lee, Lopaka, Kamibayashi, Kevan

“…Continuously operating thermal cameras are becoming more common around the world for volcano monitoring, and offer distinct advantages over conventional visual…”
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Baseline models of trace elements in major aquifers of the United States by Lee, Lopaka, Helsel, Dennis

“…Trace-element concentrations in baseline samples from a survey of aquifers used as potable-water supplies in the United States are summarized using methods…”
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Measurement of clay surface areas by polyvinylpyrrolidone (PVP) sorption; a new method for quantifying illite and smectite abundance @discussion by Blum, Alex, Lee, Lopaka, Eberl, Dennis

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LETTER TO THE EDITOR 'MEASUREMENT OF CLAY SURFACE AREAS BY POLYVINYLPYRROLIDONE (PVP) SORPTION: A NEW METHOD FOR QUANTIFYING ILLITE AND SMECTITE ABUNDANCE' by Blum, Alex, Lee, Lopaka, Eberl, Dennis

“…Blum and Eberl (2004) presented a new technique for determining the surface area of clay minerals in sediment samples by measuring the amount of…”
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Statistical analysis of water-quality data containing multiple detection limits II: S-language software for nonparametric distribution modeling and hypothesis testing by Lee, Lopaka, Helsel, Dennis

“…Analysis of low concentrations of trace contaminants in environmental media often results in left-censored data that are below some limit of analytical…”
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Trace elements in olivine fingerprint the source of 2018 magmas and shed light on explosive-effusive eruption cycles at Kīlauea Volcano by Mourey, Adrien J., Shea, Thomas, Lynn, Kendra J., Lerner, Allan H., Lambart, Sarah, Costa, Fidel, Oalmann, Jeffrey, Lee, R. Lopaka, Gansecki, Cheryl

“…Understanding magma genesis and the evolution of intensive parameters (temperature, pressure, composition, degree of melting) in the mantle source of highly…”
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Regional variations in water quality and relationships to soil and bedrock weathering in the southern Sacramento Valley, California, USA by Wanty, Richard B., Goldhaber, Martin B., Morrison, Jean M., Lee, Lopaka

“…Regional patterns in ground- and surface-water chemistry of the southern Sacramento Valley in California were evaluated using publicly available geochemical…”
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Regional variations in water quality and relationships to soil and bedrock weathering in the southern Sacramento Valley, California, USA: Geochemical Studies of North American Soils: Results from the Pilot Study Phase of the North American Soil Geochemical Landscapes Project by WANTY, Richard B, GOLDHABER, Martin B, MORRISON, Jean M, LEE, Lopaka

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A regional-scale study of chromium and nickel in soils of northern California, USA: Geochemical Studies of North American Soils: Results from the Pilot Study Phase of the North American Soil Geochemical Landscapes Project by MORRISON, Jean M, GOLDHABER, Martin B, LEE, Lopaka, HOLLOWAY, Joann M, WANTY, Richard B, WOLF, Ruth E, RANVILLE, James F

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The Effect of Mississippi Valley-Type Mineralization on the Natural Background Chemistry of Groundwater in the Ozark by Lee, Lopaka

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