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Details for: Alexander van Geen
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Alexander van Geen (LDEO at Columbia U.)
Theme chair: 13
Goldschmidt2015 Goldschmidt2019 Goldschmidt2020
No bio for this user.
Note: abstracts are only listed if one of the following email addresses was provided when the abstract was submitted: avangeen@ldeo.columbia.edu. Otherwise, try an advanced search.
(2020) Statistically Leveraging Spectroscopy to Link Sediment Properties and Groundwater Composition
Nghiem A, Stahl M, van Geen A & Bostick B
(2019) Extensive Cryptic Sulfur Cycling Affecting Arsenic Levels in Van Phuc, Vietnam
Bostick B, Nghiem A, Stahl M, Harvey C & van Geen L(2019) Groundwater and Aquifer Sand Concentrations of Arsenic along the Ravi River in Punjab, Pakistan
Mushtaq N, Farooqi A, Khattak J, Hussain I, Mailloux B, Ellis T & van Geen A(2019) A City Built on a Mine: The Extent and Impacts of Residual Lead Contamination on Environmental Health in Kabwe, Zambia
Filippelli G, Wood L, Levy J, Hay MC, Mutiti S, Ericson B, van Geen A & Landes F(2018) Fluoride Distribution in Aquifers of the Indus Basin, Punjab, Pakistan
Ali Khattak J, Farooqi A, Hussain I, Mailloux B, Ellis T & van Geen A(2018) Drivers of Iron and Phosphorus Partitioning in Eutrophic Waters and their Sediments: Insight from Monitoring and Experimental Redox Front Manipulation
Schroth A, Druschel G, Leduc M, Wilkes A, Bostick B, Shukle J & Kurek M(2017) A Comparison of Arsenic Retardation in Reduced Holocene Sediment and Oxidized Pleistocene Sediment
Mozumder MRH, Bostick BC, Islam MA, Choudhury I, Ahmed KM, Ellis T, Mailloux B & Van Geen A(2017) Developing and Deploying a Field kit for Lead in Soils in NYC and Peru
Landes F, Ponce-Canchihuamán JC, Inauen J, Markowski K, Ellis T & van Geen A(2017) Identifying and Quantifying the Intermediate Processes during Nitrate Dependent Fe(II) Oxidation
Jamieson J, Yusov A, Sun J, Prommer H & Bostick B(2016) Remediating Acidic Metal(loid) Contaminated Groundwater Using in situ Biogenic Magnetite
Jamieson J, Sun J, Prommer H & Bostick B(2016) Blanket Testing of Wells for Arsenic and Fluoride and a Response Survey Conducted SW of Lahore, Pakistan
Farooqi A, Mushtaq N, Hussain I, Ali khattak J & van Geen A(2016) Enhanced ENSO Variability during the Little Ice Age Based on Mg/Ca in Individual Planktonic Foraminifera
Marchitto T, Fehrenbacher J, Spero H & van Geen L(2016) Biogeochemical Arsenic Cycling Linked to Iron and Sulfur Redox Cycles in Paleoarchean Marine Sediments
Myers K, Tice M & Bostick B(2016) Sewage Waste Implicated as a Predominant Microbial Carbon Source Mediating Arsenic Release in Bangladesh Aquifers Through PLFA Δ14C, Sterol Fecal Biomarkers and Cl/Br Ratios
Whaley-Martin K, Mailloux B, van Geen A, Bostick B, Ahmed KM, Choudhury I & Slater G(2015) Young High-Arsenic Groundwater Confirmed to 250 M Depth Across the India-Bangladesh Border
van Geen A, Khan MR, Nath B, Huhmann B, Choudhury I, Chakraborty M, Harvey C, Michael H, Bostick B, Mailloux B, Schlosser P, Mukherjee A & Ahmed KM(2015) Surface Control of Inorganic Particulate Iron Solubility by the Pennate Diatom Phaeodactylum Tricornutum
Shoenfelt E & Bostick B(2014) Examination of Carbon Sources Stimulating Microbially Mediated Arsenic Release in Bangladesh Aquifers
Whaley-Martin K, Mailloux B, Silvern R, Kim C, Bostick B, van Geen A, Ahmed K, Choudhury M & Slater G(2014) A Weathering Index to Delineate the Boundary between Low and High Arsenic Aquifer Sediments
Mozumder R, Bostick B, Mihajlov I, Choudhury I, Ahmed K, Mailloux B & van Geen A(2014) Seasonal and Interannual Ocean Temperature Reconstruction Using Mg/Ca Measurements on Individual Planktic Foraminifera
Marchitto T, Grist H & van Geen A(2014) Geomorphic Controls on Groundwater Arsenic Concentrations in Aquifers Perturbed by Large Scale Pumping
Stahl M, Harvey C, van Geen A & Bostick B(2013) Polyoxometalates and their Effect on Tungsten Speciation and Transport
Bostick B & Sun J(2013) Formation of Magnetite within Aquifer Sediments and Its Effects on Arsenic Mobility
Sun J, Chillrud S, Mailloux B & Bostick B(2013) Kinetics of Arsenic Sorption on Aquifer Sediment from Bangladesh Imaged by XRF Microprobe in Flowing Columns
Mihajlov I, Bostick BC, Stute M, Choudhury I, Ahmed KM & van Geen A(2013) Mapping Lead Contamination of Soil Due to Mining in Peru
Kragie SX & van Geen A(2012) Distribution of Ferrihydrite in Sediments and its Role in Regulating Groundwater Arsenic Exposure Potential
Bostick B, Sun J, Mihajlov I, Chillrud S & Mailloux B(2012) The Role of Changing Abstraction Patterns in the Contamination of a Low-Arsenic Aquifer in Bangladesh
Mihajlov I, Stute M, Bostick BC, Choudhury I, Ahmed KM & van Geen A(2012) Residence Times of the Upper Low-Arsenic Aquifers in Bangladesh at the Onset of Increased Abstraction
Stute M, Mihajlov I, Schlosser P, Ahmed KM & van Geen A(2012) Radiocarbon Analysis of Microbial DNA and PLFA from Arsenic Impacted Aquifers in Bangladesh
Mailloux B, Trembath-Reichert E, Cheung J, Watson M, Dochenetz A, Stute M, Freyer G, Ferguson A, Ahmed KM, Alam M,J, Buchholz B, Slater G, Ziolowski L, Thomas J, Layton A, Zheng Y & van Geen A(2011) Low Latitude Surface Ocean Contribution to the Deglacial Atmospheric Radiocarbon Decline
Marchitto T, Lehman S, Lindsay C, Bryan S, Ortiz J & van Geen A(2010) Linking Periodic Mineralogical Transformations to Changes in Aqueous Lead and Arsenic Concentrations: Implications for Long-Term Stabilization
Delemos J, Vidumsky J, Sun J, Bostick B, Brady W, Cadwalader G & DeFlaun M(2010) Evaluating Arsenic Adsorption in a Low Arsenic Aquifer in Bangladesh Using in situ and Laboratory Methods
Radloff K, Zheng Y, Michael H, Stute M, Mihajlov I, Ahmed KM & van Geen A(2010) Column Experiments with Orange Bangladesh Sediments to Quantify Retardation in Low As Aquifers
Mihajlov I, Zheng Y, Stute M, Radloff KA, Ahmed KM & van Geen A(2010) Sedimentary Phosphorus Cycling along an Oxygen Gradient in the Arabian Sea: Insights from Sequential Extractions and X-Ray Spectroscopy
Kraal P, Slomp CP, Reichart G-J & Bostick BC(2009) Expansion of the Northeast Pacific Oxygen-Minimum Zone Since 1995? Sediment N-Isotope Evidence from Soledad Basin, Baja California
van Geen A, Thunell R, Carriquiry J, Mey J, Crusius J, Zhao M, Baumgartner T, Fereira V & Gaxiola G(2009) How As Mitigation in Bangladesh can be Hampered by Other Factors, Some Geogenic (Mn, P), Others not
van Geen A & Ahmed KM(2009) Effect of Groundwater Flow on Dissolved As in a Bangladesh Aquifer
Radloff K, Zheng Y, Stute M, Ahmed KM, Schlosser P & van Geen A(2009) XAS-Based Characterization of Thioarsenates and their Transformation to Thioarsenites in Acidic Synthetic Solutions
Suess E, Scheinost AC, Merkel BJ, Bostick BC, Wallschlaeger D & Planer-Friedrich B(2008) Effects of Concurrent Bacterial Iron and Sulfur Reduction on Arsenic Mobility
Saalfield SL, Bostick BC & Scott JH(2008) Effect of Organic Matter Quality on Iron and Sulfate Reduction and the Expression of Groundwater Arsenic
Bostick B & Quicksall A(2008) Iron Speciation and High Solubility in Alaskan Glacial Dust
Schroth A, Crusius J, Sholkovitz E & Bostick B(2006) The ocean's great deglacial CO2 release: Evidence from deep sea CaCO3 preservation and intermediate water 14C activity
Marchitto T, Lehman S, Ortiz J & Van Geen A(2005) Seasonal Mineralogical Transformations Influence Heavy Metal Release from Mine-Impacted Coeur d‚Alene River (ID) Wetlands
Bostick B, Landis J & Gehrke G(2005) Coupling Sulfide Production and Arsenic Release in Dynamic Systems
Quicksall A, Saalfield S, Renshaw C & Bostick B(2005) Lead Transport and Speciation in Organic Horizons of Forest Soils
Kaste J, Friedland A, Bostick B & Schroth A(2005) Reductive Mechanisms of Arsenic Mobilization from Contaminated Sediments
Saalfield S, Quicksall A, Renshaw CE & Bostick BC(2005) Influence of Overstory Vegetation on Long-Term Chemical Weathering Rates
Schroth A, Friedland A & Bostick B(2005) Arsenic Mobilization in Mine-Impacted Sediments
Toevs G, Polizzotto M, Morra M, Strawn D, Fendorf S & Bostick B(2002) Role of Arsenic in Pyrite Oxidation
Bostick B, Doyle C, Fendorf S, Kendelewicz T, Bargar J & Brown GE(2002) Biogenic Evolution of Microscale Heterogeneity: Impact on Contaminant Dynamics
Fendorf S, Hansel C, Benner S, Nico P, Reville K & Bostick B(2001) Arsenic Adsorption on Soils within a Sulfidic Estuary
Bostick BC & Fendorf SE(2001) Reductive Dissolution and Biomineralization of Iron Oxides Under Dynamic Flow Conditions
Benner SG, Hansel CM, Wielinga BW, Bostick BC, Barber T & Fendorf SE(2000) Hydrogeochemical Study of Arsenic Contamination in Bangladesh Groundwater – The Role of Redox Condition
Gavrieli I, Zheng Y, Van Geen A, Stute M, Dhar R, Ahmed KM, Simpson J & Goldstein SL(2000) Molybdenum Adsorption Mechanisms on Pyrite
Bostick B, Fendorf S & Helz GTheme chair
Goldschmidt2020 - Theme 13: Geochemistry of environmental and human health
Session convener
Goldschmidt2013 - Session 18f: Impacts of Soil, Air, and Water Geochemistry on Human Health