lex van geen
HOME      CV      PUBLICATIONS      PALEOCEANOGRAPHY      ARSENIC      MINING      MEDIA

 


Publications

Manuscripts in review:

van Geen, BC Bostick, PTK Trang, VM Lan, NN Mai, PD Man, PH Viet, K Radloff, Z Aziz, JL Mey, MO Stahl, CF Harvey, P Oates, B Weinman, C Stengel, F Frei, R Kipfer, M Berg, Delayed contamination of an aquifer with high-arsenic groundwater drawn by the municipal supply of Hanoi, Vietnam, Science, under review October 2012.

Mailloux BJ, E Trembath-Reichert, J Cheung, M Watson, M Stute, GA Freyer, AS Ferguson, KM Ahmed, MJ Alam, BA Buchholz, J Thomas, AC Layton, Y Zheng, BC Bostick, A van Geen, Advection of surface-derived organic carbon fuels microbial reduction in Bangladesh groundwater, under revision, PNAS, revision submitted December 2012.

Balasubramanya S, A Pfaff, L Bennear, A Tarozzi, KM Ahmed, A Schoenfeld, A van Geen, Rising response over time to environmental-health risk information: Medium-run evidence from the groundwater arsenic crisis in Bangladesh, submitted to Environment & Development Economics, September 2012.

Feighery J, BJ Mailloux, AS Ferguson, KM Ahmed, A van Geen, PJ Culligan, Transport of E. coli in aquifer sediments of Bangladesh: Implications for widespread microbial contamination of groundwater, submitted to Water Resources Research, September 2012.

Soumya HB, A Pfaff, L Bennear, A Tarozzi, KM Ahmed, A Schoenfeld, A van Geen, Rising gains over time from the provision of health-risk information: evidence from the groundwater arsenic crisis in Bangladesh, submitted to Bulletin of the World Health Organization, August 2011.

Aziz, Z, M. Stute, R. Versteeg, P. Schlosser, MR Huq, KM Ahmed, A van Geen, Distribution of As in shallow Bangladesh aquifers of Bangladesh controlled by desorption and flushing: An evaluation at the village-scale using a 3-D groundwater flow model, Water Resources Research, under revision, February 2011.

Aziz, Z., B. Bostick, Y. Zheng, M.R Huq, M.M. Rahman, K.M. Ahmed, and A. van Geen, Suppression of arsenic release to shallow groundwater of Bangladesh by reduced sulfur, resubmitted to Environmental Science and Technology, October 2010.

Peer-reviewed publications:

van Geen A, C Bravo, V Gil, S Sherpa, D Jack, Soil as a source of lead exposure in Peruvian mining towns: A national assessment supported by two contrasting examples, Bulletin of the World Health Organization, 90:878–886, 2012. (pdf)

Knappett P, LD McKay, A Layton, DE Williams, MJ Alam, BJ Mailloux, AS Ferguson, PJ Culligan, ML Serre, M Emch, KM Ahmed, GS Sayler, A van Geen, Unsealed tubewells lead to increased fecal contamination of drinking water, Journal of Water and Health 10.4, 565-578, 2012. (pdf)

George, CM, Y Zheng, JH Graziano, SB Rasul, JL Mey, A van Geen, Evaluation of an arsenic test kit for rapid well screening in Bangladesh, Environmental Science and Technology 46, 11213–11219, 2012. (pdf)

George, Christine Marie, K Khan, Tariqul Islam, Ashit Singha, Joyce Moon-Howard, Pam Factor-Litvak, Alexander van Geen, Joseph H Graziano, Approaches to increase arsenic awareness in Bangladesh: An evaluation of an arsenic education program, Health Education & Behavior, doi: 10.1177/1090198112454735, 2012. (pdf)

Bennear L, A Tarozzi, A Pfaff, HB Soumya, KM Ahmed, A van Geen, Impacts of a randomized controlled trial in arsenic risk communication on household water supply choices in Bangladesh, Journal of Environmental Economics and Management, accepted June 2012. (pdf)

Ferguson AS, AC Layton, BJ Mailloux, PJ Culligan, DE Williams, AE Smartt, J Feighery, L McKay, P Knappett, E Alexandrova, T Arbit, M Emch, V Escamilla, KM Ahmed, MJ Alam, PK Streatfield, M Yunus, A van Geen, Comparison of fecal indicators with pathogenic bacteria and rotavirus in groundwater, Science of the Total Environment, 431, 314–322, 2012. (pdf)

Wu, F; Jasmine, F; Kibriya, MG; Liu, ML; Wojcik, O; Parvez, F; Rahaman, R; Roy, S; Paul-Brutus, R; Segers, S; Slavkovich, V; Islam, T; Levy, D; Mey, JL; van Geen, A; Graziano, JH; Ahsan, H; Chen, Y. Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers, American Journal of Epidemiology 175, 1252-1261, 2012. (pdf)

George CM, Graziano JH, Mey JL, van Geen A, Impact on arsenic exposure of a growing proportion of untested wells in Bangladesh, Environmental Health 11:7, DOI: 10.1186/1476-069X-11-7, 2012. (pdf)

Khan, K, GA Wasserman, X Liu, E Ahmed, F Parvez, V Slavkovich, D Levy, J Mey, A van Geen, JH Graziano, P Factor-Litvak, Manganese exposure from drinking water and children’s academic achievement, NeuroToxicology 33, 91-97, 2012. (pdf)

Knappett PSK, LD McKay, A Layton, DE Williams, MJ Alam, MR Huq, J Mey, JE Feighery, PJ Culligan, BJ Mailloux, J Zhuang, V Escamilla, M Emch, E Perfect, GS Sayler, KM Ahmed, Implications of fecal bacteria input from latrine-polluted ponds for wells in sandy aquifers, Environmental Science and Technology 46, 1361–1370, 2012. (pdf)

Wasserman, G.A., X. Liu, F. Parvez, H. Ahsan, D. Levy, P. Factor-Litvak, J. Kline, A. van Geen, J. Mey, V. Slavkovich, Abu Siddique, T. Islam, J.H. Graziano, Arsenic and manganese exposure and children’s intellectual function, NeuroToxicology 32, 450-457, 2011. (pdf)

Wu J, A van Geen, KM Ahmed,Y Akita, MJ Alam, PJ Culligan, V Escamilla, J Feighery, AS Ferguson, P Knappett, BJ Mailloux, LD McKay, ML Serre, PK Streatfield, M Yunus, M Emch, Increase in diarrheal disease associated with arsenic mitigation in Bangladesh, PLoS ONE 6(12): e29593. doi:10.1371/journal.pone.0029593, 2011. (pdf)

Wu, J, M Yunus, PK Streatfield, A van Geen, V Escamilla, Y Akita, M Serre, M Emch, Impact of tubewell access and depth on childhood diarrhea in Matlab, Bangladesh, Environmental Health 10:109 doi:10.1186/1476-069X-10-109, 2011. (pdf)

Ferguson AS, BJ Mailloux, KM Ahmed, A van Geen, LD McKay, and PJ Culligan, Hand-pumps as reservoirs for microbial contamination of well water, Journal of Water and Health 9.04: 708-717, 2011. (pdf)

Knappett, PSK, V Escamilla, A Layton, LD McKay, M Emch, DE Williams, MR Huq, MJ Alam, L Farhana, BJ Mailloux, A Ferguson, GS Sayler, KM Ahmed, A van Geen, Impact of sanitation on fecal bacteria and pathogens in ponds of Bangladesh, Science of the Total Environment 409, 3174-3182, 2011. (pdf)

Radloff K.A., Y. Zheng, H.A. Michael, M. Stute, B. Bostick, I. Mihajlov, M. Bounds, M. R. Huq, I. Choudhury, M.W. Rahman, P. Schlosser, K. M. Ahmed, A. van Geen, Arsenic migration to deep groundwater in Bangladesh influenced by adsorption and water demand, Nature Geoscience 4,793–798, 2011. (pdf)

Parvez F, GA Wasserman, P Factor-Litvak, X Liu, V Slavkovich, AB Siddique, Rebeka Sultana, Ruksana Sultana, T Islam, D Levy, JL Mey, A van Geen, KM Khan, J Kline, H Ahsan, JH Graziano, Arsenic exposure and motor function among children in Bangladesh, Environmental Health Perspectives 119:1665-1670, 2011. (pdf)

Chen Y, JH Graziano, F Parvez, M Liu, V Slavkovich, T Kalra, M Argos, T Islam, A Ahmed, M Rakibuz-Zaman, R Hasan, D Levy, A van Geen, and H Ahsan, Arsenic exposure from drinking water and cardiovascular disease mortality: A prospective cohort study in Bangladesh, British Medical Journal 342:d243, 2011. (pdf)

Khan, K., P. Factor-Litvak, G.A. Wasserman, X. Liu, E. Ahmed, F. Parvez, V. Slavkovich, D. Levy, J. Mey, A. van Geen, J.H. Graziano, Effect of manganese exposure from drinking water on children’s classroom behaviour, Environmental Health Perspectives 119, 1501-1506, 2011. (pdf)

Escamilla, V., B. Wagner, M. Yunus, P.K. Streatfield, A. van Geen, M. Emch, Effect of deep tube well use on childhood diarrhoea in Bangladesh, Bulletin of the World Health Organization, 89:521–527, 2011. (pdf)

Dhar, RK, Y Zheng, CW Saltikov, KA Radloff, B Mailloux, KM Ahmed, A van Geen, Microbes enhance mobility of arsenic in Pleistocene aquifer sand from Bangladesh, Environmental Science and Technology, dx.doi.org/10.1021/es1022015, 2011. (pdf)

van Geen A, KM Ahmed, Y Akita, MJ Alam, PJ Culligan, J Feighery, A Ferguson, M Emch, V Escamilla, P Knappett, AC Layton, BJ Mailloux, LD McKay, JL Mey, ML Serre, PK Streatfield, J Wu, M Yunus, Fecal contamination of shallow tubewells in Bangladesh inversely related to arsenic, Environmental Science and Technology, DOI: 10.1021/es103192b Publication Date (Web): January 12, 2011. (pdf)

Marchitto, T.M., R. Muscheler, J.D. Ortiz, J.D. Carriquiry, A. van Geen. Dynamical response of the tropical Pacific Ocean to solar forcing during the Holocene. Science 330, 1378-1381, 2010. (pdf)

Garnier, J.-M., F. Travassac, V. Lenoble, J. Rose, Y. Zheng, M. Hossain, S. Chowdhury, A. Biswas, K.M. Ahmed; Z. Cheng, A. van Geen, Temporal variations in arsenic uptake by rice plants: The role of iron plaque in paddy fields of Bangladesh irrigated with groundwater, Science of the Total Environment 408, 4185-4193, 2010. (pdf)

Knappett PSK, A Layton, LD McKay, D Williams , BJ Mailloux, MdR Huq, MdJ Alam, KM Ahmed, Y Akita, ML Serre, GS Sayler, A van Geen, Efficacy of hollow-fiber ultrafiltration for microbial sampling in groundwater, Ground Water DOI: 10.1111/j.1745-6584.2010.00712.x, 2011. (pdf)

Leber J, MM Rahman, KM Ahmed, B Mailloux, A van Geen, Contrasting influence of geology on E. coli and arsenic in aquifers of Bangladesh, Ground Water DOI: 10.1111/j.1745-6584.2010.00689.x, 2011. (pdf)

Argos, M., T Kalra, PJ Rathouz, Y Chen, B Pierce, F Parvez, T Islam, A Ahmed, M Rakibuz-Zaman, R Hasan, G Sarwar, V Slavkovich, A van Geen, J Graziano, H Ahsan, A prospective cohort study of arsenic exposure from drinking water and all-cause and chronic disease mortality in Bangladesh, The Lancet, DOI:10.1016/S0140-6736(10)60481-3, 2010. (pdf)

Fendorf S., H. Michael, A. van Geen, Spatial and temporal variations of groundwater arsenic in South and Southeast Asia, Science, 328, 1123-1127, 2010. (pdf)

van Geen, A, K Radloff, Z Aziz, Z Cheng, MR Huq, KM Ahmed, B Weinman, S. Goodbred, M. Berg, PTK Trang, L Charlet, J Metral, D Tisserand, S Guillot, S Chakraborty, AP Gajurel, BN Upreti, Comparison of arsenic concentrations in simultaneously-collected groundwater and aquifer particles from Bangladesh, India, Vietnam, and Nepal, Applied Geochemistry, 23, 3244-3251, 2008. (pdf)

Eiche, E., T. Neumann, M. Berg, B. Weinman, S. Norra, Z. Berner, A. van Geen, P.T.K. Trang, P.H. Viet, D. Stüben, Geochemical processes underlying a sharp contrast in groundwater arsenic concentrations in a village on the Red River delta, Vietnam, Applied Geochemistry, 23, 3143-3154, 2008. (pdf)

Radloff, KA, AR Manning, B. Mailloux, Y. Zheng, MM Rahman, MR. Huq, KM Ahmed, M Stute, A van Geen, Considerations for conducting incubations to study the mechanisms of As release in reducing groundwater aquifers, Applied Geochemistry, 23, 3224-3235, 2008. (pdf)

Dhar, R.K., Y. Zheng, M. Stute, A. van Geen, Z. Cheng, M. Shanewaz, M. Shamsudduha, M.A. Hoque, M.W. Rahman, and K.M. Ahmed, Temporal variability of groundwater chemistry in shallow and deep aquifers of Araihazar, Bangladesh, Journal of Contaminant Hydrology 99, 97–111, 2008. (pdf)

Zablotska, L. B.,Chen, Y., Graziano, J. H., Parvez, F., van Geen, A., Howe, G. R., Ahsan, H., Protective effects of B vitamins and antioxidants on the risk of arsenic-related skin lesions in Bangladesh, Environmental Health Perspectives 116, 1056-1062, 2008. (pdf)

Aziz, Z., A. van Geen, R. Versteeg, A. Horneman, Y. Zheng, S. Goodbred, M. Steckler, M. Stute, B. Weinman, I. Gavrieli, M.A. Hoque, M. Shamsudduha, and K.M. Ahmed, Impact of local recharge on arsenic concentrations in shallow aquifers inferred from the electromagnetic conductivity of soils in Araihazar, Bangladesh, Water Resources Research 44, W07416, doi:10.1029/2007WR006000, 2008. (pdf)

van Geen, A., Y. Zheng, S. Goodbred Jr., A. Horneman, Z. Aziz, Z. Cheng, M. Stute, B. Mailloux, B. Weinman, M.A. Hoque, A.A. Seddique, M.S. Hossain, S.H. Chowdhury, and K. M. Ahmed, Flushing history as a hydrogeological control on the regional distribution of arsenic in shallow groundwater of the Bengal Basin, Environmental Science and Technology, 42, 2283-2288, 2008. (pdf)

Auffan, M., J. Rose, O. Proux, D. Borschneck, A. Masion , P. Chaurand, J.L. Hazemann, C. Chaneac, J.P. Jolivet, M. Wiesner, A. v an Geen, J.Y. Bottero, Enhanced adsorption of arsenic onto maghemites nanoparticles: As(III) as a probe of the surface structure and heterogeneity, Langmuir, 24, 3215-3222, 2008. (PDF)

 

Horneman, A., M. Stute, P. Schlosser, W. Smethie Jr, N. Santella, B. Mailloux, E. Gorman, Y. Zheng, and A. van Geen, Degradation of CFC-11, CFC-12 and CFC-113 in anoxic shallow aquifers of Araihazar, Bangladesh, Journal of Contaminant Hydrology , 97, 27-41, 2008. (PDF)

Métral, J., L. Charlet, S. Bureau, S. B. Mallik, S. Chakraborty, K.M. Ahmed, M.W. Rahman, Z. Cheng, and A.van Geen, Comparison of dissolved and particulate arsenic distributions in shallow aquifers of Chakdaha, India, and Araihazar, Bangladesh, Geochemical Transactions , 9:1 doi:10.1186/1467-4866-9-1, 2008. (PDF)

van Geen, A., Z. Cheng, Q. Jia, A. A. Seddique, M. W. Rahman, M. M. Rahman, and K. M. Ahmed, Monitoring 51 deep community wells in Araihazar , Bangladesh , for up to 5 years: Implications for arsenic mitigation, Journal of Environmental Science and Health , 42, 1729-1740, 2007. (PDF)

Hafeman, D., P. Factor-Litvak, Z. Cheng, A. van Geen, H. Ahsan, Association between manganese exposure through drinking water and infant mortality in Bangladesh, Environmental Health Perspectives, 115, 1107-1112, 2007. (PDF)

Marchitto, T.M., S. J. Lehman, J. D. Ortiz, J. Flückiger, A. van Geen, Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise, Science, 316, 1456-1459, 2007. (PDF)

Radloff, K.A., Z. Cheng, M.W. Rahman, K.M. Ahmed, B.J. Mailloux, A.R. Juhl, P. Schlosser, and A. van Geen.  Mobilization of arsenic during one-year incubations of grey aquifer sands from Araihazar, Bangladesh, Environmental Science and Technology, 41, 3639-3645, 2007. (PDF)

Chen, Y., A. van Geen , J. Graziano , A. Pfaff, M. Madajewicz, F. Parvez , I. Hussain, Z. Cheng, V. Slavkovich, T. Islam, and H. Ahsan, Reduction in urinary arsenic levels in response to arsenic mitigation in Araihazar, Bangladesh, Environmental Health Perspectives, 115, 917-923, 2007. (PDF)

Cheng, Z., B.M. Buckley, B. Katz, W. Wright, R. Bailey, K.T. Smith, A. van Geen, Arsenic in tree rings at a highly contaminated site, Science of the Total Environment, 376, 324-334, 2007. (PDF)

Stute, M., Y. Zheng, P. Schlosser, A. Horneman, R.K. Dhar, M. A. Hoque, A. A. Seddique, M. Shamsudduha, K. M. Ahmed, and A. van Geen, Increase in arsenic concentrations with groundwater age in shallow Bangladesh aquifers, Water Resources Research, in press January 2007. (PDF)

Madajewicz, M., A. Pfaff, A. van Geen, J. Graziano, I. Hussein, H. Momotaj, R. Sylvi, and H. Ahsan, Can information alone both improve awareness and change behavior? Response to arsenic contamination of groundwater in Bangladesh, Journal of Development Economics, 84, 731-754, 2007. (PDF)

 

Opar, A., A. Pfaff, A. A. Seddique, K. M. Ahmed, J. H. Graziano, and A. van Geen, Responses of 6500 households to arsenic mitigation in Araihazar, Bangladesh, Health & Place 13, 164-172, 2007. (PDF)

 

Chen, Y., M. Hall, J. H. Graziano, V. Slavkovich, A.van Geen, F. Parvez, and H. Ahsan, A prospective study of blood selenium levels and the risk of arsenic-related premalignant skin lesions, Cancer Epidemiology, Biomarkers and Prevention, 16, 207-213, 2007. (PDF)

 

van Geen, A., M. Trevisani, J. Immel, Md. Jakariya, N. Osman, Z. Cheng, A. Gelman, and K.M. Ahmed, Targeting low-arsenic groundwater with mobile-phone technology in Araihazar, J. Health Population and Nutrition, 24, 282-297, 2006. (PDF)

Ahmed, M.F., S. Ahuja, M. Alauddin, S. J. Hug, J.R. Lloyd, A. Pfaff, T. Pichler, C. Saltikov, M. Stute, and A. van Geen, Ensuring safe drinking water in Bangladesh, Science 314, 1687-1688, 2006. (PDF)

Hall, M., Y. Chen, H. Ahsan, V. Slavkovich, A. van Geen, F. Parvez and J. Graziano, Blood arsenic as a biomarker of arsenic exposure: results from a prospective study, Toxicology 225, 225-233, 2006. (PDF)

van Geen, A., Y. Zheng, Z. Cheng, H. Yi, R. Dhar, J. M. Garnier, J. Rose, A. A. Seddique, M. A. Hoque, and K.M. Ahmed, Impact of irrigation with groundwater elevated in arsenic on rice paddies in Bangladesh, Science of the Total Environment, 367, 769-777, 2006. (PDF)

  

Ahsan, H., A., Y. Chen, F. Parvez, L. Zablotska, M. Argos, A.Z.M. Iftikhar Hussain, H. Momotaj, D. Levy, Z. Cheng, V. Slavkovich, A. van Geen, G.R. Howe, J.H Graziano, Arsenic exposure from drinking water and risk of premalignant skin lesions in Bangladesh: Baseline results from the Health Effects of Arsenic Longitudinal Study (HEALS), American Journal of Epidemiology 163, 12 doi:10.1093/aje/kwj154, 2006. (PDF)

Dean, W. E., Y. Zheng, J. D. Ortiz, and A. van Geen, Sediment Cd and Mo accumulation in the oxygen-minimum zone off western Baja California linked to global climate over the past 52 kyr, Paleoceanography, 21, PA4209, doi:10.1029/2005PA001239, 2006. (PDF)

van Geen, A., W. M. Smethie, Jr., A. Horneman, and H. Lee, Sensitivity of the North Pacific oxygen minimum zone to changes in ocean circulation: A simple model calibrated by chlorofluorocarbons, J. Geophys. Res., 111, C10004, doi:10.1029/2005JC00319, 2006. (PDF)

Chen, Y., J. H. Graziano, F. Parvez, I. Hussain, H. Momotaj, A. van Geen, G. R. Howe, H. Ahsan, Modification of risk of arsenic-induced skin lesions by sunlight exposure, smoking, and occupational exposures in Bangladesh, Epidemiology 17, 459-467, 2006. (PDF)

Parvez F, Cheng Y, Argos M, Hussain AZM, Momotaj H, Dhar R, van Geen A, Graziano JH, Ahsan H, Prevalence of arsenic exposure from drinking water and awareness of its health risks in a Bangladeshi population: Results from a large population-based study, Environmental Health Perspectives 114, 355-359, 2006. (PDF

  

Ahsan H, Chen Y, Parvez F, Argos M, Hussain AI, Momotaj H, Levy D, van Geen A, Howe G., Graziano JH, Health Effects of Arsenic Longitudinal Study (HEALS): Description of a multidisciplinary epidemiologic investigation, J. Exposure Science and Environmental Epidemiology 16, 191-205, 2006. (PDF)

Ahsan, H., Y. Chen, F. Parvez, L. Zablotska, M. Argos, A.Z.M. Iftikhar Hussain, H. Momotaj, D. Levy, Z. Cheng, V. Slavkovich, A. van Geen, G.R. Howe, J.H Graziano, Arsenic exposure from drinking water and risk of premalignant skin lesions in Bangladesh: Baseline results from the Health Effects of Arsenic Longitudinal Study (HEALS), American Journal of Epidemiology, in press January 2006. (PDF)

Wasserman, G. A., X. Liu, F. Parvez, H. Ahsan, D. Levy, P. Factor-Litvak, J. Kline, A. van Geen, V. Slavkovich, N.. J. LoIacono, Z. Cheng, Y. Zheng, J. H. Graziano, Water manganese exposure and children’s intellectual function in Araihazar, Bangladesh, Environmental Health Perspectives, 114, 124-129, 2006. (PDF)

Sigman, D.M., J. Granger, P. DiFiore, M. Lehmann, R. Ho, G. Cane, and A. van Geen, Coupled nitrogen an oxygen isotope measurements of nitrate along the North Pacific margin, Global Biogeochemical Cycles, 19, GB4022, doi: 10.1029/2005 GB002458, 2005. (PDF)

Thoral, S., J. Rose, J. M. Garnier, A. van Geen, P. Refait, A. Traverse, E. Fonda, D. Nahon, and J. Y. Bottero, XAS study of iron and arsenic speciation during Fe(II) oxidation in the presence of As(III), Environmental Science and Technology, 39, 9478-9485, 2005. (PDF)

Cheng, Z., A. van Geen, R. Louis, N. Nikolaidis, and R. Bailey, Removal of methylated arsenic from groundwater with iron filings, Environmental Science and Technology, 39, 7662-766, 2005. (PDF)

Zheng, Y., A. van Geen, M. Stute, R. Dhar, Z. Mo, Z. Cheng, A. Horneman, I. Gavrieli, H.J. Simpson, R. Versteeg, M. Steckler, A. Grazioli-Venier, S. Goodbred, M. Shanewaz, M. Shamsudduha, M. Hoque, and K. M. Ahmed, Geochemical and hydrogeological contrasts between shallow and deeper aquifers in two villages of Araihazar, Bangladesh: Implications for deeper aquifers as drinking water sources, Geochim. Cosmochim. Acta, 69(22), 5203-5218, 2005. (PDF)

Hafeman, D.M., H. Ahsan, E.D. Louis, A.B. Siddique, V. Slavkovich, Z. Cheng, A. van Geen, J.H. Graziano, Association between arsenic exposure and a measure of subclinical sensory neuropathy in Bangladesh, Journal of Occupational and Environmental Medicine, 47, 778-784, 2005. (PDF)

Cheng, Z., A. van Geen, A. A. Seddique, and K.M. Ahmed, Limited temporal variability of arsenic concentration in 20 wells monitored for 3 years in Araihazar, Bangladesh, Environmental Science and Technology, 39(13); 4759-4766, 2005. (PDF)

Chase, Z., B. Hales, T. J. Cowles, R. Schwartz, and A. van Geen, Distribution and variability of iron input to Oregon coastal waters during the upwelling season, Journal of Geophysical Research, 110, Art. No. C10S12, 2005. (PDF)

van Geen, A., Z.Cheng, A. A. Seddique, M. A. Hoque, A. Gelman, J. H. Graziano, H. Ahsan, F. Parvez, and K.M. Ahmed, Reliability of a commercial kit to test groundwater for arsenic in Bangladesh, Environmental Science and Technology, 39(1); 299-303, 2005. (PDF)

Hales, B., A. van Geen, and T. Takahashi, High-frequency measurement of seawater chemistry: flow-injection analysis of macronutrients, Limnology and Oceanography: Methods, 2, 91-101, 2004. (PDF)

Dhar, R. K. Y. Zheng, J. Rubenstone, and A. van Geen, Rapid spectrophotometric determination of dissolved inorganic arsenic in groundwater, Analytica Chimica Acta, 526, 206-209, 2004. (PDF)

Gelman, A., M. Trevisani, H. Lu, and A. van Geen. Direct data manipulation for local decision analysis, as applied to the problem of arsenic in drinking water from tube wells in Bangladesh, Risk Analysis, 24, 1597-1612, 2004. (PDF)

van Geen, A., T. Protus, Z. Cheng, A. Horneman, A.A. Seddique, Hoque, M.A., and K.M. Ahmed, Testing groundwater for arsenic in Bangladesh before installing a well, Environmental Science and Technology, 38(24); 6783-6789, 2004. (PDF)

Takesue, R. and A. van Geen, Bivalve Mg/Ca, Sr/Ca, and stable isotopes: potential paleo-environmental proxies in a northern California upwelling region, Geochimica et Cosmochimica Acta, 68, 3845-3861, 2004. (PDF)

Cheng, Z., Y. Zheng, R. Mortlock, A. van Geen, Rapid multi-element analysis of groundwater by high-resolution inductively coupled plasma mass spectrometry, Analytical and Bioanalytical Chemistry, 379: 513-518, 2004. (PDF)

Horneman, A., A. van Geen, D. Kent, P. E. Mathe, Y. Zheng, R. K. Dhar, S. O'Connell, M. Hoque, Z. Aziz, M. Shamsudduha, A. Seddique, and K. M. Ahmed, Decoupling of As and Fe release to Bangladesh groundwater under reducing conditions. Part I: Evidence from sediment profiles, Geochimica et Cosmochimica Acta, 68, 3459-3473, 2004. (PDF)

van Geen, A., S. Thoral, J. Rose, J. M. Garnier, Y. Zheng, and J. Y. Bottero, Decoupling of As and Fe release to Bangladesh groundwater under reducing conditions. Part II: Evidence from sediment incubations, Geochimica et Cosmochimica Acta, 68, 3475-3486, 2004. (PDF)

Cheng, Z., A. van Geen, C. Jing, X. Meng, A.A. Seddique, K.M. Ahmed, Performance of a household-level arsenic removal system during 4-month deployments in Bangladesh, Environmental Science and Technology, 38, 3442-3448, 2004. (PDF)

Ortiz, J.D., S.E. O'Connell, J. DelViscio, W. Dean, J.D. Carriquiry, T. Marchitto, Y. Zheng, and A. van Geen, Enhanced marine productivity off western North America during warm climate intervals of the past 52 kyr, Geology, 32, 521-524, 2004. (PDF)

Wasserman, G.A., X. Liu, F. Parvez, H. Ahsan, P. Factor-Litvak, A. van Geen, Z. Cheng, V. Slavkovich, I. Hussain, H. Momotaj, J. H. Graziano, Water arsenic exposure and children's intellectual function in Araihazar, Bangladesh, Environmental Health Perspectives, 112: 1329-1333, 2004. (PDF)

Takesue, R. K., A. van Geen, J. D. Carriquiry, E. Ortiz, L. GodÌnez-Orta, I. Granados, M. SaldÌvar, L. Ortlieb, R. Escribano, N. Guzman, J. C. Castilla, M. Varas, M. Salamanca, C. Figueroa, Influence of coastal upwelling and El NiÒo-Southern Oscillation on nearshore water along Baja California and Chile: Shore-based monitoring during 1997-2000, J. Geophys. Res., 109, C03009, doi: 10.1029/2003JC001856, 2004. (PDF)

Zheng, Y., M. Stute, A. van Geen, I. Gavrieli, R. Dhar, H. J. Simpson, P. Schlosser, and K. M. Ahmed, Redox control of arsenic mobilization in Bangladesh groundwater, Applied Geochemistry, 19, 201-214, 2004. (PDF)

van Geen, A., Y. Zheng, J. M. Bernhard, K. G. Cannariato, J. Carriquiry, W. E. Dean, B. W. Eakins, J. Pike and other participants 1999 RV Melville Baja California cruise, On the preservation of laminated sediments along the western margin of North America, Paleoceanography, 18, 1098, 10.1029/2003PA000911, 2003. (PDF)

van Geen, A., K. M. Ahmed, A. A. Seddique, and M. Shamsudduha, Community wells to mitigate the current arsenic crisis in Bangladesh, Bulletin of the World Health Organization, 82, 632-638, 2003. (PDF)

Emile-Geay, J., M. A. Cane, N. Naik, R. Seager, A. C. Clement, and A. van Geen, Warren revisited: Atmospheric freshwater fluxes and "Why is no deep water formed in the North Pacific", J. Geophys. Res. Oceans, 108, 3178, doi:10.1029/2001JC001058, 2003. (PDF)

van Geen, Y. Zheng, R. Versteeg, M. Stute, A. Horneman, R. Dhar, M. Steckler, A. Gelman, C. Small, H. Ahsan, J. Graziano, I. Hussein, and K. M. Ahmed, Spatial variability of arsenic in 6000 tube wells in a 25 km2 area of Bangladesh, Water Resources Research, 39(5), 1140, doi:10.1029/2002WR001617, 2003. (PDF)

Sigman, D. M., R. Robinson, A. N. Knapp, A. van Geen, D. C. McCorkle, J. A. Brandes, R. C. Thunell, Distinguishing between water column and sedimentary denitrification in the Santa Barbara Basin using the stable isotopes of nitrate, G3 (Geochemistry, Geophysics, Geosystems), 4, 1040, doi:10.1029/2002GC000384, 2003. (PDF)

van Geen, A., H. Ahsan, A. H. Horneman, R. K. Dhar, Y. Zheng, I. Hussain, K. M. Ahmed, A. Gelman, M. Stute, H. J. Simpson, S. Wallace, C. Small, F. Parvez, V. Slavkovich, N. J. LoIacono, M. Becker, Z. Cheng, H. Momotaj, M. Shahnewaz, A. A. Seddique, and J. H. Graziano, Promotion of well-switching to mitigate the current arsenic crisis in Bangladesh, Bulletin of the World Health Organization, 81, 732-737, 2002. (PDF)

Chase Z, van Geen A, Kosro PM, Marra J, Wheeler PA, Iron, nutrient, and phytoplankton distributions in Oregon coastal waters, J. Geophys. Res. (Oceans), 107 (C10): art. no. 3174 SEP-OCT 2002. (PDF)

Zheng Y., Anderson R.F., van Geen A., Fleisher M.Q., Remobilization of authigenic uranium in marine sediments by bioturbation, Geochimica et Cosmochimica Acta, 66 (10): 1759-1772, 2002. (PDF)

Zheng Y, Anderson RF, van Geen A, Fleisher MQ, Preservation of particulate non-lithogenic uranium in marine sediments, Geochimica et Cosmochimica Acta, 66 (17): 3085-3092 SEP 2002. (PDF)

Takesue, R., and A. van Geen, Nearshore circulation during upwelling inferred from the distribution of dissolved cadmium off the Oregon coast, Limnology and Oceanography, 41: 176-185, 2002. (PDF)

Pailler D., E. Bard, F. Rostek, Y. Zheng, R. Mortlock, and A.van Geen, Burial of redox-sensitive metals and organic matter in the equatorial Indian Ocean linked to precession, Geochim. Cosmochim. Acta, 66, 849-865, 2002. (PDF)

Ahsan H, Perrin M, Rahman A, Hasnat A, Parvez MF, Brandt-Rauf P, Zheng Y, Stute, M, van Geen A, Graziano J, Association between drinking water and urinary arsenic levels and skin lesions in Bangladesh, J. Occup. Environ. Med. 42(12): 1195-1201, 2000. (PDF)

Zheng, Y., A. van Geen, R. F. Anderson, J. V. Gardner, and W. E. Dean, Intensification of the northeast Pacific oxygen minimum zone during the Bolling/Allerod warm period, Paleoceanography, 15, 528-536, 2000. (PDF)

Zheng, Y., R. F Anderson, A. van Geen, and J. S. Kuwabara, Controls of authigenic Mo formation in marine sediment: Linkage to pore water sulfide, Geochim. Cosmochim. Acta, 64, 4165-4178, 2000. (PDF)

van Geen, A., R. Takesue, J. Goddard, T. Takahashi, J. A. Barth, and R. L. Smith, Carbon and nutrient dynamics during coastal upwelling off Cape Blanco, Oregon, Deep-Sea Research II, 47, 975-1002, 2000. (PDF)

van Geen, A., R. Takesue, and Z. Chase, Acid mine tailings in southern Spain, Special issue on Aznalcollar mining accident, J. Grimalt, Ed., Science of the Total Environment, 242, 221-229, 1999. (PDF)

Kuwabara, J. S., A. van Geen, D. C. McCorkle, and J. M. Bernhard, Dissolved sulfide distributions in the water column and sediment pore waters of the Santa Barbara basin, Geochim. Cosmochim. Acta, 63, 2199-2209, 1999. (PDF)

van Geen, A., and S. N. Luoma, The impact of human activities on sediments of San Francisco Bay: An overview, Marine Chemistry, 64, 1-6, 1999. (PDF)

Fuller, C. C., A. van Geen, M. Baskaran, R. Anima, Sediment chronology in San Francisco Bay, California, defined by 210Pb, 234Th, 137Cs, and 239,240Pu, Marine Chemistry, 64, 7-27, 1999. (PDF)

van Geen, A., N. Valette-Silver, S. N. Luoma, F. Tera, and J. Klein, Constraints on the sedimentation history of San Francisco Bay from 10Be and 14C, Marine Chemistry, 64, 29-38, 1999. (PDF)

Hornberger, M., S. N. Luoma, A. van Geen, C. Fuller and R. Anima, Historical trends of trace metals in the sedimens of San Francisco Bay, California, Marine Chemistry, 64, 39-55, 1999. (PDF)

van Geen, A. and S. N. Luoma, A record of estuarine water column contamination from the Cd content of foraminiferal tests in San Francisco Bay, California, Marine Chemistry, 64, 57-69, 1999. (PDF)

Venkatesan, M.I., R. P. de Leon, A. van Geen, and S. N. Luoma, Chlorinated hydrocarbon pesticides and polychlorinated biphenyls in sediment cores from San Francisco Bay, Marine Chemistry, 64, 85-97, 1999. (PDF)

Pereira, W.E., F. D. Hostettler, S. N. Luoma, and A. van Geen, Sedimentary record of anthropogenic and biogenic polycyclic aromatic hydrocarbons in San Francisco Bay, California, Marine Chemistry, 64, 99-113, 1999. (PDF)

Hostettler, F. D., W. E. Pereira, K. A. Kvenfolden, A. van Geen, and S. N. Luoma, A record of contaminant input to San Francisco Bay as traced by biomarker profiles in surface sediments and sediment cores, Marine Chemistry, 64, 115-127, 1999. (PDF)

Luoma, S. N., A. van Geen, B. G. Lee, J. E. Cloern, and J. Thompson, Metal uptake by phytoplankton during a bloom in South San Francisco Bay: Implications for metal cycling in estuaries, Limnology and Oceanography, 43, 1007-1016, 1998. (PDF)

van Geen, A., J. F. Adkins, E. A. Boyle, C. H. Nelson, and A. Palanques, A 120-yr record of widespread contamination from mining of the Iberian pyrite belt, Geology, 25, 291-294, 1997. (PDF)

van Geen, A., R. G. Fairbanks, P. Dartnell, M. McGann, J. V. Gardner, M. Kashgarian, Ventilation changes in the northeast Pacific during the last deglaciation, Paleoceanography, 11, 519-528, 1996. (PDF)

Lynch-Stieglitz, J., A. van Geen, and R. G. Fairbanks, Inter-ocean exchange of Glacial North Atlantic Intermediate Water: Evidence from Subantarctic Cd/Ca and carbon isotope measurements, Paleoceanography, 11, 191-201, 1996. (PDF)

van Geen, A., and D. M. Husby, Cadmium in the California Current: Tracer of past and present upwelling, J. Geophys. Res. (Oceans), 101, 3489-3507, 1996. (PDF)

van Geen, A., D. C. McCorkle, and G. P Klinkhammer, Sensitivity of the phosphate-cadmium-carbon isotope relation in the ocean to cadmium removal by suboxic sediments, Paleoceanography, 10, 159-170, 1995. (PDF)

van Geen, A., A. P. Robertson, and J. O. Leckie, Complexation of carbonate species at the goethite surface: Implications for adsorption of metal ions in natural waters, Geochim. Cosmochim. Acta, 58, 2073-2086, 1994. (PDF)

van Geen, A., and S. N. Luoma, Trace metals Cd, Cu, Ni, Zn and nutrients in coastal waters adjacent to San Francisco Bay, California, Estuaries, 16, 559-566, 1993. (PDF)

van Geen, A., S. N. Luoma, C. C. Fuller, R. Anima, H. E. Clifton, S. Trumbore, Evidence from Cd/Ca ratios in foraminifera for greater upwelling off California 4,000 years ago, Nature, 358, 54-56, 1992. (PDF)

van Geen, A., E.A. Boyle and W.S. Moore, Trace metal enrichments in waters of the Gulf of Cadiz, Spain, Geochim. Cosmochim. Acta, 55, 2173-2191, 1991. (PDF)

van Geen, A., and E. Boyle, Automated preconcentration of trace metals from sea water and fresh water, Analytical Chemistry, 62, 1705-1709, 1990. (PDF)

van Geen, A., and E. Boyle, Variability of trace metal fluxes through the Strait of Gibraltar, Palaeogeogr. Palaeoclimat. Palaeoecol., 89, 65-79, 1990. (PDF)

van Geen, A., E. Boyle and P. Rosener, Entrainment of trace-metal-enriched Atlantic shelf-water in the inflow to the Mediterranean Sea, Nature, 331, 423-426, 1988. (PDF)

Boyle, E. A., B. Handy and A. van Geen, Cobalt determination in natural waters using cation-exchange liquid chromatography with luminol chemiluminescence detection, Analytical Chemistry, 59, 1499-1503, 1987. (PDF)

Hedges, J. I., and A. van Geen, A comparison of lignin and stable carbon isotope compositions in Quaternary marine sediments, Marine Chemistry, 11, 43-54, 1982. (PDF)

 

Peer-reviewed conference volumes:

van Geen, A., Z. Aziz, A. Horneman, B. Weinman, R.K. Dhar, Y. Zheng, S. Goodbred, R. Versteeg, A.A. Seddique, M. A. Hoque, K.M. Ahmed, Preliminary evidence of a link between surface soil properties and the arsenic content of shallow groundwater in Bangladesh, Journal of Geochemical Exploration, 88, 157-161, 2006. (pdf)

Nikolaidis, N.P., Z. Cheng, A. van Geen, Removal of arsenic from Bangladesh groundwater with iron filings, In: Advances in Arsenic Research: Integration of Experimental and Observational Studies and Implications for Mitigation. Eds. P. A. O'Day, D. Vlassopoulos, X. Meng, and L. G. Benning, ACS Symposium Series, vol. 915. American Chemical Society, Washington, D.C., 2005. (pdf)

van Geen, A. and R. Takesue, Past and present coastal upwelling along the western Americas, In: Reconstructing Ocean History: A Window into the Future, Proceedings of the 6th International Conference on Paleoceanography, F. Abrantes and A. Mix, Eds., 399-418, 1999. (pdf)

Scientific correspondence:

van Geen, A., J. M. Duxbury, Comment on “Growing rice aerobically markedly decreases arsenic accumulation”, Environmental Science and Technology, DOI: 10.1021/es9002982, 2009. (pdf)

Cheng, Z., A. van Geen, A. A. Seddique, and K.M. Ahmed, Response to comments on "Limited temporal variability of arsenic concentration in 20 wells monitored for 3 years in Araihazar, Bangladesh", Environmental Science and Technology, 2006. (PDF)

van Geen, A., Z.Cheng, A. A. Seddique, M. A. Hoque, A. Gelman, J. H. Graziano, H. Ahsan, F. Parvez, and K.M. Ahmed, Response to comment on "Reliability of a commercial kit to test groundwater for arsenic in Bangladesh", Environmental Science and Technology, 39(1); 299-303, 2005. (PDF)

van Geen, A., Y. Zheng, M. Stute, and K. M. Ahmed, Comment on "Arsenic mobility and groundwaterextraction in Bangladesh" (II), Science, 300, 584, 2003. (PDF)

 

Editorials/Workshop reports:

van Geen, A, International Drilling to Recover Aquifer sands (IDRAs) and arsenic contaminated groundwater in Asia, Scientific Drilling 12, 49-52, 2011. (pdf)

van Geen, A. Arsenic meets dense populations, Nature Geoscience 1, 494-496, 2008. (pdf)

van Geen, A., J. H. Graziano, and K. M. Ahmed, Bangladesh's deadly wells, New York Times Op-Ed, July 30, 2005. (PDF)

Graziano, J.H. and A. van Geen, Reducing arsenic exposure from drinking water: Different settings call for different approaches, Environmental Health Perspectives, 113 (6), A360-361, 2005. (PDF)

van Geen, A., and Z. Chase, Recent spill adds to contamination of southern Spain, EOS, Transactions of the American Geophysical Union, v. 79, 449 & 455, 1998. (pdf)

 

© 2005, 2006 Lex Van Geen