Historical mercury trends recorded in sediments from the Laguna del Plata, Córdoba, Argentina

Chemie der Erde

Volumn 74, Issue 3, 2014, Pages 353-363

  Stupar, Yohana Vanesa ^a,b   Schäfer, Jörg ^a,c   García, María Gabriela ^b   Schmidt, Sabine ^a,c   Piovano, Eduardo ^b   Blanc, Gérard ^a,c   Huneau, Frédéric ^d,e   Le Coustumer, Philippe ^a  

^a UNIVERSITÉ DE BORDEAUX   (France)

^b UNIVERSIDAD NACIONAL DE CÓRDOBA   (Argentina)

^c UNIVERSITÉ BORDEAUX 1   (France)

^d UNIVERSITÉ DE CORSE   (France)

^e CNRS   (France)

Author keywords

Argentina; C rdoba; Evaporates; Hydroclimatic variability; Laguna del Plata; Laguna Mar Chiquita; Mercury speciation; Metal records in sediments; Selective extractions

Indexed keywords

CONCENTRATION (COMPOSITION); LACUSTRINE DEPOSIT; MERCURY (ELEMENT); PARTICULATE MATTER; PLUME; SALINE LAKE; SEDIMENT CHEMISTRY; SEDIMENT CORE; SPECIATION (CHEMISTRY); VOLCANIC ERUPTION;

AISEN; ANTOFAGASTA; ARGENTINA; BUENOS AIRES [ARGENTINA]; CHILE; CORDOBA [ARGENTINA]; LASCAR; MAR CHIQUITA LAGOON; MAR DEL PLATA HARBOR; MOUNT HUDSON; SOUTHERN VOLCANIC ZONE;

EID: 84907596476     PISSN: 00092819     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chemer.2013.11.002     Document Type: Article

References (107)

1. Aceituno P. On the functioning of the Southern Oscillation in the South American sector. Part I: surface climate. Monthly Weather Review 1988, 116:505-524.
2. Alborés A.F., Cid B.P., Gómez E.F., López E.F. Comparison between sequential extraction procedures and single extractions for metal partitioning in sewage sludge samples. Analyst 2000, 125:1353-1357.
3. Amin O., Ferrer L., Marcovecchio J. Heavy metal concentrations in litteral sediments from the Beagle Channel, Tierra del Fuego, Argentina. Environmental Monitoring and Assessment 1996, 41(3):219-231.
4. Appleby P.G. Chronostratigraphic techniques in recent sediments. Tracking Environmental Change Using Lake Sediments, Basin Analysis, Coring, and Chronological Techniques 2001, vol. 1. Kluwer Academic Publishers, Dordrecht, The Netherlands.
5. Arribére M.A., Ribeiro Guevara S., Sánchez R.S., Gil M.I., Román Ross G., Daurade L.E., Fajon V., Horvat M., Alcalde R., Kestelman A.J. Heavy metals in the vicinity of a chlor-alkali factory in the upper Negro River ecosystem, Northern Patagonia, Argentina. Science of the Total Environment 2003, 301(1-3):187-203.
6. Audry S., Blanc G., Schäfer J. The impact of sulphide oxidation on dissolved metal (Cd, Zn, Cu, Cr, Co, Ni, U) inputs into the Lot-Garonne fluvial system (France). Applied Geochemistry 2005, 20(5):919-931.
7. Audry S., Blanc G., Schäfer J. Solid state partitioning of trace metals in suspended particulate matter from a river system affected by smelting waste drainage. Science of the Total Environment 2006, 363:216-236.
8. Balcom P., Fitzgerald W., Hammerschmidt C., Lamborg C., Graham L. Mercury sources and speciation in the waters of New York/New Jersey Harbor Estuary. Mater. Geoenviron. 51, 795-798. Environmental Technology 2004, 13(12):1175-1179.
9. Bermond A.P. Thermodynamics applied to the study of the limits of sequential extraction procedures used for the speciation of trace elements in sediments and soils. Environmental Technology 1992, 13(12):1175-1179.
10. Biester H., Bindler R., Martinez-Cortizas A., Engstrom D.R. Modeling the past atmospheric deposition of mercury using natural archives. Environmental Science and Technology 2007, 41:4851-4860.
11. Böning P., Bard E., Rose J. Toward direct, micron-scale XRF elemental maps and quantitative profiles of wet marine sediments. Geochemistry, Geophysics, Geosystems 2007, 8(5). 10.1029/2006GC001480.
12. Botté S.E., Freije R.H., Marcovecchio J.E. Distribution of several heavy metals in tidal flats sediments within Bahía Blanca Estuary (Argentina). Water, Air and Soil Pollution 2010, 210:371-388. 10.1007/s11270-009-0260-0.
13. Boulanger J.-P., Leloup J., Penalba O., Rusticucci M., Lafon F., Vargas W. Observed precipitation in the Paraná-Plata hydrological basin: long-term trends, extreme conditions and ENSO teleconnections. Climate Dynamics 2005, 24:393-413.
14. Brunetto E., Iriondo M.H. Neotectónica en la Pampa Norte (Argentina). Revista de la Sociedad Geológica de España 2007, 20(1-2):17-29.
15. Bryan G.W., Langston W.J. Bioavailability, accumulation and effects of heavy metals in sediments with special reference to United Kingdom estuaries: a review. Environmental Pollution 1992, 76(2):89-131.
16. Bucher E.H., Gavier Pizarro G., Curto E.D. Cap. 1. Síntesis geográfica. En: Bañados del Río Dulce y Mar Chiquita (Córdoba, Argentina) 2006, 15-27. Academia Nacional de Ciencias, Córdoba, Argentina. E.H. Bucher (Ed.).
17. Castelle S., Schäfer J., Blanc G., Audry S., Etcheber H., Lissalde J.-P. 50-year record and solid state speciation of mercury in natural and contaminated reservoir sediment. Applied Geochemistry 2007, 22:1359-1370.
18. Constantine E.K., Bluth G.J.S., Rose W.I. TOMS and AVHRR observations of drifting volcanic clouds from the August 1991 eruptions of Cerro Hudson. Remote Sensing of Active Volcanism 2000, 45-64. Geophysical Monograph, Washington, DC. P. Mouginis-Mark, J.A. Crisp, J.H. Fink (Eds.).
19. Costa C. Tectónica cuaternaria en las Sierras Pampeanas. Geología Argentina. Anales 29. Subsecretaría de Minería de la Nación. Servicio Geológico Minero Argentino 1999, Instituto de Geología y Recursos Minerales, Buenos Aires.
20. Da Silva L.S.V., Piovano E.L., Azevedo D.d.A., Aquino Neto F.R.d. Quantitative evaluation of sedimentary organic matter from Laguna Mar Chiquita, Argentina. Organic Geochemistry 2008, 39(4):450-464.
21. De Marco S.G., Botté S.E., Marcovecchio J.E. Mercury distribution in abiotic and biological compartments within several estuarine systems from Argentina: 1980-2005 period. Chemosphere 2006, 65:213-223.
22. Depetris P.J., Kempe S., Latif M., Mook W.G. ENSO controlled flooding in the Paraná River (1904-1991). Naturwissenschaften 1996, 83:127-129.
23. Diaz E. Mercury pollution at gold mining sites in the Amazon environment. Principles of Environmental Toxicology 2000, University of Idaho, 24 pp.
24. Downs S.G., Macleod C.L., Lester J.N. Mercury in precipitation and its relation to bioaccumulation in fish: a literature review. Water, Air and Soil Pollution 1998, 108:149-187.
25. Etcheber H., Relexans J.-C., Beliard M., Weber O., Buscail R., Heussner S. Distribution and quality of sedimentary organic matter on the Aquitanian margin (Bay of Biscay). Deep-Sea Research II 1999, 46:2249-2288.
26. Elbaz-Poulichet F., Dezileau L., Freydier R., Cossa D., Sabatier P. A 3500-year record of Hg and Pb contamination in a mediterranean sedimentary archive (The Pierre Blanche Lagoon, France). Environmental Science and Technology 2011, 45(20):8642-8647.
27. Farrah H., Pickering W.F. Factors influencing the potential mobility and bioavailability of metals in dried lake sediments. Chemical Speciation and Bioavailability 1993, 5(3):81-96.
28. Fitzgerald W.F., Mason R.P. Biogeochemical cycling of mercury in the marine environment. Metal Ions in Biological Systems, Mercury and its Effects on Environment and Biological Systems 1997, vol. 34:3-110. Marcel Dekker Inc., New York.
29. Fitzgerald W.F., Lamborg C.H. Geochemistry of mercury in the environment. Treatise on Geochemistry 2003, 107-148. Elsevier, New York. B.S. Lollar, H.D. Holland, K.K. Turekian (Eds.).
30. Frank H. Contribución al conocimiento de las Salinas Grandes y la Mar Chiquita de la Provincia de Córdoba. Revista del Centro de Estudiantes de Ingienería 1915, 3:91L 107.
31. Gagnon C., Pelletier É., Mucchi A. Behaviour of anthropogenic mercury in coastal marine sediment. Marine Chemistry 1997, 59:159-176.
32. Gaiero D.M., Roman Ross G., Depetris P.J., Kempe S. Spatial and temporal variability of total non-residual heavy metals content in stream sediments from the Suquía river system, Córdooba, Argentina. Water, Air and Soil Pollution 1997, 93:303-319.
33. Gaiero D.M., Brunet F., Probst J.-L., Depetris P.J. A uniform isotopic and chemical signature of dust exported from Patagonia: rock sources and occurrence in southern environments. Chemical Geology 2007, 238(1-2):107-120.
34. Garreaud R.D., Vuille M., Compagnucci R., Marengo J. Present-day South American Climate (LOTRED South America). Palaeogeography, Palaeoclimatology, Palaeoecology 2009, 281:180-195.
35. Gilli A., Anselmetti F.S., Ariztegui D. Seismic stratigraphy, buried beach ridges and contourite drifts: the late quaternary history of the closed Lago Cardiel basin, Argentina (49°S). Sedimentology 2005, 51:1-23.
36. Hermanns Y.M., Biester H. Anthropogenic mercury signals in lake sediments from southernmost Patagonia, Chile. Science of the Total Environment 2013, 445-446:126-135.
37. Hudson-Edwards K.A., Macklin M.G., Miller J.R., Lechler P.J. Sources, distribution and storage of heavy metals in the Río Pilcomayo, Bolivia. Journal of Geochemical Exploration 2001, 72(3):229-250.
38. Huerta-Diaz M.A., Morse J.W. A quantitative method for determination of trace metal concentrations in sedimentary pyrite. Marine Chemistry 1990, 29:119-144.
39. Huerta-Diaz M.A., Morse J.W. Pyritization of trace metals in anoxic marine sediments. Geochimica et Cosmochimica Acta 1992, 56(7):2681-2702.
40. Iriondo M.H. Major fractures of the Chaco-Pampa plain. Bullettin of the INQUA 1989, 12-42. Neotectonics Commission, NA. N. Mörner (Ed.).
41. Iriondo M.H. Models of deposition of loess and loessoids in the Upper Quaternary of South America. Journal of South American Earth Sciences 1997, 10:71-79.
42. Johannessen S.C., Macdonald R.W., Eek K.M. Historical trends in mercury sedimentation and mixing in the strait of Georgia, Canada. Environmental Science and Technology 2005, 39:4361-4368.
43. King P., Kennedy H., Newton P.P., Jickells T.D., Brand T., Calvert S., Cauwet G., Etcheber H., Head B., Khripounoff A., Manighetti B., Miquel J.C. Analysis of total and organic carbon and total nitrogen in settling oceanic particles and a marine sediment: an interlaboratory comparison. Marine Chemistry 1998, 60:203-216.
44. Kostka J.E., Luther G.W. Partitioning and speciation of solid phase iron in saltmarsh sediments. Geochimica et Cosmochimica Acta 1994, 58(7):1701-1710.
45. Kratzmann D.J., Carey S., Naranjo J. Compositional variations and magma mixing in the 1991 eruptions of Hudson Volcano, Chile. Bulletin of Volcanology 2008, 71(4):419-439.
46. Kratzmann D.J., Carey S.N., Fero J., Scasso R.A., Naranjo J.A. Simulations of tephra dispersal from the 1991 explosive eruptions of Hudson volcano Chile. Journal of Volcanology and Geothermal Research 2010, 190:337-352.
47. Kröhling D., Iriondo M. Upper quaternary palaeoclimates of the Mar Chiquita area, North Pampa, Argentina. Quaternary International 1999, 57/58:149-163.
48. Lacerda L.D., De Souza M., Ribeiro M.G. The effects of land use change on mercury distribution in soils of Alta Floresta, Southern Amazon. Environmental Pollution 2004, 129:247-255.
49. Lamborg C.H., Fitzgerald W.F., Damman A.W.H., Benoit J.M., Balcom P.H., Engstrom D.R. Modern and historic atmospheric mercury fluxes in both hemispheres: global and regional mercury cycling implications. Global Chemical Cycles 2002, 16(4):1104.
50. Langston W.J., Burt G.R., Pope N.D. Bioavailability of metals in sediments of the Dogger Bank (central North Sea): a mesocosm study. Estuarine, Coastal and Shelf Science 1999, 48(5):519-540.
51. Larrose A., Coynel A., Schäfer J., Blanc G., Massé L., Maneux E. Assessing the current state of the Gironde Estuary by mapping priority contaminant distribution and risk potential in surface sediment. Applied Geochemistry 2010, 25:1912-1923.
52. Liang L., Sun Y., Yao Z., Liu Z., Wu F. Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner. Catena 2012, 92:75-82.
53. Lofi J., Weber O. SCOPIX - digital processing of X-ray images for the enhancement of sedimentary structures in undisturbed core slabs. Geo Marine Letters 2001, 20:182-186.
54. Löwemark L., Chen H.F., Yang T.N., Kylander M., Yu E.F., Hsu Y.W., Lee T.Q., Song S.R., Jarvis S. Normalizing XRF-scanner data A cautionary note on the interpretation of high-resolution records from organic-rich lakes. Journal of Asian Earth Sciences 2011, 40:1250-1256.
55. Ma Y., Uren N.C. Application of a new fractionation scheme for heavy metals in soils. Communications in Soil Science and Plant Analysis 1995, 26(19-20):3291-3303.
56. Marcovecchio J.E., Andrade S., Ferrer L.D., Asteasuain R.O., De Marco S.G., Gavio M.A., Scarlato N., Freije R.H., Pucci A.E. Mercury distribution in estuarine environments from Argentina: the detoxification and recovery of salt marshes after 15 years. Wetlands Ecology and Management 2001, 9(4):317-322.
57. Markgraf V. Past climate of South America. Climate of the Southern Continents: Present, Past and Future 1998, John Wiley & Sons Ltd., Hoboken, NJ. J.E. Hobbs, J.A. Lindesay, H.A. Bridgman (Eds.).
58. Martínez D.E. Caracterización geoquímica de las aguas de la Laguna Mar Chiquita Provincia de Córdoba 1991, 284. Universidad Nacional de Córdoba - Facultad de Ciencias Exactas Físicas y Naturales, (Doctoral Thesis).
59. Martínez D.E., Gómez Peral M.A., Maggi J. Caracterización geoquímica y sedimentológica de los fangos de la laguna Mar Chiquita, Provincia de Córdoba: aplicación del análisis multivariante. Revista de la Asociación Geológica Argentina 1994, 49(1-2):25-38.
60. Matthews S.J., Gardeweg M.C., Sparks R.S.J. The 1984 to 1996 cyclic activity of Láscar Volcano, northern Chile: cycles of dome growth, dome subsidence, degassing and explosive eruptions. Bulletin of Volcanology 1997, 59(1):72-82.
61. Migeon S., Weber O., Faugeres J.-C., Saint-Paul J. SCOPIX A new imaging system for core analysis. Geo-Marine Letters 1999, 18:251-255.
62. Mon R., Gutiérrez A. The Mar Chiquita Lake: an indicator of intraplate deformation in the central plain of Argentina. Geomorphology 2009, 111:111-122.
63. Monferrán M.V., Galanti L.N., Bonansea R.I., Amé M.V., Wunderlin D.A. Integrated survey of water pollution in the Suquía River basin (Córdoba, Argentina). Journal of Environmental Monitoring 2011, 13:398-409.
64. Montero-Serrano J.C., Bout-Roumazeilles V., Sionneau T., Tribovillard N., Bory A., Flower B.P., Riboulleau A., Martinez P., Billy I. Changes in precipitation regimes over North America during the Holocene as recorded by mineralogy and geochemistry of Gulf of Mexico sediments. Global and Planetary Change 2010, 74:132-143.
65. Moreno A., Giralt S., Valero-Garcés B., Sáez A., Bao R., Prego R., Pueyo J.J., González-Sampériz P., Taberner C. A 14kyr record of the tropical Andes: the Lago Chungara sequence, 18 S, northern Chilean Altiplano. Quaternary International 2007, 161:4-21.
66. Nova-López C., Huerta-Díaz M.A. Degree of trace metal pyritization in sediments from the Pacific coast of Baja California, Mexico. Ciencias Marinas 2001, 27(2):289-309.
67. Olivero J., Johnson B., Arguello E. Human exposure to mercury in San Jorge river basin Colombia (South America). The Science of the Total Environment 2002, 289:41-47.
68. Osores M.S., Pujol G., Collini E., Folch A. Análisis de la dispersión y depósito de ceniza volcánica mediante el modelo fall3d para la erupción del volcán Hudson en 1991 2011, Trabajo para el Servicio de Hidrografía Naval y el Servicio Meteorológico Nacional.
69. Pasquini A.I., Lecomte K.L., Piovano E.L., Depetris P.J. Recent rainfall and runoff variability in central Argentina. Quaternary International 2006, 158:127-139.
70. Pasquini A.I., Formica S.M., Sacchi G.A. Hydrochemistry and nutrients dynamic in the Suquía River urban catchment's, Córdoba, Argentina. Environmental Earth Science 2011, 10.1007/s12665-011-0978-z.
71. Pesce S.F., Wunderlin D.A. Use of water quality indices to verify the impact of Córdoba City Argentina, on Suquía River. Water Research 2000, 34(11):2915-2926.
72. Piovano E.L., Ariztegui D., Damatto Moreira S. Recent environmental changes in Laguna Mar Chiquita (central Argentina): a sedimentary model for a highly variable saline lake. Sedimentology 2002, 49:1371-1384.
73. Piovano E.L., Ariztegui D., Bernasconi S.M., McKenzie J.A. Stable isotopic record of hydrological changes in subtropical Laguna Mar Chiquita (Argentina) over the last 230 years. The Holocene 2004, 14(4):525-535.
74. Piovano E.L., Larizzatti F.E., Fávaro D.I., Oliveira S.M.B., Damatto S.R., Mazzilli B.P., Ariztegui D. Geochemical response of a closed-lake basin to 20th century recurring droughts/wet intervals in the subtropical Pampean Plains of South America. Journal of Limnology 2004, 63(1):21-32.
75. Piovano E.L., Ariztegui D., Córdoba F., Cioccale M., Sylvestre F. Hydrological variability in South America below the Tropic of Capricorn (Pampas and Patagonia, Argentina) During the Last 13.0 Ka. Past Climate Variability in South America and Surrounding Regions, From the Last Glacial Maximum to the Holocene 2009, vol. 14:323-351. Springer.
76. Quevauviller P. Method Performance Studies for Speciation Analysis 1998, Royal Society of Chemistry, Cambridge, UK.
77. Quintana E. Environmental impact of the nuclear tests in Argentina. Comprehensive Nuclear-Test-Ban Treaty, Science and Technology 2011.
78. Raiswel R., Canfield D.E., Berner R.A. A comparison of iron extraction methods for the determination of degree of pyritization and the recognition of iron-limited pyrite formation. Chemical Geology 1994, 111(1-4):101-110.
79. Reati G.J., Florín M., Fernández G.J., Montes C. The Laguna Mar Chiquita (Córdoba, Argentina): a little known, secularly fluctuating, saline lake. International Journal of Salt Lake Research 1997, 5:187-219.
80. Ribeiro Guevara S., Massaferro J., Villarosa G., Arribére M., Rizzo A. Heavy metal contamination in sediments of lake Nahuel Huapi, Nahuel Huapi National Park, Northern Patagonia, Argentina. Water, Air, and Soil Pollution 2002, 137(1-4):21-44.
81. Ribeiro Guevara S., Rizzo A., Sánchez R., Arribére M. Heavy metal inputs in Northern Patagonia lakes from short sediment core analysis. Journal of Radioanalytical and Nuclear Chemistry 2005, 265(3):481-493.
82. Ribeiro Guevara S., Catán S.P., Marvin-Di Pasquale M. Benthic methylmercury production in lacustrine ecosystems of Nahuel Huapi National Park, Patagonia, Argentina. Chemosphere 2009, 77(4):471-477.
83. Ribeiro Guevara S., Meili M., Rizzo A., Daga R., Arribére M. Sediment records of highly variable mercury inputs to mountain lakes in Patagonia during the past millennium. Atmospheric Chemistry and Physics 2010, 10:3443-3453.
84. Robbins J.A., Edgington D.N. Determination of recent sedimentation rates in Lake Michigan. Geochimica et Cosmichimica Acta 1975, 39:285-304.
85. Rodrigues Bastos W., Oliveira Gomes J.P., Cavalcante Oliveira R., Almeida R., Nascimento E.L., Bernardi J.V.E., Drude de Lacerda L., da Silveira E.G., Pfeiffer W.C. Mercury in the environment and riverside population in the Madeira River Basin Amazon, Brazil. Science of the Total Environment 2006, 368:344-351.
86. Ronco A., Camilión C., Manassero M. Geochemistry of heavy metals in bottom sediments from streams of the western coast of the Rio de la Plata Estuary, Argentina. Environmental Geochemistry and Health 2001, 23(2):89-103.
87. Rosenberg E., Ariese F. Quality control in speciation analysis. Trace Element Speciation for Environment, Food and Health 2001, 2001:17-50. The Royal Society of Chemistry, Cambridge, UK, (Chapter 7).
88. Rothwell R.G., Rack F.R. New techniques in sediment core analysis: an introduction. New Techniques in Sediment Core Analysis. Special Publications 2006, 1-29. Geological Society, London. R.G. Rothwell (Ed.).
89. Saari H.-K., Schmidt S., Castaing P., Blanc G., Sautour B., Masson O., Kirk Cochran J. The particulate 7Be/210Pbxs and 234Th/210Pbxs activity ratios as tracers for tidal-to-seasonal particle dynamics in the Gironde estuary (France): implications for the budget of particle-associated contaminants. Science of the Total Environment 2010, 408:4784-4794.
90. Sahuquillo A., Rauret G., Bianchi M., Rehnert A., Muntau H. Mercury determination in solid phases from application of the modified BCR-sequential extraction procedure: a valuable tool for assessing its mobility in sediments. Analytical and Bioanalytical Chemistry 2003, 375(4):578-583.
91. 210Pb sediment radiochronology: an integrated formulation and classification of dating models. Geochimica et Cosmochimica Acta 2012, 82:183-200.
92. Schäfer J., Blanc G., Audry S., Cossa D., Bossy C. Mercury in the Lot-Garonne River system (France): sources fluxes and anthropogenic component. Applied Geochemistry 2006, 21:515-527.
93. Schmidt S., Howa H., Mouret A., Lombard F., Anschutz P., Labeyrie L. Particle fluxes and recent sediment accumulation on the Aquitanian margin of Bay of Biscay. Continental Shelf Research 2009, 29:1044-1052.
94. Selin N. Global biogeochemical cycling of mercury: a review. Annual Review of Environment and Resources 2009, 34:43-63.
95. Silvestri G. El Niño signal variability in the precipitation over southeastern South America during the austral summer. Geophysical Research Letters 2004, 31:L18206.
96. Streets D.G., Hao J., Wu Y., Jiang J., Chan M., Tian H., Feng X. Anthropogenic mercury emissions in China. Atmospheric Environment 2005, 39:7789-7806.
97. Tack F.M.G., Vossius H.A.H., Verloo M.G. A comparison between sediment fractions, obtained from sequential extraction and estimated from single extractions. International Journal of Environmental Analytical Chemistry 1996, 63(1):61-66.
98. Tessier A., Campbell P.G.C., Bisson M. Sequential extraction procedure for the speciation of particulate trace metals. Analytical Chemistry 1979, 51(7):844-851.
99. Tjallingii R., Röhl U., Kölling M., Bickert T. Influence of the water content on X-ray fluorescence core-scanning measurements in soft marine sediments. Geochemistry, Geophysics, Geosystems 2007, 8(2). 10.1029/2006GC001393.
100. Troin M., Vallet-Coulomb C., Sylvestre F., Piovano E. Hydrological modelling of a closed lake (Laguna Mar Chiquita, Argentina) in the context of 20th century climatic changes. Journal of Hydrology 2010, 393:233-244.
101. UNSCEAR Sources and Effects of Ionizing Radiation. UNSCEAR, 2000 Report to the General Assembly, with Scientific Annexes. Sources 2000, vol. 1. United Nations, New York, 654 pp.
102. Van der Klooster E., van Egmond F.M., Sonneveld M.P.W. Maping soil clay contents in Dutch marine districts using gamma-ray spectrometry. European Journal of Soil Science 2011, 62:743-753.
103. Von Guten H.R., Strum M., Moser R.N. 200-year record of metals in Lake sediments and natural backgrounds concentration. Environmental Science and Technology 1997, 31:2193-2197.
104. Weltje G.J., Tjallingii R. Calibration of XRF core scanners for quantitative geochemical logging of sediment cores: theory and application. Earth and Planetary Science Letters 2008, 274:423-438.
105. Wilson T.M., Cole J.W., Stewart C., Croning S.J., Johnston D.M. Ash storms. Impacts of wind-remobilised volcanic ash on rural communities and agriculture following the 1991 Hudson eruption, southern Patagonia, Chile. Bulletin of Vulcanology 2011, 73:223-239.
106. Wunderlin D.A., Díaz M.P., Amé M.V., Pesce S.F., Hued A.C., Bistoni M.A. Pattern recognition techniques for the evaluation of spatial and temporal variations in water quality. A case study: Suquía River Basin (Córboba-Argentina). Water Resources 2001, 12:2881-2894.
107. Zárate M. Loess of Southern America. Quaternary Science Reviews 2003, 22:1987-2006.