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Applicability of colloid filtration theory in size-distributed, reduced porosity, granular media in the absence of energy barriers
ArticleAbstract: The vast majority of colloid transport experiments use granular porous media with narrow size distriPalabras claves:Autores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusDirect observations of colloid retention in granular media in the presence of energy barriers, and implications for inferred mechanisms from indirect observations
ArticleAbstract: In this paper we present direct observations of retention of colloids in granular porous media overPalabras claves:Colloid, heterogeneity, Porous media, Secondary energy minimum, Straining, WedgingAutores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusParticulate and dissolved trace element concentrations in three southern ecuador rivers impacted by artisanal gold mining
ArticleAbstract: Water and sediment samples were collected along river transects at three artisanal gold mining areasPalabras claves:Cyanidation, Dissolved loads, ECUADOR, Methyl mercury, Particulate loads, trace metalsAutores:Carling G.T., Eddy Pazmiño, Fernandez D.P., Gale B.K., Johnson W.P., Merugu S., Nasimba L., Perez L., Ponce M., Rudd A., Ximena DíazFuentes:googlescopusSelenium and trace element mobility affected by periodic displacement of stratification in the Great Salt Lake, Utah
ArticleAbstract: The Great Salt Lake (GSL) is a unique ecosystem in which trace element activity cannot be characteriPalabras claves:Anoxic, Brine layer, Great Salt Lake, Hypersaline, Seiche, seleniumAutores:Beisner K., Johnson W.P., Naftz D.L., Ximena DíazFuentes:googlescopusSelenium mass balance in the Great Salt Lake, Utah
ArticleAbstract: A mass balance for Se in the south arm of the Great Salt Lake was developed for September 2006 to AuPalabras claves:Se loads, Se removal fluxes, Sedimentation Se flux, Volatile Se fluxAutores:Johnson W.P., Naftz D.L., Ximena DíazFuentes:googlescopusSize and elemental distributions of nano- to micro-particulates in the geochemically-stratified Great Salt Lake
ArticleAbstract: The characterization of trace elements in terms of their apportionment among dissolved, macromoleculPalabras claves:Autores:Fernandez D.P., Johnson W.P., Naftz D.L., Ximena DíazFuentes:googlescopus