Search Results - "Hallberg, Rolf"

Microbial Fossils in the 2.63 Ga Jeerinah Formation, Western Australia-Evidence of Microbial Oxidation by Hallberg, Rolf O., Broman, Curt

“…A diamond drill core from the upper part of the Jeerinah Formation (∼2.63 Ga), underlying the Hamersley Group, deposited at a time when the oxygen…”
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Microbe-Mediated Mn Oxidation—A Proposed Model of Mineral Formation by Susanne Sjöberg, Changxun Yu, Courtney W. Stairs, Bert Allard, Rolf Hallberg, Sara Henriksson, Mats Åström, Christophe Dupraz

“…Manganese oxides occur in a wide range of environmental settings either as coatings on rocks, sediment, and soil particles, or as discrete grains. Although the…”
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Sedimentary geochemical record of recent environmental changes around Lake Middle Marviken, Sweden by Routh, Joyanto, Meyers, Philip A., Hjorth, Tomas, Baskaran, Mark, Hallberg, Rolf

“…Geochemical properties of sediments deposited in Lake Middle Marviken over the last 185 years record the impacts of a succession of environmental changes that…”
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Bubble biofilm: Bacterial colonization of air-air interface by Sjöberg, Susanne, Stairs, Courtney, Allard, Bert, Hallberg, Rolf, Homa, Felix, Martin, Tom, Ettema, Thijs J.G., Dupraz, Christophe

“…Microbial mats or biofilms are known to colonize a wide range of substrates in aquatic environments. These dense benthic communities efficiently recycle…”
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Mycelial pellet formation by Penicillium ochrochloron species due to exposure to pyrene by Saraswathy, Ambujom, Hallberg, Rolf

“…Five indigenous fungal strains with characteristics of the genus Penicillium capable of degrading and utilizing pyrene, as sole carbon source were isolated…”
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Authigenic carbonate mineral formation in the Pagassitikos palaeolake during the latest Pleistocene, central Greece by Karageorgis, Aristomenis P., Kanellopoulos, Theodore D., Mavromatis, Vasileios, Anagnostou, Christos L., Koutsopoulou, Eleni, Schmidt, Mark, Pavlopoulos, Kosmas, Tripsanas, Efthymios K., Hallberg, Rolf O.

“…The Pagassitikos Gulf in Greece is a semi-enclosed bay with a maximum depth of 102 m. According to the present-day bathymetric configuration and the sea level…”
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A fly ash/biosludge dry cover for the mitigation of AMD at the falun mine by Hallberg, Rolf O., Granhagen, Johan R., Liljemark, Anneli

“…The sulphide mine tailings in Falun, Sweden is covered with a mixture of fly ash and biosludge as a measure against acid mine drainage. This is a study of the…”
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An empirical model of the fate of organic carbon in a mangrove forest partly affected by anthropogenic activity by Machiwa, John F., Hallberg, Rolf O.

“…A model of biogeochemical and hydrological processes that drive organic carbon dynamics of a mangrove ecosystem has been developed. Tidal regime parameters as…”
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Sedimentary Trace Elements as Proxies to Depositional Changes Induced by a Holocene Fresh-Brackish Water Transition by Sternbeck, John, Sohlenius, Gustav, Hallberg, Rolf O

“…A halocline developed in the GotlandDeep, Baltic Sea, at c. 8.0 ^sup 14^C ky BP, as theresult of a transition from fresh to brackish water.The sediment-water…”
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Bioremediation of pah polluted soils: Column studies by Hallberg, Rolf O., Trepte, Björn S.

“…Background. Due to spills, discharges and leakage, the gaswork site at Husarviken in Stockholm is today the largest (36 ha) creosote-contaminated site in…”
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Trace metal speciation in sea and pore water of the Gotland Deep, Baltic Sea, 1994 by Brügmann, Lutz, Hallberg, Rolf, Larsson, Carin, Löffler, Annekatrin

“…Studies on the speciation (particulate, colloidal, anionic and cationic forms) of trace metals (Cd, Co, Cu, Fe, Mn, Mo, Ni, Pb, Zn) in the water column and in…”
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Preface to Medical Geology Papers by Hallberg, Rolf

“…Many of these health-related problems have been associated with geological sources, e.g. contaminated drinking water, coal mining, volcanic eruptions, dust,…”
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Biochelates as a Cause of Metal Cycling Across the Redoxcline by Hallberg, Rolf O, Larsson, Carin

“…The sharp concentration peak of the metals Cu, Cd and Zn at the redoxcline of the Framvaren Fjord, Norway, is described as an effect of chelation/complexation…”
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Flora and crabs in a mangrove forest partly distorted by human activities, Zanzibar by John F. Machiwa, Hallberg, Rolf O.

“…A preliminary study on flora and fauna in a disturbed mangrove ecosystem is presented. The zonation of mangrove flora in the forest is clearly displayed by two…”
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Multiwall Carbon Nanotubes and Nanofibers in Gallionella by Hallberg, R., Tai, C.-W.

“…This is a report of microbial formation of multiwall carbon nanotubes (MWCNT) and nanofibers at normal pressure and temperature. Our results demonstrate a…”
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Environmental implications of metal distribution in Baltic Sea sediments by Hallberg, R.O. (Stockholm Univ. (Sweden). Geologiska Inst.)

“…Sediment samples from 59 stations in the Baltic Proper were analyzed for Zn, Cu, Ni, Cd, Co, Fe, As, Mo, Mn, V, Pb, and Hg. The samples represent the ten…”
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Biomineralization by Gallionella by Hallberg, Rolf, Ferris, F. Grant

“…A new environmental scanning electron microscopic (ESEM) technique at low vacuum (5 torr) and 99% humidity, where the sample never has been exposed to high…”
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Degradation of pyrene by indigenous fungi from a former gasworks site by Saraswathy, Ambujom, Hallberg, Rolf

“…Indigenous fungi isolated from soil of a former gasworks site were investigated in submerged cultures with pyrene as the sole carbon source. Five fungal…”
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Sedimentary Geochemical Record of Human-Induced Environmental Changes in the Lake Brunnsviken Watershed, Sweden by Routh, Joyanto, Meyers, Philip A., Gustafsson, Örjan, Baskaran, Mark, Hallberg, Rolf, Schöldström, Anna

“…Environmental changes in Lake Brunnsviken, its watershed, and the greater Stockholm region since the middle of the nineteenth century have left interpretable…”
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Editorial by Hallberg, Rolf, Kessler, Elisabeth

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