Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Scott G Johnston"'
Autor:
Luke C. Jeffrey, Damien T. Maher, Eleonora Chiri, Pok Man Leung, Philipp A. Nauer, Stefan K. Arndt, Douglas R. Tait, Chris Greening, Scott G. Johnston
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
The photosynthesis performed by trees makes them an important sink for atmospheric carbon dioxide, but trees are also sources of the potent greenhouse gas methane. Here the authors find that tree bark in some common lowland species is colonized by me
Externí odkaz:
https://doaj.org/article/9ac8fb7f1ebc4407ab4d76040d2c8a47
Publikováno v:
Environmental Science & Technology. 57:4813-4820
Autor:
William W. Bennett, Enzo Lombi, Kirk G. Scheckel, Ryo Sekine, Scott G. Johnston, Edward D. Burton, Daryl L. Howard, Peter Kappen, Donald E. Canfield
Publikováno v:
ACS Earth and Space Chemistry. 7:416-426
Refereed/Peer-reviewed Redox-sensitive trace elements, such as vanadium, are frequently used as paleoredox proxies to infer the redox status of ancient marine depositional environments. When applied to vanadium, this approach relies on an accurate un
Autor:
Mohammad Rastegari, Niloofar Karimian, Scott G. Johnston, Steven J. Doherty, Jessica L. Hamilton, Girish Choppala, Mona Hosseinpour Moghaddam, Edward D. Burton
Publikováno v:
Environmental Science & Technology. 56:17776-17784
This study examines incorporation of Sb(V) into schwertmannite─an Fe(III) oxyhydroxysulfate mineral that can be an important Sb host phase in acidic environments. Schwertmannite was synthesized from solutions containing a range of Sb(V)/Fe(III) rat
Publikováno v:
Frontiers in Earth Science, Vol 7 (2019)
Arsenic in oxic surface soils readily associates with Fe(III) oxide minerals such as ferrihydrite and goethite, predominantly as As(V). Fires are a common feature in many landscapes, creating high-temperature soil conditions which drive thermal trans
Externí odkaz:
https://doaj.org/article/e1efee24f3e046d595a1fd69e867ca6e
Autor:
Maija J. Raudsepp, Sasha Wilson, Bree Morgan, Avni Patel, Scott G. Johnston, Emma J. Gagen, Stewart J. Fallon
Publikováno v:
Sedimentology. 69:2246-2266
Autor:
Steven Doherty, Matthew K. Tighe, Luke A. Milan, Leanne Lisle, Calvin Leech, Bernt Johannessen, Valerie Mitchell, Jessica Hamilton, Scott G. Johnston, Susan C. Wilson
Publikováno v:
Environmental Chemistry. 18:321-333
Environmental context Toxicity and mobility of antimony and arsenic in aqueous systems are largely determined by their speciation and redox chemistry. In a highly contaminated freshwater system, one antimony species (dissolved SbV) dominated, while d
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 4, Iss PA, Pp 59-79 (2015)
Study Region: A shallow (
Externí odkaz:
https://doaj.org/article/455e4809807e4fdf96bea45eab698cfa
Autor:
Scott G Johnston, Kerstin Hockmann, Niloofar Karimian, Edward D Burton, Britta Planer-Friedrich
Publikováno v:
Environmental Science & Technology. 55:9854-9863
Manganese (Mn) oxides, such as birnessite (δ-MnO2), are ubiquitous mineral phases in soils and sediments that can interact strongly with antimony (Sb). The reaction between birnessite and aqueous Mn(II) can induce the formation of secondary Mn oxide
Autor:
Girish Choppala, Scott G Johnston, Niloofar Karimian, Valerie A. Schoepfer, Dane Lamb, Edward D Burton
Publikováno v:
ACS Earth and Space Chemistry. 5:1418-1435