Atsuyuki Ohta
Atsuyuki Ohta
Geological Survey of Japan, AIST
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REE (III) adsorption onto Mn dioxide (δ-MnO2) and Fe oxyhydroxide: Ce (III) oxidation by δ-MnO2
A Ohta, I Kawabe
Geochimica et Cosmochimica Acta 65 (5), 695-703, 2001
Monoisotopic REE abundances in seawater and the origin of seawater tetrad effect
I Kawabe, T Toriumi, A Ohta, N Miura
Geochemical Journal 32 (4), 213-229, 1998
Geochemical map of Japan(日本の地球化学図)
N Imai, S Terashima, A Ohta, M Mikoshiba(Ujiie), T Okai, Y Tachibana, S ...
Rare earth element partitioning between Fe oxyhydroxide precipitates and aqueous NaCl solutions doped with NaHCO3: Determinations of rare earth element complexation constants …
A Ohta, I Kawabe
Geochemical Journal 34 (6), 439-454, 2000
REE partitioning between Fe-Mn oxyhydroxide precipitates and weakly acid NaCl solutions: Convex tetrad effect and fractionation of Y and Sc from heavy lanthanides
I Kawabe, A Ohta, S Ishii, M Tokumura, K Miyauchi
Geochemical Journal 33 (3), 167-179, 1999
Systematic correlation of the Ce anomaly with the Co/(Ni+ Cu) ratio and Y fractionation from Ho in distinct types of Pacific deep-sea nodules
A Ohta, S Ishii, M Sakakibara, A Mizuno, I Kawabe
Geochemical Journal 33 (6), 399-417, 1999
Theoretical study of tetrad effects observed in REE distribution coefficients between marine Fe-Mn deposit and deep seawater, and in REE (III)-carbonate complexation constants
A Ohta, I Kawabe
Geochemical Journal 34 (6), 455-473, 2000
Distribution coefficients of REE between Fe oxyhydroxide precipitates and NaCl solutions affected by REE-carbonate complexation
I Kawabe, A Ohta, N Miura
Geochemical journal 33 (3), 181-197, 1999
Application of multi-element statistical analysis for regional geochemical mapping in Central Japan
A Ohta, N Imai, S Terashima, Y Tachibana
Applied Geochemistry 20 (5), 1017-1037, 2005
Experimental REE partitioning between calcite and aqueous solution at 25 C and 1 atm: Constraints on the incorporation of seawater REE into seamount-type limestones
K Tanaka, A Ohta, I Kawabe
Geochemical Journal 38 (1), 19-32, 2004
Speciation of sulfate in size-fractionated aerosol particles using sulfur K-edge X-ray absorption near-edge structure
Y Takahashi, Y Kanai, H Kamioka, A Ohta, H Maruyama, Z Song, ...
Environmental science & technology 40 (16), 5052-5057, 2006
Geochemical mapping in Hokuriku, Japan: influence of surface geology, mineral occurrences and mass movement from terrestrial to marine environments
A Ohta, N Imai, S Terashima, Y Tachibana, K Ikehara, T Nakajima
Applied Geochemistry 19 (9), 1453-1469, 2004
Influence of surface geology and mineral deposits on the spatial distributions of elemental concentrations in the stream sediments of Hokkaido, Japan
A Ohta, N Imai, S Terashima, Y Tachibana
Journal of Geochemical Exploration 86 (2), 86-103, 2005
Seasonal characterization of dust days, mass concentration and dry deposition of atmospheric aerosols over Qingdao, China
R Zhang, M Wang, L Sheng, Y Kanai, A Ohta
China Particuology 2 (5), 196-199, 2004
Influence of multi-electron excitation on EXAFS spectroscopy of trivalent rare-earth ions and elucidation of change in hydration number through the series
A Ohta, H Kagi, H Tsuno, M Nomura, I Kawabe
American Mineralogist 93 (8-9), 1384-1392, 2008
Factors controlling regional spatial distribution of 53 elements in coastal sea sediments in northern Japan: comparison of geochemical data derived from stream and marine sediments
A Ohta, N Imai, S Terashima, Y Tachibana, K Ikehara, H Katayama, ...
Applied geochemistry 25 (3), 357-376, 2010
Chemical compositions and XANES speciations of Fe, Mn and Zn from aerosols collected in China and Japan during dust events
A Ohta, H Tsuno, H Kagi, Y Kanai, M Nomura, R Zhang, S Terashima, ...
Geochemical Journal 40 (4), 363-376, 2006
Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part II. Correspondence of structural change to irregular variations of partitioning coefficients …
A Ohta, H Kagi, M Nomura, H Tsuno, I Kawabe
American Mineralogist 94 (4), 476-486, 2009
Elemental distribution of coastal sea and stream sediments in the island-arc region of Japan and mass transfer processes from terrestrial to marine environments
A Ohta, N Imai, S Terashima, Y Tachibana, K Ikehara, T Okai, ...
Applied geochemistry 22 (12), 2872-2891, 2007
Geochemical Map of Sea and Land of Japan(陸と海の地球化学図)
N Imai, S Terashima, A Ohta, M Mikoshiba, T Okai, Y Tachibana, ...
Geological Survey of Japan, AIST, Tsukuba, 207, 2010
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