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 | 493 | 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 | 143 | 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 ... | 124* | 2004 |
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 | 119 | 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 | 118 | 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 | 82 | 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 | 81 | 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 | 76 | 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 | 73 | 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 | 67 | 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 | 61 | 2005 |
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 | 58 | 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 | 58 | 2004 |
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 | 49 | 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 | 47 | 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 | 43 | 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 | 41 | 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 | 40 | 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 | 34 | 2007 |
Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part I. Influence of a multi-electron excitation on EXAFS analyses of La, Pr, Nd, and Sm A Ohta, H Kagi, M Nomura, H Tsuno, I Kawabe American Mineralogist 94 (4), 467-475, 2009 | 33 | 2009 |