Atsuyuki Ohta

发表

Seasonal characterization of dust days, mass concentration and dry deposition of atmospheric aerosols over qingdao, china

Renjian Zhang, Y. Kanai, Mingxing Wang, 2004 .

REE(III) adsorption onto Mn dioxide (δ-MnO2) and Fe oxyhydroxide: Ce(III) oxidation by δ-MnO2

Atsuyuki Ohta, I. Kawabe, 2001 .

IR and XANES spectroscopic studies of humic acids reacting with Cr(III) and Cr(VI)

Atsuyuki Ohta, M. Nomura, H. Kagi, 2011 .

Preliminary Evaluation of Local Structure and Speciation of Lanthanoids in Aqueous Solution, Iron Hydroxide, Manganese Dioxide, and Calcite Using the L3-Edge X-ray Absorption Near Edge Structure Spectra.

Atsuyuki Ohta, H. Tsuno, Kazuya Tanaka, 2018, The journal of physical chemistry. A.

Chemical compositions and XANES speciations of Fe, Mn and Zn from aerosols collected in China and Japan during dust events

Renjian Zhang, Y. Kanai, Atsuyuki Ohta, 2006 .

Watershed analysis for geochemical mapping in Japan based on a hydrologic model: The concentrations of 53 elements and the dominant lithology in a drainage basin

Atsuyuki Ohta, N. Imai, A. Nakamura, 2021, GEOCHEMICAL JOURNAL.

Optimizing the Pratt-type titrimetric method to determine FeO in geochemical reference materials

Atsuyuki Ohta, A. Nakamura, Takashi Okai, 2020, GEOCHEMICAL JOURNAL.

Copper Speciation in a Collection of Geochemical Reference Materials Using Sequential Extraction and Evaluation of the Validity Using XANES Spectroscopy

Atsuyuki Ohta, Ran Kubota, 2016 .

Speciation of 38 elements in eight GSJ geochemical sedimentary reference materials determined using a sequential extraction technique

Atsuyuki Ohta, Takashi Okai, Ran Kubota, 2014 .

Chemical characteristics of water-insoluble components in aeolian dust collected in China in spring 2002

Renjian Zhang, M. Hayashi, Y. Kanai, 2005 .

Seasonal change of chemical composition of water-insoluble components in aerosol particles collected in Tsukuba from February 2001 to June 2002.

Renjian Zhang, M. Hayashi, Y. Kanai, 2005 .

XAFS analysis of Fe , Mn , and Zn of an aeolian dust during transportation from China to Japan

Atsuyuki Ohta, H. Kagi, H. Tsuno, 2004 .

Grain-size distribution and chemical composition of water-insoluble components in aeolian dust collected in Japan in spring 2002

Renjian Zhang, M. Hayashi, Y. Kanai, 2003 .

Variation of concentrations and physicochemical properties of aeolian dust obtained in east China and Japan from 2001 to 2002

Renjian Zhang, M. Hayashi, Y. Kanai, 2003 .

Critical evaluation of zinc speciation in geochemical reference materials by combining sequential extraction and XANES spectroscopy

Atsuyuki Ohta, Takashi Okai, Ran Kubota, 2018, GEOCHEMICAL JOURNAL.

Speciation Study of Cr in a Geochemical Reference Material Sediment Series Using Sequential Extraction and XANES Spectroscopy

Atsuyuki Ohta, 2015 .

地球化学標準物質（堆積物シリーズ）に逐次溶解法を適用した際に生じる鉱物組成変動

Atsuyuki Ohta, Takashi Okai, Ran Kubota, 2014 .

Influence of multi-electron excitation on EXAFS spectroscopy of trivalent rare-earth ions and elucidation of change in hydration number through the series

Atsuyuki Ohta, M. Nomura, H. Kagi, 2008 .

Quantitative analysis of heavy elements and semi-quantitative evaluation of heavy mineral compositions of sediments in Japan for construction of a forensic soil database using synchrotron radiation X-ray analyses

Atsuyuki Ohta, M. Itou, I. Nakai, 2014 .

Comparing the 87 Sr/ 86 Sr of the bulk and exchangeable fractions in stream sediments: Implications for 87 Sr/ 86 Sr mapping in provenance studies

Atsuyuki Ohta, M. Minami, Yuka Jomori, 2017 .

Grain-size variations in 87 Sr/ 86 Sr and elemental concentrations of stream sediments in a granitic area: Fundamental study on 87 Sr/ 86 Sr spatial distribution mapping

Atsuyuki Ohta, Kazuhiro Suzuki, M. Minami, 2017 .

Monoisotopic REE abundances in seawater and the origin of seawater tetrad effect

Atsuyuki Ohta, I. Kawabe, N. Miura, 1998 .

Be ratios of phenakite and beryl measured via direct Cs sputtering : Implications for selecting suitable Be carrier minerals for the measurement of low-level 10 Be

Atsuyuki Ohta, H. Matsuzaki, A. Nakamura, 2021 .

REE partitioning between Fe-Mn oxyhydroxide precipitates and weakly acid NaCl solutions : Convex tetrad effect and fractionation of Y and Sc from heavy lanthanides

Atsuyuki Ohta, I. Kawabe, Satoru Ishii, 1999 .

Experimental REE partitioning between calcite and aqueous solution at 25.DEG.C. and 1atm: Constraints on the incorporation of seawater REE into seamount-type limestones

Atsuyuki Ohta, Kazuya Tanaka, I. Kawabe, 2004 .

Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part II. Correspondence of structural change to irregular variations of partitioning coefficients and tetrad effect variations appearing in interatomic distances

Atsuyuki Ohta, M. Nomura, H. Kagi, 2009 .

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

Atsuyuki Ohta, I. Kawabe, A. Mizuno, 1999 .

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

Atsuyuki Ohta, M. Nomura, H. Kagi, 2009 .

Statistical Analysis of the Spatial Distribution of Multi-Elements in an Island Arc Region: Complicating Factors and Transfer by Water Currents

Atsuyuki Ohta, K. Ikehara, N. Imai, 2017 .

Regional spatial distribution of multiple elements in the surface sediments of the eastern Tsushima Strait (southwestern Sea of Japan)

Atsuyuki Ohta, K. Ikehara, N. Imai, 2013 .

Spatial distribution of 87Sr/86Sr ratios of stream sediments in Shikoku Island and the Kii Peninsula, Southwest Japan

Atsuyuki Ohta, N. Imai, M. Minami, 2013 .

10Be/9Be ratios of phenakite and beryl measured via direct Cs sputtering: Implications for selecting suitable Be carrier minerals for the measurement of low-level 10Be

Atsuyuki Ohta, Takashi Okai, Hiroyuki Matsuzaki, 2021, Geochemistry journal.

Preparation of new GSJ geochemical reference material JA-1a (Andesite) and collaborative analysis of JA-1a and JSO-1 (Soil)

Atsuyuki Ohta, N. Imai, S. Terashima, 2003 .

Speciation of sulfate in size-fractionated aerosol particles using sulfur K-edge X-ray absorption near-edge structure.

Y. Kanai, Atsuyuki Ohta, Zhiguang Song, 2006, Environmental science & technology.

Influence of surface geology and mineral deposits on the spatial distributions of elemental concentrations in the stream sediments of Hokkaido, Japan

Atsuyuki Ohta, N. Imai, S. Terashima, 2005 .

Application of multi-element statistical analysis for regional geochemical mapping in Central Japan

Atsuyuki Ohta, N. Imai, S. Terashima, 2005 .

Geochemical mapping in Hokuriku, Japan: influence of surface geology, mineral occurrences and mass movement from terrestrial to marine environments

Atsuyuki Ohta, K. Ikehara, N. Imai, 2004 .

Regional geochemical mapping in eastern Japan including the nation's capital, Tokyo

Atsuyuki Ohta, N. Imai, S. Terashima, 2011 .

Evaluation of straightforward and rapid multi-element analyses of stream sediments for geochemical mapping in the remote islands of Japan — Seto Inland Sea region —

Atsuyuki Ohta, 2018 .

Distribution coefficients of REE between Fe oxyhydroxide precipitates and NaCl solutions affected by REE-carbonate complexation

Atsuyuki Ohta, I. Kawabe, N. Miura, 1999 .

Characterization of Aeolian Dust in East China and Japan from 2001 to 2003( ADEC-Aeolian Dust Experiment on Climate Impact-)

Renjian Zhang, M. Hayashi, Y. Kanai, 2005 .

Divalent chromium in ferropericlase inclusions in lower-mantle diamonds revealed by micro-XANES measurements

M. Arakawa, Atsuyuki Ohta, B. Harte, 2008 .

Variation of elemental concentrations of river and marine sediments according to the grain size classification

Atsuyuki Ohta, K. Ikehara, N. Imai, 2009 .

Preliminary study for speciation geochemical mapping using a sequential extraction method using a sequential extraction method

Atsuyuki Ohta, N. Imai, S. Terashima, 2007 .

Geochemistry of biogenic silica, carbonate materials and sea salts in the coastal marine sediments around the Japanese islands.

Atsuyuki Ohta, A. Noda, K. Ikehara, 2004 .

Application of spatial distribution patterns of multi-elements in geochemical maps for provenance and transfer process of marine sediments in Kyushu, western Japan

Atsuyuki Ohta, K. Ikehara, N. Imai, 2020 .

Speciation study of Cr(VI/III) reacting with humic substances and determination of local structure of Cr binding humic substances using XAFS spectroscopy

Atsuyuki Ohta, M. Nomura, H. Kagi, 2012 .

Oxidation States of Ytterbium Incorporated in Calcium Carbonate and Calcium Fluoride

Atsuyuki Ohta, M. Nomura, H. Kagi, 2005 .

Influence of different sedimentary environments on multi-elemental marine geochemical maps of the Pacific Ocean and Sea of Japan, Tohoku region

Atsuyuki Ohta, K. Ikehara, N. Imai, 2017 .

Rare earth element partitioning between Fe oxyhydroxide precipitates and aqueous NaCl solutions doped with NaHCO3: Determinations of rare earth element complexation constants with carbonate ions

Atsuyuki Ohta, I. Kawabe, 2000 .

Elemental distribution of surface sediments around Oki Trough including adjacent terrestrial area: Strong impact of Japan Sea Proper Water on silty and clayey sediments

Atsuyuki Ohta, K. Ikehara, N. Imai, 2015 .

Speciation of Chromium in Artificially Contaminated Soil Reference Material GSJ JSO‐2 Using XANES and Chemical Extraction Methods

Atsuyuki Ohta, M. Nomura, H. Kagi, 2006 .

Elemental distribution of coastal sea and stream sediments in the island-arc region of Japan and mass transfer processes from terrestrial to marine environments

Atsuyuki Ohta, K. Ikehara, N. Imai, 2007 .

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

Atsuyuki Ohta, I. Kawabe, 2000 .

Geochemical Map of Japan

Y. Kanai, Atsuyuki Ohta, N. Imai, 2003 .

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

Atsuyuki Ohta, A. Noda, K. Ikehara, 2010 .

The spatial distribution of multiple elements in the Kanto region of Japan: Transport of chalcophile elements from land to sea

Atsuyuki Ohta, N. Imai, S. Terashima, 2015 .

Physicochemical Characterization and Origin of the 20 March 2002 Heavy Dust Storm in Beijing

Renjian Zhang, Zifa Wang, Y. Kanai, 2006 .