全部文献期刊会议图书|学者科研项目
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作者:Yoshinori Iizuka , Chihiro Miyamoto ...
来源:[J].Earth and Planetary Science Letters(IF 4.349), 2019, Vol.515, pp.58-66
摘要:Abstract(#br)For atmospheric gases and aerosols, snow and ice provide a useful archive of paleoenvironmental history. In the northern hemisphere, this archive has been largely limited to Greenland ice, but promising pioneering work has been done recently using chronology of ...
作者:... Go Iwahana , Yoshinori Iizuka , Hiroyuki Matsuzaki
来源:[J].Nuclear Inst. and Methods in Physics Research, B(IF 1.266), 2019, Vol.459, pp.64-70
摘要:Abstract(#br)To explore the possibility of using ground ice archives for studies of the cosmogenic radionuclide 10 Be, we analyzed the beryllium isotopes in ice wedges exposed in the Cold Regions Research and Engineering Laboratory (CRREL) Permafrost Tunnel and the Barrow Pe...
作者:Yoshinori Iizuka , Sumito Matoba ...
来源:[J].Atmospheric Environment(IF 3.11), 2018
摘要:Abstract(#br)We provide continuous records of biomass burning molecular tracers (levoglucosan and dehydroabietic acid) in a Greenland ice core collected from the Southeastern Dome (the SE-Dome ice core) over the past several decades to assess the paleoclimatic utility of these tr...
作者:... Hiroyuki Matsuzaki , Yoshinori Iizuka , Kazuho Horiuchi
来源:[J].Journal of Environmental Radioactivity(IF 2.119), 2018, Vol.184-185, pp.14-21
摘要:Abstract(#br)129 I in natural archives, such as ice cores, can be used as a proxy for human nuclear activities, age marker, and environmental tracer. Currently, there is only one published record of 129 I in ice core (i.e., from Fiescherhorn Glacier, Swiss Alps) and its limi...
作者:... Kousuke Shimizu , Yoshinobu Onizuka , Yoshinori Iizuka
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 2004, Vol.59 (8), pp.1277-1282
摘要:Abstract(#br)A new interpretation of the data from Sweeping-TXRF (total reflection X-ray fluorescence) was proposed for the analysis of semiconductor contamination. Formerly, we focused on the accumulated spectrum that represents average concentration. In the proposed method...
作者:... Tetsuhide Yamasaki , Moe Kadota , Yoshinori Iizuka
来源:[J].Polar Science, 2016, Vol.10 (1), pp.36-42
摘要:Abstract(#br)We analyze snow-pit samples collected in May 2015 at the South East Dome (SE Dome) on the Greenland ice sheet. The analysis includes high-resolution records of δD and δ 18 O, as well as the major ions, CH 3 SO 3 − , Cl − , NO 3 − , SO 4 2− , Na + , NH ...
作者:... Koji Fujita , Yoshinori Iizuka , Hideaki Motoyama
来源:[J].Polar Science, 2016, Vol.10 (1), pp.1-10
摘要:Abstract(#br)Major ions, stable oxygen isotopes (δ 18 O), and accumulation rates are analyzed using high temporal resolution data from shallow ice cores and snow pits from East and West Antarctica. Seasonal cycles of major ions and δ 18 O are well preserved at sites with an ...
作者:Yoshinori Iizuka , Shinichiro Horikawa ...
来源:[J].Polar Science, 2014, Vol.8 (1), pp.1-9
摘要:Abstract(#br)Water-soluble trace constituents affect the physicochemical properties of polar ice. Their structural distribution provides important insights into the formation history of ice and inclusions. We report the first finding of KAl(SO 4 ) 2 ·12H 2 O (potassium alum)...
作者:Yoshinori Iizuka , Masaru Usui
来源:[J].Journal of Global Antimicrobial Resistance, 2019, Vol.17, pp.72-78
摘要:Abstract(#br)Objectives(#br)Bacteria harbouring antimicrobial resistance genes (ARGs) have been isolated from various locations, including ancient microbiomes, indicating that these genes pre-date the discovery of antibiotics. To gain further information regarding ARGs in th...
作者:YOSHINORI IIZUKA , KENICHI MATSUOKA ...
来源:[J].Tellus B(IF 3.197), 2002, Vol.54 (4), pp.407-411
摘要:ABSTRACT(#br)We show and discuss the results of the regional distribution of Cl and Na+ concentrations in snow cover along the study route from the coast to Dome Fuji station, 1000 km inland, in east Dronning Maud Land, Antarctica. The concentrations o...

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