Studies on Ice Core Signals of Arctic Cryosphere Changes

北极冰冻圈变化的冰芯信号研究

• 批准号: 05041069
• 负责人: WATANABE Okitsugu
• 金额: $ 16.64万
• 依托单位: National Institute of Polar Research
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for international Scientific Research
• 财政年份: 1993
• 资助国家: 日本
• 起止时间: 1993 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-05041069/
• 关键词: Arctic Cryosphere; Signals of Climate; Signals of Environment; Ice Core Signals; Ice core analysis; Climate Change; Aerosol; Chemical Composition in Precipitaion; 氷河微生物; 北極; 雪氷圏; 化学分析; 物質輸送; 層構造; 氷体温度; 人工放射能の解析; 同位体分析

1.An ice core of 210m was obtained on top of the ice cap of Nordaustlandet, Svalbard.The ice core was analyzed to find the seasonal variation of sea/land origin materials, the intensity of environmental radioactivity in the ice core and the sea ice fluctuation signal.2.An ice core obtained on the Penny ice cap, arctic Canada, was analyzed.Acidity of precipitation and flux of microparticles were mainly examined.3.A preliminary investigation of the Russian Arctic area was conducted.The proposed ice coring site on Severnaya Zemlya ice cap was surveyed in summer, and meteorological and glaciological observations in siberia were carried out.4.The air, precipitation and surface snow were sampled in Ny-Alesund, Spitsbergen.The influence of human activity was studied.

1.在斯瓦尔巴群岛nordastlanddet冰盖顶部获得了210米的冰芯。对冰芯进行分析，找出海/陆源物质的季节变化、冰芯内环境放射性强度和海冰波动信号。对加拿大北极Penny冰帽上获得的冰芯进行了分析。主要考察了沉淀物的酸度和微粒的通量。对俄罗斯北极地区进行了初步调查。3 .夏季考察了Severnaya Zemlya冰盖的拟取冰点，并在西伯利亚进行了气象和冰川观测。对斯匹次卑尔根州新奥勒松的空气、降水和地面积雪进行了采样。研究了人类活动的影响。

项目成果

Goto-Azuma, K., Koshima, S., Kameda, T., Takahashi, S., Watanabe, O., Fujii, Y.and J.O.Hagen: "An-ice-core chemistry record from Snofjellafonna, northwestrn Spitzbergen21GC04:Annals of Glaciology" 21. 213-218 (1995)

Goto-Azuma, K.、Koshima, S.、Kameda, T.、Takahashi, S.、Watanabe, O.、Fujii, Y. 和 J.O.Hagen：“来自 Spitzbergen 西北部 Snofjellafonna 的冰芯化学记录21GC04：年鉴

Suzuki,T.: "Accumulation of 210Pb over the Svalbard" Bulletin of Glacier Research. (in preparation).

Suzuki,T.：“斯瓦尔巴群岛上空 210Pb 的积累”冰川研究公报。

Lefauconnier,B.: "Mass balance eestimates on the glacier complex Kongsvegen and Sveaabreen,Svalbard,using radioactivelayers" J. of Glaciology. (acceepted). (1995)

Lefauconnier,B.：“使用放射性层对斯瓦尔巴群岛的 Kongsvegen 和 Sveaabreen 冰川复合体进行质量平衡估计”《冰川学杂志》。

Motoyama, H., Kamiyama, K., Igarashi, M.Nishino, F.and Watanabe, O.: "Characteristics of chemical constituents in superimposed ice from Austre Broggerberm, Spitsbergen" Bulletin of Glacier Research. (in preperation).

Motoyama, H.、Kamiyama, K.、Igarashi、M.Nishino, F. 和 Watanabe, O.：“来自斯匹次卑尔根州 Austre Broggerberm 的叠加冰中化学成分的特征”冰川研究公报。

Kameda, T., Narita, H., Shoji, H., Nishino, F., Fujii, Y.and Watanabe, O.20GB05:Melt features in ice cores from Site J, southern Greenland:some implications for summer climale since AD 1550: Annals of Glaciology. 21. 51-58 (1995)

Kameda, T.、Narita, H.、Shoji, H.、Nishino, F.、Fujii, Y.和 Watanabe, O.20GB05：格陵兰岛南部 J 点冰芯的融化特征：对公元以来夏季气候的一些影响