Mechanism of Glacier Variations and Elucidation of the Holocene Environment in Patagonia Icefield, South America.

(1)在南巴塔哥尼亚冰原的佩里托莫雷诺冰川，我们测量了冰川表面高度、冰川流速、崩解速度和上游的长期温度。我们用热水钻钻了510米的钻孔。在15 C、17 C和19 C的三个LIA进展被认可。(2)对分布于北方巴塔哥尼亚冰原东侧的扇三角洲进行了研究。2004/2005年至2008/2009年期间，NPI的21个出口冰川的变化导致总面积损失5.8平方公里。(3)我们使用JAMSTEC的研究船[米拉伊]在NPI近海采集海底沉积物的岩心。

(1) At Perito Moreno Glacier of the Southern Patagonia Icefield, we measured the glacier surface heights, glacier flow velocity, and calving speed, and long-term temperature at the upper reach.We drilled 510m boreholes with a hotwater drill.Three LIA advances in 15C, 17C and 19C were recognized. (2) The fan deltas distributed on the eastern side of the Northern Patagonia Icefield were investigated. Variations of 21 outlet glaciers of the NPI between 2004/5 and 2008/9 resulted in a total area loss of 5.8 km^2. (3) With the JAMSTEC's research ship [Mirai] we cored sea floor sediments at the offshore of the NPI.