| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2017: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Outline of Final Research Achievements |
In the Patagonia Icefield situated along the border of Chile and Argentina, many glaciers are terminating in lakes and called freshwater calving glaciers. These glaciers are rapidly retreating, which results in significant contribution to the sea level rise. This study focuses on the freshwater calving glaciers in Patagonia to better understand the mechanism of the rapid glacier retreat and interaction with the lakes. Based on field observations, we found that cold glacial meltwater occupies the deeper region in the lakes and suppresses the underwater melting, underwater ice front melting causes seasonal glacier variations, and calving flux can be estimated by measuring tsunami waves associated with calving events. Recent glacier changes (e.g. front position, ice thickness and flow speed) in the study region were quantified by satellite data analyses.
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