GPS survey station, Mauna Loa, Hawaii, USA. Here, GPS is being used as a tool to monitor volcanic activity. The movement of magma beneath the surface of a volcano can change the shape of the ground. Magma moving near the surface of a volcano causes the ground above it to shift upwards. GPS is able to measure these changes, making it a useful tool to help predict eruptions.
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Creative#:
TOP28926747
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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n/a
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No
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