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Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.

Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.
Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.
Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.
Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.
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75367
Linder, Christopher
Schlindwein with shovel and helicopter pilot Sven Stenvall dipping his cup into fresh water.
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09/11/2007
graphics/agave2/cl_20070731_agave07_seismology_107.jpg
On this expedition, Schlindwein recorded data from 12 seismometers over 21 days. Her data represents a large percentage of the data of so-called microseismicity from this sparsely explored region. The data will allow her to begin comparing the ultraslow-spreading Gakkel Ridge's seismicity to faster-spreading, better-documented ridges elsewhere in the word. She has received a grant to collect seismic data from one of the Earth's other ultraslow-spreading ridges, the Southwest Indian Ridge in the Indian Ocean, in 2010. That region is also difficult to get to, but at least it is not covered by ice. There, she can use seismometers installed temporarily right on the seafloor. But here in the Arctic, her forays to the ice floes have also afforded her unique experiences. One day, helicopter pilot Geir Akse pointed out two trees frozen into an ice floe, which probably floated out from the Lena River in Siberia. Even the Arctic Ocean has driftwood. Above, helicopter pilot Sven Stenvall dips his cup into fresh water not easily found anywhere else on Earth, and certainly not sold in any bottle.
Photo by Chris Linder
© Woods Hole Oceanographic Institution
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