Lamont-Doherty Earth Observatory38
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Continuing the Survey: Watermelon and Winds
Continuing our electromagnetic survey of fresh and saline groundwater, we saw the landscape change from lush watermelon fields to fallow rice fields as the salinity increased towards the sea.
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Barisal and the Eastern Channel
We are continuing our measurements of fresh and saline groundwater in Bangladesh using electromagnetic instruments. We finished our first set of measurements and have now shifted farther east near Barisal where groundwater is fresher.
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Deploying in the Mangrove Forest
We continued our electromagnetic expedition to image fresh and saline groundwater into the Sundarbans Mangrove Forest, the world’s largest. While guards protected us from tigers, it was a wild boar that dug up some of our equipment.
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Sailing Around the Bangladesh Coastal Zone
I am back in Bangladesh to explore the distribution of fresh and saline groundwater in the coastal zone, needed for drinking in the dry season.
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Water Content Controls the Depth of Magma Storage Under Many Volcanoes, Says Study
Research into volcanoes in the Aleutian Islands and elsewhere overturns the conventional understanding of what controls the depth at which rising magma is stored.
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Learning From Tree Rings: An Interview With Nicole Davi
A dendrochronologist explains how tree rings can teach us about our past, present, and future.
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How These Women Are Contributing to a Sustainable Tomorrow
For International Women’s Day, we highlight a few women in the Columbia Climate School who are leading on climate science and adaptation, and helping to promote equity, sustainability, and resilience.
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A Slow-Motion Section of the San Andreas Fault May Not Be So Harmless After All
The central section of the great fault spanning California, thought to be creeping along harmlessly at the moment, has experienced big quakes in the past, says a new study.
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Talking With Bill Ryan, Detective of the Deeps
Marine geologist William B.F. Ryan discusses once seemingly unlikely theories about the evolution of oceans and seas, the hunt for the wreck of the Titanic, the Biblical Flood, and more.
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