Earth Sciences16
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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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Scientists Find Surprisingly Stable Carbon Uptake by Land and Oceans From Air
Estimates that predate satellite imagery fill in a missing link and imply that oceans and land have been removing carbon from the air more efficiently than previously thought.
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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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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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How Does a Major Subduction Zone Get Started? It May Begin Small.
A study of an emerging zone off New Zealand suggests that the process, vital for life on Earth, may at first be localized and then develop into something much larger.
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Data Dive: Carolynne Hultquist on Spatial Data, Social Vulnerability and Disasters
Dr Hultquist discusses fusing GIS with crowd-sourced and social data to uncover new insights and inform disaster preparedness and response.
By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
