National Geographic explorer-in-residence Dr. Robert Ballard led a team of scientists to explore the “twilight zone” near 100m depth around the Flower Garden Banks region in the Gulf of Mexico last week. If you followed along at either of the two hosting websites you could see mud volcanoes, brine seeps, ancient shorelines, deep coral heads, schools of jacks, and lots of gorgonians.
Enjoy live feeds from the Secrets of the Gulf Expedition with the US Navy NR1 Nuclear Submarine and Bob Ballard’s Argos tow sled as they survey the Flower Garden Banks region for paleo-shorelines and deep octocoral habitats at 100m depth. I’ll be taking part in the benthic surveys remotely. I hope you can, too.
Researchers from the neatly monikered Institute of Low Temperature Science at Hokkaido University in Sapporo, Japan are showing that intermediate water (200-2000m) off Russia has warmed significantly over the past 50 years. The warming trend is accompanied by decreasing oxygen content. The warmer water is attributed to a decrease in (cold) shelf water production in the Sea of Okhotsk, an epicenter of global warming.
A grain of sand lodged from a decomposing rock in the mountains may spend a long time making its way down a river system, or being swashed around at the coast, but ultimately the deep sea is the final resting place.
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