Research Highlights
Oceanus Magazine
Capped with a formidable ice and snow cover, plunged into total darkness during the winter, buffeted by blizzard winds,and bitterly cold, the Arctic Ocean is one of the most inaccessible and yet beautiful environments on Earth. Life here endures some of the greatest extremes in light and temperature known to our planet. Yet despite these inhospitable conditions, the Arctic Ocean is teeming with life.
“We have found that otoliths of fish born in each of the five natal estuaries had different, unique isotope and element compositions, or “signatures.” All their lives, these fish had carried a natural tag, encoding the location where they were hatched.
In recent decades scientists have made substantial progress in understanding how oil enters the oceans, what happens to it, and how it affects marine organisms and ecosystems. This knowledge has led to regulations, practices, and decisions that have helped us reduce sources of pollution, prevent and respond to spills, clean up contaminated environments, wisely dredge harbors, and locate new petroleum handling facilities.
In 1991, scientists aboard the submersible Alvin were in the right spot at the right time to witness something extraordinary. They had sailed into the aftermath of a very recent volcanic eruption on the seafloor and found themselves in a virtual blizzard. They were densely surrounded by flocs of white debris, composed of sulfur and microbes, which drifted more than 30 meters above the ocean bottom. The seafloor was coated with a 10-centimeter-thick layer of the same white material. This vast volume of microbes did not come from the ocean. The eruption had flushed it out from beneath the seafloor.
Most of Earth’s crust is manufactured at the bottom of the sea. Deep beneath the waves and beyond our view, magma erupts along a 40,000-mile volcanic mountain chain that bisects the ocean floors and encircles the globe. The lava flowing from these mid-ocean ridges solidifies into new ocean crust that spreads out and paves the surface of our planet.
News Releases
Coral Research and Development Accelerator Program funding will advance acoustic enhancement research in the Caribbean
Increased capabilities in the human occupied submersible Alvin open a window on a rarely seen behavior.
Updated national science strategy for harmful algal research and response builds on major accomplishments, findings.
The potent toxicity of the 2022 HAB event “posed an unprecedented risk to human and ecosystem health.”
A new study reveals that the rare Desertas Petrels, a wide-ranging seabird in the North Atlantic, exhibit unique foraging behaviors during hurricane season.
News & Insights
MIT-WHOI Joint Program student Jaida Elcock celebrates Shark Week and shark awareness in this Q&A
At the northernmost year-round research station in the world, scientists brave frigid temperatures and perpetual night to solve an ocean mystery. The team is trying to figure out how some of the tiniest animals survive at a time of year when their main food source is not available.
WHOI’s Jaida Elcock and Lauren Dykman explain why parasites may be a sign of ocean health
