Posts Tagged ‘oceanography’
Glider fleet to track fish in real time
CORNELL (US) — A flotilla of solar-powered ocean gliders that can travel up to 12 miles a day may make it possible for scientists to track ocean changes as they happen. Continue…
Monday, January 16, 2012 11:19 - 0 Comments
Earth & Environment - Aug 29, 2011 11:54 - 0 Comments
Japan’s tsunami picked up by radar
UC DAVIS (US) — The tsunami that devastated Japan on March 11 was the first to be observed by high-frequency radar, raising the possibility of new early warning systems. (more…)
Earth & Environment - Aug 15, 2011 13:06 - 1 Comment
10 million viruses in one drop of seawater
UC SANTA BARBARA (US) — Viruses fill the ocean and have a significant effect on ocean biology, according to a new study that reveals striking recurring patterns of marine virioplankton dynamics in the open sea. (more…)
Earth & Environment - Jul 19, 2011 11:02 - 0 Comments
Acidic ocean spawns wimpy mussels
UC DAVIS (US) — Increased ocean acidity is taking a toll on mussels, creating a domino effect on coastal ecosystems from Alaska to California. (more…)
Top Stories - Jul 19, 2011 9:40 - 0 Comments
Gulf ‘dead zone’ bigger than Delaware
TEXAS A&M (US) — This year’s dead zone in the Gulf of Mexico is 3,300 square miles—bigger than Delaware and Rhode Island combined—and researchers anticipate it could become much larger. (more…)
Earth & Environment - Jun 15, 2011 11:35 - 0 Comments
Red tide toxins ride in on wave of salt
TEXAS A&M (US) — Changes in salinity may explain why red tide algae in the Gulf of Mexico becomes toxic as it moves onshore, killing marine life and posing health hazards to humans. (more…)
Earth & Environment - May 13, 2011 12:18 - 2 Comments
Network tracks ocean’s ebb and flow
UC SANTA BARBARA (US) — A network of high-frequency radar systems is keeping track of 1,500 miles of Pacific shoreline—from Astoria, Washington, to Tijuana, Mexico. (more…)
Earth & Environment - Mar 29, 2011 12:02 - 0 Comments
Deep-sea volcanoes air volatile side
MCGILL (CAN) — Deep-sea volcanoes do more than gush magma flow—in some cases high concentrations of CO2 cause massive underwater explosions. (more…)
Earth & Environment - Jan 7, 2011 13:11 - 1 Comment
Methane levels near normal in Gulf
TEXAS A&M / UC SANTA BARBARA (US) — Calling the results “extremely surprising,” researchers report that methane gas concentrations in the Gulf of Mexico have returned to near normal levels only months after the Deepwater Horizon oil rig explosion. (more…)
Earth & Environment - Dec 20, 2010 14:57 - 1 Comment
Will turbines turn tides into electricity?
U. WASHINGTON-SEATTLE (US) — Two turbines, each 30 feet wide, are being deployed in Puget Sound to test the feasibility of feeding power from ocean tides into an electrical grid. (more…)
Earth & Environment - Oct 13, 2010 13:02 - 0 Comments
Easy way to track phytoplankton
U. WASHINGTON (US) — It’s now much easier to pinpoint biological hot spots in the world’s oceans where some inhabitants are smaller than, well, a pinpoint. (more…)
Earth & Environment - Sep 22, 2010 13:33 - 0 Comments
Effects of Gulf spill dispersant unknown
U. BUFFALO (US) — After the failure of the Deepwater Horizon oil well last spring, nearly 2 million gallons of dispersant were released into the Gulf of Mexico. (more…)
Earth & Environment - Sep 17, 2010 12:21 - 0 Comments
Fate of deep plumes in Gulf spill
UC SANTA BARBARA / TEXAS A&M (US) — Answers are emerging about the impact of hydrocarbon gases escaping from the Deepwater Horizon oil spill in the Gulf of Mexico. (more…)
Earth & Environment - Aug 2, 2010 12:12 - 0 Comments
Robotic sub records flow of undersea river
U. LEEDS (UK)—A team of scientists has used a robotic submarine to observe detailed flows within an deep-sea river for the first time. (more…)
Earth & Environment - Jul 14, 2010 17:15 - 1 Comment
Greenhouse gas causing Indian Ocean to rise
U. COLORADO (US)—Newly detected rising sea levels in parts of the Indian Ocean, including the coastlines of the Bay of Bengal, the Arabian Sea, Sri Lanka, Sumatra, and Java, appear to be at least partly a result of human-induced increases of atmospheric greenhouse gases. (more…)
Earth & Environment - Apr 28, 2010 12:15 - 0 Comments
‘Black box’ of plankton fix oceans’ carbon
U. WARWICK (UK)—Almost half of the ocean’s carbon fixation is done by eukaryotic phytoplankton, despite the fact that their presence is significantly less than the more abundant blue-green algae known as cyanobacteria. (more…)
Science & Technology - Feb 4, 2010 11:42 - 2 Comments
Lost City microbes vie for control
U. WASHINGTON (US)—On the marine microbial stage, there appears to be a vast group of understudies only too ready to step in when “star” microbes falter. At least that’s what happens at the Lost City hydrothermal vent field in the mid-Atlantic Ocean—the only one of its kind found thus far. (more…)
Earth & Environment - Jan 13, 2010 13:26 - 0 Comments
On video: Seafloor volcano spews magma
U. WASHINGTON—For the first time molten lava has been observed flowing from a deep ocean volcano. In video footage, clouds of milky-yellow sulfur gas billow, molten red lava explodes into the icy ocean water and turns almost instantaneously to black rock, while water vapor creates huge, glowing lava bubbles several feet across. (more…)
Earth & Environment - Nov 11, 2009 16:48 - 2 Comments
Underwater killer triggers cellular suicide
RUTGERS (US)—Scientists have found a chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean. This same chemical may hold unexpected promise in cancer research. (more…)
