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Preview: EurekAlert! - Oceanography

EurekAlert! - Oceanography

The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.

Last Build Date: Sat, 25 Feb 2017 01:51:01 EST

Copyright: Copyright 2017 American Association for the Advancement of Science (AAAS); All rights reserved.

NASA sees another quick Tropical Cyclone demise in South Pacific

Thu, 23 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA's Aqua satellite captured an image of the end of Tropical Cyclone 8P as it was being sheared apart by strong vertical wind shear.

Last year's El Niño waves battered California shore to unprecedented degree

Thu, 23 Feb 2017 00:00:00 EST

(National Science Foundation) Last winter's El Niño may have felt weak to residents of Southern California, but it was one of the most powerful weather events of the last 145 years, scientists say.

Scientists present El Nino

Thu, 23 Feb 2017 00:00:00 EST

(National Science Foundation) The ecological effects of the strong 2015-2016 El Niño. Carbon burial in aquatic ecosystems. The presence of pharmaceuticals in streams.

Warming temperatures could trigger starvation, extinctions in deep oceans

Thu, 23 Feb 2017 00:00:00 EST

(Oregon State University) Researchers from 20 of the world's leading oceanographic research centers today warned that the world's largest habitat -- the deep ocean floor -- may face starvation and sweeping ecological change by the year 2100.

Study targets warm water rings that fuel hurricane intensification in the Caribbean Sea

Wed, 22 Feb 2017 00:00:00 EST

(University of Miami Rosenstiel School of Marine & Atmospheric Science) In a study conducted in the region two years prior to when Matthew's trekked across the Caribbean Sea, the research team in the Upper Ocean Dynamics Laboratory at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science deployed 55 aircraft ocean instruments from the National Oceanographic Atmospheric Administration's WP-3D aircraft. The purpose of the scientific mission was to measure ocean temperature, salinity, and currents to understand the structure of these warm-water eddies.

NASA spies Tropical Cyclone 08P's formation

Wed, 22 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA's Aqua satellite spotted Tropical Cyclone 08P as it was developing in the South Pacific Ocean. Tropical Cyclone 08P, or 08P formed east of Extra-tropical cyclone Bart.

NASA spies Tropical Cyclone Bart's end

Wed, 22 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA's Aqua satellite spotted Tropical Cyclone Bart as it was transitioning into an extra-tropical cyclone in the South Pacific Ocean.

'Quartz' crystals at the Earth's core power its magnetic field

Wed, 22 Feb 2017 00:00:00 EST

(Tokyo Institute of Technology) Scientists at the Earth-Life Science Institute at the Tokyo Institute of Technology report in Nature (Fen. 22, 2017) unexpected discoveries about the Earth's core. The findings include insights into the source of energy driving the Earth's magnetic field, factors governing the cooling of the core and its chemical composition, and conditions that existed during the formation of the Earth.

NASA sees development of South Pacific's Tropical Cyclone Bart

Tue, 21 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) Tropical Cyclone Bart has developed in the Southern Pacific Ocean, and NASA's Aqua satellite captured an image of the storm early on Feb. 21.

NASA spots short-lived Tropical Cyclone Alfred

Tue, 21 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA-NOAA's Suomi NPP satellite captured a visible image of the Southern Pacific Ocean's newly formed tropical cyclone in the Gulf of Carpentaria. By the next day Alfred made landfall and weakened to a remnant low pressure area.

Scientists release final report, recommendations from the 2016 US National Ocean Exploration Forum

Mon, 20 Feb 2017 00:00:00 EST

(Terry Collins Assoc) Ocean explorers need to think 'beyond the ships' and plan ahead to an age of 'SuBastian and the Roboats' -- a new world of marine technology characterized by autonomy, sensors, precision, miniaturization, machine learning and artificial intelligence, telepresence, better forms of energy storage, and sharing to boost asset utilization. That's among the major recommendations emerging from the US 2016 National Ocean Exploration Forum, 'Beyond the Ships: 2020-2025,' delivered in a final report released today.

Marine ecologist offers suggestions for achieving a strong, lasting 'blue economy'

Sun, 19 Feb 2017 00:00:00 EST

(Oregon State University) Incentive-based solutions offer significant hope for addressing the myriad environmental challenges facing the world's oceans.

Smart reforms key to global fish recovery, even with climate change

Sat, 18 Feb 2017 00:00:00 EST

(VVH Consulting) New research finds that climate change will cause dramatic impacts in the world's fisheries, but with effective management most fisheries could yield more fish and more prosperity, even with a changing climate. Relative to today, this preliminary research illustrates that effective management reforms can lead, globally, to a nearly 90 percent increase in profits, a third more fish in the water and a more than 10 percent increase in harvest by 2100 in the face of climate change.

Invitation: Global warming to cause dramatic changes in fisheries

Sat, 18 Feb 2017 00:00:00 EST

(VVH Consulting) New research from scientists and economists at the University of California Santa Barbara, Oregon State University and Environmental Defense Fund identifies the dramatic future impacts of climate change on the world's fisheries and how fishing reforms are vital to sustaining the global seafood supply. Even in the face of climate change, the research (to be released at the AAAS meeting on Feb. 18) finds that the total amount of fish in the oceans globally and fishing profits would increase significantly through effective management.

NASA examines Ex-Tropical Cyclone Dineo's rainfall

Fri, 17 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA examined the heavy rainfall generated by Tropical Cyclone Dineo as it made landfall in Mozambique and NASA's Terra satellite spotted the storm's remnants over four countries.

Satellite views storm system affecting Southern California

Fri, 17 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) Satellite imagery captured the beginning of a chain of Eastern Pacific Ocean storms forecast to affect the US West Coast. A close-up satellite view show from Feb. 17 shows a large storm system affecting southern California, while a wider satellite view revealed a second storm system in the Central Pacific Ocean headed toward the east.

Panel to discuss deep-sea mining at AAAS Meeting

Fri, 17 Feb 2017 00:00:00 EST

(Woods Hole Oceanographic Institution) A panel of scholars including Stace Beaulieu, a deep-sea biologist at Woods Hole Oceanographic Institution (WHOI), will discuss the pros and cons of deep-sea mining during the symposium, "Should We Mine the Seafloor?" scheduled on Saturday, February 18, at the AAAS meeting in Boston, MA. A news briefing for science journalists will be held at 4 p.m. on Friday, February 17, in room 103 of the Hynes Convention Center.

Local weather impacts melting of one of Antarctica's fastest-retreating glaciers

Fri, 17 Feb 2017 00:00:00 EST

(University of East Anglia) Local weather plays an important part in the retreat of the ice shelves in West Antarctica, according to new research published in the journal Nature Communications.The study led by scientists at the University of East Anglia (UEA) of the Pine Island Glacier (PIG) used a unique five-year record to study how the interactions between the ocean and the atmosphere, as well as changing currents, control how heat is transported to, and beneath, the Pine Island Ice Shelf.

Where are the whales off the West Coast?

Thu, 16 Feb 2017 00:00:00 EST

(NOAA Fisheries West Coast Region) A free webinar for the shipping industry, fishing community and others interested in a new system that reveals where ships are most likely to encounter high densities of blue whales off the West Coast. The project funded by NASA and NOAA produces monthly maps of anticipated blue whale densities based on ocean conditions, which are regularly posted on NOAA Fisheries' West Coast Region website. The information is designed to help vessel crews and fishermen reduce the risk of ship strikes and entanglements.

NASA gets a night-time view ex-Tropical Cyclone Dineo

Thu, 16 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) NASA-NOAA's Suomi NPP satellite got a night-time view of former Tropical Cyclone Dineo over the southeastern coast of Mozambique. Warnings have already been posted in the northeastern region of South Africa as Dineo continues to track inland.

UN addresses issue of whale-ship collisions

Wed, 15 Feb 2017 00:00:00 EST

(Wildlife Conservation Society) Scientists and government officials met at the United Nations today to consider possible solutions to a global problem: how to protect whale species in their most important marine habitats that overlap with shipping lanes vital to the economies of many of the world's nations.

New methods further discern extreme fluctuations in forage fish populations

Wed, 15 Feb 2017 00:00:00 EST

(NOAA Fisheries West Coast Region) California sardine stocks famously crashed in John Steinbeck's 'Cannery Row.' New research, building on the pioneering work of Soutar and Isaacs in the late 1960s and others, shows in greater detail that such forage fish stocks have undergone boom-bust cycles for centuries, with at least three species off the US West Coast repeatedly experiencing steep population increases followed by declines long before commercial fishing began.

NASA sees Tropical Cyclone Dineo at Mozambique coast

Wed, 15 Feb 2017 00:00:00 EST

(NASA/Goddard Space Flight Center) When NASA's Aqua satellite passed over Tropical Cyclone Dineo in the Mozambique Channel on Feb. 15, the storm was centered just off the coast of Mozambique and moving toward landfall.

UD scientists report ocean data from under Greenland's Petermann Glacier

Wed, 15 Feb 2017 00:00:00 EST

(University of Delaware) Based on data from the first UD ocean sensors deployed under Greenland's Petermann Glacier, UD researchers report that the floating ice shelf is strongly coupled, or tied, to the ocean below and to the adjacent Nares Strait. Warming temperatures recorded at the deepest ocean sensors match data from Nares Strait, which connects the Arctic and Atlantic oceans.

Global ocean de-oxygenation quantified

Wed, 15 Feb 2017 00:00:00 EST

(Helmholtz Centre for Ocean Research Kiel (GEOMAR)) The ongoing global change causes rising ocean temperatures and changes the ocean circulation. Therefore less oxygen is dissolved in surface waters and less oxygen is transported into the deep sea. This reduction of oceanic oxygen supply has major consequences for the organisms in the ocean. In the international journal Nature, oceanographers of GEOMAR Helmholtz Centre for Ocean Research Kiel have now published the most comprehensive analysis on oxygen loss in the world's oceans and their cause so far.