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Atmospheric and surface ocean temperatures in the Antarctic Peninsula region have increased by a few degrees Celsius over the last few decades, and they are the most rapid changes recorded in the Sout...
THE OCEANOGRAPHY CLASSROOM | Time for Time Series
OCEANOGRAPHY CLASSROOM Time for Time Series
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2015/7/16
In this issue of Oceanography, Holliday and Cunningham (2013) extol the significance of long-term data sets in understanding the marine environment and, in particular, climate change. The 1950s were t...
Oil Spills and Slicks Imaged by Synthetic Aperture Radar
Oil Spills Slicks Imaged Synthetic Aperture Radar
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2015/7/16
Oil spills and slicks occur in the ocean around the world due to natural seeps, oil extraction, transportation, and consumption. Satellite synthetic aperture radar (SAR) has proven to be an efficient ...
Words Are Important
Words OCEANOGRAPHY CLASSROOM
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2015/7/16
College profs spend a great amount of time reading and commenting on students' written work. This can be a real struggle! The precision and clarity required in science writing are often alien to first...
Bioactive trace Metal distributions and Biogeochemical controls in the Southern ocean
Metal distributions Biogeochemical controls
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2015/7/15
Extensive sampling in many regions of the Southern Ocean has
demonstrated that surface water concentrations of dissolved Fe are low enough
to limit phytoplankton growth. In contrast, there is curr...
Various human activities, including
fossil fuel combustion and forest clearing, emit
about eight petagrams (or billion tons) of carbon
in the form of CO2 into the atmosphere annually.
The glob...
Buoyancy-Driven Flows
Buoyancy-Driven Flows
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2015/7/15
Buoyancy forces, and their interplay with pressure, inertia, and rotation, represent a key ingredient in a wide range of oceanic and atmospheric flow processes. They strongly influence global ocean ci...
The East Pacific Rise Between 9°N and 10°N:Twenty-Five Years of Integrated,Multidisciplinary Oceanic Spreading Center Studies
East Pacific Rise Between 9°N and 10°N Twenty-Five Years of Integrated Multidisciplinary Oceanic Spreading Center Studies
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2015/7/14
The East Pacific Rise from ~ 9–10°N is an archetype for a fast-spreading mid-ocean ridge. In particular, the segment near 9°50'N has been the focus of multidisciplinary research for over two decades, ...
Active Long-Lived Faults Emerging Along Slow-Spreading Mid-Ocean Ridges
Long-Lived Faults Emerging Slow-Spreading Mid-Ocean Ridges
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2015/7/14
In the classic mid-ocean ridge model, new seafloor is generated through a combination of magmatic diking feeding lava flows at the spreading axis, and the formation of short-offset, high-angle normal ...
Lava Geochemistry as a Probe into Crustal Formation at the East Pacific Rise
Lava Geochemistry Crustal Formation East Pacific Rise
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2015/7/14
Basalt lavas comprise the greatest volume of volcanic rocks on Earth, and most of them erupt along the world's mid-ocean ridges (MORs). These MOR basalts (MORBs) are generally thought to be relatively...
Recent Advances in Multichannel Seismic Imaging for Academic Research in Deep Oceanic Environments
Recent Advances Multichannel Seismic Imaging Deep Oceanic Environments
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2015/7/14
Academic research using marine multichannel seismic (MCS) methods to investigate processes related to Earth's oceanic crust has made substantial advances in the last decade. These advances were made p...
Recent Seismic Studies at the East Pacific Rise 8°20'–10°10'N and Endeavour Segment:Insights into Mid-Ocean Ridge Hydrothermal and Magmatic Processes
Seismic East Pacific Rise 8°20'–10°10'N Endeavour Segment:Mid-Ocean Ridge Hydrothermal Magmatic Processes
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2015/7/14
As part of the suite of multidisciplinary investigations undertaken by the Ridge 2000 Program, new multichannel seismic studies of crustal structure were conducted at the East Pacific Rise (EPR) 8°20'...
US-Cuba Scientific Collaboration: Emerging Issues and Opportunities in Marine and Related Environmental Sciences
Emerging Issues Opportunities
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2015/7/14
Despite diplomatic nonrecognition, vast political differences, a long-standing trade embargo, and strict limitations on travel, US-Cuban scientific collaboration is on the rise. In December 2011, inde...
Hydrothermal Discharge During Submarine Eruptions:The Importance of Detection,Response,and New Technology
Hydrothermal Discharge Submarine Eruptions Detection Response New Technology
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2015/7/14
Submarine volcanic eruptions and intrusions construct new oceanic crust and build long chains of volcanic islands and vast submarine plateaus. Magmatic events are a primary agent for the transfer of h...
Hydroacoustic Monitoring of Oceanic Spreading Centers:Past,Present,and Future
Hydroacoustic Monitoring Oceanic Spreading Centers Past Present Future
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2015/7/14
Mid-ocean ridge volcanism and extensional faulting are the fundamental processes that lead to the creation and rifting of oceanic crust, yet these events go largely undetected in the deep ocean. Curre...