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Latest Physical oceanography Stories

Atmospheric Circulation Patterns In Australia Disrupted By Climate Tug Of War
2013-06-26 14:03:02

CSIRO Further evidence of climate change shifting atmospheric circulation in the southern Australian-New Zealand region has been identified in a new study. The study, in the Nature journal Scientific Reports, demonstrates that mid-latitude high pressure zones (30oS-45oS) are being pushed further into the Southern Ocean by rising global temperatures associated with greenhouse warming. This is despite more frequent occurrences of strong El Niños in recent decades, which should have drawn...

Greenland Ice Sheet Had Record Melt In 2012 Due To Jet Stream
2013-06-17 13:50:43

Lee Rannals for redOrbit.com — Your Universe Online According to University of Sheffield research, published in the International Journal of Climatology, unusual Jet Stream changes were behind record surface melt of the Greenland Ice Sheet last summer. The Greenland Ice Sheet (GrIS) experienced a record surface melting in the summer of 2012, with more than 90 percent of the ice-sheet surface melting as of July 11, 2012. That was nearly double the previous record loss seen in 2010,...

Basal Melt Responsible For Antarctic Ice Shelf Loss
2013-06-14 06:20:18

redOrbit Staff & Wire Reports - Your Universe Online The majority of Antarctica´s ice loss is caused by warm ocean waters eating away at the undersides of ice shelves, not the sudden release and breaking away of ice masses from glaciers (a process known as calving), according to new research appearing in Friday´s edition of the journal Science. In what is being called “the first comprehensive survey of all Antarctic ice shelves,” researchers from the University...

Earthquake Sounds Help Predict Tsunamis
2013-06-07 11:27:11

Brett Smith for redOrbit.com - Your Universe Online While seismologists have the ability to detect undersea earthquakes, they don´t know which ones will turn into tsunamis. Some ocean-based sensors are able to detect an approaching tsunami, but they can only provide a few minutes of advanced warning. According to a new report in The“¯Bulletin of the Seismological Society of America, two Stanford University researchers have identified key acoustic characteristics of the...

Researchers Map New Jersey Sea-Level Changes Over Last 10,000 Years
2013-05-29 09:07:40

April Flowers for redOrbit.com - Your Universe Online The public and policymakers alike were caught off guard when Hurricane Sandy hit the east coast of the US last fall. The majority of the destruction came from the storm surge and flooding that followed the storm, leading researchers to pay attention to how climate change and sea-level rise may have played a role in the disaster, and how those same factors may impact the shoreline in the future. Benjamin P. Horton, an associate...

Century Old Data Helps Study Climate Change
2013-05-28 15:27:51

Lee Rannals for redOrbit.com - Your Universe Online Ocean data collected over 135 years ago by the crew of the HMS Challenger oceanographic expedition has helped confirm global warming. Researchers from NASA and the University of Tasmania used the data to provide further confirmation that humans have played a part in today's changing global climate. The team combined the ship's measurements of ocean temperatures with modern observations from the international Argo array of ocean...

El Nino Has A New Rhythm
2013-05-27 04:59:39

redOrbit Staff & Wire Reports - Your Universe Online Climate experts from the University of Hawai'i at Manoa Meteorology Department and International Pacific Research Center have reportedly discovered why the weather phenomenon known as El Nino typically peaks around Christmas and ends sometime between the months of February and April. As it turns out according to researchers, "An unusual wind pattern that straddles the equatorial Pacific during strong El Nino events and swings back...

2013-05-23 11:29:18

Alaska´s melting glaciers remain one of the largest contributors to the world´s rising sea levels, say two University of Alaska Fairbanks geophysicists. UAF Geophysical Institute researchers Anthony Arendt and Regine Hock joined 14 scientists from 10 countries who combined data from field measurements and satellites to get the most complete global picture to date of glacier mass losses and their contribution to rising sea levels. “Sea level change is a pressing societal...

Volcanoes Responsible For Coral Reef Diversity
2013-05-22 10:25:08

Michael Harper for redOrbit.com — Your Universe Online A new study claims earthquakes and volcanoes are responsible for the diverse nature of the ocean´s coral reefs. With this information, scientists are now becoming even more worried about global warming. If these monumental geological events play a role in coral creation, it may be even more difficult to replace any reef lost to climate change and rising sea temperatures. This study, conducted by scientists from the ARC...


Latest Physical oceanography Reference Libraries

Coral Reef
2013-04-20 15:49:21

Coral reefs are submerged structures consisting of calcium carbonate secreted by corals. Coral reefs are colonies of small animals found in marine waters that enclose few nutrients. The majority of coral reefs are constructed from stony corals, which then consist of polyps that come together in groups. The polyps are like small sea anemones, to which they are very closely related. Unlike the sea anemones, coral polyps secrete hard carbonate exoskeletons which provide support and protections...

Current Sea Level Rise
2013-04-01 10:39:21

The sea levels all around the world are rising. Current sea-level rise has the potential to affect human populations and the natural environment. Two key factors have contributed to the observed sea level rise. The first is thermal expansion: as the ocean water warms, it expands. The second is from the influence of land-based ice because of increased melting. The major store of water on land is found in the glaciers and the ice sheets. The rising of sea levels is one of several lines of...

Basic Ocean Terms
2013-02-05 12:52:11

Image Credit: Meteorologist Joshua Kelly When meteorologists are forecasting for ocean-going vessels, there are a few terms that we need to understand. The first term is wavelength. Wavelength is defined as the distance between two crests or between two troughs as seen in the image above. The example above highlights the crest to crest concept of wavelength. The next term that we use is wave height, and to determine this, we first must look at the wave when it passes our station. When...

Climate Impact On Your Budget For Billings Montana
2012-12-29 12:40:14

If you live in or around Billings, Montana the above graph shows you what you can roughly expect when it comes to heating and cooling your house during the ENSO Phases. In Billings during a normal phase of the ENSO your heating degree days pass 900HDD. However, when El-Nino phase is present the monthly average dropped to around 650.5HDD, which is a pretty significant amount especially when you are talking about paying that heating bill. When the La-Nina phase sets up the heating degree...

Climate Impact On Your Budget For Bismarck, North Dakota
2012-09-18 13:29:03

If you live in or around Bismarck North Dakota the graph shows you what you can roughly expect when it comes to heating and cooling your house during the ENSO Phases. Bismarck North Dakota, with its northern latitude, does have an impact on what type of heating and cooling it sees. During an Normal Phase the HDD for the region hits about 1348 on average. When the region enters into an El-Nino they can expect the amount of HDD’s to decrease to around 970 which really helps cut down on the...

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Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.