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Latest Physical oceanography Stories

Climatic Variability Has A Significant Impact On Pine Island Glacier
2014-01-03 07:31:08

redOrbit Staff & Wire Reports - Your Universe Online Pine Island Glacier, one of the largest routes for ice to flow from Antarctica into the sea, is far more susceptible to climatic and ocean variability than previously believed, according to research published Thursday in the advanced online version of the journal Science. Observations from Dr. Pierre Dutrieux of the British Antarctic Survey (BAS) and his colleagues showed sizable fluctuations in ocean heat in Pine Island Bay. They...

greenland aquifer
2013-12-23 04:31:55

redOrbit Staff & Wire Reports - Your Universe Online An “extensive” new aquifer discovered in the Greenland Ice Sheet by an international team of researchers contains liquid water year-round, according to research published in Sunday’s edition of the journal Nature Geoscience. According to the researchers, the reservoir fills 27,000 square miles and is known as a “perennial firn aquifer” because water persists inside the firn – layers of ice and snow that don’t melt...

Corals Keep Climate Record
2013-12-16 10:19:07

Brett Smith for redOrbit.com - Your Universe Online In addition to providing shelter and being an important part of a marine ecosystem, coral reefs can also serve as a record of long-term changes to the ecosystem. According to a new study published on Sunday in the journal Nature, an analysis of Pacific corals has revealed changes at the bottom of the marine food web observed in recent decades in the North Pacific Subtropical Gyre may have started over 150 years ago. The study team...

Historically, Volcanic Island Landslides Do Not Cause Massive Tsunamis
2013-12-12 07:01:59

April Flowers for redOrbit.com - Your Universe Online Researchers at the National Oceanography Center say that the risk posed by tsunami waves generated by Canary Island landslides may need re-evaluation. Their findings, published in the journal Geochemistry, Geophysics, Geosystems, suggest that these landslides result in smaller tsunami waves than previously thought by some authors, because of the processes involved. Using the geological record from deep marine sediment, the...

ESA CryoSat Mission Confirms Antarctic Ice Loss Is On The Rise
2013-12-12 06:08:21

Alan McStravick for redOrbit.com - Your Universe Online With news out of San Francisco this week, at the autumn meeting of the American Geophysical Union (AGU), we learned scientists have incorrectly estimated the amount of ice being lost on the polar continent of Antarctica. This environmental faux pas directly affects the estimates on global sea level rise as well. The team presenting these findings conducted their research with the Natural Environment Research Council’s Center for...

GPS Natural Disaster Warning System NASA
2013-12-11 09:35:42

April Flowers for redOrbit.com - Your Universe Online Existing GPS technologies have been enhanced by scientists at NASA's Jet Propulsion Laboratory (JPL) and Scripps Institution of Oceanography at UC San Diego to develop new systems for California and elsewhere to provide warning of hazards such as earthquakes, tsunamis and extreme weather events. Forecasters at NOAA National Weather Service offices in Oxnard and San Diego, California demonstrated the new technology in July, using it...

Scientists Project New Jersey Shore Sea Level To Rise 11 To 15 Inches Higher Than Global Average For Next Century
2013-12-05 19:12:21

Rutgers Geoscientists at Rutgers and Tufts universities estimate that the New Jersey shore will likely experience a sea-level rise of about 1.5 feet by 2050 and of about 3.5 feet by 2100 – 11 to 15 inches higher than the average for sea-level rise globally over the century. That would mean, the scientists say, that by the middle of the century, the one-in-10 year flood level at Atlantic City would exceed any flood known there from the observational record, including Superstorm Sandy....

Fishing Has Reduced Vital Seaweed Eaters By More Than Fifty Percent
2013-12-04 19:27:07

Scripps Institution of Oceanography, UC San Diego In the first global assessment of its kind, a science team led by researchers at Scripps Institution of Oceanography at UC San Diego has produced a landmark report on the impact of fishing on a group of fish known to protect the health of coral reefs. The report, published in the journal Proceedings of the Royal Society B (Biological Sciences), offers key data for setting management and conservation targets to protect and preserve fragile...

Rip Tides Australia's Most Lethal Natural Hazard
2013-11-27 16:06:08

Lee Rannals for redOrbit.com - Your Universe Online Researchers from the University of New South Wales found that rip currents actually claim more lives in Australia than any other natural hazards. The team wrote in the journal Natural Hazards and Earth Science Systems how rip currents cause more deaths than bushfires, floods, cyclones and sharks combined. They found rip currents cause an average of 21 confirmed human fatalities per year, compared with 5.9 for bushfires, 4.3 for floods,...

2013-11-22 11:47:09

Predictions of sea level rise could become more accurate, thanks to new insight into how glacier movement is affected by melting ice in summer Predictions of sea level rise could become more accurate, thanks to new insight into how glacier movement is affected by melting ice in summer. Studies of the Greenland ice sheet, including during a record warm summer, are helping scientists better understand how summer conditions affect its flow. This is important for predicting the future...


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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