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Scientists See Record Decline In Greenland And Antarctic Ice

Scientists See Record Decline In Greenland And Antarctic Ice Sheets

April Flowers for redOrbit.com - Your Universe Online Data from the European Space Agency's (ESA) CryoSat-2 spacecraft has been used to map elevation and elevation changes in both Greenland and Antarctica by a team of researchers from the...

Latest Physical oceanography Stories

hard coral species Pachyseris inattesa
2014-08-19 03:30:07

Pensoft Publishers The hard corals primarily responsible for the construction of coral reefs around the world have attracted the attention of taxonomists for hundreds of years. Despite the important role such corals play in building what are arguably the world's most diverse ecosystems, coral reefs in some parts of the world still hold surprises for modern scientists. An international team of scientists has recently described a new hard coral species, Pachyseris inattesa, from the Saudi...

antarctica sea level rise
2014-08-15 02:44:47

Potsdam Institute for Climate Impact Research Ice discharge from Antarctica could contribute up to 37 centimeters to the global sea level rise within this century, a new study shows. For the first time, an international team of scientists provide a comprehensive estimate on the full range of Antarctica’s potential contribution to global sea level rise based on physical computer simulations. Led by the Potsdam Institute for Climate Impact Research, the study combines a whole set of...

Trapped Giant Waves In The Atmosphere Trigger More Extreme Weather
2014-08-13 03:46:00

Potsdam Institute for Climate Impact Research (PIK) Weather extremes in the summer - such as the record heat wave in the United States that hit corn farmers and worsened wildfires in 2012 - have reached an exceptional number in the last ten years. Man-made global warming can explain a gradual increase in periods of severe heat, but the observed change in the magnitude and duration of some events is not so easily explained. It has been linked to a recently discovered mechanism: the...

Finding Deepest Iceberg Scours To Date Provides New Insights Into Arctic’s Glacial Past
2014-08-13 03:02:09

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research Scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), have found between Greenland and Spitsbergen the scours left behind on the sea bed by gigantic icebergs. The five lineaments, at a depth of 1,200 meters, are the lowest-lying iceberg scours yet to be found on the Arctic sea floor. This finding provides new understanding of the dynamics of the Ice Age and the extent of...

mollusk shell
2014-08-11 03:30:14

Hannah Hickey, University of Washington The planet’s largest and most powerful driver of climate changes from one year to the next, the El Niño Southern Oscillation in the tropical Pacific Ocean, was widely thought to have been weaker in ancient times because of a different configuration of the Earth’s orbit. But scientists analyzing 25-foot piles of ancient shells have found that the El Niños 10,000 years ago were as strong and frequent as the ones we experience today. The...

pacific trade winds
2014-08-04 05:15:20

redOrbit Staff & Wire Reports - Your Universe Online Climate scientists have finally solved the mystery as to why the equatorial Pacific trade winds, which were expected to get weaker due to increasing greenhouse gas levels, have actually gotten stronger in recent years. For more than a decade, experts have wondered why the trade winds have behaved in contrast to climate models and become supercharged since the early 1990s. The phenomenon, according to a team of US and Australian...

nuisance flooding
2014-07-29 05:25:51

April Flowers for redOrbit.com - Your Universe Online The National Oceanic and Atmospheric Administration (NOAA) released a technical report on Monday revealing that of the top 10 US cities that have seen an increase in nuisance flooding, eight are on the East Coast. Nuisance flooding causes public inconveniences such as frequent road closures, overwhelmed storm drains and compromised infrastructure, and is the result of rising sea levels. Such flooding has increased along all three US...

heatwave
2014-07-23 07:33:52

redOrbit Staff & Wire Reports - Your Universe Online The month of June set a new all-time heat record with an average global temperature of 61.2 degrees – five percent higher than the old record, which was set in 2010, officials from the US National Oceanic and Atmospheric Administration (NOAA) announced on Monday. According to CBS and Associated Press (AP) reports, last month’s average global temperature was 1.3 degrees higher than the 20th century average. In addition, ocean...

Southern Ocean waves
2014-07-22 03:30:24

University of Southampton A new study has found that turbulent mixing in the deep waters of the Southern Ocean, which has a profound effect on global ocean circulation and climate, varies with the strength of surface eddies – the ocean equivalent of storms in the atmosphere – and possibly also wind speeds. It is the first study to link eddies at the surface to deep mixing on timescales of months to decades. This new insight into how the Southern Ocean behaves will allow...

Researchers Study Biological Erosion Of Mesophotic Tropical Coral Reefs
2014-07-09 03:10:42

University of Miami Rosenstiel School of Marine & Atmospheric Science Researchers compare bioerosion on deeper reef systems to better understand long-term structural sustainability A new study on biological erosion of mesophotic tropical coral reefs, which are low energy reef environments between 30-150 meters deep, provides new insights into processes that affect the overall structure of these important ecosystems. The purpose of the study was to better understand how bioerosion...


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
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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