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Latest Coastal geography Stories

2012-01-26 13:23:25

Discoveries made in some underwater caves by Texas &M University at Galveston researchers in the Bahamas could provide clues about how ocean life formed on Earth millions of years ago, and perhaps give hints of what types of marine life could be found on distant planets and moons. Tom Iliffe, professor of marine biology at the Texas A&M-Galveston campus, and graduate student Brett Gonzalez of Trabuco Canyon, Calif., examined three "blue holes" in the Bahamas and found that layers...

2011-11-28 11:38:00

New site goes live today WASHINGTON, Nov. 28, 2011 /PRNewswire-USNewswire/ -- Conservation groups today launched a new website, www.MississippiRiverDelta.org, focused on restoring one of America's greatest natural resources, the Mississippi River Delta. The site houses scientific information, public policy analysis, cultural and historical summaries, and Delta Dispatches, a news blog about restoration efforts in the delta. "MississippiRiverDelta.org is a one-stop shop for news,...

2011-11-18 03:24:59

Restoration reduces sea-level rise impacts over next 100 years A new study, led by PRBO Conservation Science (PRBO), projects a bleak future for San Francisco Bay's tidal marshes under high-end sea-level rise scenarios that are increasingly likely. PRBO and colleagues found that in the worst case scenario 93% of San Francisco Bay's tidal marsh could be lost in the next 50-100 years [with 5.4 feet or 1.65 meters of sea-level rise, low sediment availability and no significant restoration]....

2011-10-03 14:16:45

Harsh living conditions caused by major fluctuations in the carbon content and sea levels, overacidification and oxygen deficiency in the seas triggered the largest mass extinction of all time at the end of the Permian era 252 million years ago. Life on Earth was also anything but easy after the obliteration of over 90 percent of all species: Throughout the entire Early Triassic era, metazoan-dominated reefs were replaced by microbial deposits. Researchers had always assumed it took the Earth...

California Coast To Feel Brunt Of Sea Level Rise
2011-09-14 10:51:12

  Picturesque beach towns up and down the coast of California may be facing hefty economic losses caused by rising ocean levels in the next century, according to a new state-commissioned study funded by the California Department of Boating and Waterways and conducted by economists at San Francisco State University. The study examines the cost of both coastal storm damage and erosion which are expected to increase as average coastal sea levels rise. Economists also expect impacts on...

Image 1 - New Coral Dating Method Gives Hints Of Possible Future Sea-level Changes
2011-09-12 07:29:54

  New evidence of sea-level oscillations during a warm period that started about 125,000 years ago raises the possibility of a similar scenario if the planet continues its more recent warming trend, says a research team led by the Woods Hole Oceanographic Institution (WHOI). In a paper published online in the Sept. 11 Nature Geoscience, the researchers report data from an improved method of dating fossil coral reef skeletons in the Bahamas. By calculating more accurate ages for the...

2011-09-08 05:22:00

AMSTERDAM, September 8, 2011 /PRNewswire/ -- Elsevier, world-leading provider of scientific, technical and medical information products and services, organizes the 50th Estuarine & Coastal Sciences Association (ECSA) Conference: "Today's Science for Tomorrow's Management". [http://www.estuarinecoastalconference.com ] The conference, taking place 3-7 June 2012 in Venice, seeks to find answers to potentially massive risks for the long-term changes to coastal environments....

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2011-08-17 06:53:19

TAU researcher discovers that endangered soft corals are also building blocks of coral reefs Scientists have long believed soft corals, one of the many endangered elements of marine life, are only minor contributors to the structure of coral reefs. But that's not true, says new research from Tel Aviv University "” and the preservation of soft corals is essential to the health of our seas. Joint research by Tel Aviv University and the Academia Sinica, the National Museum of Natural...

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2011-06-15 08:44:26

Hebrew University of Jerusalem researchers have conducted an initial survey of what appears to be an important, ancient water source in a cave that was been discovered during excavation work for a new train station being constructed at the entrance to Jerusalem. The work was done by members of the Cave Research Unit of the university, headed by Prof. Amos Frumkin of the Department of Geography. The cave was exposed near the base of a deep service shaft that was dug for the train tunnel...

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2011-06-11 09:27:57

Forecasting the state of the sea is important for shipping, offshore and coastal engineering, management of coastal zones and tourism. This is set to become easier through ESA's GlobWave project, which offers a one-stop shop for satellite data on ocean waves. Safety and financial losses associated with rough seas are a real concern. Ocean waves slow down the passage of ships, endanger marine industries such as oil and gas extraction, damage aquaculture and offshore wind farms, and erode...


Latest Coastal geography 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...

Mudflats
2013-04-19 21:07:34

Mudflats, or otherwise known as tidal flats, are coastal wetlands that form when mud is left behind by tides or rivers. They’re found in sheltered regions such as bayous, lagoons, estuaries, and bays. Mudflats might be seen geologically as exposed layers of bay mud, a result from the deposition of estuarine silts, marine animal detritus, and clays. The majority of the sediment in a mudflat is within the intertidal zone, therefore the flat is submerged and exposed about twice per day. In...

Salt Marsh
2013-04-19 21:04:15

A salt marsh, also otherwise known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone that lies between the land and the open salt water or brackish water that is routinely flooded by the tides. It’s dominated by dense stands of salt-tolerant plants, for example, herbs, grasses, or low shrubs. These plants originate from all around the globe and are important to the stability of the salt marsh in trapping and binding sediments. Salt marshes...

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...

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