Current Erosion News and Events | Page 20

Current Erosion News and Events, Erosion News Articles.
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Seawall erosion: Are some walls okay?
Owners of beach property have built seawalls to protect their property from storm damage. But these walls are controversial because they accelerate erosion near the walls themselves. Taking a fresh look at beach survey data collected over eight years in California's Monterey Bay in the vicinity of a seawall has provided geologists with some new insights to the long-term impacts of seawalls on the beach. (2001-11-05)

Geologist finds lost island in Santa Barbara channel
An island submerged for more than 13,000 years has been discovered beneath the ocean's surface about halfway between the Santa Barbara Harbor and one of the existing Santa Barbara Channel Islands by Edward A. Keller, professor of geological sciences and environmental studies at UC Santa Barbara. (2001-10-23)

Fractal extremes predict impending breakdowns
How long will a steel pillar support a bridge before rust eats deep enough to let it snap? How long will a container of corrosive acid hold before it springs a leak? A group of scientists at the University of Rochester has found a mathematical basis for predicting when a single point on a surface will erode to a critical depth. (2001-09-26)

Secret to Earth's 'big chill' found in underground water
A new study finds that water quietly trickling along underground may double the amount of debris making its way into the seas, changing the equation for everything from global climate to understanding the ocean's basic chemistry. (2001-09-04)

Scientists make first accurate measurements of eroding UK coastline
SCIENTISTS from the University of Newcastle upon Tyne are making the most accurate measurements ever of the rapidly receding British coastline, using satellites, a microlight aircraft and advanced computer technology. A team of researchers from the university's Department of Geomatics are conducting a UK pilot project on the North Yorkshire coastline at Filey Bay, which is estimated to be eroding by 25cm each year. Coastal erosion is a huge problem nationally and internationally. (2001-08-06)

July media highlights: GEOLOGY and GSA TODAY
Topics addressed include: geologic history of the Amazon Basin and the first mammal-participant in the late Cenozoic faunal exchange between North and South America; 700-year history of intense hurricane strikes along the New Jersey coast; El Nino's frequency and impact on the culture of ancient Peru; and new dating of coral extinctions in the Caribbean Basin. (2001-06-18)

PAR-2 and protective gastric secretion
Kawabata and colleagues have shown previously that the protease-activated receptor PAR-2 can activate secretion. This receptor, which may be best known for its ability to induce smooth muscle relaxation in the vasculature and bronchioles, is unusual in that it carries its own ligand as part of its sequence. Here, Kawabata et al. show that the corresponding peptide can stimulate sensory nerves in the stomach and activate the protective secretion of gastric mucus. (2001-05-29)

Gulf coast's shifting sands draw attention in erosion control study
Erosion claims as much as 10 feet of Galveston Island shoreline a year. In a Sea Grant project Texas A&M University at Galveston's Thomas Ravens is studying the effectiveness of erosion-control methods as well as how much sand is being lost, how much is being gained and how it's being carried around in offshore water currents. (2001-05-23)

Swept away: Study suggests massive water erosion of Mars/ highlands
Massive erosion shaped the surface of Mars, according to planetary scientists at Washington University in St. Louis. They suggest that western Arabia Terra, an area the size of the European continent, experienced an extensive erosion event caused by flowing water. The researchers used data from the Mars Orbiter Laser Altimeter (MOLA) to construct detailed maps. (2001-05-14)

May media highlights: GEOLOGY and GSA TODAY
Topics include: tectonics of the northern plains of Mars; early Paleozoic tectonism and the makeup of east Gondwana; evolution of the San Andreas fault; regional strain accommodation in the New Madrid fault system; the relationship between arroyo formation and climate change in the American southwest; formation of the Aegean Sea; and El Nino floods and culture change in southern Peru. (2001-04-22)

NEAR team studies small-scale features on Eros
NEAR mission science team members have concluded that the majority of the small features that make up the surface of asteroid Eros more likely came from an unrelenting bombardment from space debris than internal processes (2001-04-19)

Miniature unmanned planes descend on arctic for research
Three tiny unmanned airplanes equipped with sophisticated instruments are buzzing over the Arctic sea ice near Barrow, Alaska, providing University of Colorado at Boulder researchers with new atmospheric and environmental data. (2001-04-16)

Secret agent worms tackle top-secret plot to steal our soil
Move over James Bond and Austin Powers. Here come the Secret Agent Worms. University of Illinois Extension has released a full-color kids' book that features the zany exploits of two Secret Agent Worms, Napoleon Soil and Jane Blonde. Their first adventure, The Disappearing Earth, tackles the priority-one problem of soil erosion. (2001-04-01)

Scientists investigate erosion, sand movement on North Carolina's coast
Geologists at North Carolina State University are working to unlock the secrets of sand transport and beach erosion along the sandy coast of North Carolina, where shallow, shifting shoals and violent currents have wrecked ships for hundreds of years. (2001-03-28)

One change in farming makes for cleaner waterways
Changes in farming practices have improved water quality in Lake Erie. Farm-based pollution dropped by as much as 50 percent. Comparing pollutant emissions in 1985 to those 10 years later for two watersheds that drain into the lake showed how farming practices changed in the area during the same time. (2001-03-26)

PTSD patients damage teeth through involuntary grinding, clenching, UB study finds
As if persons with posttraumatic stress disorder (PTSD) didn't have enough to worry about, research now shows their stress-related symptoms could be damaging their teeth. An oral health assessment of long-term PTSD patients conducted by periodontists from the University at Buffalo revealed significant erosion of tooth surfaces. (2001-03-07)

Major unique new study shows infrequent inspections lead to greater stream pollution
Mayflies, dragonflies, stone flies and caddis flies can't take the witness stand in court, of course, but they can provide strong evidence of how well or badly construction workers follow sediment pollution prevention rules, a unique new environmental study shows. The giant (2001-02-12)

Scripps researcher receives coastal engineering award
Richard Seymour honored for 'significant contributions' to coastal research. The American Society of Civil Engineers (ASCE) has awarded Richard Seymour, a research engineer at Scripps Institution of Oceanography at the University of California, San Diego, the 2000 John G. Moffatt - Frank E. Nichol Harbor and Coastal Engineering Award. The award is one of only two medals ASCE grants annually in the field of coastal engineering. (2001-02-07)

UCSD structural engineer to research best ways to stabilize seaside cliffs
The Federal Emergency Management Agency (FEMA) estimates that a quarter of the homes within 500 feet of the U.S. coast could be lost to erosion in the next 50 years. Structural engineers with the UCSD Jacobs School of Engineering are embarking on a new study to determine the best ways to stabilize these fragile cliffs. (2001-01-16)

New method for studying ocean currents to help fight erosion
Researchers can now map the ocean currents that erode beaches, cost coastal towns millions of dollars in annual property losses, and threaten a tourist industry worth billions. With this new method, one video camera with special software does the same work as scientists' only current alternative. (2001-01-02)

One answer for cleaner air, water: better agricultural practices
etter management of U. S. agricultural lands could help reclaim 100 to 300 million tons of carbon that escapes into the atmosphere each year. Carbon is considered one of the key pollutants contributing to global warming. Agricultural lands comprise about 42 percent of the total landmass of the United States. (2000-12-17)

Mars' patchwork magnetic fields act as umbrella array to protect planet's atmosphere
Many experts think Mars' atmosphere was for the most part swept away by the solar wind after the planet lost its protective magnetic field 4 billion years ago. A new study by a UC Berkeley researcher suggests that localized fields embedded in the Martian crust are now protecting what's left. (2000-12-17)

Historic records reveal links between El Niño, coastal erosion, and shifting sands of beaches in central California
Erosion of seacliffs, damage to coastal structures, and the comings and goings of beach sand along California's central coast are all closely linked to the intense winter storms associated with El Niño. Two new studies reveal the connections between this climatic heavy hitter and the processes that shape the coastline of California. (2000-12-16)

Growth of world chemicals industry expected to slow next year
After healthy growth in the first half of this year, the world chemical industry faltered, hurt by high oil prices and the consequent rise in energy and feedstock costs. The slowdown is likely to continue, resulting in slower-but still positive-growth next year, according to the current (Dec. 11) issue of Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society, the world's largest scientific society. (2000-12-14)

Major issue impeding successful magnetic confinement fusion resolved by joint Sandia/General Atomics/UC-San Diego research
A research team from the Department of Energy's (DOE) Sandia National Laboratories, General Atomics and the University of California at San Diego has resolved one of many issues impeding successful magnetic confinement fusion. The team discovered a way to keep the fusion plasma from eroding divertor walls inside tokamak fusion machines. (2000-09-12)

Ancient lake sediments yield clues about future central plains drought cycles
Analyzing ancient sediments laid down in a North Dakota lake thousands of years ago, ecologists and earth scientists have found evidence of century-scale cycles of drought and moisture. The finding not only sheds light on ancient drought cycles, but also offers hints that global warming may tip a precarious balance, with the increased aridity in continental interiors sending the Central Plains and other such areas into such cycles. (2000-08-08)

FDA advisory committee recommends approval of Remicade® with methotrexate for reduction of joint damage in patients with rheumatoid arthritis
Centocor, Inc. said today that the Arthritis Advisory Committee to the U.S. Food and Drug Administration (FDA) voted unanimously to recommend approval of REMICADE® (infliximab) with methotrexate for reduction of structural damage in patients with rheumatoid arthritis. REMICADE with methotrexate is currently approved for treatment of rheumatoid arthritis in patients who have an inadequate response to methotrexate alone. (2000-07-11)

X-33 Linear Aerospike Engine undergoes first full-power test at Stennis Space Center
A new type of rocket engine that will propel the X-33 experimental launch vehicle was tested to full power for the first time Dec. 18. The 18-second test of the XRS-2200 Linear Aerospike Engine was conducted on the A-1 test facility at NASA's John C. Stennis Space Center in south Mississippi. (1999-12-20)

The wonderful world of waves
Off the shores of Duck, N.C., researchers will soon gather for an experiment aimed at improving wave forecasting. The experiment, named SHOWEX, or Shoaling Waves Experiment, is part of a 5-year research initiative sponsored by the Office of Naval Research. (1999-10-06)

Dennis dissipates, work just begins for USGS scientists
While Hurricane Dennis is little more than a soggy memory, scientists from the U.S. Geological Survey (USGS) are hard at work trying to understand how the storm changed the landscape of beaches along the Virginia and Carolina coasts. The information gained from these studies will help local planners and emergency managers take necessary steps to lessen the impact of damaging storms - making communities safer for everyone. (1999-09-10)

Soil erosion winding down, not revving up, reported in the 20 August issue of Science
Fertile topsoil is probably not eroding from farmlands at the alarming rate that it's widely believed to be, suggests a new study. The results, some of the first precise measurements of a notoriously difficult to measure problem, challenge previous reports that soil erosion is becoming as serious as it was during the Dust Bowl six decades ago. (1999-08-20)

Scientists prepare New York City for future climate change
Scientists and government agencies in New York City have joined forces to meet the challenges climate change is expected to have on the city. Early results will be presented at the American Geophysical Union meeting. (1999-06-04)

Some Atlantic Coast Beaches Are Shrinking While Florida's Beaches Better Off Than Most
Beaches in other Atlantic states are shrinking or disappearing on average, some very quickly, while Florida's beaches generally are not falling victim to coastal erosion or steadily rising sea levels. In fact, despite areas of serious erosion, Florida east coast beaches are actually experiencing an average increase in size. (1999-05-04)

Duke Geologist Decries Using Engineering Models To Predict Natural Phenomena
Using mathematical models to predict natural processes - such as how well a sandy beach can weather randomly occurring storm buffeting - is a commonplace but wrongheaded engineering practice that can cause real harm, according to a Duke University geologist who studies such coastal dynamics. (1999-01-25)

Magnetic Manipulation For Molten Metals
Powerful magnetic forces are now being used to levitate, stir and dam the flow of molten metal in the production of steel and aluminium. New research from Cambridge and Oxford universities is allowing manufacturers to produce cleaner, higher quality metals and alloys in less polluting and cheaper processes. (1998-10-29)

R&D Investment Up, Federal Contribution Down - Special Chemical & Engineering News Report
For the fourth year in a row, investment in American research and development is expected to outpace the strong growth of the U.S. economy, despite a decrease in federal R&D dollars, according to a special report in the Oct. 19 issue of Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society, the world's largest scientific society. (1998-10-19)

Drug Treatments For Asthma May Cause Erosive Tooth Damage
Elizabeth O'Sullivan and Martin Curzon from the Department of Paediatric Dentistry at Leeds Dental Institute warn that drug treatments for asthma, in a powdered form, may be causing tooth erosion in children. (1998-09-18)

A Whirlwind Of Activity -- USGS Responds To Hurricanes
Before, during, and after the storm, the U.S.Geological Survey helps people in hurricane-prone areas by providing detailed maps of the affected areas to rescue and recovery workers, by tracking floods, and by documenting coastal erosion. (1998-08-26)

Gender And Age Differences Found In Clotting Mechanism Of Sudden Cardiac Death
Blood clots that can trigger a sudden heart attack often differ between men and premenopausal women -- a finding that may have important implications for preventing sudden cardiac death, which kills 250,000 people each year. This research was reported in a study in today's Circulation: Journal of the American Heart Association. (1998-04-27)

USGS Says Central Columbia Plateau Water Quality Impaired by Agriculture, But Some Good News
Water quality in the Central Columbia Plateau of eastern Washington and western Idaho has been adversely affected by agriculture, especially in irrigated areas, according to the results of a five-year investigation by the U. S. Geological Survey (USGS). Some improvements, however, are noticeable, such as less sediment being washed into streams. (1998-04-22)

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