Tag: "storms" at biology news
New England lakes hold clues to lurking storms and floods
...ew England headed for troubled waters? Devastating storms
and floods may be ready to wreak havoc, according ...ch couldn't be more timely. "The last big group of storms
was you guessed it almost 3,000 years ago," says Paul Bierman, co-author of "Millennial-scale stor...
Asian dust storm causes plankton to bloom in the North Pacific
...phers first began to suspect that terrestrial dust storms
play a key role in phytoplankton growth in the so-...tilization by iron transported in terrestrial dust storms
had never been observed directly. Three days before the launch of the Carbon Observers on April 10...
Study shows fossil records remain stable in storm beds
...ons are believed to have been produced by multiple storms
over a long period of time. The oldest storm-deri...nst the ancient ocean shelf as they do today. The storms
could have shifted or scrambled the ancient sea floor habitats across geographical space or potentia...
K-State researchers study response of prairie ecosystem
...ely increasing the severity of dry periods between storms
without altering the total amount of precipitation...the dry periods between events and the size of the storms
is different," Knapp said of the. "We're changing just the distribution of rain and the intensity of...
Increase in rainfall variability related to global climate change
...vely increased the severity of dry periods between storms
without altering the total amount of precipitation received during a growing season. "When these native grassland plots, exposed to more variable rainfall patterns, were compared with plots that received rainfall in a natural pattern, the overall gro...
Science picks -- leads, feeds and story seeds (February 2003)
... Tracking Space's Magnetic Personality Magnetic storms
caused by rapid variations in magnetic fields brought about by variable conditions in the near-Earth space environment can make radio communication difficult or impossible, degrade global positioning systems, damage satellite electronics, and induc...
Listen up! Infrasound is talking
...understorms likely to generate tornadoes and those storms
that probably will not. In addition, Bedard notes that infrasound may help scientists understand "sprites," mysterious and colorful above-cloud lightning. Milton Garces is using infrasound to answer deep questions--literally deep questions. Garces us...
Tufts civil engineer predicts Bostons rising sea levels could cause billions of dollars in damage
...ne meter and Boston properties are damaged by more storms
than the team estimates, the total property and emergency costs could easily reach $94 billion. "Build-Your-Way-Out" Scenario This approach would also allow the current development to continue without flood proofing buildings, but would mean that a...
Researchers will no longer be 'snowed' in predicting future avalanches
... East, where many slopes have experienced numerous storms
making it heaven for skiers, but more risky on avalanche-susceptible mountainsides. Mt. Washington in New Hampshire, for example, accounted for the first two deaths of the current North American winter season when an avalanche buried two people las...
Scientists re-evaluating the meaning of 'desertification,' Duke ecologist says
...ing into grasslands in southern New Mexico to dust storms
in China." He noted that the United Nations established a convention in 1994 to target what it termed "poverty, drought and food insecurity in dry land countries experiencing desertification." However, "the variety of spins put on what is meant by '...
Encrustation provides clues about ancient seas
... while Bouchardia sits on the surface; but because storms
periodically rework everything, some shells get brought back to the surface while others get buried, so they both get encrusted eventually. The composition of the shells may also make a difference to the organisms colonizing them; Macoma is aragoniti...
Black water turns the tide on Florida coral
...ide migrated to the south along the coast. Winter storms
caused large amounts of fresh water to drain from the Everglades into Florida Bight (the curve in the shoreline from the Keys north to Everglades National Park on the mainland), carrying high levels of nutrients such as silicate, phosphorus, and nitr...
Science picks: Leads, feeds and story seeds for August 2003
...S scientists are focused on the effects of intense storms
to the Atlantic and Gulf coasts of the United Stat...integrated with information on the impact of prior storms
and beach stability to give a more complete assessment of the vulnerability to coastal storms. Conta...
Weather extremes shed light on prairie's past and environment's future
...ata on thunderstorms. The plains average 60 to 80 storms
and more than 10,000 minutes of storm activity each year. Only Florida and the Gulf Coast experience more. The tall grass region also faces a three-to-five-times greater risk of fire from lightning. In addition to the heat and searing of fires, sev...
NSF awards $68 million for new engineering centers
... detection, understanding and prediction of severe storms
and other atmospheric hazards, with the goal of ul...prediction, detection, and understanding of severe storms
and other atmospheric and airborne hazards. Engineers, computer scientists, atmospheric scientists,...
Study predicts loss of monarch winter refuges
...50 years. All current climate models predict more storms
in places where monarchs spend the winter, said Ob...le for monarchs in the winter. Furthermore, winter storms
in the Mexican fir forests in 2002 caused massive monarch mortality, an indication that storms
Global wetlands surveyed from space
...y, and also cause ecological problems such as dust storms
and uncontrolled carbon dioxide emissions from smouldering peat fires. In Russia the Globwetland partner is the Ministry of Ecology and Land Use of Moscow region, and has a particular interest in using periodic satellite data to monitor peat fires a...
UCLA study sheds new light on island evolution
...ing to their 12-month study: Hurricanes and lesser storms
wash the lizards into prevailing ocean currents, which carry them from island to island. "The lizards are being prevented from evolving as quickly as they otherwise would have," said Calsbeek, the study's lead researcher. "We can no longer just assum...
AGU journal highlights - 6 January 2004
...------------------ 6. Emissions from Martian dust storms
can be remotely identified Martian dust devils and dust storms
can likely be detected remotelyby their electromagnetic radiation signals, which can be easily readi...
ESA to select new Earth Explorer missions
...n to the monitoring and understanding of hazardous storms
along the coasts of the Mediterranean. SWARM (a constellation of small satellites to study the dynamics of the Earth's magnetic field) Magnetic field plays an important role in many of the physical processes throughout the Universe. The Earth is s...
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