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Subtropical Current Events | Subtropical News
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Subtropical Arctic
The North Pole, synonymous with all things very cold, once had a subtropical climate according to scientists now returning from the Arctic . view more (2004-09-06)
The tropics may be expanding
Atmospheric temperature measurements by U.S. weather satellites indicate Earth's hot, tropical zone has expanded farther from the equator since 1979, says a study by scientists from the University of Utah and University of Washington. view more (2006-05-26)
Duke scientists explain gaps in nutrient availability within North Atlantic
Duke University oceanographers have developed an explanation for why a vast North Atlantic circulation zone can have a large variability in nutrient supplies needed to sustain ocean plants and, by extension, support the food web of marine life. view more (2005-09-29)
North Atlantic warming tied to natural variability; but global warming may be at play elsewhere
A Duke University-led analysis of available records shows that while the North Atlantic Ocean's surface waters warmed in the 50 years between 1950 and 2000, the change was not uniform. In fact, the subpolar regions cooled at the same time that subtropical and tropical waters warmed. view more (2008-01-04)
Faster atmospheric warming in subtropics pushes jet streams toward poles
The atmosphere is warming faster in subtropical areas, around 30 degrees north and south latitude, than it is elsewhere, University of Washington-led research shows. view more (2006-05-26)
Immune deficiency linked to a type of eye cancer
The incidence of squamous cell eye cancer is greater among kidney transplant patients and people with human immunodeficiency virus (HIV) than the general public, which suggests the disease is associated with immune deficiency. view more (2007-08-15)
Regional warming-induced species shift in NW Mediterranean marine caves
The north-western Mediterranean Sea has a high biodiversity reflecting a mixture of temperate and subtropical species. But this basin already shows signs of large-scale warming. Marine cave communities with endemic and specialised species are particularly at risk since they are naturally fragmented... view more (2003-04-08)
Tiny Marine Organisms Reflect Ocean Warming
Sediment cores collected from the seafloor off Southern California reveal that plankton populations in the Northeastern Pacific changed significantly in response to a general warming trend that started in the early 1900s. view more (2006-01-06)
Destruction of fruit bats` habitat could spread disease
New agricultural developments are destroying the habitats of protected fruit bat species in Australia, and could lead to the spread of deadly viral diseases to humans and farm animals, medical experts heard today (Friday 11 January 2002) during a joint meeting of the European Societies of Clinical... view more (2001-12-21)
North Pole's ancient past holds lessons for future global warming
Detailed information on greenhouse gasses and a subtropical heat wave at the North Pole 55 million years ago is providing information about the Earth's past as well as a portent for its future, according to reports in the June 1 issue of Nature. view more (2006-06-01)
Climate variation in the tropical Pacific: coral provides proof
The Younger Dryas period, about 12 000 years ago, was marked by a sharp cooling event in the Northern Hemisphere. Temperatures there fell by between 2 and 10°C. The East Antarctic in contrast experienced an episode of warming. Data have up to now been insufficient or too inconclusive to enable... view more (2004-05-03)
Study sheds new light on dolphin coordination during predation
Spinner dolphins have long been known for their teamwork in capturing prey but a new study using high-tech acoustics has found that their synchronization is even more complex than scientists realized and likely evolved as a strategy to maximize their energy intake. view more (2008-10-21)
McGill researchers report breakthrough in rapid malaria detection
A research team led by Dr. Paul Wiseman of the Departments of Physics and Chemistry at McGill University has developed a radically new technique that uses lasers and non-linear optical effects to detect malaria infection in human blood, according to a study published in the Biophysical Journal. view more (2007-12-20)
Methane shock tilted the Ocean - Nature article of a marine scientist from Bremen
Up until now, scientists had to rely upon assumptions: at some point in time, on the boarder between the Paleocene and the Eocene 55 million years ago, the ocean lost its balalance. All of a sudden about 70% of all the foraminifera living on the seafloor became extinct. Just as suddenly, new, up... view more (1999-10-19)
Why piglets shudder to keep warm
Piglets are sensitive to cold and shiver to maintain their body heat. Researchers at Uppsala University have uncovered a genetic reason why these newborns are less tolerant of the cold than other newborn mammals. view more (2006-08-21)
Wildlife Conservation Society study finds seasonal seas save corals with 'tough love'
Finally, some good news about the prospects of coral reefs in the age of climate change. According to a new study by the Wildlife Conservation Society, corals may actually survive rising ocean temperatures in 'tough love' seas with wide-ranging temperatures. view more (2007-11-30)
Satellite technology allows scientists to track warm sharks in cold polar seas
Electronic tags broadcasting from the dorsal fins of salmon sharks reveal that these top predators migrate from the glacial waters of Alaska to the warm seas off Hawaii. view more (2005-10-07)
Climate changes locked inside microfossils
Fossilised remains of sea creatures are commonly found in rocks in the mountains of the Basque Country. So, at some time in the past, Euskal Herria was under the sea. For example, during the Palaeocene period, some 65-55 million years ago. The region was then subtropical, and similar in appearance... view more (2004-03-04)
Stratospheric ozone chemistry plays an important role for atmospheric airflow patterns
Interactions between the stratospheric ozone chemistry and atmospheric air flow lead to significant changes of airflow patterns from the ground up to the stratosphere. view more (2008-03-10)
Fossilized cashew nuts reveal Europe was important route between Africa and South America
Cashew nut fossils have been identified in 47-million year old lake sediment in Germany, revealing that the cashew genus Anacardium was once distributed in Europe, remote from its modern "native" distribution in Central and South America. view more (2007-10-18)
NASA study links Earth impacts to human-caused climate change
A new NASA-led study shows human-caused climate change has made an impact on a wide range of Earth's natural systems, including permafrost thawing, plants blooming earlier across Europe, and lakes declining in productivity in Africa. view more (2008-05-15)
Johns Hopkins scientists discover what drives the development of a fatal form of malaria
Platelets - those tiny, unassuming cells that cause blood to clot and scabs to form when you cut yourself - play an important early role in promoting cerebral malaria, an often lethal complication that occurs mostly in children. view more (2008-08-19)
Researchers link Ice Age climate-change records to ocean salinity
Sudden decreases in temperature over Greenland and tropical rainfall patterns during the last Ice Age have been linked for the first time to rapid changes in the salinity of the north Atlantic Ocean. view more (2006-10-05)
Deciphering Arctic climate puzzles - New findings from the Arctic Coring Expedition
An international team of scientists is currently evaluating sediment cores collected during the Arctic Coring Expedition, ACEX, conducted under the auspices of the Integrated Ocean Drilling Program (IODP). ACEX, conducted in August and September this year, is an exploration success story. At a... view more (2004-11-17)
New evidence on the role of climate in Neanderthal extinction
The mystery of what killed the Neanderthals has moved a step closer to resolution after an international study led by the University of Leeds has ruled out one of the competing theories - catastrophic climate change - as the most likely cause. view more (2007-09-13)
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