Visit Indian Travel Sites
Goa,
Kerala,
Tamil Nadu,
Andhra Pradesh,
Delhi,
Rajasthan,
Uttar Pradesh,
Himachal Pradesh,
Assam,
Sikkim,
Madhya Pradesh,
Jammu & Kashmir
Karnataka
|
Global warming increasing flood risk in mountain areas | In a new research, a team of scientists has determined that global warming is increasing the risk of flood in mountain areas. The world's mountainous regions
are home to about 800 million people and the source of some of the world's major
rivers. In these regions, runoff is strongly affected by temperature. This suggests
that flooding could be quite sensitive to global warming, but there has been some
lack of scientific consensus on the effects of temperature variations on floods.
Now, research by P. Allamano and colleagues from the Dipartimento di Idraulica,
Trasporti ed Infrastrutture Civili, Politecnico di Torino, Italy, have shown that
global warming does increase flood risk significantly. The researchers analyzed
runoff data recorded by 27 stations in the Swiss Alps and used a simple probabilistic
model to study how flood risk varies with temperature, precipitation, and elevation
in mountainous regions. They found that large floods have occurred more frequently
in recent years than in the past, and they predicted that global warming will
result in such floods occurring even more often in the future. In particular,
they found that if global temperatures increase by 2 degrees Celsius (3.6 degrees
Fahrenheit), then large floods that occurred about once every 100 years could
occur up to 5 times more often.
January 25, 2010 |
|
|
|
|
|