Indian Ocean

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

Warmer seas linked to strengthening hurricanes: FSU study fuels global warming debate

The theory that global warming may be contributing to stronger hurricanes in the Atlantic over the past 30 years is bolstered by a new study led by a Florida State University researcher. The study is published in the Sept. 4 edition of the journal Nature. Using global satellite data, FSU …

Protection Zones Not Helping Reefs, Study Finds

Conservation zones in the Indian Ocean set up to protect fish stocks are not preventing coral reefs from collapsing due to warmer temperatures or helping to speed their recovery, researchers reported on Wednesday. The reason is many of these non-fishing areas are located in warmer waters where coral reefs have …

Warming of the Indian Ocean threatens eastern and southern African food security

Analyses of in situ station data and satellite observations of precipitation of eastern and southern African nations viz., Ethiopia, Kenya, Burundi, Tanzania, Malawi, Zambia, Uganda and Zimbabwe is carried out by Chris Funk et al . The study reveals that the warming in the central Indian Ocean disrupts onshore moisture …

Cong, Left tap Karunanidhi to end N-standoff

Caught between the tough lines they have pursued on the nuclear deal, both Congress and Left have now turned to allies to mediate to save the coalition from a seemingly irreconciliable situation. A day after DMK boss and Tamil Nadu chief minister M Karunanidhi warned that BJP could return to …

Winds of Change

Cyclone Nargis may have done more than just wreck Burma's cities. It may also spell doom for the government. The massive storm that hit Burma on May 2 could not have come at a worse time for the generals who rule the country. As Cyclone Nargis raged toward them across …

A mosquito goes global

The Asian tiger mosquito is on a rampage. Entomologists are impressed, public health officials are nervous, and many of the rest of us are swatting furiously. How did Aedes albopictus become such a scourge?

Sun block lotions threaten corals

sunscreens almost always figure in a swimmer's paraphernalia. While it protects the skin from ultraviolet rays of the sun, it also causes considerable damage to marine life. If the idea appears far-fetched, consider this: a recent study has found that chemicals in sunscreen products threaten about 10 per cent of …

Asian disasters

Dec 26 2004 TSUNAMI At least 230,000 people are killed and 43,000 are missing after a tsunami sparked by a magnitude 9.15 earthquake smashes into 13 Indian Ocean countries. More than half the victims are Indonesians, with Sri Lanka and India next worst hit. March 2005 INDONESIA Nearly 1,000 people …

Expanding oxygen-minimum zones in the tropical oceans

Oxygen-poor waters occupy large volumes of the intermediate-depth eastern tropical oceans. Oxygen-poor conditions have far-reaching impacts on ecosystems because important mobile microorganisms avoid or cannot survive in hypoxic zones. Climate models predict declines in oceanic dissolved oxygen produced by global warming. The researchers constructed a 50-year time series of dissolved-oxygen …

Lankans to participate in earthquake parley via Net

The US National Earthquake Conference will be held in Seattle from April 22 - 26. Earthquake experts from around the nation will convene to discuss the latest research on earthquakes and the generation of tsunamis. The conference will also focus on tsunami hazards, offering attendees and the media an opportunity …

Global and regional climate changes due to black carbon

Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. The …

Global and regional climate changes due to black carbon

Abstract Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. …

The bluefin in peril

The only way to save the bluefin tuna, one of the most marvelous and endangered fish in the ocean, may be to domesticate the species. March 2008

Human shadows on worlds oceans

Scientists Are Building First Worldwide Portrait Of Human Impact That Has Left Just 4% Of The Seas Pristine In 1980, after college, I joined the crew of a sailboat partway through a circumnavigation of the globe. Becalmed and roasting one day during a 21-day crossing of the western Indian Ocean, …

Resolving an atmospheric enigma

In 1971, meteorologists Roland Madden and Paul Julian studied weather data from near equatorial Pacific islands. To their surprise, tropospheric winds, pressure and rainfall oscillated with a period of about 40 to 50 days. The oscillation in clouds and precipitation trends to be confined to the tropical Indian and Pacific …

A Madden-Julian Oscillation event realistically simulated by a global cloud-resolving model

A Madden-Julian Oscillation (MJO) is a massive weather event consisting of deep convection coupled with atmospheric circulation, moving slowly eastward over the Indian and Pacific Oceans. Despite its enormous influence on many weather and climate systems worldwide, it has proven very difficult to simulate an MJO because of assumptions about …

Indian scientists return with rare plant samples from Arctic

India sent its first team to the Arctic recently. Two of its members have returned with a variety of samples, some dating back to millions of years. ARCHITA BHATTA spoke with them "We found round worms wriggling at 300-1,000 feet below sea-level. The temperature there was around 1.5-1.8

What ails India`s wind pattern study?

cyclone Gonu has showed up the chinks in India's wind pattern research. The cyclone lashed Oman on June 4, 2007, and delayed monsoon in India by a week. Indian scientists, including the India Meteorological Department (imd), failed to predict the wind disturbance on the Persian Gulf and its effect on …

Are sea-level-rise trends along the coasts of the north Indian Ocean consistent ?

Mean-sea-level data from coastal tide gauges in the north Indian Ocean were used to show that low-frequency variability is consistent among the stations in the basin. Statistically significant trends obtained from records longer than 40 years yielded sea-level-rise estimates between 1.06

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