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 …

Tsunami watch in Indian Ocean after massive Indonesia quake

A tsunami watch was issued for countries across the Indian Ocean on Wednesday after a large earthquake hit waters off Indonesia, sending residents pouring from their homes in panic. Tremors were felt in several cities in India where a tsunami warning has been issued for the Andaman and Nicobar Islands. …

Huge quake strikes off Indonesia, tsunami warning issued

An 8.7 magnitude earthquake struck off the coast of Indonesia on Wednesday, sending residents around the region dashing out of their homes and offices in fear. A tsunami watch was issued for the whole Indian Ocean. The quake struck 308 miles (500 km) southwest of the city of Banda Aceh, …

New model predicts normal monsoon this yr: Contradicts Jamstec Forecast Of Below-Normal Rains

New Delhi: It’s early days yet, but the first indications from within the country about this year’s monsoon are positive. A new climate model being developed under the government’s ambitious Monsoon Mission project has predicted above average rainfall for the season. The model, still being refined, is based on modern …

To fish or not to fish: Factors at multiple scales affecting artisanal fishers' readiness to exit a declining fishery

Globally, fisheries are challenged by the combined impacts of overfishing, degradation of ecosystems and impacts of climate change, while fisheries livelihoods are further pressured by conservation policy imperatives. Fishers' adaptive responses to these pressures, such as exiting from a fishery to pursue alternative livelihoods, determine their own vulnerability, as well …

Climate teleconnections and recent patterns of human and animal disease outbreaks

Recent clusters of outbreaks of mosquito-borne diseases (Rift Valley fever and chikungunya) in Africa and parts of the Indian Ocean islands illustrate how interannual climate variability influences the changing risk patterns of disease outbreaks. Although Rift Valley fever outbreaks have been known to follow periods of above-normal rainfall, the timing …

New earthworm species discovered in Port Blair

Pointing to the rich biodiversity of the Andaman and Nicobar islands, a team of researchers from the city has identified a new species of earthworm. Jaya Manazhy and Aja Manazhy, senior research scholars in the Department of Zoology, Mar Ivanios College, under the guidance of K. Vijayakumaran Nair, identified the …

7.3 magnitude quake strikes off western Indonesia: USGS

An earthquake with a magnitude of 7.3 struck off the west coast of Indonesia's Northern Sumatra on Wednesday, the US Geological Survey reported, but there were no immediate reports of casualties. A tsunami warning was issued by the Pacific Tsunami Warning Center, and Indonesia also issued a tsunami warning but …

Forcing of wet phases in southeast Africa over the past 17,000 years

Intense debate persists about the climatic mechanisms governing hydrologic changes in tropical and subtropical southeast Africa since the Last Glacial Maximum, about 20,000 years ago. In particular, the relative importance of atmospheric and oceanic processes is not firmly established. Southward shifts of the intertropical convergence zone (ITCZ) driven by high-latitude …

Unravelled: The mystery behind ‘death of corals worldwide'

Australian scientists claim to have finally unravelled the mystery behind the mass death of corals worldwide as the Earth’s climate warms — upon sea water warming, corals send a signal to their infected cells to commit “suicide”, allowing the safe cells to recover quickly. A team from the ARC Centre …

China signs contract for Indian Ocean mining rights

China on Friday signed a long-expected contract, which has drawn much attention in Indian strategic circles, under which the China Ocean Mineral Resources Research and Development Association (COMRA) will get exclusive rights to explore 10,000 square-km of seabed in the southwest Indian Ocean in an area off the coast of …

Aerosol-cloud-climate interaction: a case study from the Indian Ocean

This document contains the presentation by Sagnik Dey, Centre for Atmospheric Sciences, Indian Institute of Technology Delhi on “Aerosol-Cloud-Climate Interaction: A Case Study from the Indian Ocean” during Second National Research Conference on Climate Change, organized by the Centre for Science and Environment, IIT Delhi and IIT Madras on November …

Quakes killed 780,000 in past decade: study

Earthquakes claimed more than 780,000 lives in the past decade, accounting for nearly 60 per cent of all disaster-related deaths, according to a study published in The Lancet on Friday. ‘In addition to these deaths, earthquakes have directly affected another two billion people in this period,’ it added. The deadliest …

Arabian Sea tropical cyclones intensified by emissions of black carbon and other aerosols

Throughout the year, average sea surface temperatures in the Arabian Sea are warm enough to support the development of tropical cyclones1, but the atmospheric monsoon circulation and associated strong vertical wind shear limits cyclone development and intensification, only permitting a pre-monsoon and post-monsoon period for cyclogenesis. Thus a recent increase …

INCOIS develops model for oil spill trajectory forecast

To ensure speedy and effective response in the event of an oil spill, city-based Indian National Centre for Ocean Information Services (INCOIS) intends to put in place an experimental ocean oil spill trajectory prediction system by 2012-13. “We have developed a model for the oil spill trajectory forecast, based on …

Mock tsunami drill held in six coastal dists

The Odisha State Disaster Management Authority (OSDMA) on Wednesday organised mock tsunami drills at cyclone shelters of six coastal districts. This exercise was held as a part of the drill scheduled to be held simultaneously in 20 Indian Ocean nations, including India. The exercise aimed at testing the Indian Ocean …

Mock tsunami drill today

A mock-drill of the tsunami that struck on December 26, 2004, triggered by a 9.2 magnitude earthquake off the Sumatra coast of Indonesia, will be re-enacted tomorrow. The idea is to test the Indian Ocean Tsunami Warning and Mitigation System (IOTWS). Codenamed ‘Exercise IOWAVE 11', the drill will see India …

Critical thresholds and tangible targets for ecosystem-based management of coral reef fisheries

Sustainably managing ecosystems is challenging, especially for complex systems such as coral reefs. This study develops critical reference points for sustainable management by using a large empirical dataset on the coral reefs of the western Indian Ocean to investigate associations between levels of target fish biomass (as an indicator of …

Critical thresholds and tangible targets for ecosystem-based management of coral reef fisheries

Sustainably managing ecosystems is challenging, especially for complex systems such as coral reefs. This study develops critical reference points for sustainable management by using a large empirical dataset on the coral reefs of the western Indian Ocean to investigate associations between levels of target fish biomass (as an indicator of …

Tsunami alert system to be tested on 12th

Over two dozen countries, including Pakistan, will take part next week in a full-scale test of the Indian Ocean`s tsunami alert system, using the 2004 Sumatra quake as the basis for the exercise, Unesco said on Thursday. Exercise IOWAVE 11 will re-enact the seismic events of Dec 26, 2004, simulating …

Myanmar Dam Suspension Tests Vital China Ties

The surprise decision by Myanmar's new civilian government to suspend a controversial, Chinese-backed dam is straining relations between the erstwhile allies, but neither is likely to risk lasting damage. China is pressing for an "appropriate solution" to the shelving of the $3.6 billion Myitsone dam, a moved hailed by its …

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