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 …

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 …

Herd size dynamics and observations on the natural history of Dugongs (Dugong dugon) in the Andaman Islands, India

In the last four decades, dugong (Dugong dugon) aggregations have been rarely reported from the geographically isolated, vast seascape of the Andaman Islands, India. The Indian Ocean tsunami of 2004, hunting, coastal development, and habitat loss are the major causes of this change in the social system of dugongs in …

The conservation status of marine biodiversity of the Western Indian Ocean

The Western Indian Ocean is comprised of productive and highly diverse marine ecosystems that are rich sources of food security, livelihoods, and natural wonder. The ecological services that species provide are vital to the productivity of these ecosystems and healthy biodiversity is essential for the continued support of economies and …

Scientists track Indian Ocean's 'missing' plastic waste

Indian Oceans missing plastic waste found out by the scientists. Indian Ocean is the world's biggest dumping ground for plastic waste, but where the trash ultimately ends up has remained a mystery, scientists say.According to researchers from the University of Western Australia (UWA), little research had been done to measure …

Africa Must Act Against the Ballooning Indian Ocean Plastic Patch

The Western Indian Ocean, comprising nine African countries and Réunion (an island under France), has a 10 000 km stretch of coastline with crystal clear waters and rich coral reefs. But these marine and wildlife ecosystems, which are interdependent with the health, food security and national economies of over 200 …

Assessing, quantifying and valuing the ecosystem services of coastal lagoons

The natural conservation of coastal lagoons is important not only for their ecological importance, but also because of the valuable ecosystem services they provide for human welfare and wellbeing. Coastal lagoons are shallow semi-enclosed systems that support important habitats such as wetlands, mangroves, salt-marshes and seagrass meadows, as well as …

Future precipitation projections over Central and Southern Africa and the adjacent Indian Ocean: What causes the changes and the uncertainty?

Future projections of precipitation at regional scales are vital to inform climate change adaptation activities. Therefore, is it important to quantify projected changes and associated uncertainty, and understand model processes responsible. This paper addresses these challenges for southern Africa and the adjacent Indian Ocean focusing on the local wet season. …

A global slowdown of tropical-cyclone translation speed

As the Earth’s atmosphere warms, the atmospheric circulation changes. These changes vary by region and time of year, but there is evidence that anthropogenic warming causes a general weakening of summertime tropical circulation. Because tropical cyclones are carried along within their ambient environmental wind, there is a plausible a priori …

Decadal surface temperature trends in India based on a new high-resolution data set

A new comprehensive surface temperature data set for India is used to document changes in Indian temperature over seven decades, in order to examine the patterns and possible effects of global warming. The data set is subdivided into pre-monsoon, monsoon, and post-monsoon categories in order to study the temperature patterns …

Stabilised frequency of extreme positive Indian Ocean Dipole under 1.5 °C warming

Extreme positive Indian Ocean Dipole (pIOD) affects weather, agriculture, ecosystems, and public health worldwide, particularly when exacerbated by an extreme El Niño. The Paris Agreement aims to limit warming below 2 °C and ideally below 1.5 °C in global mean temperature (GMT), but how extreme pIOD will respond to this …

Long‐term climate simulations using the IITM Earth System Model (IITM‐ESMv2) with focus on the South Asian monsoon

This study details the capabilities of the IITM Earth System Model version 2 (IITM‐ESMv2), developed at the Indian Institute of Tropical Meteorology, Pune, India, for investigating long‐term climate variability and change with special focus on the South Asian monsoon. Original Source

A new coupled ocean‐waves‐atmosphere model designed for tropical storm studies: Example of tropical cyclone Bejisa (2013–2014) in the south‐west Indian Ocean

Ocean‐Waves‐Atmosphere (OWA) exchanges are not well represented in current Numerical Weather Prediction (NWP) systems, which can lead to large uncertainties in tropical cyclone track and intensity forecasts. In order to explore and better understand the impact of OWA interactions on tropical cyclone modeling, a fully coupled OWA system based on …

Climate finance for the Indian Ocean and African small island developing states

This paper analyses flows of climate finance to Cape Verde, the Comoros, Guinea-Bissau, the Maldives, Mauritius, São Tomé and Príncipe, and the Seychelles. This report highlights important trends in the allocation of climate finance across the region. Complementary analysis to evaluate the actual outcomes of climate finance for communities in …

Increasing frequency of extremely severe cyclonic storms over the Arabian Sea

In 2014 and 2015, post-monsoon extremely severe cyclonic storms (ESCS)—defined by the WMO as tropical storms with lifetime maximum winds greater than 46 m s−1—were first observed over the Arabian Sea (ARB), causing widespread damage. However, it is unknown to what extent this abrupt increase in post-monsoon ESCSs can be …

Global sea turtle conservation successes

We document a tendency for published estimates of population size in sea turtles to be increasing rather than decreasing across the globe. To examine the population status of the seven species of sea turtle globally, we obtained 299 time series of annual nesting abundance with a total of 4417 annual …

A revival of Indian summer monsoon rainfall since 2002

A significant reduction in summer monsoon rainfall has been observed in northern central India during the second half of the twentieth century, threatening water security and causing widespread socio-economic impacts. Here, using various observational data sets, we show that monsoon rainfall has increased in India at 1.34 mm d−1 decade−1 …

Understanding extreme sea levels for broad-scale coastal impact and adaptation analysis

Extreme events currently expected to happen on average once every 100 years could, in vulnerable coastlines around the world, occur every decade or even every year by 2050 warns this new study published in the journal “Nature Communications” One of the main consequences of mean sea level rise (SLR) on …

Extreme temperatures in Southeast Asia caused by El Niño and worsened by global warming

In April 2016, southeast Asia experienced surface air temperatures (SATs) that surpassed national records, exacerbated energy consumption, disrupted agriculture and caused severe human discomfort. Here we show using observations and an ensemble of global warming simulations the combined impact of the El Niño/Southern Oscillation (ENSO) phenomenon and long-term warming on …

India working on energy relationship with neigbours to leverage India’s position

Away from the arc lights that accompany China's OBOR project, India has been quietly working on creating connectivity grids in its neighborhood and moving beyond physical connectivity to energy as a tool of connectivity. From Indonesia to Mauritius, India is working on a web of energy relationships that seeks to …

Indian Ocean is warming faster than others, says NCAOR

PANAJI: Indian Ocean is warming and it is warming faster than all other oceans as it is hemmed in by the Asian land mass. "We are more worried, because the Indian ocean is warming much faster than other oceans. That is one of the questions that we ask, why is …

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