Oceans and Seas

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 …

Port activities polluting Kandla creek: NIO study

ANTHROPOGENIC activities at Kandla Port are contaminating water in its creek which could affect the marine sanctuary and the national park there, a study by the National Institute of Oceanography (NIO) has said.

A third of Mars was once covered by ocean: Study

Ahuge, potentially life-giving sea likely covered more than a third of Mars some 3.5 billion years ago, according to a study released on Sunday. Spread over an area the size of the Atlantic Ocean, it would have straddled the north pole and contained the equivalent of a tenth of the …

Granularity and textural analysis as a proxy for extreme wave events in southeast coast of India

Extreme wave events of 1000 and 1500 years (radiocarbon ages) have been recently reported in Mahabalipuram region, southeast coast of India. Subsequently, we carried out extensive sedimentological analysis in regions covering a total lateral coverage of 12 km with a new archeological site as the central portion of the study …

State of the climate 2009

The primary goal of the annual State of the Climate collection of articles is to document the weather and climate events in 2009 from around the world and put them into accurate historical perspective, with a particular focus on unusual or anomalous events. In total, 37 Essential Climate Variables were …

Robust warming of the global upper ocean

The upper ocean acts as a giant heat sink and has absorbed the majority of excess energy generated by anthropogenic greenhouse gasses. This makes ocean heat content, potentially, a key indicator of climate change. But to be useful for evaluating the global energy balance and as a constraint on climate …

The ocean is warming, isn't it?

The upper ocean acts as a giant heat sink and has absorbed the majority of excess energy generated by anthropogenic greenhouse gasses. This makes ocean heat content, potentially, a key indicator of climate change. But to be useful for evaluating the global energy balance and as a constraint on climate …

2010 is warmest yet in recorded history

global land and ocean surface temperatures for the period between January and April were the warmest on record, and April was the warmest individual month ever, America

Oceans' fish stocks could vanish by 2050

Ed Pilkington More than 20 million people employed in the fishing industry may need to be retrained for other work over the next 40 years if the final collapse of fish stocks in the world's oceans is to be avoided, the U.N. warned on Monday. The U.N.'s environment branch, UNEP, …

Long-term stability of global erosion rates and weathering during late-Cenozoic cooling

Reports that the geological record of erosion indicates a fourfold increase in global sedimentation rates during the past 5 million years merited a global explanation. Explanations offered include an increased rate of mountain formation and global cooling. Now Jane Willenbring and Friedhelm von Blanckenburg reanalyse original data sets and use …

Mountains without erosion

Increased erosion associated with the rise of the world's great mountain ranges has been held to be the cause of a prolonged episode of past climate cooling. That connection is now brought into doubt.

Deep secret uncovered: Ocean bugs can use Sun for energy

London: Scientists claim to have found the first direct evidence that bacteria in the ocean can harvest light energy from sunlight for survival, thanks to a unique photoprotein.

Microbes in our oceans weigh as much as 240bn elephants

Oslo: The ocean depths are home to myriad species of microbes, mostly hard to see but including spaghetti-like bacteria that form whitish mats the size of Greece on the floor of the Pacific, scientists said. The survey, part of a 10-year Census of Marine Life, turned up hosts of unknown …

Parts of oceans turning saltier, warming blamed

Washington: Global warming is making some parts of the oceans saltier, a new study claims. A research led by Australian scientists showed a clear link between salinity changes at the surface and changes in the deeper waters over the last six decades caused by the warming seen over the same …

Phosphate oxygen isotopic evidence for a temperate and biologically active Archaean ocean

It had been thought that ocean temperatures during the early Archaean (around 3.5 billion years ago) were between 55 and 85

News 360°-Brief

oil exploration Argentine veterans cry war As diplomatic tensions between the UK and Argentina escalate following oil drilling plan near the Falklands, Argentine war veterans have threatened to invade the South Atlantic archipelago controlled by the UK. A war vets’ association in Bruenos Aires demonstrated in front of the British …

Ships give way to camels as Aral turns dead sea

Nukus (Uzbekistan): The drying up of the Aral Sea is one of the planet

No climate paradox under the faint early Sun

It has been inferred that, during the Archaean eon, there must have been a high concentration of atmospheric CO2 and/or CH4, causing a greenhouse effect that would have compensated for the lower solar luminosity at the time and allowed liquid water to be stable in the hydrosphere. Here it is …

Climate change indicators in the United States

This report presents 24 indicators, each describing trends related to the causes and effects of climate change. The report focuses primarily on the United States, but in some cases global trends are presented to provide context or a basis for comparison. It aims to collect data and generate analyses to: …

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