General Awareness

ENVIRONMENT - October 2015

Oct 2015

Nov 06, 2015

Earth Heading for Decade-long Mini Ice Age

Scientists have warned that the earth could head for a mini ice age as a result of decreased solar activity.
Researchers have created a new model that predicts the solar cycles more accurately than ever before.
Predictions from the new model suggest that solar activity will fall by 60 per cent between 2030 and 2040.
The prediction is based on what’s known as the sun’s 11-year cycle or 'heartbeat.

2000-year Old Greek Fort Unearthed

Israeli archaeologists have found the remains of the ancient Greek fort of Acra.
Archaeologists believe they have found the precise location of the Acra, a fortified Hellenistic citadel erected in the heart of Jerusalem by the Seleucid conquerors, after they first destroyed the city in 168 BC.

Nov 05, 2015

West Antarctica Snow Accumulation

According to a new study, annual snow accumulation on West Antarctica’s coastal ice sheet increased dramatically during the 20th century. The last three decades saw more snow build up on the ice sheet than at any other time in the last 300 years.
The new study used ice cores to estimate annual snow accumulation from 1712 to 2010 along the coastal West Antarctic. Until 1899, annual snow accumulation remained steady, averaging 33 and 40 centimetres (13 and 16 inches) water, or melted snow, each year at two locations.

Nov 04, 2015

Arctic Ocean to Have Less Ice, more Water

A new study has projected that the entire Arctic coastline and most of the Arctic Ocean will experience an additional two months of open water each year by the 2050s.
The Arctic is warming and the sea ice is melting, with impacts on Arctic people and ecosystems.
By the end of this century, assuming a scenario of continued business-as-usual greenhouse gas emissions, the Arctic will be in a new regime with respect to open water, fully outside the realm of what we have seen in the past.

Nov 03, 2015

Dinosaur Fossil with Preserved Feathers and Skin Found

Researchers have discovered fossilised remains of an ostrich-like dinosaur with preserved tail feathers and soft tissue, a finding that throws more light on the linkages between dinosaurs and modern birds.
This is the first report of such preserved skin forming a web from the femoral shaft to the abdomen, never before seen in non-avian dinosaurs.

Nov 01, 2015

Some Ice Sheets in Greenland Slowing Their Movement

In the face of decades of increasing temperatures and surface melting, the movement of the southwest portion of the Greenland Ice Sheet that terminates on land has been slowing down.
The results were derived by tracking ice sheet movement through Landsat satellite images taken from 1985 to 2014 across a roughly 3,088-square-mile (8000-square-kilometer) region in southwest Greenland.

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