资讯

MercoPress12 年
Research shows Antarctica at one time had mild weather and palms and conifers
Analyses of pollen and spores and the remains of tiny creatures have given a climatic picture of the early Eocene period, about 53 million years ago. The study in Nature suggests Antarctic winter ...
来自MSN7 个月
When was the last time Antarctica was ice-free?
Antarctica, which is nearly four times the ... By 34 million years ago — a time period known as the Eocene-Oligocene boundary — the climate was 14.4 F (8 C) warmer than it is today.
National Geographic news2 年
What the World Would Look Like if All the Ice Melted
The warmer atmosphere holds more water vapor, which falls as snow on East Antarctica. But even this behemoth is unlikely to survive a return to an Eocene Climate. West Antarctica: Like the ...
StudyFinds on MSN2 个月
An Antarctic mega-iceberg is drifting—How ancient ice history sheds light on its journey
UTRECHT, Netherlands — Some experts fear a massive drifting iceberg known as A23a is currently on a collision course with ...
EurekAlert!2 个月
Position of South Orkney during the late Eocene (IMAGE)
The red star indicates the position of South Orkney during the late Eocene (37 million years ago). The blue regions indicate where Antarctica may have had land ice at the time. The grey and light ...