搜索结果: 1-7 共查到“海洋科学 6.5 million years”相关记录7条 . 查询时间(0.031 秒)
Geoscientists reconstruct 6.5 million years of sea level in the Western Mediterranean（图）
Geoscientists reconstruct 6.5 million years sea level Western Mediterranean
2021/2/5
The pressing concern posed by rising sea levels has created a need for scientists to predict how quickly the oceans will rise in coming centuries, researchers say. To gain insight into future ice shee...
Deep sea microbes dormant for 100 million years are hungry and ready to multiply（图）
Deep sea microbes dormant 100 million years hungry ready to multiply
2020/7/31
For decades, scientists have gathered ancient sediment samples from below the seafloor to better understand past climates, plate tectonics and the deep marine ecosystem. In a new study published in...
Mass extinction of land and sea biodiversity 250 million years ago not simultaneous（图）
Mass extinction land sea biodiversity 250 million years ago simultaneous
2019/12/13
Some 250 million years ago, simultaneous mass extinctions of marine and terrestrial life occurred in an event known as the End-Permian. Or so scientists believed.New research led by Colby College geol...
Crabs, lobsters and shrimp now have a family tree dating 500 million years（图）
Crabs lobsters shrimp family tree dating 500 million years
2019/10/30
Researchers have for the first time traced the roots of crabs, lobsters and shrimp to create the family tree of crustaceans people love to eat.The tree shows the 450-million-year evolution of these 10...
Tectonic collision 50 million years ago led to widespread ocean changes（图）
Tectonic collision 50 million years ago widespread ocean changes
2019/11/22
When the landmass that today is the Indian subcontinent slammed into Asia some 50 million years ago, the collision changed the configuration of the continents and altered global climate.Now a team of ...
Biotic Response to Global Change: The Last 145 Million Years
145 Million Years Global Change
2015/7/31
This volume has its origins in a joint research program between the Natural History Museum, London and University College, London on Global Change and the Biosphere. The authors are mainly paleontolog...
Oceans may be acidifying faster today than in the past 300 million years
Oceans 300 million years
2014/9/12
With increasing levels of carbon dioxide accumulating in the atmosphere and moving into marine ecosystems, the world's oceans are becoming more acidic.