搜索结果: 1-15 共查到“国际动态 理学 North”相关记录24条 . 查询时间(0.195 秒)
Warm oceans helped first human migration from Asia to North America（图）
Warm oceans first human migration Asia to North America
2020/12/31
New research reveals significant changes in the circulation of the North Pacific Ocean and their impact on the initial migration of humans from Asia to North America.The U.S. National Science Fou...
Climate patterns linked in Amazon, North and South America（图）
Climate patterns Amazon North South America
2020/10/16
Researchers at the University of Arkansas have established a link between climate patterns in the Amazon and large parts of North and South America using a newly developed tree-ring chronolo...
Co-occurring contaminants may increase North Carolina groundwater risks（图）
Co-occurring contaminants North Carolina groundwater risks
2020/4/3
Contaminants that occur together naturally in groundwater under certain geological conditions may heighten health risks for millions of North Carolinians whose drinking water comes from private wells,...
North Atlantic haddock use magnetic compass to guide them（图）
North Atlantic haddock magnetic compass guide
2019/10/18
A new study has found that the larvae of haddock, a commercially important type of cod, have a magnetic compass to find their way at sea. Haddock larvae orient toward the northwest using Earth's magne...
North Carolina coastal flooding is worsening with climate change, population growth（图）
North Carolina coastal flooding worsening climate change population growth
2019/10/22
A historic 120-year-old data set is allowing researchers to confirm what data modeling systems have been predicting: climate change is increasing precipitation events like hurricanes, tropical storms ...
Scientists find no direct link between North Atlantic Ocean currents, New England coast sea level（图）
Scientists North Atlantic Ocean currents New England coast sea level
2019/10/28
A new study by NSF-funded scientists at the Woods Hole Oceanographic Institution clarifies the influence of major currents in the North Atlantic Ocean on sea level along the coast of the northeastern ...
Fishing communities from Maine to North Carolina may need to change catch species（图）
Fishing communities Maine North Carolina catch species
2019/10/28
Most fishing communities from Maine to North Carolina are projected to face declining fishing options unless they adapt to climate change by catching different species or fishing in different areas, a...
Dust in the wind:North Pacific Ocean fertilized by iron in Asian dust（图）
Dust wind North Pacific Ocean fertilized iron Asian dust
2019/10/28
Vast subtropical gyres -- large systems of rotating currents in the middle of the oceans -- cover 40% of the Earth. The gyres have long been considered biological deserts, with waters that contain ver...
Shipwrecks off North Carolina coast harbor tropical migrants（图）
Shipwrecks off North Carolina coast harbor tropical migrants
2019/10/30
Tropical and subtropical fish are taking up residence on shipwrecks and other sunken structures off the North Carolina coast. This pattern may continue or even accelerate in coming years given predict...
Winter Road Salt,Fertilizers Turning North American Waterways Increasingly Saltier（图）
Winter Road Salt Fertilizers Turning North American Waterways Increasingly Saltier
2018/1/10
Across North America, streams and rivers are becoming saltier, thanks to road deicers, fertilizers and other salty compounds that humans indirectly release into waterways. At the same time, freshwater...
FSU researcher makes deep-sea coral reef discovery in depths of North Pacific
FSU researcher deep-sea coral reef depths of North Pacific
2017/7/25
Scientists have long believed that the waters of the Central and Northeast Pacific Ocean were inhospitable to deep-sea scleractinian coral, but a Florida State University professor’s discovery of an o...
North America's freshwater lakes are getting saltier
North America freshwater lakes getting saltier
2017/4/27
North America's freshwater lakes are getting saltier due to development and exposure to road salt. A study of 371 lakes published today in the Proceedings of the National Academy of Sciences reports t...
Why Lyme disease is common in the north,rare in the south
Lyme disease common the north rare the south
2017/2/16
The ticks that transmit Lyme disease to people die of dehydration when exposed to a combination of high temperature and lowered humidity, a new USGS-led study has found. In an earlier related study, t...
Well-preserved fossils show ostrich relatives lived in North America 50 million years ago
fossils ostrich relatives North America 50 million years ago
2016/7/15
Exceedingly well-preserved bird fossil specimens dating 50 million years represent a new species that is a previously unknown relative of the modern-day ostrich, according to a new paper co-authored b...
Scientists have discovered the first-ever fossil evidence of monkeys from the North American landmass: a 21-million-year-old specimen that changes our understanding of the biological history of the co...