搜索结果: 1-15 共查到“理学 migration”相关记录99条 . 查询时间(0.093 秒)
Climate conditions during the migration of Homo sapiens out of Africa reconstructed
climate condition Africa dry-humid climate
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2021/8/4
An international research team led by Professor Dr Frank Schäbitz has published a climate reconstruction of the last 200,000 years for Ethiopia. This means that high-resolution data are now avail...
Warm oceans helped first human migration from Asia to North America（图）
Warm oceans first human migration Asia to North America
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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...
中国地质大学科学技术发展院刘小康（博士生），宋海军*等，地学院/BGEG国家重点实验室. Earth-Science Reviews (2020), Migration controls extinction and survival patterns of foraminifers during the Permian-Triassic crisis in South China（图）
孔虫；灭绝事件；深水迁移；幸存策略；海洋生物；重大环境；线索
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2021/10/15
近日，中国地质大学地学院和生环国重2020级博士生刘小康为第一作者的研究论文“Migration controls extinction and survival patterns of foraminifers during the Permian-Triassic crisis in South China”在国际著名地学期刊《Earth-Science Reviews》上发表，通讯作者为宋海...
For rufous hummingbirds, migration routes may differ（图）
rufous hummingbirds migration routes
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2020/7/31
Plucky, beautiful, and declining in numbers at about 2% annually, rufous hummingbirds make their long annual migrations in different timing and route patterns based on age and sex, new U.S. Natio...
Driven by Earth's orbit, climate changes in Africa may have aided human migration（图）
Driven by Earth's orbit climate changes Africa may aided human migration
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2020/2/20
In 1961, John Kutzbach, then a recent college graduate, was stationed in France as an aviation weather forecaster for the U.S. Air Force. There, he found himself exploring the storied caves of Dordogn...
New insights into genetic basis of bird migration（图）
New insights genetic basis bird migration
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2019/10/18
A gene associated with the migratory patterns of golden-winged and blue-winged warblers could lend insight into the longstanding question of how birds migrate across long distances.A new study led by ...
Barrier-island migration drives large-scale marsh loss（图）
Barrier-island migration drives large-scale marsh loss
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2017/2/16
If you’ve visited the Outer Banks or other barrier islands, you’ve likely experienced their split personalities—places where high waves can pound the sandy ocean shore while herons stalk placid saltma...
Arctic sea ice loss impacts beluga whale migration
Arctic sea ice loss beluga whale migration
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2017/2/15
The annual migration of some beluga whales in Alaska is altered by sea ice changes in the Arctic, while other belugas do not appear to be affected.A new study led by the University of Washin...
Seasonality of bird migration responds to environmental cues,scientists show
Seasonality bird migration environmental cues scientists
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2016/9/12
The seasonality of bird migration is shifting in response to climate change. As a result, birds in the United States are arriving at their northern breeding grounds earlier in spring -- and may be dep...
Scientists track nighttime bird migration using weather radar
Scientists nighttime bird migration weather radar
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2016/2/23
Using recently developed techniques for analyzing Doppler weather radar data, researchers looked at the impediments -- crosswinds and oceans -- facing nighttime-migrating birds in eastern North Americ...
PLANETESIMALS IN THE PRESENCE OF GIANT PLANET MIGRATION
Accretion accretion disks methods:n-body simulations planetary systems planets and satellites general
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2015/12/25
We present N-body simulations illustrating how giant planet migration can significantly affect the conditions for the formation of interior terrestrial planets. A giant planet migrating through aswarm...
Ocean Heat Content Reveals Secrets of Fish Migration Behaviors
research ocean heat migration
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2015/11/12
Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science developed a new method to estimate fish movements using ocean heat content images, a dataset commonly us...
The Value of Climate Amenities: Evidence from U.S. Migration Decisions
U.S. Migration Decisions Amenities
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2015/9/18
We would like to thank the U.S. Environmental Protection Agency, Resources for the Future, and
RTI International for funding and Wolfram Schlenker for generously providing data from the Hadley
III m...
Femmes et migration en Côte d’Ivoire : le mythe de l’autonomie
de l’autonomie Cô te d’Ivoire
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2015/7/21
En Côte d’ivoire, comme dans d’autres pays africains les migrations traditionnellement dominéespar les hommes se féminisent progressivement. Les résultats de l’Enquête Ivoirienne sur les Migratio...
OU Students Use Nation’s Weather Radar Network to Track Bird Migration at Night
OU Students Nation’s Weather Radar Network Track Bird Migration at Night
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2015/7/13
Using the nation’s weather radar network, two University of Oklahoma doctoral students have developed a technique for forecasting something other than the weather: the orientation behavior of birds as...