搜索结果: 1-15 共查到“理学 oceans”相关记录102条 . 查询时间(0.157 秒)
中国科学院广州地球化学研究所张欢等-JGR: Oceans：南海“海马”冷泉区自生锰微结核的矿物学特征及其对冷泉系统锰地球化学的指示（图）
张欢 南海 海马 锰微结核 矿物学特征 冷泉系统 锰地球化学
2023/8/3
海底冷泉（Cold Seeps）是一种来自海底沉积界面以下，以水、甲烷或其他碳氢化合物为主要组分的低温流体，是海洋物质和元素循环的重要途径。冷泉逸出的甲烷90%以上由硫酸盐还原和甲烷缺氧氧化（Anaerobic Oxidation of Methane, AOM）作用消耗。一般认为，SO42-是AOM的主要电子受体。但有研究提出，锰（Mn）有可能参与了AOM，并为化能微生物提供高于SO42-的能量...
When glacial ice sheets melt, something counterintuitive happens to sea levels. Logic might suggest that nearby levels would rise, but instead they fall.
New analysis highlights importance of groundwater discharge into oceans（图）
importance groundwater discharge into oceans
2021/1/28
An invisible flow of groundwater seeps into the ocean along coastlines all over the world. Scientists have tended to disregard its contributions to ocean chemistry, focusing on the far greater volumes...
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...
As humans continue to send large quantities of carbon into the atmosphere, much of that carbon is absorbed by the oceans. Now researchers from the University of Connecticut and other institu...
The most common organism in the oceans harbors a virus in its DNA（图）
organism oceans harbors virus DNA
2020/6/5
The most common organism in the oceans, and possibly on the entire planet, is a family of single-celled marine bacteria called SAR11. These drifting organisms look like tiny jelly beans and have evolv...
Algae-killing viruses spur nutrient recycling in oceans（图）
Algae-killing viruses nutrient recycling oceans
2019/10/23
Scientists have confirmed that viruses can kill marine algae called diatoms, but diatom die-offs near the ocean surface may provide nutrients and organic matter for recycling by other algae.Diatoms ar...
中国地质大学科学技术发展院宋海军地学院 Nature Communications, Published online:30 August 2017. The onset of widespread marine red beds and the evolution of ferruginous oceans（图）
地质；历史时期；海相红层；时空分布；规律；形成机制
2021/10/21
近日，中国地质大学地球科学学院和生物地质与环境地质国家重点实验室宋海军教授团队在自然子刊《Nature Communications》上发表题为“The onset of widespread marine red beds and the evolution of ferruginous oceans”的学术论文，阐述了地质历史时期海相红层的时空分布规律和形成机制，揭示了38亿年以来海洋铁含量的...
Marine Reserves a Solution to Bycatch Problem in Oceans（图）
Marine Reserves Bycatch Problem Oceans
2017/9/4
Commercial fishermen may be able to catch more of the profitable fish they want with marine reserves than without them, according to a study in the journal PNAS led by the University of California, Da...
International Workshop on Tropical-subtropical Weather,Climate and Oceans
International Workshop Tropical-subtropical Weather, Climate and Oceans
2017/7/18
The Sun Yat-sen University, the CAS South China Sea Institute of Oceanology and the CMA Guangdong Meteorological Service will organize an international conference (International Workshop on Tropical-s...
World Oceans Day:How do snook survive cold spells in Everglades waters?By heading for the depths
World Oceans Day snook survive cold spells Everglades waters heading for the depths
2017/7/21
Find related stories on NSF's Environmental Research and Education (ERE) Programs at this link. Find related stories on NSF's Long-Term Ecological Research Program at this link.When a cold s...
World Oceans Day:Marine diseases hidden beneath the waves incur high economic,ecological costs
World Oceans Day Marine diseases hidden high economic ecological costs
2017/7/21
Find related stories on the NSF, National Institutes of Health and U.S. Department of Agriculture's Ecology and Evolution of Infectious Diseases (EEID) program
It's World Oceans Day this week, b...
The OCEANS conference is the flagship event of the IEEE Oceanic Engineering Society (OES) and the Marine Technology Society (MTS). It features all aspects of oceanic engineering, science and technolog...
Decades of Data on World’s Oceans Reveal a Troubling Oxygen Decline
Decades of Data World’s Oceans Oxygen Decline
2017/7/19
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for mor...
Mollusk graveyards are time machines to oceans' pristine past
Mollusk graveyards time machines oceans pristine past
2017/3/14
A Florida Museum of Natural History study shows that mollusk fossils provide a reliable measure of human-driven changes in marine ecosystems and shifts in ocean biodiversity.Collecting data from ...