GEODYNAMO

作品数:10被引量:8H指数:2
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相关领域:天文地球更多>>
相关机构:上海交通大学更多>>
相关期刊:《Geoscience Frontiers》《Acta Geochimica》《Earth and Planetary Physics》《Journal of Earth Science》更多>>
相关基金:国家自然科学基金美国国家科学基金更多>>
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Preface to the Special Issue of Initial Scientific Results of MSS-1
《Earth and Planetary Physics》2025年第3期475-478,共4页Keke Zhang PengFei Liu YongXin Pan 
supported by the National Natural Science Foundation of China(42250101);the Macao Foundation and China National Space Administration。
The scientific research of geomagnetism has been largely driven by new geomagnetic data that are available to scientists.Macao Science Satellite-1(MSS-1)was successfully launched on 21st May 2023 into a near-circular ...
关键词:GEOMAGNETISM GEODYNAMO MAGNETOMETERS Macao Science Satellite-1 
The effect of model errors in ensemble sequential assimilation of geomagnetic field
《Earth and Planetary Physics》2023年第1期22-31,共10页JinFeng Li YuFeng Lin KeKe Zhang 
supported by the Macao Foundation and preresearch project on Civil Aerospace Technologies of CNSA(D020308,D020303);the Macao Science and Technology Development Fund(0001/2019/A1);the National Natural Science Foundation of China(41904066,42142034)。
Earth’s magnetic field is generated in the fluid outer core through the dynamo process.Over the last decade,data assimilation has been used to retrieve the core dynamics and predict the evolution of the geomagnetic f...
关键词:geomagnetic field GEODYNAMO data assimilation 
Dynamic mode decomposition of the geomagnetic field over the last two decades被引量:1
《Earth and Planetary Physics》2023年第1期32-38,共7页JuYuan Xu YuFeng Lin 
supported by Macao Science and Technology Development Fund grant 0001/2019/A1;Macao Foundation;the preresearch Project on Civil Aerospace Technologies of CNSA(Grants No.D020303 and D020308);the National Natural Science Foundation of China(41904066,42142034)。
Earth’s magnetic field,which is generated in the liquid outer core through the dynamo action,undergoes changes on timescales of a few years to several million years,yet the underlying mechanisms responsible for the f...
关键词:geomagnetic field secular variation dynamic mode decomposition GEODYNAMO 
Electrical and thermal conductivity of Earth's core and its thermal evolution——A review
《Acta Geochimica》2022年第4期665-688,共24页Yuan Yin Qingwen Zhang Youjun Zhang Shuangmeng Zhai Yun Liu 
financial support from the National Natural Science Foundation of China(Grant Nos.41804082 and 41873073);the Special Research Assistant Funding Program provided by the Chinese Academy of Sciences。
The Earth’s core is composed of iron,nickel,and a small amount of light elements(e.g.,Si,S,O,C,N,H and P).The thermal conductivities of these components dominate the adiabatic heat flow in the core,which is highly co...
关键词:Earth’s core Electrical and thermal conductivity Iron and its alloys Thermal evolution GEODYNAMO 
Thermal conductivity of dense hcp iron:Direct measurements using laser heated diamond anvil cell被引量:3
《Geoscience Frontiers》2020年第5期1755-1761,共7页Pinku Saha Aritra Mazumder Goutam Dev Mukherjee 
Ministry of Earth Sciences,Government of India for financial support under the project grant no.MoES/16/25/10-RDEAS;DST,INSPIRE program by Department of Science and Technology,Government of India for financial support。
Thermal conductivity(k)of iron is measured up to about 134 GPa.The measurements are carried out using the single sided laser heated diamond anvil cell,where the power absorbed by a Fe metal foil at hotspot is calculat...
关键词:Laser heated diamond anvil cell Thermal conductivity High pressure effects GEODYNAMO 
The farside lunar soil could infer the evolution of geodynamo
《Science Foundation in China》2020年第1期44-44,共1页
With the support by the National Natural Science Foundation of China and the Chinese Academy of Sciences,the research team led by Prof.Wei Yong(魏勇)at the Key Laboratory of Earth and Planetary Physics,Institute of Ge...
关键词:farside COULD GEODYNAMO 
Reassessment of electromagnetic core-mantle coupling and its implications to the Earth’s decadal polar motion
《Geodesy and Geodynamics》2019年第5期356-362,共7页Weijia Kuang Benjamin F.Chao Jianli Chen 
supported by NASA Earth Surface and Interior (ESI) Program (W.K.and J.C.);NASA Geomagnetic Infrastructure Fund;NASA GSFC SEEC Fund (W.K.);NASA GRACE Project (J.C.);Taiwan Ministry of Science and Technology via grant 106-2116-M-001-013(B. F. Chao);NASA GSFC fellowship program;IES of Academia Sinica for support of visiting tenure
The observed Earth’s polar motion on decadal time scales has long been conjectured to be excited by the exchange of equatorial angular momentum between the solid mantle and the fluid outer core,via the mechanism of e...
关键词:POLAR motion ELECTROMAGNETIC core-mantle coupling GEOMAGNETIC field GEODYNAMO 
Earth’s Magnetic Field—The Key to Global Warming被引量:1
《Journal of Geoscience and Environment Protection》2019年第7期25-38,共14页Bjarne Lorenzen 
It is commonly known that the climate debate suffers due to a lack of knowledge about the cause and effect relationship between a number of climatic temperature variations that have occurred in history without being a...
关键词:Earth’s MAGNETIC Field GEODYNAMO Global WARMING 
Earth's Solid Inner Core: Seismic Implications of Freezing and Melting被引量:2
《Journal of Earth Science》2013年第5期683-698,共16页Vernon F Cormier Januka Attanayake 
supported by the National Science Foundation of USA(Nos.EAR 07-38492 and EAR 11-60917)
Seismic P velocity structure is determined for the upper 500 km of the inner core and lowermost 200 km of the outer core from differential travel times and amplitude ratios. Results confirm the existence of a globally...
关键词:Earth's inner core seismic structure geodynamo. 
MoSST−DAS:The First Generation Geomagnetic DataAssimilation Framework被引量:1
《Communications in Computational Physics》2008年第1期85-108,共24页Weijia Kuang Andrew Tangborn Weiyuan Jiang Don Liu Zhibin Sun Jeremy Bloxham Zigang Wei 
This research is supported by NSF Mathematical Geosciences program under the grants EAR-0327875 and EAR-0327843,NASA Solid Earth and Natural Hazard Program,NASA Mars Fundamental Research Program.We also thank GSFC NPPCS and NASA NAS for computation support.
Constraining numerical geodynamo models with surface geomagnetic observationsis very important in many respects:it directly helps to improve numericalgeodynamo models,and expands their geophysical applications beyond ...
关键词:GEOMAGNETISM GEODYNAMO data assimilation ensemble forecasting. 
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