搜索结果: 1-15 共查到“理学 melt”相关记录49条 . 查询时间(0.062 秒)
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Extreme melt on Antarctica's George VI Ice Shelf(图)
Extreme melt Antarctica George VI Ice Shelf
2021/3/12
Antarctica's northern George VI Ice Shelf experienced record melting during the 2019-2020 summer season compared with 31 previous summers of dramatically lower melt, a University of Colorado Boul...
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Geoscientists discover ancestral Puebloans survived on ice melt in New Mexico lava tubes(图)
Geoscientists ancestral Puebloans survived ice melt New Mexico lava tubes
2020/12/11
For more than 10,000 years, the people who lived on the arid landscape of modern-day western New Mexico were renowned for their complex societies, unique architecture and early economic and political ...
RESPONSE OF ALPINE GRASSLAND VEGETATION PHENOLOGY TO SNOW ACCUMULATION AND MELT IN NAMCO BASIN
Vegetation Greening Vegetation Growth Length Snow Cover Fraction Trend Analysis Relationship Namco Basin
2018/5/11
Snow/ice accumulation and melt, as a vital part of hydrological processes, is close related with vegetation activities. Taking Namco basin for example, based on multisource remote sensing data and the...
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Extreme melt season leads to decade-long ecosystem changes in Antarctica's Dry Valleys(图)
Extreme melt season decade-long ecosystem changes Antarctica Dry Valleys
2017/9/4
An abnormal season of intense glacial melt in 2002 triggered multiple distinct changes in the physical and biological characteristics of Antarctica's McMurdo Dry Valleys over the ensuing decade, new r...
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Arctic melt ponds form when meltwater clogs ice pores(图)
Arctic melt ponds meltwater clogs ice pores
2017/2/16
When spring comes to the Arctic, the breakup of the cold winter ice sheets starts at the surface with the formation of melt ponds. These pools of melted snow and ice darken the surface of the ice, inc...
Researchers from MIT, Princeton University, and elsewhere have developed a new technique to monitor the seasonal changes in Greenland’s ice sheet, using seismic vibrations generated by crashing ocean ...
Evolution of the volcanic plumbing systemof Alicudi (Aeolian Islands - Italy): evidence from fluid and melt inclusionsin quartz xenoliths
Aeolian Islands fluid inclusions crustal xenoliths homogenisation temperature magma plumbing system
2015/9/15
Quartz-rich xenoliths in lavas (basalts to andesites; 90-30 ka) from Alicudi contain abundant melt and fluid inclusions. Two generations of CO2-rich fluid inclusions are present in quartz-rich xenolit...
Volatile diffusion in silicate melts and its effects on melt inclusions
diffusion silicate melts volatiles water carbon dioxide sulfur fluorine igneous processes chlorine melt inclusion
2015/9/10
A compendium of diffusion measurements and their Arrhenius equations for water, carbon dioxide, sulfur, fluorine,
and chlorine in silicate melts similar in composition to natural igneous rocks is pre...
Warm Arctic, Cold Continents: A Common Pattern Related to Arctic Sea Ice Melt, Snow Advance, and Extreme Winter Weather
Arctic sea ice statistical model the Eurasian snow winter temperatures
2015/7/16
Arctic sea ice was observed to be at a new record minimum in September 2012. Following this summer minimum, northern Eurasia and much of North America experienced severe winter weather during the wint...
Geodynamic Models of Melt Generation and Extraction at Mid-Ocean Ridges
Geodynamic Models Melt Generation Extraction Mid-Ocean Ridges
2015/7/14
It is widely accepted that plate divergence at mid-ocean ridges drives mantle flow, mantle melting, and the formation of new oceanic crust. However, many of the details of this process remain obscure ...
Geodynamic Models of Melt Generation and Extraction at Mid-Ocean Ridges
Geodynamic Models Melt Generation Extraction Mid-Ocean Ridges
2015/7/14
It is widely accepted that plate divergence at mid-ocean ridges drives mantle flow, mantle melting, and the formation of new oceanic crust. However, many of the details of this process remain obscure ...
Iceland Rises as Its Glaciers Melt From Climate Change
Iceland Rises Glaciers Melt Climate Change
2015/3/4
The Earth’s crust under Iceland is rebounding as global warming melts the island’s great ice caps, a University of Arizona-led team reports in an upcoming issue of Geophysical Research Letters.The pap...
Analysis of the Gouldsboro Pluton and the Fehr Granite: Understanding the Scales of Magmatic Processes and Partial Melt Generation from the Deep to Shallow Crust
anatexis bimodalism deep crust granite microprobe migmatites
2014/10/22
The heterogeneity of the continental crust has a first order control on the dynamics of plate tectonic processes and the compositions of the Earth in both time and space. Heterogeneity can be characte...
Regional mantle heterogeneity regulates melt production along the Réunion hotspot-influenced Central Indian Ridge
ridge-hotspot interaction MORB geochemistry crustal production upper mantle heterogeneity
2017/4/11
To ascertain factors controlling melt production along a typical distal, ‘hotspot-interacting’ mid-ocean ridge, we investigated
the extent and distribution of both plume-related and plume-unrelated b...
The MgSiO3 system at high pressure: Thermodynamic properties of perovskite, postperovskite, and melt from global inversion of shock and static compression data
perovskite postperovskite melt
2014/4/8
We present new equation-of-state (EoS) data acquired by shock loading to pressures
up to 245 GPa on both low-density samples (MgSiO3
glass) and high-density,