منابع مشابه
Causes of climate change over the past 1000 years
Recent reconstructions of Northern Hemisphere temperatures and climate forcing over the past 1000 years allow the warming of the 20th century to be placed within a historical context and various mechanisms of climate change to be tested. Comparisons of observations with simulations from an energy balance climate model indicate that as much as 41 to 64% of preanthropogenic (pre-1850) decadal-sca...
متن کاملCauses of Climate Change over the past 1000 Years
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متن کاملProxy climatic and environmental changes of the past 1000 years
The 1000 yr climatic and environmental history of the Earth contained in various proxy records is reviewed. As indicators, the proxies duly represent local climate. Because each is of a different nature, the results from the proxy indicators cannot be combined into a hemispheric or global quantitative composite. However, considered as an ensemble of individual expert opinions, the assemblage of...
متن کاملThe Spectral Determination of Depths to Buried Magnetic Basement Rocks
The power spectrum of airborne magnetometer total intensity field profiles can be used to determine average depth values to buried magnetic rocks. These depths are established from the slope of the log-power spectrum at the lower end of the total wavenumber, or spatial frequency band. The method is based on the assumption that the magnetic effect of the basement surface can be simulated by an u...
متن کاملMicrogravity Manufacturing: Extending Rapid Prototyping Past the Horizon
Over the last decade, rapid prototyping (RP) technologies have continued to advance in all aspects of operation and application. From continuously advanced materials and processes development to more hard-core manufacturing uses, the RP realm has stretched considerably past its original expectations as a prototyping capability. This paper discusses the unique applications for which NASA has cho...
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ژورنال
عنوان ژورنال: ASEG Extended Abstracts
سال: 2018
ISSN: 2202-0586
DOI: 10.1071/aseg2018abw10_1f