A. Roberts

Publications380
h-index67
Citations16,475
Highly Influential Citations1,063
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First‐order reversal curve diagrams: A new tool for characterizing the magnetic properties of natural samples
Paleomagnetic and environmental magnetic studies are commonly conducted on samples containing mixtures of magnetic minerals and/or grain sizes. Major hysteresis loops are routinely used to provide… Expand
Rapid coupling between ice volume and polar temperature over the past 150,000 years
Current global warming necessitates a detailed understanding of the relationships between climate and global ice volume. Highly resolved and continuous sea-level records are essential for quantifying… Expand
Sea-level and deep-sea-temperature variability over the past 5.3 million years
Ice volume (and hence sea level) and deep-sea temperature are key measures of global climate change. Sea level has been documented using several independent methods over the past 0.5 million years… Expand
Antarctic temperature and global sea level closely coupled over the past five glacial cycles
Sea level has varied by over one hundred metres across glacial–interglacial cycles over the past 520,000 years. An extended sea-level reconstruction shows a strong coupling between these sea-level… Expand
Three million years of monsoon variability over the northern Sahara
Abstract We present a 3 million year record of aeolian dust supply into the eastern Mediterranean Sea, based on hematite contents derived from magnetic properties of sediments from Ocean Drilling… Expand
Characterizing interactions in fine magnetic particle systems using first order reversal curves
We demonstrate a powerful and practical method of characterizing interactions in fine magnetic particle systems utilizing a class of hysteresis curves known as first order reversal curves. This… Expand
Continental ice in Greenland during the Eocene and Oligocene
The Eocene and Oligocene epochs (∼55 to 23 million years ago) comprise a critical phase in Earth history. An array of geological records supported by climate modelling indicates a profound shift in… Expand
Environmental magnetism: Past, present, and future
Environmental magnetism involves the application of rock and mineral magnetic techniques to situations in which the transport, deposition, or transformation of magnetic grains is influenced by… Expand
Magnetic properties of sedimentary greigite (Fe3S4)
New data are presented here that document the previously poorly known magnetic characteristics of sedimentary greigite (Fe3S4). Several diagnostic magnetic properties can be used in conjunction to… Expand
Environmental magnetism: Principles and applications
[1] In environmental magnetism, rock and mineral magnetic techniques are used to investigate the formation, transportation, deposition, and postdepositional alterations of magnetic minerals under the… Expand
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