Sam Purkis on Muck Rack

Sam Purkis

Key Biscayne
As seen in: Nature, Wiley Online Library, PBS NewsHour, Fast Company, Frontiers, The Conversation, Agenda (World Economic Forum), Salon, Science Magazine, Business Standard and
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Articles

Organic Carbon Stocks in Earth’s Most Remote Blue Carbon Ecosystems

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By Anna C Bakker, Sam Purkis, Gaëlle Duchâtellier, Maria Estevanez
| dx.doi.org
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Sedimentological characterisation is a necessary prerequisite for interpretation of stable carbon isotope ratios of bulk sediment from reefal settings

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By Colleen Brown, Sam Purkis, Eberhard Gischler, Amanda M. Oehlert
| Wiley Online Library
Delta (δ) notation reports the relative difference in the isotopic ratio (either 13C/12C or 18O/16O) of a standard of known composition and a sample (for example δ13C or δ18O; multiplied by 1000 and reported in per mille or parts per thousand (‰)) GSI Gini–Simpson diversity index HMC high-magnesium calcite LMC low-magnesium calcite n number or quantity of samples μm microns; unit of measurement for sediment grain sizes INTRODUCTION Marine carbonate sediments are important archives of major...
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A 1600-year record of extreme rainfall in northern Arabia

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By Rich Pang, Megan McSweeney, Lu Chen, Sam Purkis
| Science Magazine
Abstract Intense rain can trigger flashfloods in Arabia. Torrential rains in 2024 sowed widespread chaos in the region. Sediment-loaded plumes discharged by flashfloods deposit onto the seabed. Burrowing animals disrupt these flood layers, erasing the paleorainfall record. Fortuitously, we discovered an anoxic deep-sea brine pool sited close enough to shore to chronicle floods, yet be otherwise undisturbed by animals. Cores retrieved from the pool delivered a 1600-year rainfall record.
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