Category Archives: paper reviews

Snow, water, digital imaging, metamorphism…and a guillotine!

When water infiltrates past the ground surface and begins to percolate through the soil’s unsaturated zone, it doesn’t move downward like an even sheet. Instead, fast fingers of water move downward along pores, roots and other places where flow is … Continue reading

Categories: by Anne, hydrology, paper reviews

Yellowstone: what lies beneath

The best evidence yet that the Yellowstone hotspot is the result of a mantle plume – one that had to burn through a subducting slab to get to the surface. Continue reading

Categories: geophysics, paper reviews, volcanoes

Snowball Earth no problem for sponges

Evidence from numerous sources seems to be converging to suggest that sponges – the first animals – emerged much earlier than the beginning of the Cambrian, and apparently sailed through severe climatic events in the Cryogenian without much trouble at all. Continue reading

Categories: fossils, geology, paper reviews, past worlds, Proterozoic

Anne’s picks of the literature: river and floodplain sediments

These four papers all attempt to understand what controls the sediments that make up the streambed and floodplain and that get preserved in the geologic record. White et al. look at how riffle positions are governed by valley width variations, while Jerolmack and Brzinski find striking similarities in grain size transitions observed in rivers and dune fields. Hart et al. examine the relationship between glacial advances and downstream sediment deposition, while Sambrook Smith et al. investigate the sedimentological record of floods. Continue reading

Categories: by Anne, geomorphology, paper reviews

Anne’s picks of the June literature: Fluvial Geomorphology and Landscape Evolution

How do rivers erode bedrock streams, during big floods, and in the presence of groundwater? Laboratory and accidental experiments are providing some cool new insights. Continue reading

Categories: by Anne, geomorphology, paper reviews