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Anne’s picks of the June literature: Fluvial Geomorphology and Landscape...
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. Johnson, J., & Whipple, K....
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Anne’s picks of the literature: river and floodplain sediments
In July, four geomorphology papers particularly piqued my interest, and, as I started to summarize them, I realized they were loosely connected by a common theme. These four papers all attempt to...
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Snowball Earth no problem for sponges
In the debris surrounding 650 million year-old stromatolite reefs in South Australia, Adam Maloof and his group have discovered some rather unusual-looking fossils. They’re all about half a centimetre...
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Yellowstone: what lies beneath
The Yellowstone caldera is located over a ‘hotspot’, where volcanism – and in the case of Yellowstone, hydrothermal activity – is occurring far away from the plate boundaries where such things are...
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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...
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Small rocky exoplanets galore
This week, rather excitable speculations about a NASA press conference were somewhat punctured when in turned out to be about the discovery of some exotic, but determinedly terrestrial, Californian...
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Geology is destiny: globally mapping permeability by rock type
Permeability (the ease with which a fluid moves through a material) is the ultimate goal of many hydrogeologic investigations, because without that information it is impossible to quantify subsurface...
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Pakistan floods: Predictable or predicted, but a disaster nonetheless
Unusually heavy monsoon rains in July and August 2010 left large swaths of Pakistan underwater. At least 18 million people were affected by the flood, and it is estimated that, more than six months...
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Bacteria in the sky, making it rain, snow, and hail
Even though we all think of the freezing point of water as 0 °C, very pure water remains a liquid until about -40 °C. Water crystallizes to ice in the presence of tiny nucleation particles in the...
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In large earthquakes, the Earth moves for almost everyone
The Global Positioning System has completely revolutionised how geologists study the deformation of the Earth. If you leave a GPS receiver in a fixed location for days, months and years, it is precise...
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Teaching graduate seminars is good for an academic’s reading habits (Anne’s...
1. Introduction As a scientist, one of my big challenges is to keep on top of the vast and ever-growing body of scientific knowledge about my research and teaching subjects. I’m not the only one who...
View ArticleAnne’s top papers of 2016 + 3 she co-wrote
Yesterday, I posted an epic analysis of my scientific reading habits in 2016, but I didn’t tell you about the papers I read last year that made my heart sing. And I didn’t take much time to brag about...
View ArticleRemagnetisation spoils the paleomagnetic party again
Did the Earth have a magnetic field before 3.5 billion years ago? Previous paleomagnetic studies of the world’s oldest mineral grains – the Jack Hills zircons, which have maximum ages of 4.4 billion...
View ArticleAt subduction zones, feeding a complicated plate means you get complicated...
What drives the occurrence of slow-slip events on subduction zones: “earthquakes”: that involve strain release over days and weeks rather than seconds? A new paper…doesn’t really answer that question,...
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Spooky seismic action at a distance: moderate earthquakes in western US cause...
This is such a cool study, and such an interesting result! Check out @IRIS_EPO's latest science highlight! Scientists discovered numerous previously unknown submarine landslides in the Gulf of Mexico...
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How long was the last magnetic reversal – and why might subducting slabs have...
A new paper on the chronology of the last magnetic reversal concludes it took 20,000 yrs, and there were two distinct excursions – where the field becomes weak and disorganized, but it recovers...
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