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“SEISMIC ANISOTROPY AND MANTLE DEFORMATION: WHAT HAVE WE LEARNED FROM SHEAR WAVE SPLITTING?” (M. K. SAVAGE, 1999) commented by Dr. Jessica Johnson Jessica Johnson from the University of East Anglia (UK) is our guest author of the PoM blog series of this month! She has chosen to comment on the paper “Seismic Anisotropy and mantle deformation: what have we learned from shear wave ...[Read More]
Polar surface water, circumpolar deep water, dense shelf water, North Atlantic deep water, Antarctic bottom water… These names pop in most discussions about the ice-ocean interaction and how this will change in a warming climate, but what do they refer to? In our second “For Dummies” article, we shall give you a brief introduction to the concept of “water mass”, explain how to differentiate water ...[Read More]
“MAPPING THE UPPER MANTLE: THREE-DIMENSIONAL MODELING OF EARTH STRUCTURE BY INVERSION OF SEISMIC WAVEFORMS” (Woodhouse & Dziewonski,1984) commented by Andrew Valentine. Here we are again with our Paper of the Month (PoM) series! Our guest writer is Andrew Valentine, who has chosen to comment one of the landmark papers in global seismic imaging: “Mapping the upper mantle: Thre ...[Read More]
The relentless retreat of glaciers, globally, is widely studied and reported. The causes for the loss of these precious landforms are complex and the dynamics which govern them difficult to unravel. So are the consequences and impacts of reduced glacial extent atop the world’s high peaks, as Alexis Merlaud, explains in this week’s edition of Imaggeo on Mondays. This picture was taken on 20 August ...[Read More]
Much ink is spilled hailing the work of the early fathers of geology – and rightly so! James Hutton is the mind behind the theory of uniformitarianism, which underpins almost every aspect of geology and argues that processes operating at present operated in the same manner over geological time, while Sir Charles Lyell furthered the idea of geological time. William Smith, the coal miner and canal b ...[Read More]
Ensuring research outputs and findings have an impact in society is becoming an increasingly important part of successfully securing research funding. Perhaps even more importantly, some might argue that it is the responsibility of all geoscientists to communicate their science and research. Whatever your motivations for choosing to engage colleagues and non-scientific audiences with your research ...[Read More]
Last year we prepared a round-up blog post of our favourite Imaggeo pictures, including header images from across our social media channels and Immageo on Mondays blog posts of 2014. This year, we want YOU to pick the best Imaggeo pictures of 2015, so we compiled an album on our Facebook page, which you can still see here, and asked you to cast your votes and pick your top images of 2015. From the ...[Read More]
Summer time as an early career geochemist can mean many things, to some it is vacation time, to others it is field season, and yet for others it is time to enroll in a summer school. ECORD, the European Consortium for Ocean Drilling, offers at least one summer school a year. If you work with foraminifera you may be familiar with the Urbino Summer School in Paleoclimatology, sorry to disappoint, bu ...[Read More]
The impressive Zagros Orogeny, as seen from a bird’s-eye view, has featured on Imaggeo on Monday’s blog posts a few times recently. From its fluvial dissection features, through to a false colour LANDSAT 7 image which reveals a velociraptor hiding among fold and thrusts, we’ve looked at the broad scale structures which shape the Zagros mountains. This week, the scale changes entirely: we zoom righ ...[Read More]
Preeti Roychand La Trobe University AgriBio Centre for AgriBioscience Melbourne, VIC, Australia Sandy soils in Western Australia are bad soils for growing plants due to their poor nutrients and water holding capacity (see an example in Figure 1). In general, these soils are water repellent, which leads to land degradation by increasing soil erosion risk and run-off rates. Nevertheless, these soils ...[Read More]
