A dedicated short course on the use of the software GPlates will be held at this years’ EGU. GPlates is a “desktop software for the interactive visualisation of plate-tectonics“. It offers a “combination of interactive plate-tectonic reconstructions, geographic information system functionality and raster data visualisation“. GPlates is an open-source software running ...[Read More]
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GeoLog
Last chance to enter the EGU Photo Contest!
If you are pre-registered for the 2015 General Assembly (Vienna, 12 -17 April), you can take part in our annual photo competition! Winners receive a free registration to next year’s General Assembly! But hurry, there are only a few days left to enter! Every year we hold a photo competition and exhibit in association with our open access image repository, Imaggeo and our annual General Assembly. Th ...[Read More]
Soil System Sciences
Sure can smell the rain
Fly, thought, on golden wings, go alight on the cliffs, on the hills, where the sweet airs of our native soil smell soft and mild! Chorus of the Hebrew slaves, Nabucco Giuseppe Verdi Have you ever noticed the smell of rain? Why does wet soil smell so good? The smell of wet soil plants oils released into the soil during dry periods is due. These substances accumulate in the soil and mix with ...[Read More]
Green Tea and Velociraptors
The early evolution of birds – more complicated than trying to untangle your headphones..
Birds are a phenomenal story of evolutionary success. As modern-day dinosaur descendants, they occupy almost all environments and ecosystems around the globe, and are truly animals that capture our imaginations. However, how did they become so diverse, both in number and form? This is something only the fossil record can divine for us. Birds first appear in the Middle to Late Jurassic of China and ...[Read More]
GeoLog
Imaggeo on Mondays: An explosive cloud
One of the world’s most volcanically active regions is the Kamchatka Peninsula in eastern Russia. It is the subduction of the Pacific Plate under the Okhotsk microplate (belonging to the large North America Plate) which drives the volcanic and seismic hazard in this remote area. The surface expression of the subduction zone is the 2100 km long Kuril-Kamchatka volcanic arc: a chain of volcanic isla ...[Read More]
Soil System Sciences
Monday paper: Bayesian calibration of a soil organic carbon model using Δ14C measurements of soil organic carbon and heterotrophic respiration as joint constraints
Ahrens, B., Reichstein, M., Borken, W., Muhr, J., Trumbore, S. E., and Wutzler, T.: Bayesian calibration of a soil organic carbon model using Δ14C measurements of soil organic carbon and heterotrophic respiration as joint constraints, Biogeosciences, 11, 2147-2168, doi:10.5194/bg-11-2147-2014, 2014. Abstract Soils of temperate forests store significant amounts of organic matter and are cons ...[Read More]
Soil System Sciences
Monday paper: Impacts of climate variability on wetland salinization in the North American prairies
Nachshon U, Ireson A, van der Kamp G, Davies SR, Wheater HS. 2014. Impacts of climate variability on wetland salinization in the North American prairies. Hydrology and Earth System Sciences 18, 1251-1263. DOI: 10.5194/hess-18-1251-2014. Abstract The glaciated plains of the North American continent, also known as the “prairies”, are a complex hydrological system characterized by hummock ...[Read More]
Seismology
ECGS & ESC/EAEE Joint Workshop: Earthquake and Induced Multi-Risk Early Warning and Rapid Response
A joint workshop about earthquake and induced risk, early warning and rapid response is going to take place in Luxembourg, between the 18th and the 20th of November this year. The long list of researchers involved in the scientific committee, invited lecturers, and, the number of organisations supporting this workshop make this meeting one not to be missed. The supporting organisations are the Eur ...[Read More]
Seismology
Visual simulations of seismic waves
Sometimes it is not easy to understand (or explain) how seismic waves propagate through Earth. Recently, a number of very nice graphic examples have been uploaded on vimeo.com. The videos show the basic concepts of a travelling seismic wave such as the propagation of waves from a central source (similar to the ripples in a pond after a stone has been dropped in). The other animations show more com ...[Read More]
GeoLog
Geosciences Column: The quest for life on Mars
Understanding where we come from and whether Earth is the only habitable planet in the Solar System has been a long standing conundrum in science. Partly because it is our nearest neighbour, partly because of its past and current similarities with our own home, Mars, the red planet, is a likely contender in the quest for extra-terrestrial life. In this guest blog post, James Lewis, a PhD student a ...[Read More]