Imagine a torrent of hot and cold water, laden with rock fragments, ash and other debris hurtling down a river valley: this is a lahar. A by-product of eruptions of tall, steep-sided stratovolcanoes, lahars, are often triggered by the quick melting of snow caps and glaciers atop high volcanic peaks. The history of the Ibañes River and its valley, in southern Chile, are dominated by their proximity ...[Read More]
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Soil System Sciences
Monday paper: Short-term changes in soil Munsell colour value, organic matter content and soil water repellency after a spring grassland fire in Lithuania
Pereira P, Úbeda X, Mataix-Solera J, Oliva M, Novara A: Short-term changes in soil Munsell colour value, organic matter content and soil water repellency after a spring grassland fire in Lithuania. Solid Earth, 5, 209-225. DOI: 10.5194/se-5-209-2014. Abstract Fire is a natural phenomenon with important implications on soil properties. The degree of this impact depends upon fire severity, the ecosy ...[Read More]
Soil System Sciences
Monday paper: Thermal shock and splash effects on burned gypseous soils from the Ebro Basin (NE Spain)
León J, Seeger M, Badía D, Peters P, Echevarría T: Thermal shock and splash effects on burned gypseous soils from the Ebro Basin (NE Spain). Solid Earth, 5, 131-140. DOI: 10.5194/se-5-131-2014. Abstract Fire is a natural factor of landscape evolution in Mediterranean ecosystems. The middle Ebro Valley has extreme aridity, which results in a low plant cover and high soil erodibility, especially on ...[Read More]
Cryospheric Sciences
Four years in Tibet – Eva Huintjes
The Tibetan Plateau – area: 2.5 million km2, mean elevation: 4,700 m a.s.l., surrounded by a series of high mountain ranges that are home to some of the world’s highest peaks: Himalayas, Karakoram, Pamir, Kunlun Shan. Considering these characteristics and the unique cultural heritage of Tibet the decision was easy when I was asked if I am interested working in a project on the regional patterns of ...[Read More]
Soil System Sciences
Connectivity: an emerging issue
Antonio Jordán (University of Seville, Spain) Paulo Pereira (Mykolas Romeris University, Lithuania) Saskia Keesstra (Wageningen University, The Netherlands) Artemi Cerdà (University of Valencia, Spain) What is connectivity? Over the recent decades, a growing number of studies have highlighted the role of hydrological and sediment connectivity processes in relation to watershed management, t ...[Read More]
Green Tea and Velociraptors
A letter to the Editor of the Zoological Journal of the Linnean Society
This post is one inspired by the actions of Ethan White and a couple of other ecologists. Spurred on by their actions, I decided to write a letter to the Editor of a major journal in my field, the Zoological Journal of the Linnean Society. Ethan has performed similar actions too, and this letter draws quite a bit on what he has previously written. The theme revolves around requesting that the Linn ...[Read More]
WaterUnderground
The Groundwater Wetlands and Bogs Study Group
The Groundwater Wetlands and Blogs Study Group is an unfunded, voluntary collaboration of professionals, formed in December 2012, focused on groundwater wetlands, bogs, and related systems. The Study Group has about 250 members in 39 countries. Study Group members communicate primarily through a disciplined Yahoo Group listserve. We are not a social network nor are we an environmental advocacy g ...[Read More]
GeoLog
Geosciences Column: Fire in ice – the history of boreal forest fires told by Greenland ice cores.
Burning of biomass contributes a significant amount of greenhouses gases to the atmosphere, which in turn influences regional air quality and global climate. Since the advent of humans, there has been a significant increase in the amount of biomass burning, particularly after the industrial revolution. What might not be immediately obvious is that, (naturally occurring) fires also play a part in e ...[Read More]
Seismology
Georisks in the Mediterranean and their mitigation
An international scientific conference about Georisks in the Mediterranean and their mitigation is going to be held in Malta between the 20th and 21st July, 2015. This Scientific Conference is organised by the University of Malta, as part of the SIMIT project: Integrated Civil Protection System for the Italo-Maltese Cross-Border Area. The meeting will bring together experts and researchers in va ...[Read More]
Climate: Past, Present & Future
A Climate Modeling Workshop in the South of France!
Climate and its effects on the past, present and future of the human race is a heated, topic of debate these days. There are many competing interests at stake from governments and politicians to the big oil and energy companies of the world to the scientists trying to work on climate change problems to the people of the world most acutely affected by these changes on the Earth we live. Thus, I thi ...[Read More]