One fundamental point on which we have at present little information of anything like a definite character is as to the number of solid particles present in our atmosphere. We know that they are very numerous, and it seems probable the number varies under different conditions of weather; but how many particles are really present under any conditions, and how the number varies, we have at present v ...[Read More]
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Four Degrees
Momentous Discoveries in Geology – The World of Nano!
I first came across the intriguing world of nanoparticles when I saw an awe-inspiring talk by nano-extraordinaire Professor Michael Hochella from Virginia Tech at the Geological Society. He wove a fascinating tale about the world at nanoscale, the special properties, the infinite uses and the potential environmental impacts as well as outlining the need for caution, scrutiny and intensive research ...[Read More]
Geology Jenga
10 Minute Interview – Life as a Museum Curator
Fridays are hard enough, so we thought we’d help you get through the day with a really interesting 10 minute interview, all you need now is a spare 10 minutes and your favourite hot drink! This week, we speak to Gillian McCay, assistant curator at the Cockburn Geological Museum at the University of Edinburgh. The museum is a fascinating place to visit, holding over 130,000 specimens as well ...[Read More]
GeoLog
Geosciences column: Playing back the Antarctic ice records
Satellites are keeping tabs on the state of Arctic and Antarctic sea ice, and have observed considerable declines in ice extent in many areas since records began, but what do we know of past sea ice extent? Ice cores keep an excellent record of climate change, but until recently, ice cores have not been used to quantify patterns in past sea ice extent because few reliable compounds are preserved i ...[Read More]
Geology for Global Development
Friday Photo (98) – Hydroelectric Energy in Ladakh
Hydroelectric power plants are being developed across the Himalayas. Here, a small-scale system is used to store energy during times of peak supply from other sources, and deliver energy during times of peak demand. This system relies on the shuttling of river water (seen in the background) between different elevations. (c) Geology for Global Development 2013
Between a Rock and a Hard Place
Science Snap (5): Volcan de Colima’s lava dome
This photograph, taken from a helicopter, is of the lava dome at Volcan de Colima volcano, Mexico in November 2009. Volcan de Colima has been active throughout history with over 40 eruptions since the sixteenth century. The last explosive Plinian eruption was in 1913 blasting out the summit crater. Nowadays, eruptions tend to be effusive with eruptions of lava flows and the gradual build up of the ...[Read More]
Geology for Global Development
Dialogues for Disaster Anticipation and Resilience – Your Help Needed!!
Following a recent discussion with staff at the Humanitarian Futures Programme, an independent policy research initiative based at King’s College London, an important opportunity emerged for YOU to support one of their programmes. The ‘Dialogues for Disaster Anticipation and Resilience’ project is designed to bridge the gap between those who make science and those who use science ...[Read More]
GeoLog
A sky-high view on pollution in the Himalayas: the journey
After being awarded the EGU’s science journalism fellowship, Jane Qiu took to the Himalayas to shadow scientists studying air pollution at the Pyramid Observatory some 5000 metres above sea level. The journey to work is by no means an easy one… For Angela Marinoni and Paolo Bonasoni, climate scientists at the Institute of Atmospheric Sciences and Climate in Bologna, Italy, and Maxime Hervo, a Ph.D ...[Read More]
Geology for Global Development
Guest Blog: A Summer of Volcanic Observation in Ecuador (4)
David Litchfield completed a second undergraduate degree in Geosciences with the Open University and is currently studying part-time for an MSc in Geophysical Hazards at UCL. He has a broad interest in hazard monitoring methods and how geoscientists communicate their findings with those who need it, and retains a strong connection with the Andean highlands of Ecuador. This summer, David is volunte ...[Read More]
GeoLog
Imaggeo on Mondays: Great faults and faultless geotourism
Road cuttings provide a great window into the wonders of what’s beneath the Earth’s surface. In this week’s Imaggeo on Mondays Bahram Sadry takes us through a beautiful fault between Tabriz and Tehran, Iran… These incredible rock outcroppings along Zanjan-Tabriz highway (the northwest of Iran), are unlike any other outcrop in the world. They are a group of faults and fractures, brecciation and gra ...[Read More]