In mountainous regions precipitation – be that in the form of rain, hail or snow, for example – drives erosion, which means it plays an important part in shaping the way the landscape looks. Precipitation can directly wear away at hillsides and creates streams and rivers, which leave their mark on the scenery by cutting and calving their way through it. Take for instance the hills in the arid coas ...[Read More]
Imaggeo on Mondays: The invaluable role of soil dwellers
That soils are vital to secure our future supplies of water, food, as well as aiding adaptation to climate change and sustaining the planet’s biosphere is a subject we’ve featured on the blog as recently as the summer. That’s because never have humans been more out of touch with the vital importance of this natural resource. Inhabiting among soil particles thrives an even less familiar, but equall ...[Read More]
Imaggeo on Mondays: The soil in your veg patch
Do a search for images of dirt in Google and you might be surprised to find that the vast majority of returned images are of a substance that we ought to be protecting and treasuring, rather than dismissing as something unclean and without value: soil. It’s not the first time we’ve featured this precious resource on GeoLog recently, remember that post about soil in art? It’s not without reason eit ...[Read More]
Geosciences Column: Soil in art
When you think of soil, what is the first thing that comes to mind? The answer will depend on your perception of soil: to some it has a patriotic meaning (“soil of Britain”, for example), while to others it has a strong agricultural connection and to an Earth scientist, well, it’ll depend on their field of expertise. A geotechnical engineer’s perception of soil is different to how it might be view ...[Read More]