Detail of a photo: Maze of layered canyon walls and buttes in bands of red, cream and grey, receding into the distance in soft evening light.
GeoLog

anthropogenic

Spring, Summer, Winter…Haze?

Spring, Summer, Winter…Haze?

Around the world, societies have many different ways to define the seasons, but for most people a season is identified by a set of culturally specified events, such as the arrival of migratory birds, certain anticipated weather patterns, or a range of expected temperatures. Over recent years many studies have examined the various ways that …[Read More]

Geosciences Column: Fire in ice – the history of boreal forest fires told by Greenland ice cores.

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) …[Read More]