GeoLog

imaggeo on mondays

Imaggeo on Mondays: Inside the whale’s mouth

Imaggeo on Mondays: Inside the whale’s mouth

Often there are moments in our lives when we are reminded of the strength and magnitude of our environment, whether that’s trekking through a mountain range or gazing at the horizon from the ocean shore. Yet arguably there are few things that can make you feel as small as a particularly powerful summer storm. “The atmosphere is undoubtedly one of the most dynamic components in the Earth System. No ...[Read More]

Imaggeo on Mondays: The ephemeral salt crystals

Imaggeo on Mondays: The ephemeral salt crystals

Rock salt stalactites (Speleothems) are the indicators of entrance in a salt cave. These crystal stalactites precipitate from brine only at the entrance in the salt caves, as that is the only place where the physical and chemical properties of the air and the brine dripping from the ceiling allow these crystals to grow and be preserved. And they are extremely fragile – if there is just a sma ...[Read More]

Imaggeo on Mondays: Monitoring Antarctica’s ocean current

Imaggeo on Mondays: Monitoring Antarctica’s ocean current

This week’s featured image depicts a quiet and still oceanic landscape in Antarctica, but polar scientists are studying how energetic and variable the ocean currents in this part of the world can be. In this picture, the marine research vessel RRS James Clark Ross is making its way through the Lemaire Channel, a small passage off the coast of the Antarctic Peninsula, south of the southernmost tip ...[Read More]

Imaggeo on Mondays: At the edge of a wildfire

Imaggeo on Mondays: At the edge of a wildfire

The Carpenter 1 fire burned approximately 11,000 ha in the Spring Mountain National Recreation Area (Humboldt-Toiyabe National Forest) near Las Vegas, Nevada between July 1, 2013 and its containment on August 18, 2013. The left side of the photo shows the fire affected arid desert scrub ecosystems at 1500 m (foreground) to subalpine pine ecosystems at 3400 m (background). The foreground of the pho ...[Read More]