GeoLog

Hydrological Sciences

Imaggeo on Mondays: Crater lake

At the border between the Pacific and Australian plates, crossed by the Pacific Ring of Fire, New Zealand is one of the most geologically active countries in the world. Volcanoes abound in this island-country, which contains the “world’s strongest concentration of youthful rhyolotic volcanoes“, and earthquakes are a frequent presence. Mount Ruapehu, a stratovolcano located in the ...[Read More]

Geosciences Column: Predicting glacial lake outburst floods

In this month’s Geosciences Column, Amanda Gläser-Bligh writes about SAR (synthetic aperture radar) satellites and how they can be used to map glacier lakes and mitigate related flood hazards. Glaciers are a natural storage system and provide a perennial source of fresh water to the surrounding low-lying areas, which can be used for drinking water, irrigation, or even hydroelectricity. But when gl ...[Read More]

GeoTalk: Dr Giuliano Di Baldassarre

GeoTalk, featuring short interviews with geoscientists about their research, continues this month with a Q&A with Dr Giuliano Di Baldassarre (UNESCO-IHE Institute for Water Education) regarding his work on floods, population changes, and risk prevention. If you’d like to suggest a scientist for an interview, please contact Bárbara Ferreira. First, could you introduce yourself and let us ...[Read More]

Imaggeo on Mondays: Patagonian blues

If you are feeling the Monday blues, this peaceful photograph of a Patagonian lake might be just what you need to light up your day. Patagonia is known for its rich volcanic history and dramatic landscapes, and this scene is no exception. It shows a lake in the Pali-Aike volcanic field on the Argentina-Chile border, located north of the Strait of Magellan: the beautiful Laguna Potrok Aike. Agathe ...[Read More]