Les images satellite permettent de mesurer les oscillations du lac de lave du Nyiragongo (RD Congo). Ces mesures renseignent sur la dynamique du volcan et aident à anticiper ses éruptions futures.
Africa
Tracking Lava Lake Levels at an African Volcano from Space
Satellite data from Nyiragongo Volcano, Democratic Republic of Congo, track changes in summit-crater lava levels that provide a window into eruption dynamics and aid in forecasting future activity.
New Hazard Exposure Model for Africa
The rapid pace of urbanization could encroach on hazard-prone regions without adequate land management and building design regulations, a new modeling project shows.
Africa’s Earth, Wind, and Fire Keep the Amazon Green
Jet streams sprinkle North African dust over the Amazon, providing the rain forest with much needed nutrients. Changing wind patterns and increasing smoke may shift the system.
Satellites Help Cement South Africa’s Space Industry
A trio of CubeSats allows South Africa to showcase its growing space industry as well as monitor its coastal zones.
Martian Meteorites Reveal Evidence of a Large Impact
By analyzing rare Martian meteorites, researchers have uncovered a crystalline structure created by a large asteroid or comet impact that potentially affected the Red Planet’s habitability.
A Cagey Approach to Speedy and Safe Seafloor Deployments
Researchers devised a simple way to deliver ocean bottom seismometers accurately to the seafloor to study ongoing seismic and volcanic activity near the islands of Mayotte.
African World Heritage Sites Jeopardized by Rising Seas
Worsening flooding and erosion threaten places of “outstanding universal value” along the continent’s coastlines.
Coal Seam Fires Burn Beneath Communities in Zimbabwe
Underground fires threaten the health of people and livestock living near mines supporting the country’s growing coal industry.
Deforestation Is Flooding West African Coasts
The lack of trees is contributing to increased rainfall along the coast of southwest Africa, where communities are already vulnerable to flash flooding.
