GD
Geodynamics

numerical modeling

New Insights into Plume Buoyancy Fluxes and Dynamic Topography from Numerical Modelling

New Insights into Plume Buoyancy Fluxes and Dynamic Topography from Numerical Modelling

Figure 1. Illustration of the hotspot swell and plume buoyancy flux. White dashed line shows the original seafloor topography due to half-space cooling. Dark green line represents the surface dynamic topography caused by the dynamic uplift of the plume. One of the main surface expressions of dynamic topography are hotpot swells formed by mantle plumes. In this week’s post, Ziqi Ma, PhD candi ...[Read More]

An Arctic enigma: Can a single plume explain a massive and long-lived ancient volcanic eruption?

An Arctic enigma: Can a single plume explain a massive and long-lived ancient volcanic eruption?

  Across the Arctic lies evidence for a massive past volcanic event, called the High Arctic Large Igneous Province (HALIP). This ancient volcanic event is particularly unusual in that it appears to have lasted for over 50 million years. Could a single deep-seated mantle plume cause such wide-spread and long-lived volcanism? In a recent study published in the journal G-cubed (Heyn et al., 2024 ...[Read More]

Animating the past using numerical modeling

Animating the past using numerical modeling

The human lifespan is too short compared to the geological time. To comprehend long-term phenomena, numerical modeling emerges as an imperative approach. But, there are several ways for visualizing the output of these models. Among these, animations stand out as a powerful tool, allowing us to watch the dynamic evolution of our planet over geological epochs like a movie. Our lives are too short co ...[Read More]