In this talk, I will present an overview of the research conducted in my group on river networks, with a particular focus on flood hazards and the transport of water, sediment, and nutrients. River networks play a critical role in delivering these fluxes to floodplains and wetlands—processes that are essential for ecosystem functioning but also pose risks to nearby communities. These risks often lead to human interventions and modifications of rivers and their floodplains, yet such responses are still largely absent from our morphodynamic models of landscape evolution.

I will highlight current research on compound hazards and connectivity, using tools such as remotely sensed data, graph theory, and numerical modeling. For example, we have developed a technique to identify compound flood and heat events from satellite observations, revealing a significantly higher frequency of these combined hazards than previously estimated. As part of the SWOT Science Team, we leverage radar data, imagery, and graph-based approaches to predict the partitioning of water, sediment, and nutrients across river delta networks. This approach allows us to estimate river and floodplain connectivity directly from SWOT observations. Finally, I will introduce dynamical systems modeling as a framework to integrate human response into landscape evolution models. This approach helps us detect human interventions and explore the role of adaptive capacity in shaping community responses to flood events.