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The emergence of connectivity as a conceptual framework has led to significant advances in recent years in understanding the relationships among geomorphological processes and landscapes, particularly at relatively small temporal and spatial scales. The concept has had particular success in the fields of hydrology, fluvial geomorphology and soil erosion, but has also been employed in, for example, studies of hydrochory. Connectivity as applied in various disciplines can be a transformative concept in understanding complex systems, allowing analyses of how such systems behave in terms of scaling, catastrophic/phase transitions, critical nodes, emergence and self-organization, e.g. by applying network-based analyses and modelling. Recent research also highlights the widespread nature of dis-connectivity landscape systems, caused by natural and anthropogenic structures including dams, log jams, or agricultural terraces. These and other forms of dis-connectivity can have large spatial and temporal implications on ecological, geomorphic, hydrological and biogeochemical processes, e.g. through buffering water and material fluxes. In this session, we aim to create a diverse interdisciplinary dialogue that reflects a broad range of research seeking to illustrate the role of (dis-)connectivity in landscape systems. We hope to use the session to develop a discussion on the importance of (dis-)connectivity to generate a basis for an integrated framework to be applied across different fields, temporal and spatial scales of geosciences.
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