Urban systems have been the subject of investigation for over a century. From central place and hierarchy theory to Gibrat’s and Zipf’s law, urban systems have been subjected to intense scrutiny. More recently, in a series of papers analyzing urban systems from the perspective of resilience...

We describe a framework called <Emphasis Type="Bold">Regional <Emphasis Type="Bold">Hydrologic <Emphasis Type="Bold">Modeling for <Emphasis Type="Bold">Environmental <Emphasis Type="Bold">Evaluation (RHyME<Superscript>2</Superscript>) for hydrologic modeling across scales. Rooted from hierarchy theory, RHyME<Superscript>2</Superscript> acknowledges the rate-based hierarchical structure of hydrological systems. Operationally, hierarchical constraints are...</superscript></superscript></emphasis></emphasis></emphasis></emphasis></emphasis>