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Hydromorphology: Scientific and Engineering Challenges for 2050

By the year 2050, the hydrologic cycle will be influenced by changes in climate, water use, land use, and water infrastructure at nearly all spatial and temporal scales. It may be impossible to find a “research” watershed subject only to natural or virgin hydrologic conditions. Nearly every hydrologic method introduced prior to 2050 will have been adapted to account for the increased uncertainty and nonstationarity which have become the central challenges of our profession. A new subfield of hydrology termed hydromorphology will emerge to describe the structure, evolution and dynamic morphology of watershed systems over time (e.g., years, decades and centuries). The need for this new field will arise due to the enormous societal challenges and demands resulting from human impacts on environmental and water resource systems. The science of hydromorphology will develop a conceptual basis for improving our understanding of the impact of humans on the hydrosphere. Hydromorphologic engineers will introduce methods for the detection, attribution, design, management and prediction of water resources in a hydrosphere which by 2050 will be dominated by multiple and interacting sources of uncertainty and nonstationarity.