The BQARTwbm distributed sediment flux model

Project description

The Framework for Aquatic Modeling of Earth System (FrAMES) is a spatially and temporally explicit multi-scale (local through global)hydrological/biogeochemical modeling scheme. It is an ongoing interdisciplinary project allowing predictions of changing material flux from major continental rivers in response to changing environmental conditions. In this project we develop and test a new component within this framework, a spatially explicit sediment flux model. We expend the BQART sediment flux model from point (river outlet) to distributed (pixel) scale by integrating it into the WBMplus continental hydrology model. BQART is an analytical model describing the empirical relationship between basin geomorphic (area and relief), climatic (temperature and precipitation), geologic (lithology and ice cover) and human (reservoir and soil erosion) characteristics and short and long-term sediment flux (implanted in the HydroTrend). WBMplus is a spatially explicit model describing varying components of global hydrological cycle. The integrated model (BQARTwbm) allow daily predictions of global scale sediment fluxes at a spatial resolution of 30 and 6 minute.

Why we use the CSDMS HPCC: We validate the new model by comparing its distributed sediment flux predictions to measured fluxes at both river mouths and tributaries.

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HPCCprojects:The BQARTwbm distributed sediment flux model