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Dataset and Supporting Information for Barinas et. al. Floodplain Roughness Study

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Type:	Resource
Storage:	The size of this resource is 87.0 MB
Created:	Dec 08, 2022 at 3:15 a.m.
Last updated:	Oct 17, 2023 at 1:48 p.m.
DOI:	10.4211/hs.8c5b71cf3a7449b0b94c447a3e87e63f
Citation:	See how to cite this resource

Sharing Status:	Published
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Downloads:	15
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Abstract

Publication Title: Continental Scale Assessment of Variation in Floodplain Roughness with Vegetation and Flow Characteristics

Quantifying floodplain flows is critical to multiple river management objectives, yet how vegetation within floodplains dissipates flow energy lacks comprehensive characterization. Utilizing over 3.4 million discharge measurements, in conjunction with aboveground biomass and canopy height measurements from NASA’s Global Ecosystem Dynamics Investigation (GEDI), this study characterizes the floodplain roughness coefficient Manning’s n and its determinates across the continental United States. Estimated values of n show that flow resistance in floodplains decreases as flow velocity increases but increases with the fraction of vegetation inundated. A new function (RMSE = 0.024, r2 = 0.74) is proposed for predicting n based of GEDI vegetation characteristics and flow velocity, with GEDI derived n values improving predictions of discharge relative to those based only on land cover. This analysis provides evidence of key hydraulic patterns of energy dissipation in floodplains, and integration of the proposed function into flood and habitat models may reduce uncertainty.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

North Latitude

51.3478°

East Longitude

-62.0508°

South Latitude

22.8420°

West Longitude

-132.3633°

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Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
NASA	Coupling ecosystem structure to habitat microclimate through GEDI derived canopy water storage estimates	80NSSC21K0198
Oregon State University	OSU Fellowship award
Department of State USA	Laspau Fulbright Award

How to Cite

Barinas, G., S. P. Good, D. Tullos (2023). Dataset and Supporting Information for Barinas et. al. Floodplain Roughness Study, HydroShare, https://doi.org/10.4211/hs.8c5b71cf3a7449b0b94c447a3e87e63f

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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