An Investigation of Errors in Distributed Models' Stream Discharge Prediction Due to Channel Routing

ElSaadani, Mohamed; Krajewski, Witold F.; Goska, Radoslaw; Smith, Michael B.

doi:10.1111/1752-1688.12627

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i

An Investigation of Errors in Distributed Models' Stream Discharge Prediction Due to Channel Routing

2018
By ElSaadani, Mohamed ; Krajewski, Witold F. ; Goska, Radoslaw ; ...
Source: JAWRA Journal of the American Water Resources Association, 54(3), 742-751

[PDF-734.63 KB]

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Details:

Journal Title:

JAWRA Journal of the American Water Resources Association
Personal Author:

ElSaadani, Mohamed ; Krajewski, Witold F. ; Goska, Radoslaw ; Smith, Michael B.

ElSaadani, Mohamed ; Krajewski, Witold F. ; Goska, Radoslaw ; Smith, Michael B. Less -
NOAA Program & Office:

NWS (National Weather Service) ; OWP (Office of Water Prediction)

NWS (National Weather Service) ; OWP (Office of Water Prediction) Less -
Description:

Over the summer of 2015, the National Water Center hosted the National Flood Interoperability Experiment (NFIE) Summer Institute. The NFIE organizers introduced a national‐scale distributed hydrologic modeling framework that can provide flow estimates at around 2.67 million reaches within the continental United States. The framework generates discharges by coupling a given Land Surface Model (LSM) with the Routing Application for Parallel Computation of Discharge (RAPID). These discharges are then accumulated through the National Hydrography Dataset Plus stream network. The framework can utilize a variety of LSMs to provide the runoff maps to the routing component. The results obtained from this framework suggested that there still exists room for further enhancements to its performance, especially in the area of peak timing and magnitude. The goal of our study was to investigate a single source of the errors in the framework's discharge estimates, which is the routing component. The authors substitute RAPID which is based on the simplified linear Muskingum routing method by the nonlinear routing component the Iowa Flood Center have incorporated in their full hydrologic Hillslope‐Link Model. Our results show improvement in model performance across scales due to incorporating new routing methodology.
Keywords:

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Earth-Surface Processes Ecology Water Science And Technology
Source:

JAWRA Journal of the American Water Resources Association, 54(3), 742-751
DOI:

https://doi.org/10.1111/1752-1688.12627
ISSN:

1093-474X;1752-1688;
Format:

PDF
Publisher:

Wiley
Document Type:

Journal Article
Rights Information:

Accepted Manuscript
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Library
Main Document Checksum:

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urn:sha-512:9e034d5a990d376a15691d01467eb019b0b0c87010c38d4576d72111ebb6d058a8b08a1b3fbc5659a549424f4ffc1a562d554c1785321e9c14521412f337b980
Download URL:

https://repository.library.noaa.gov/view/noaa/63607/noaa_63607_DS1.pdf
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