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Incorporation and Testing of Revised Algorithms for the Aquatic Plant Growth Model, ECOL

Alison Humphries and William James (2000)
Credit Valley Conservation Authority, Canada
University of Guelph, Canada
DOI: https://doi.org/10.14796/JWMM.R206-19
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Abstract

Growth of aquatic plants growth in river systems responds to phosphorus enrichment and creates fluctuations in dissolved oxygen. Most aquatic plant models simulate the growth of a single generalized specie and therefore cannot account for the wide variability in growth patterns shown by differing species. ECOL, an aquatic plant growth model developed in the late 1970s, was incorporated into the Grand River Simulation Model (GRSM) to model the growth of the three main plant species found in the Grand River watershed: Cladophora glomerata, Potamogeton pectinatus and Myriophyllum spicatum. ECOL calculates plant uptake of phosphorus, biomass production and loss, and the resulting production and consumption of dissolved oxygen (DO), using a 2 h time step.

New algorithms to improve the sub-models in ECOL for light, temperature and phosphorus were developed and tested in this study. The present work evaluated and corrected sources of error in GRSM96, recalibrated the improved model and identified and quantified remaining weaknesses. The resulting model, GRSM98AH, has an average error between computed and observed DO of 19.6%, which was regarded as satisfactory.

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PAPER INFO

Identification

CHI ref #: R206-19 1031
Volume: 8
DOI: https://doi.org/10.14796/JWMM.R206-19
Cite as: JWMM 8: R206-19

Publication History

Received: N/A
First decision: N/A
Accepted: N/A
Published: February 15, 2000

Status

# reviewers: 2
Version: Final published

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© 2000 CHI.
Some rights reserved.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

All papers published in the JWMM are licensed under a Creative Commons Attribution 4.0 International License (CC BY).

JWMM content can be downloaded, printed, copied, distributed, and linked-to, when providing full attribution to both the author/s and JWMM.


AUTHORS

Alison Humphries

Credit Valley Conservation Authority, Mississauga, ON, Canada
ORCiD:

William James

University of Guelph, Guelph, ON, Canada
ORCiD:


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creative commons license   JWMM content is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0 DEED)


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