Record Display for the EPA National Library Catalog

RECORD NUMBER: 6 OF 15

OLS Field Name OLS Field Data
Main Title Modelling nutrient and chlorophyll_a dynamics in an Irish brackish waterbody /
Author Hartnett, M.,
Other Authors
Author Title of a Work
Nash, S.,
Publisher [publisher not identified],
Year Published 2014
OCLC Number 959239611
Internet Access
Description Access URL
http://hdl.handle.net/10379/3974
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
ELBM  QH541.5.E8H37 2014 AWBERC Library/Cincinnati,OH 10/05/2016
Collation 31 unnumbered pages : illustrations, maps ; 28 cm
Notes
Cover title. Published version appears in Environmental Modelling & Software, vol.19, Issue 1, January 2004, Pages 47–56.
Contents Notes
This paper presents aspects of a research investigation into nutrient fluxes into and out of an important Irish estuary, Wexford Harbour, located in the southeast of Ireland. Details of the methodology applied, the data collection and analysis and the models used are outlined. In particular, the paper addresses modelling of chlorophyll-a production in the brackish waterbody and its dependency on light attenuation.There are three distinct stages to the research carried out: (i) collection, collation and analysis of physical, chemical and biological water quality variables; (ii) development, validation and application of a chlorophyll-a production model; (iii) development of a Geographic Information System.The nutrient and chlorophyll-a production model simulates nine interactive water quality parameters; during the first stage these above parameters were measured to provide initial conditions for the model and for calibration purposes. From measurements, relationships were derived between the water quality variables and salinity, which were used to specify initial spatially varied values of the parameters to the model at different seasons. A relationship was also developed between light intensity, turbidity and concentrations of chlorophyll-a, based on field measurements. This relationship was incorporated into the model. The paper presents chlorophyll-a predictions using this relationship and illustrates how the enhanced model can be used as an accurate modelling tool for managing coastal ecosystems. The water quality model was incorporated into the ArcView GIs system providing an easy-to-use graphical user interface to run simulations and interrogate-results.