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Cited by 398

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Fluorescence Tracking of Dissolved and Particulate Organic Matter Quality in a River-Dominated Estuary

Osburn, Christopher L., Handsel, Lauren T., Mikan, Molly P., Paerl, Hans W., Montgomery, Michael T.·2012·Environmental Science & Technology

Abstract

Excitation-emission matrix (EEM) fluorescence was combined with parallel factor analysis (PARAFAC) to model base-extracted particulate (POM) and dissolved (DOM) organic matter quality in the Neuse River Estuary (NRE), North Carolina, before and after passage of Hurricane Irene in August 2011. Principle components analysis was used to determine that four of the PARAFAC components (C1-C3 and C6) were terrestrial sources to the NRE. One component (C4), prevalent in DOM of nutrient-impacted streams and estuaries and produced in phytoplankton cultures, was enriched in the POM and in surface sediment pore water DOM. One component (C5) was related to recent autochthonous production. Photoexposure of unfiltered Neuse River water caused an increase in slope ratio values (S(R)) which corresponded to an increase in the ratio C2:C3 for DOM, and the production of C4 fluorescence in both POM and DOM. Changes to the relative abundance of C4 in POM and DOM indicated that advection of pore water DOM from surface sediments into overlying waters could increase the autochthonous quality of DOM in shallow microtidal estuaries. Modeling POM and DOM simultaneously with PARAFAC is an informative technique that is applicable to assessments of estuarine water quality.

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Metadata

Authors
Osburn, C. L., Handsel, L. T., Mikan, M. P., Paerl, H. W., & Montgomery, M. T.
Venue
Environmental Science & Technology
Published
2012-07-30
Volume
46
Issue
16
Pages
8628-8636
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2080751689
Cited by
398
References
37
FWCI
11.40
Type
journal article
Language
en
Open access
closed

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