Lake-wide phytoplankton production and abundance in the Upper Great Lakes: 2010-2013

Fahnenstiel, Gary L.; Sayers, Michael J.; Shuchman, Robert A.; Yousef, F.; Pothoven, Steven A.

doi:10.1016/j.jglr.2016.02.004

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Lake-wide phytoplankton production and abundance in the Upper Great Lakes: 2010-2013

2016
By Fahnenstiel, Gary L. ; Sayers, Michael J. ; Shuchman, Robert A. ; ...
Source: Journal of Great Lakes Research, 42(3), 619-629.

[PDF-814.33 KB]

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Journal Title:

Journal of Great Lakes Research
Personal Author:

Fahnenstiel, Gary L. ; Sayers, Michael J. ; Shuchman, Robert A. ; Yousef, F. ; Pothoven, Steven A.

Fahnenstiel, Gary L. ; Sayers, Michael J. ; Shuchman, Robert A. ; Yousef, F. ; Pothoven, Steven A. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GLERL (Great Lakes Environmental Research Laboratory)

OAR (Oceanic and Atmospheric Research) ; GLERL (Great Lakes Environmental Research Laboratory) Less -
Description:

Lake-wide phytoplankton chlorophyll a concentrations and primary production were determined for lakes Huron, Michigan, and Superior in 2010-2013. Chlorophyll a concentrations were determined using MODIS imagery with a color-producing agent algorithm and primary production with the Great Lakes Production Model using remotely sensed and empirically derived input from the Upper Great Lakes. The new chlorophyll a and primary production estimates agreed well with field measurements. Lake-wide mean chlorophyll a concentrations determined from observations in all 12 months were highest in Lake Superior (mean = 0.99 mg/m(3)), intermediate in Lake Michigan (mean = 0.88 mg/m(3)), and lowest in Lake Huron (mean = 0.77 mg/m(3)). In Lake Superior, a gradient in chlorophyll a concentrations was noted from the shallow zone (0-30 m, mean = 1.57 mg/m(3)) to the deep-water zone (> 150 m, mean = 0.94 mg/m(3)). However, in Lake Michigan, no differences in mean chlorophyll a concentrations were noted in shallow-, mid-, or deep-water zones (means, 0.83, 0.86, 0.90 mg/m(3), respectively). Lake-wide areal integrated primary production rates in lakes Huron, Michigan, and Superior were not significantly different for the 2010-2013 period (means, 216, 259, and 228 mg C/m(2)/d, respectively). Also, primary production in all depth zones (shallow, mid, and deep) were similar across lakes. Annual whole-lake phytoplankton carbon fixation values for 2010-2013 ranged from 4.4 to 5.7 Tg/y for Lake Huron, 5.0-7.2 Tg/y for Lake Michigan, and 6.4-9.5 Tg/y for Lake Superior. (C) 2016 International Association for Great Lakes Research. Published by Elsevier B.V. All rights reserved.
Keywords:

[+]

Carbon Chlorophyll A Remote Sensing
Source:

Journal of Great Lakes Research, 42(3), 619-629.
DOI:

https://doi.org/10.1016/j.jglr.2016.02.004
Document Type:

Journal Article
Place as Subject:

Huron, Lake ; Michigan, Lake ; Superior, Lake

Huron, Lake ; Michigan, Lake ; Superior, Lake Less -
Rights Information:

Accepted Manuscript
Rights Statement:

This manuscript version is made available under the Elsevier user license http://www.elsevier.com/open-access/userlicense/1.0/
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:58a21b3de8ee68f975c3d1250dfbedb006289f4cc0761fe60e7df58d9d7a4885
Download URL:

https://repository.library.noaa.gov/view/noaa/13058/noaa_13058_DS1.pdf
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Lake-wide phytoplankton production and abundance in the Upper Great Lakes: 2010-2013

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