Hurricanes, El Niño And Harmful Algal Blooms In Two Sub-Tropical Florida Estuaries: Direct And Indirect Impacts

Phlips, Edward J.; Badylak, Susan; Nelson, Natalie G.; Havens, Karl E.

doi:10.1038/s41598-020-58771-4

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Hurricanes, El Niño And Harmful Algal Blooms In Two Sub-Tropical Florida Estuaries: Direct And Indirect Impacts

2020
By Phlips, Edward J. ; Badylak, Susan ; Nelson, Natalie G. ; ...
Source: Sci Rep 10, 1910 (2020)

[PDF-4.44 MB]

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Journal Title:

Scientific Reports
Personal Author:

Phlips, Edward J. ; Badylak, Susan ; Nelson, Natalie G. ; Havens, Karl E.

Phlips, Edward J. ; Badylak, Susan ; Nelson, Natalie G. ; Havens, Karl E. Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

FLSGP (Florida Sea Grant)
Description:

Future increases in the intensity of hurricanes and El Niño periods predicted by climate change models have focused attention on their role in stimulating harmful algal blooms (HABs). A series of hurricanes that recently impacted Florida (USA) provided a unique opportunity to explore the relationships between hurricanes, El Niño and HABs in two Florida estuaries subject to repeated intense ecosystem disruptive HABs, the Indian River Lagoon and the St. Lucie Estuary. The roles that hurricanes and El Niño play in contributing to HAB events are examined in the context of key structural and functional features of each estuary and their watersheds, including morphology, water residence time and hydrology, such as the influence of Lake Okeechobee discharges into the St. Lucie Estuary. The most direct impact was the increase in rainfall associated with hurricanes and El Niño, resulting in enhanced nutrient loads which drive HABs in the Indian River Lagoon and Lake Okeechobee. Major HABs in Lake Okeechobee also present an indirect threat of freshwater HAB blooms in the St. Lucie Estuary via mandated discharges from the lake into the estuary during high rainfall periods. Conversely, during the absence of HABs in Lake Okeechobee, short water residence times produced by discharges into the St. Lucie Estuary can result in lower bloom intensities.
Keywords:

[+]

Algal Blooms Cyclones El Niño Current Estuaries Hurricanes
Source:

Sci Rep 10, 1910 (2020)
DOI:

https://doi.org/10.1038/s41598-020-58771-4
Sea Grant Document Number:

FLSGP-R-20-009
Document Type:

Journal Article
Place as Subject:

Okeechobee, Lake (Fla.)
Rights Information:

CC BY
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:559f09649d557ace9778d5c843cdf10af107354ddbb4e0ba565e214588c671b0
Download URL:

https://repository.library.noaa.gov/view/noaa/37330/noaa_37330_DS1.pdf
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Hurricanes, El Niño And Harmful Algal Blooms In Two Sub-Tropical Florida Estuaries: Direct And Indirect Impacts

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