Hydrographic cruises to provide the seasonal cross-isobath and along-isobath descriptions of the physical, chemical and biological descriptors of the shelf ecosystem of the West Florida shelf to support ECOHAB, 1998-06 to 1999-12 (NODC Accession 0000539)
Harmful algal blooms of the toxic dinoflagellate, Karenia brevis, have caused massive fish kills in the Gulf of Mexico since the 1500's, with most occurrences on the west coast of Florida. In 1996, the list of states that have experiences natural resource, public health and economic impacts related to this organism expanded, with the addition of Alabama, Mississippi, and Louisiana, to include all the Gulf-coast states and North Carolina. Estimates of economic impacts to Florida and North Carolina from two moderate intensity blooms ranged from 15 to 25 million dollars respectively. The harmful impacts caused by Karenia brevis occur only when cell concentrations increase significantly above low background concentrations that are present year-round in the Eastern Gulf of Mexico. Once a bloom has developed offshore in typically oligotrophic waters, cell concentrations at the 105 level can be maintained for months. During 21 of the past 22 years, red tide blooms have been observed within the region between Tampa Bay and Charlotte Harbor.
The key to understanding any HAB lies in knowing how one algal species has adapted and come to dominate in its particular realm of physical, biological and chemical conditions. Our ability to predict initiation, maintenance, and dispersal of blooms on the Florida shelf has been severely limited by the lack of a quantitative description , or model, of their population dynamics and the physical, biological and chemical regime in which they are embedded. The modeling components of this project will incorporate the quantitative description of blooms and their surrounding environment provided by the field and laboratory portions of this project. The field component will employ a set of monthly hydrographic cruises. Purpose: 1. Model the initiation, maintenance, and export of K. brevis red tides on the west Florida shelf at different time and space scales to predict landfall 2. Describe the physical habitat that effects transport and concentration of K. brevis 3. Determine the sources of inorganic and organic nutrients that allow growth and persistence of large K. brevis populations in coastal waters.
The key to understanding any HAB lies in knowing how one algal species has adapted and come to dominate in its particular realm of physical, biological and chemical conditions. Our ability to predict initiation, maintenance, and dispersal of blooms on the Florida shelf has been severely limited by the lack of a quantitative description , or model, of their population dynamics and the physical, biological and chemical regime in which they are embedded. The modeling components of this project will incorporate the quantitative description of blooms and their surrounding environment provided by the field and laboratory portions of this project. The field component will employ a set of monthly hydrographic cruises. Purpose: 1. Model the initiation, maintenance, and export of K. brevis red tides on the west Florida shelf at different time and space scales to predict landfall 2. Describe the physical habitat that effects transport and concentration of K. brevis 3. Determine the sources of inorganic and organic nutrients that allow growth and persistence of large K. brevis populations in coastal waters.
- Cite as: Steely, Teresa; University of South Florida - St. Petersburg (2011). Hydrographic cruises to provide the seasonal cross-isobath and along-isobath descriptions of the physical, chemical and biological descriptors of the shelf ecosystem of the West Florida shelf to support ECOHAB, 1998-06 to 1999-12 (NODC Accession 0000539). Version 1.1. National Oceanographic Data Center, NOAA. Dataset. [access date]
gov.noaa.nodc:0000539
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Ordering Instructions | Data may be searched and downloaded using online services provided by NCEI using the online resource URLs in this record. Contact NCEI Information Services for custom orders. When requesting data from NCEI, the desired data set may be referred to by the unique package identification number listed in this metadata record. |
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DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce 301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact | Information Services DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce 301-713-3277 NCEI.Info@noaa.gov |
Time Period | 1998-06-01 to 1999-12-31 |
Spatial Bounding Box Coordinates |
N: 27.6
S: 26.1
E: -82.2
W: -84.5
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Edition | 1.1 |
Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns |
Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | As needed |
Supplemental Information | ECOHAB (ECology and Oceanography of Harmful Algal Blooms) is a scientific program designed to increase understanding of the fundamental processes underlying the impacts and population dynamics of HABs. This program addresses the many factors at organismal, population, community, and ecosystem levels that determine how HAB species respond to, and potentially alter their environment, the manner in which HAB species affect food-web and community interactions. The program is based on the results of a workshop co-sponsored by National Oceanic and Atmospheric Administration (NOAA) and National Science Foundation (NSF) and currently receives funding from several federal partners including NOAA, NSF, the U.S. Navy and the U.S. Environmental Protection Agency (EPA). |
Purpose | Basic research |
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Last Modified: 2016-11-18T14:31:42
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