Indicators of Coastal Water Quality

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Change in Chlorophyll-a Concentration, v1 (1998 – 2007)

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Identification Information:

Citation:
Citation Information:
Originator: Goddard Space Flight Center - GSFC, and Center for International Earth Science Information Network - CIESIN - Columbia University
Publication Date: 20091231
Publication Time:
Title:
Indicators of Coastal Water Quality: Change in Chlorophyll-a Concentration 1998-2007
Edition: 1.00
Geospatial Data Presentation Form: tabular, map, map service
Series Information:
Series Name:
Issue Identification:
Publication Information:
Publication Place: Palisades, NY
Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Other Citation Details:
Online Linkage: https://doi.org/10.7927/H48W3B88
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Description:
Abstract:
The Change in Chlorophyll-a Concentrations 1998-2007 component of the Indicators of Coastal Water Quality Collection represents a tabular time series of the chlorophyll-a concentrations for each grid cell, derived from the "Indicators of Coastal Water Quality: Annual Chlorophyll-a Concentration 1998-2007" data set. Chlorophyll-a concentrations are derived from NASA's Sea-viewing Wide Field-of-view Sensor (SeaWiFS). The grid cells are organized by country, and the percentage of change from 1998-2007 is calculated for each cell. Each time series was assessed with a linear regression, and cells with statistically significant trends in chlorophyll-a concentrations are identified. The rows of the table are linked to a sequence grid from the "Indicators of Coastal Water Quality: Ancillary Data" collection to facilitate the mapping of the trend values for selected countries and areas of interest. The data are processed and compiled by the Columbia University Center for International Earth Science Information Network (CIESIN).
Purpose:
To provide tabular data on the trends of chlorophyll-a concentration on a pixel by pixel basis for identifying areas with improving, declining, and stable coastal water quality that can provide guidance for decision making in the context of coastal management.
Supplemental Information:
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Range of Dates/Times:
Beginning Date: 1998
Beginning Time:
Ending Date: 2007
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Currentness Reference:
publication date
Status:
Progress: Complete
Maintenance and Update Frequency: As needed
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -180.000000
East Bounding Coordinate: 180.000000
North Bounding Coordinate: 90.000000
South Bounding Coordinate: -90.000000
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Keywords:
Theme:
Theme Keyword Thesaurus: ISO Topic
Theme Keyword: Oceans
Theme:
Theme Keyword Thesaurus: Data Granularity
Theme Keyword: Country
Theme:
Theme Keyword Thesaurus: SEDAC Theme
Theme Keyword: Conservation
Theme Keyword: Health
Theme Keyword: Marine and Coastal
Theme Keyword: Remote Sensing
Theme Keyword: Sustainability
Theme:
Theme Keyword Thesaurus: GCMD Science Keywords, Version 8.6
Theme Keyword: EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL
Place:
Place Keyword Thesaurus: CIESIN Location Terms, version 3.0
Place Keyword: Equatorial
Place Keyword: Global
Place Keyword: Mid-Latitude
Place Keyword: North America
Place Keyword: Oceania
Place Keyword: Polar
Place Keyword: South America
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Access Constraints: None
Use Constraints:
The Goddard Space Flight Center (GSFC) and Trustees of Columbia University in the City of New York hold the copyright of this data set. Users are prohibited from any commercial, non-free resale, or redistribution without explicit written permission from GSFC or CIESIN. Users should acknowledge GSFC and CIESIN as the source used in the creation of any reports, publications, new data sets, derived products, or services resulting from the use of this data set. GSFC or CIESIN also request reprints of any publications and notification of any redistributing efforts.
Point of Contact:
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Contact Organization Primary:
Contact Organization: NASA Socioeconomic Data and Applications Center (SEDAC)
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Address Type: mailing and physical address
Address:
CIESIN, Columbia University, 61 Route 9W, P.O. Box 1000
City: Palisades
State or Province: NY
Postal Code: 10964
Country: USA
Contact Voice Telephone: +1 845-365-8920
Contact TDD/TTY Telephone:
Contact Facsimile Telephone: +1 845-365-8922
Contact Electronic Mail Address: ciesin.info@ciesin.columbia.edu
Hours of Service:
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Browse Graphic:
Browse Graphic File Name: https://sedac.ciesin.columbia.edu/downloads/maps/icwq/icwq-change-in-chlorophyll-a-concentration-1998-2007/chlorophyll-a-trends-1998-2007-black-sea-thumbnail.jpg
Browse Graphic File Description:
% Chlorophyll-a Concentration Change (1998-2007): Black Sea
Browse Graphic File Type: JPEG
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Citation Information:
Originator: Goddard Space Flight Center - GSFC, and Center for International Earth Science Information Network - CIESIN - Columbia University
Publication Date: 20091231
Publication Time:
Title:
Indicators of Coastal Water Quality: Annual Chlorophyll-a Concentration 1998-2007
Edition: 1.00
Geospatial Data Presentation Form: raster
Series Information:
Series Name:
Issue Identification:
Publication Information:
Publication Place: Palisades, NY
Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Other Citation Details:
Online Linkage: https://doi.org/10.7927/H4DN4300
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Originator: Goddard Space Flight Center - GSFC, and Center for International Earth Science Information Network - CIESIN - Columbia University
Publication Date: 20091231
Publication Time:
Title:
Indicators of Coastal Water Quality: Ancillary Data
Edition: 1.00
Geospatial Data Presentation Form: vector, raster
Series Information:
Series Name:
Issue Identification:
Publication Information:
Publication Place: Palisades, NY
Publisher: NASA Socioeconomic Data and Applications Center (SEDAC)
Other Citation Details:
Online Linkage: https://doi.org/10.7927/H4J96490
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Yearly concentrations contained in "Indicators of Coastal Water Quality: Annual Chlorophyll-a Concentration 1998-2007" were combined into a time series table, and the following statistics were calculated to characterize trends over time: slope of regression of chlorophyll-a concentration on year (SLOPE), r-square values of regression (R2), change in percent between 1998 and 2007 (expressed relative to 1998) (CHANGE), and p-value of regression (P). Percentage change from all grid cells showing significant trends were combined in the column SCHANGE, and cells with non-significant trends were given the value -999999. Region assignments followed UN classifications. For more details on procedures, see project documentation available at http://sedac.ciesin.columbia.edu/es/seawifs.html.
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Contact Organization Primary:
Contact Organization: NASA Socioeconomic Data and Applications Center (SEDAC)
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Contact Position:
Contact Address:
Address Type: mailing and physical address
Address:
CIESIN, Columbia University, 61 Route 9W, P.O. Box 1000
City: Palisades
State or Province: NY
Postal Code: 10964
Country: USA
Contact Voice Telephone: +1 845-365-8920
Contact TDD/TTY Telephone:
Contact Facsimile Telephone: +1 845-365-8922
Contact Electronic Mail Address: ciesin.info@ciesin.columbia.edu
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Resource Description: CIESIN_SEDAC_ICWQ_CCHLOA
Distribution Liability:
CIESIN follows procedures designed to ensure that data disseminated by CIESIN are of reasonable quality. If, despite these procedures, users encounter apparent errors or misstatements in the data, they should contact SEDAC User Services at +1 845-365-8920 or via email at ciesin.info@ciesin.columbia.edu. Neither CIESIN nor NASA verifies or guarantees the accuracy, reliability, or completeness of any data provided. CIESIN provides this data without warranty of any kind whatsoever, either expressed or implied. CIESIN shall not be liable for incidental, consequential, or special damages arising out of the use of any data provided by CIESIN.
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The data in Microsoft Excel (XLS) and Comma-Separated Values (CSV) formats, maps in Portable Document Format (PDF) and Joint Photographic Experts Group (JPG) formats, and web map services are available from the from the NASA Socioeconomic Data and Applications Center (SEDAC).
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Network Resource Name: https://sedac.ciesin.columbia.edu/data/set/icwq-change-in-chlorophyll-a-concentration-1998-2007/data-download
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Data accessible via the data set landing page.
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Network Resource Name: https://sedac.ciesin.columbia.edu/data/set/icwq-change-in-chlorophyll-a-concentration-1998-2007/data-download
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Data accessible via the data set landing page.
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Network Resource Name: https://sedac.ciesin.columbia.edu/data/set/icwq-change-in-chlorophyll-a-concentration-1998-2007/maps
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Maps accessible via the data set landing page.
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Network Resource Name: https://sedac.ciesin.columbia.edu/data/set/icwq-change-in-chlorophyll-a-concentration-1998-2007/maps
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Maps accessible via the data set landing page.
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Network Resource Name: https://sedac.ciesin.columbia.edu/data/set/icwq-change-in-chlorophyll-a-concentration-1998-2007/maps/services
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Beginning Date: 20091231
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Ending Date: Present
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Metadata Reference Information:

Metadata Date: 20090715
Metadata Review Date: 20190508
Metadata Future Review Date:
Metadata Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Center for International Earth Science Information Network (CIESIN) Metadata Administration
Contact Person:
Contact Position:
Contact Address:
Address Type: mailing and physical address
Address:
CIESIN, Columbia University, 61 Route 9W, P.O. Box 1000
City: Palisades
State or Province: NY
Postal Code: 10964
Country: USA
Contact Voice Telephone: +1 845-365-8988
Contact TDD/TTY Telephone:
Contact Facsimile Telephone: +1 845-365-8922
Contact Electronic Mail Address: metadata@ciesin.columbia.edu
Hours of Service:
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Metadata Standard Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata Standard Version: FGDC-STD-001-1998
Metadata Time Convention: universal time
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