NOAA Coral Reef Watch Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching Alert Area Product

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information
• CoRIS

Identification_Information:

Citation:

Citation_Information:

Originator: NOAA Coral Reef Watch program

Publication_Date: 20071011

Title:

NOAA Coral Reef Watch Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching Alert Area Product

Edition: One

Geospatial_Data_Presentation_Form: Remote sensing image, KML, Google Earth, webpage

Publication_Information:

Publication_Place: Silver Spring, Maryland, USA

Publisher: NOAA Coral Reef Watch program

Online_Linkage: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>

Description:

Abstract:

The NOAA Coral Reef Watch (CRW) Enhanced 50-km (E-50) Satellite Coral Bleaching Alert Area product is part of the CRW experimental near-real-time global Enhanced 50-km (E-50) satellite coral bleaching thermal stress monitoring product suite that enhances the CRW operational near-real-time global 50-km satellite coral bleaching thermal stress monitoring product suite. The enhanced (E-50) product suite was launched on September 30, 2009. Its counterpart, the operational product suite, was implemented initially in 2000. Both product suites provide updated monitoring information twice-weekly. This metadata file provides information on the E-50 Bleaching Alert Area product for both the most recent near-real-time updates and the archived E-50 Bleaching Alert Area product, dating back to October 2007, when the E-50 Bleaching Alert Area product first became available. The satellite Bleaching Alert Area identifies, for the twice-weekly time period ending on the day indicated in the product, locations where thermal stress reaches various levels that can lead to coral bleaching. A scale of five coral bleaching thermal stress levels - No Stress, Bleaching Watch, Bleaching Warning, and Bleaching Alert Levels 1 and 2 - is used. The thermal stress classification is described in detail at the operational Bleaching Alert Area webpage: <http://coralreefwatch.noaa.gov/satellite/baa/index.html>. Both the Bleaching Alert Area and the level of stress defined by the product are derived from CRW's Coral Bleaching HotSpots and Degree Heating Weeks (DHW) values, measured at each site for any given twice-weekly time period. The DHW product (a key tool in both CRW's operational and E-50 coral bleaching monitoring product suites) measures accumulation of bleaching thermal stress that coral reefs experience over a period of 12 consecutive weeks (about 3 months), ending on the day indicated in the DHW product. The DHW product is derived from the Coral Bleaching HotSpots product (another key tool in the CRW product suites). A Coral Bleaching HotSpot is a specific type of sea surface temperature (SST) anomaly that measures the amount of SST exceeding a static coral bleaching threshold SST; it serves as a measure of instantaneous bleaching thermal stress and shows the occurrence, magnitude, and spatial distribution of the stress. All non-positive HotSpot values are recorded as zeros. The DHW value (again, a measurement of accumulated thermal stress) is, in its most simplistic form, the sum of all of the individual twice-weekly HotSpot values at any particular location, within a 12-week period and with a magnitude of at least 1 degree Celsius, multiplied by the duration of the twice-weekly HotSpot value (i.e., 0.5 weeks). A more complicated formula describing how the DHW value is calculated can be obtained at: <http://coralreefwatch.noaa.gov/satellite/methodology/methodology.html#dhw>. One DHW is equivalent to one week of SST at 1 degree Celsius above the threshold, or 0.5 weeks of SST at two degrees Celsius above the threshold. CRW's E-50 HotSpots product that CRW's E-50 DHW and E-50 Bleaching Alert Area are derived from is calculated from CRW's E-50 SST, based on near-real-time satellite data from the Advanced Very High Resolution Radiometer (AVHRR) on some of NOAA's Polar Orbiting Environmental Satellites (POES), as with the operational SST. CRW's entire experimental E-50 satellite coral bleaching thermal stress monitoring product suite is based on the enhanced 50-km SST product. The E-50 HotSpots and E-50 DHW products, as well as the resulting E-50 Bleaching Alert Area products, provide two major improvements over the current operational 50-km DHW and Bleaching Alert Area products: full coastal coverage and improved climatology. The E-50 SST product that the entire E-50 product suite is based on produces SST data for areas closer to the coast globally. This is achieved through the use of a higher-resolution land mask and retrieval of satellite data in coastal regions excluded from analysis by the operational land mask. Availability of satellite data for coastal areas greatly improves monitoring of coral reef ecosystems, the majority of which occur along coasts. While the current operational SST product enables direct monitoring of only 40% of the world's coral reefs, this E-50 SST product uses the new 50-km land mask to provide SST monitoring for more than 99% of 50-km pixels that contain coral reefs globally. CRW's operational HotSpots that the operational DHW and Bleaching Alert Area products are derived from, are sensitive to errors in the climatology (long-term average conditions) used in the analysis. The E-50 climatology, used to develop the E-50 product suite, improves the overall accuracy of CRW products. It uses the 1985-2006 Version 5.0 Pathfinder 4-km AVHRR SSTs to address known climatology errors in CRW's operational 50-km product suite. Errors include overestimation of the operational 50-km HotSpots, DHW, and Bleaching Alert Area in certain regions, such as the Gulf of Panama and Gulf of Oman. Related details, as well as other important information, are provided on the E-50 portion of the CRW web site: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>. The E-50 Bleaching Alert Area product is available in static image and Google Earth formats. The product, its detailed description, and available data formats and delivery mechanisms are accessible at <http://coralreefwatch.noaa.gov/satellite>, along with general CRW product information and access to other CRW products.

Purpose:

The NOAA Coral Reef Watch program seeks to fully utilize space-based sea surface temperature (SST) observations, combined with in-situ data, to continually monitor for early indications of thermally-induced coral reef bleaching worldwide. A suite of monitoring and prediction products, including the product described in these metadata, has been developed by CRW as a decision support system to provide critical and timely coral reef environment information to the U.S. and international coral reef communities.

Supplemental_Information:

The entire suite of products mentioned in this metadata file is accessible at: <http://coralreefwatch.noaa.gov/satellite>

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20071011

Ending_Date: Present

Currentness_Reference: Ground Condition

Status:

Progress: In Work

Maintenance_and_Update_Frequency: Twice-weekly

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -180.0

East_Bounding_Coordinate: 180.0

North_Bounding_Coordinate: 45.0

South_Bounding_Coordinate: -45.0

Keywords:

Theme:

Theme_Keyword_Thesaurus: CoRIS Theme Thesaurus

Theme_Keyword:

EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Bleaching Alert Area

Theme_Keyword:

EARTH SCIENCE > Oceans > Ocean Temperature > Sea Surface Temperature > AVHRR

Theme:

Theme_Keyword_Thesaurus: CoRIS Discovery Thesaurus

Theme_Keyword: Map Images > Sea Surface Temperature

Theme:

Theme_Keyword_Thesaurus: none

Theme_Keyword: NOAA

Theme_Keyword: CoRIS

Theme_Keyword: Coral Reef Watch

Theme_Keyword: POES

Theme_Keyword: Polar Orbiting Environmental Satellite

Theme_Keyword: chart

Theme_Keyword: oceanography

Theme_Keyword: SST anomaly

Theme_Keyword: temperature anomaly

Theme_Keyword: sea surface temperature anomaly

Theme_Keyword: HotSpot accumulation

Theme_Keyword: coral bleaching HotSpot

Theme_Keyword: accumulation

Theme_Keyword: monitoring

Theme_Keyword: assessment

Theme_Keyword: remote sensing

Theme_Keyword: satellite

Theme_Keyword: image

Theme_Keyword: map

Theme_Keyword: AVHRR

Theme_Keyword: SST

Theme_Keyword: sea surface

Theme_Keyword: sea surface temperature

Theme_Keyword: temperature

Theme_Keyword: HotSpot

Theme_Keyword: Degree Heating Week

Theme_Keyword: Bleaching Alert Area

Theme_Keyword: thermal stress

Theme_Keyword: stress

Theme_Keyword: decision support system

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category

Theme_Keyword: oceans

Theme_Keyword: 014

Place:

Place_Keyword_Thesaurus: CoRIS Place Thesaurus

Place_Keyword: OCEAN BASIN > Pacific Ocean

Place_Keyword: OCEAN BASIN > Atlantic Ocean

Place_Keyword: OCEAN BASIN > Indian Ocean

Place_Keyword:

OCEAN BASIN > Atlantic Ocean > Caribbean Sea > Virgin Islands > Lesser Antilles > U. S. Virgin Islands (17N064W0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > U. S. Virgin Islands > U. S. Virgin Islands > U. S. Virgin Islands (17N064W0000)

Place_Keyword:

OCEAN BASIN > Atlantic Ocean > Caribbean Sea > Navassa Island > Navassa Island > Navassa Island (18N075W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Navassa Island > Navassa Island > Navassa Island (18N075W0001)

Place_Keyword:

OCEAN BASIN > Atlantic Ocean > Caribbean Sea /North Atlantic Ocean > Puerto Rico > Puerto Rico (18N066W0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Puerto Rico > Puerto Rico (18N066W0000)

Place_Keyword:

OCEAN BASIN > Atlantic Ocean > Gulf of Mexico > Flower Garden Banks > West Flower Garden Banks (27N093W0002)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Texas > West Flower Garden Banks (27N093W0002)

Place_Keyword:

OCEAN BASIN > Atlantic Ocean > Gulf of Mexico > Flower Garden Banks > East Flower Garden Banks (27N093W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Texas > East Flower Garden Banks (27N093W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands (28N178W0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Northwestern Hawaiian Islands (28N178W0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Hawaii > Hawaii (21N160W0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Hawaii > Hawaii > Hawaii (21N160W0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > American Samoa > American Samoa (14S170W0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > American Samoa > American Samoa > American Samoa (14S170W0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Johnston Atoll > Johnston Atoll (16N169W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Johnston Atoll (16N169W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Line Islands > Jarvis Island (00S160W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Jarvis Island (00S160W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Line Islands > Kingman Reef (06N162W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Kingman Reef (06N162W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Line Islands > Palmyra Atoll (05N162W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Palmyra Atoll (05N162W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Howland Island > Howland Island (00S176W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Howland Island (00S176W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Baker Island > Baker Island (00N176W0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Baker Island (00N176W0001)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Guam > Guam (13N144E0000)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > Guam > Guam (13N144E0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Carolines > Palau ( Belau ) (07N134E0000)

Place_Keyword:

COUNTRY/TERRITORY > Palau > Palau > Palau ( Belau ) (07N134E0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Carolines > Micronesia (07N150E0000)

Place_Keyword: COUNTRY/TERRITORY > Micronesia > Micronesia (07N150E0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Marshall Islands > Marshall Islands (09N168E0000)

Place_Keyword:

COUNTRY/TERRITORY > Marshall Islands > Marshall Islands > Marshall Islands (09N168E0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Mariana Archipelago > Northern Mariana Islands ( CNMI ) (18N146E0000)

Place_Keyword:

COUNTRY/TERRITORY > Northern Mariana Islands > Northern Mariana Islands > Northern Mariana Islands ( CNMI ) (18N146E0000)

Place_Keyword:

OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Wake Atoll > Wake Atoll (19N167E0001)

Place_Keyword:

COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Wake Atoll (19N167E0001)

Place_Keyword: COUNTRY/TERRITORY > United States of America > Florida

Place_Keyword: OCEAN BASIN > Atlantic Ocean > North Atlantic Ocean > Florida

Place_Keyword: OCEAN BASIN > Atlantic Ocean > Gulf of Mexico > Florida

Place:

Place_Keyword_Thesaurus: CoRIS Region

Place_Keyword: MHI

Place_Keyword: NWHI

Place_Keyword: Guam

Place_Keyword: CNMI

Place_Keyword: AmSam

Place_Keyword: PRIA

Place_Keyword: Florida

Place_Keyword: FGB

Place_Keyword: PR

Place_Keyword: USVI

Place_Keyword: Navassa

Place_Keyword: Palau

Place_Keyword: FSM

Place_Keyword: RMI

Place:

Place_Keyword_Thesaurus: none

Place_Keyword: Western hemisphere

Place_Keyword: Eastern hemisphere

Place_Keyword: Atlantic Ocean

Place_Keyword: Pacific Ocean

Place_Keyword: Indian Ocean

Temporal:

Temporal_Keyword_Thesaurus: none

Temporal_Keyword: real time

Temporal_Keyword: near real time

Temporal_Keyword: present

Temporal_Keyword: current

Temporal_Keyword: past

Access_Constraints: none

Use_Constraints:

Not intended for legal use. Data may contain inaccuracies due to cloud cover and/or other reasons.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NOAA Coral Reef Watch program

Contact_Person: NOAA Coral Reef Watch Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address: NOAA, E/RA31, SSMC1, Room 5308, 1335 East-West Highway

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910-3226

Country: USA

Contact_Voice_Telephone: 301-713-2857 ext 109

Contact_Facsimile_Telephone: 301-713-3136

Contact_Electronic_Mail_Address: coralreefwatch@noaa.gov

Browse_Graphic:

Browse_Graphic_File_Name:

<http://coralreefwatch.noaa.gov/satellite/e50/current/e50_baa_45ns.current.gif>

Browse_Graphic_File_Description:

This is the most recent image of NOAA CRW Experimental near-real-time twice-weekly global Enhanced 50-km satellite Coral Bleaching Alert Area product.

Browse_Graphic_File_Type: GIF

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

The accuracy of both the E-50 and operational Bleaching Alert Area product depends on the accuracy of CRW's Degree Heating Weeks (DHW) and Coral Bleaching HotSpots products, which, in turn, depend on the accuracy of satellite SSTs and bleaching threshold SSTs. A full evaluation and validation of CRW's E-50 and operational HotSpots, DHWs, and the classification of the five bleaching thermal stress levels have not been completed yet. A preliminary evaluation revealed, however, that these products demonstrate remarkable success in detecting, monitoring, and predicting all large spatial scale mass coral bleaching events. Polar Orbiting Environmental Satellite (POES) AVHRR-SST values used for creating CRW 50-km SST analysis fields were accurate to within 0.5 degree Celsius and adjusted by in-situ buoy observations to best-approximate SST at the depth of one meter. However, when producing a complete, gap-filled SST analysis with global coverage, estimation of SST at the pixels covered by cloud may occasionally reduce the accuracy of SST at these pixels.

Logical_Consistency_Report: none

Completeness_Report:

There is no spatial data gap existing in this data set. No change will be made to the original Bleaching Alert Area data, but occasional revisions to some images may occur if an inaccuracy is detected in the image display of the data. New near-real-time Bleaching Alert Area products will be added continuously to these data at scheduled update times. The Bleaching Alert Area product has not been produced retrospectively back to 2000 to match the full time series of HotSpots and Degree Heating Weeks products. In addition, animation and HDF data formats have not been implemented yet for the Bleaching Alert Area product. Retrospectively processed data and new data formats will be available soon on the CRW web site.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Users are referred to the following guide on AVHRR-derived sea surface temperature: Goodrum, G., K.B. Kidwell, and W. Winston, 2000, NOAA KLM USER'S GUIDE. U.S. Department of Commerce, National Oceanic and Atmospheric Administration National Environmental Satellite, Data, and Information Service, National Climatic Data Center, Climate Services Division, Satellite Services Branch, FOB3, Room G227, E/CC33, 5200 Auth Road, Suitland, MD 20746-4304, USA. This manual is available on line at: <http://www2.ncdc.noaa.gov/docs/klm/cover.htm>. To request additional information, contact: Telephone: (828) 271-4850, Telefax: (828) 271-4876, Email: satorder@ncdc.noaa.gov.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report: none

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: NOAA/NESDIS Coral Reef Watch program

Publication_Date: 20071011

Title:

NOAA CRW Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km satellite coral bleaching Degree Heating Weeks

Edition: one

Geospatial_Data_Presentation_Form: data file

Publication_Information:

Publication_Place: Silver Spring, Maryland, USA

Publisher: NOAA Coral Reef Watch program

Type_of_Source_Media: data file

Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20071011

Ending_Date: Present

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation:

NOAA CRW Near-Real-Time Global Enhanced 50-km satellite coral bleaching Degree Heating Weeks Product

Source_Contribution:

The E-50 Bleaching Alert Area product was derived from this E-50 coral bleaching Degree Heating Weeks product.

Source_Information:

Source_Citation:

Citation_Information:

Originator: NOAA/NESDIS Coral Reef Watch program

Publication_Date: 20071011

Title:

NOAA CRW Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching HotSpots

Edition: one

Geospatial_Data_Presentation_Form: data file

Publication_Information:

Publication_Place: Silver Spring, Maryland, USA

Publisher: NOAA Coral Reef Watch program

Type_of_Source_Media: data file

Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20071011

Ending_Date: Present

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation:

NOAA CRW Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching HotSpots Product

Source_Contribution:

The E-50 Bleaching Alert Area product was derived from the E-50 Coral Bleaching HotSpots product.

Source_Information:

Source_Citation:

Citation_Information:

Originator: NOAA/NESDIS Coral Reef Watch

Publication_Date: 20071011

Title:

NOAA CRW Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km Satellite Nighttime Sea Surface Temperatures

Edition: one

Geospatial_Data_Presentation_Form: data file

Publication_Information:

Publication_Place: Silver Spring, Maryland, USA

Publisher: NOAA Coral Reef Watch program

Type_of_Source_Media: data file

Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20071011

Ending_Date: Present

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation:

NOAA CRW Near-Real-Time Global Enhanced 50-km Satellite Sea Surface Temperatures

Source_Contribution:

The E-50 Bleaching Alert Area, Degree Heating Weeks, and HotSpots products were derived from this E-50 SST product.

Process_Step:

Process_Description:

The level of coral bleaching thermal stress at a data grid presented in the Bleaching Alert Area product is determined by the values of Degree Heating Weeks and HotSpots at the data grid. A Degree Heating Week is calculated as the accumulation of Coral Bleaching HotSpots over 12 consecutive weeks. At each pixel, a coral bleaching threshold SST value is subtracted from the SST value to produce the Coral Bleaching HotSpot. See the CRW web site at <http://coralreefwatch.noaa.gov/satellite/index.html> and suggested references listed above for details.

Source_Used_Citation_Abbreviation:

NOAA CRW Experimental Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching Degree Heating Weeks Product

Source_Used_Citation_Abbreviation:

NOAA CRW Experimental Near-Real-Time Global Enhanced 50-km Satellite Coral Bleaching HotSpots Product

Source_Used_Citation_Abbreviation:

NOAA CRW Experimental Near-Real-Time Global Enhanced 50-km Satellite Sea Surface Temperature Product

Process_Date: Not Complete

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NOAA Coral Reef Watch program

Contact_Person: NOAA Coral Reef Watch Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address: NOAA, E/RA31, SSMC1, Room 5308, 1335 East-West Highway

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910-3226

Country: USA

Contact_Voice_Telephone: 301-713-2857 ext 109

Contact_Facsimile_Telephone: 301-713-3136

Contact_Electronic_Mail_Address: coralreefwatch@noaa.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Raster

Raster_Object_Information:

Raster_Object_Type: Grid Cell

Row_Count: 331

Column_Count: 720

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.5

Longitude_Resolution: 0.5

Geographic_Coordinate_Units: Decimal Degrees

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Grid Intersection

Entity_Type_Definition:

There are 720 grid intersections in each row (at a pre-defined latitude) and 331 grid intersections in each column (at a pre-defined longitude). Each grid is 0.5 degree latitude by 0.5 degree longitude in size, centered at latitudes of from 80.0S northward to 85.0N and at longitudes of from 180W eastward to 179.5E.

Entity_Type_Definition_Source:

<http://coralreefwatch.noaa.gov/satellite/methodology/methodology.html>

Attribute:

Attribute_Label: E-50 Bleaching Alert Area image files in GIF format

Attribute_Definition:

These are the image displays of original coral Bleaching Alert Area data.

Attribute_Definition_Source: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 255

Attribute_Units_of_Measure: Index color values

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NOAA Coral Reef Watch program

Contact_Person: NOAA Coral Reef Watch Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address: NOAA, E/RA31, SSMC1, Room 5308, 1335 East-West Highway

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910-3226

Country: USA

Contact_Voice_Telephone: 301-713-2857 ext 109

Contact_Facsimile_Telephone: 301-713-3136

Contact_Electronic_Mail_Address: coralreefwatch@noaa.gov

Resource_Description: Downloadable Data

Distribution_Liability:

NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: HTML

Format_Information_Content: E-50 Bleaching Alert Area product webpage

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>

Offline_Option:

Offline_Media: CD-ROM

Recording_Format: none

Compatibility_Information: The data formats provided are commonly used data formats.

Digital_Form:

Digital_Transfer_Information:

Format_Name: GIF

Format_Information_Content: E-50 Bleaching Alert Area product images

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>

Offline_Option:

Offline_Media: CD-ROM

Recording_Format: none

Compatibility_Information: The data formats provided are commonly used data formats.

Digital_Form:

Digital_Transfer_Information:

Format_Name: KML

Format_Information_Content: E-50 Bleaching Alert Area Google Earth Display

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.html>

Offline_Option:

Offline_Media: CD-ROM

Recording_Format: none

Compatibility_Information: The data formats provided are commonly used data formats.

Fees: none

Ordering_Instructions:

The product in various formats may be downloaded from the CRW web site or obtained directly from the distributor.

Metadata_Reference_Information:

Metadata_Date: 20121220

Metadata_Review_Date: 20111024

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NOAA Coral Reef Watch program

Contact_Person: NOAA Coral Reef Watch Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address: NOAA, E/RA31, SSMC1, Room 5308, 1335 East-West Highway

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910-3226

Country: USA

Contact_Voice_Telephone: 301-713-2857 ext 109

Contact_Facsimile_Telephone: 301-713-3136

Contact_Electronic_Mail_Address: coralreefwatch@noaa.gov

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version:

CoRIS CoRIS_ID 20110203080614 CoRIS_Children None CoRIS_Beginning_Date 20090101 CoRIS_Ending_Date 99991231 CoRIS_Metadata_Link <http://www.coris.noaa.gov/metadata/records/html/crw_bleachingalertarea_50km_xml_2003_format_20110107.html> CoRIS_Tracking_ID 6179

CoRIS:

CoRIS_ID: 20111024060056

CoRIS_Children: None

CoRIS_Beginning_Date: 20071011

CoRIS_Ending_Date: 99991231

CoRIS_Metadata_Link:

<http://www.coris.noaa.gov/metadata/records/html/crw_baa_e50_xml_2003_format_20111021.html>

CoRIS_Tracking_ID: 6381