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

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Metadata:


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 HotSpots 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.php>
Description:
Abstract:
The NOAA Coral Reef Watch (CRW) Enhanced 50-km (E-50) Satellite Coral Bleaching HotSpots 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 Coral Bleaching HotSpots product for both the most recent near-real-time updates and the archived E-50 HotSpots product, dating back to October 2007, when the E-50 HotSpots product first became available. 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 during the twice-weekly period ending on the day indicated in the product. All non-positive E-50 HotSpot values are recorded as zeros. A more detailed description of Coral Bleaching HotSpots can be obtained at <http://coralreefwatch.noaa.gov/satellite/methodology/methodology.php#hotspot>. The E-50 HotSpots product is derived 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 product provides two major improvements over the current operational 50-km HotSpots product: full coastal coverage and improved climatology. The E-50 SST product that this E-50 HotSpots product 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, the E-50 SST product suite 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 50-km HotSpots product is 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 in certain areas, such as the Gulf of Panama and Gulf of Oman regions. CRW's E-50 coral bleaching Degree Heating Weeks product (another key tool in the CRW E-50 product suite) is derived from the accumulation of the E-50 HotSpots and benefits from these same improvements. 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.php>. The E-50 HotSpots 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 HotSpot
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: 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 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: 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: none
Place_Keyword: globe
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_hotspot_45ns.current.gif>
Browse_Graphic_File_Description:
This is the most recent image of the NOAA CRW experimental twice-weekly near-real-time Global Enhanced 50-km Satellite Coral Bleaching HotSpots product.
Browse_Graphic_File_Type: GIF

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The accuracy of both the E-50 and operational HotSpots products depends on the accuracy of source satellite SSTs and bleaching threshold SSTs. A full evaluation and validation of CRW's E-50 and operational HotSpots products have not been completed yet. A preliminary evaluation revealed, however, that the operational HotSpots product, along with the coral bleaching Degree Heating Weeks product (another key tool in the CRW operational product suite), demonstrates 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 HotSpots 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 HotSpots products will be continuously added into this data collection at scheduled routine data update times.
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
Publication_Date: 20071011
Title:
NOAA CRW Experimental Twice-Weekly Near-Real-Time Global Enhanced 50-km Satellite Nighttime Sea Surface Temperature
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 Nighttime Sea Surface Temperature
Source_Contribution:
The E-50 Coral Bleaching HotSpots product was derived from this E-50 SST product.
Process_Step:
Process_Description:
A HotSpot is calculated as the amount of SST exceeding a static coral bleaching threshold SST. At each pixel, a coral bleaching threshold SST value is subtracted from the SST value to produce the Coral Bleaching HotSpots. See the CRW web site at: <http://coralreefwatch.noaa.gov/satellite/index.php> and suggested references listed above for details.
Source_Used_Citation_Abbreviation:
NOAA CRW Near-Real-Time Global Enhanced 50-km Satellite Nighttime Sea Surface Temperature
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.php>
Attribute:
Attribute_Label: E-50 HotSpots image files in GIF format
Attribute_Definition:
These are the image display of original E-50 Coral Bleaching HotSpots data.
Attribute_Definition_Source: <http://coralreefwatch.noaa.gov/satellite/e50/index.php>
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 HotSpots webpage
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.php>
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 HotSpots images
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.php>
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 HotSpots Google Earth Display
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://coralreefwatch.noaa.gov/satellite/e50/index.php>
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: 20130729
Metadata_Review_Date: 20130729
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: FGDC-STD-001-1998

CoRIS:
CoRIS_ID: 20111024061041
CoRIS_Children: None
CoRIS_Beginning_Date: 20071011
CoRIS_Ending_Date: 99991231
CoRIS_Metadata_Link:
<http://www.coris.noaa.gov/metadata/records/html/crw_hotspot_e50_xml_2003_format_20110121.html>
CoRIS_Tracking_ID: 6383

Generated by mp version 2.9.13 on Fri Aug 29 10:41:29 2014