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  <ncml:attribute name="acknowledgement" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="cdm_data_type" value="Grid" />
  <ncml:attribute name="comment" value="This is a product of the NOAA Coral Reef Watch Daily Global 5km Satellite Marine Heatwave Monitoring Product Suite Version 1.0.1, derived from CoralTemp v3.1." />
  <ncml:attribute name="Conventions" value="CF-1.6, ACDD-1.3" />
  <ncml:attribute name="creator_email" value="coralreefwatch@noaa.gov" />
  <ncml:attribute name="creator_institution" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="creator_name" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="creator_type" value="institution" />
  <ncml:attribute name="creator_url" value="https://coralreefwatch.noaa.gov" />
  <ncml:attribute name="date_created" value="2019-11-19" />
  <ncml:attribute name="date_issued" value="2019-11-19" />
  <ncml:attribute name="date_metadata_modified" value="2024-07-18" />
  <ncml:attribute name="date_modified" value="2024-07-18" />
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  <ncml:attribute name="geospatial_lon_units" value="degrees_east" />
  <ncml:attribute name="history" value="2021-09-22T12:00:00Z Initial version released: v1.0.\n2021-09-22T12:00:00Z Version 1.0.1 released. Fixed minor compatibility issue loading data into GIS applications by altering dimension names and coordinate variable names.\n2023-01-05T19:26:00Z Data obtained from NOAA Coral Reef Watch and re-distributed via THREDDS Data Server (TDS) at PacIOOS to provide temporal aggregation and distribution through NetCDF/OPeNDAP utilities like ncWMS and ERDDAP.\n2024-01-12T22:35:00Z Due to ongoing difficulty serving the entire time series aggregation through TDS, we are now limiting access to the latest 3 years. For the full time series, see PacIOOS ERDDAP instead.\n2024-03-20T21:18:00Z Full time series aggregation now restored in TDS; no longer limited to latest data.\n2024-04-04T07:21:00Z Due to ongoing difficulty serving the entire time series aggregation through TDS, we are now limiting access to the latest 3 years. For the full time series, see PacIOOS ERDDAP instead.\n2024-07-18T19:00:00Z Due to changes in data format from CRW, time series aggregation is no longer possible with files before July 1, 2024." />
  <ncml:attribute name="id" value="mhw_5km" />
  <ncml:attribute name="institution" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="instrument" value="Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; AHI &gt; Advanced Himawari Imager, Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; AVHRR &gt; Advanced Very High Resolution Radiometer, Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; GOES-13 Imager &gt; Geostationary Operational Environmental Satellite 13-Imager, Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; GOES-15 Imager &gt; Geostationary Operational Environmental Satellite 15-Imager, Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; SEVIRI &gt; Spinning Enhanced Visible and Infrared Imager, Earth Remote Sensing Instruments &gt; Passive Remote Sensing &gt; Spectrometers/Radiometers &gt; Imaging Spectrometers/Radiometers &gt; VIIRS &gt; Visible-Infrared Imager-Radiometer Suite" />
  <ncml:attribute name="instrument_vocabulary" value="GCMD Instrument Keywords" />
  <ncml:attribute name="keywords" value="Earth Science &gt; Climate Indicators &gt; Atmospheric/Ocean Indicators &gt; Extreme Weather &gt; Heat/Cold Wave Frequency/Intensity, Earth Science &gt; Oceans &gt; Ocean Temperature &gt; Sea Surface Temperature" />
  <ncml:attribute name="keywords_vocabulary" value="GCMD Science Keywords" />
  <ncml:attribute name="license" value="The data produced by Coral Reef Watch are available for use without restriction, but Coral Reef Watch relies on the ethics and integrity of the user to ensure that the source of the data and products is appropriately cited and credited. When using these data and products, credit and courtesy should be given to NOAA Coral Reef Watch. Please include the appropriate DOI associated with this dataset in the citation. For more information, visit the NOAA Coral Reef Watch website: https://coralreefwatch.noaa.gov. Recommendations for citing and providing credit are provided at https://coralreefwatch.noaa.gov/satellite/docs/recommendations_crw_citation.php. Users are referred to the footer section of the Coral Reef Watch website (https://coralreefwatch.noaa.gov/index.php) for disclaimers, policies, notices pertaining to the use of the data." />
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  <ncml:attribute name="platform" value="Earth Observation Satellites &gt; GOES (Geostationary Operational Environmental Satellite) &gt; GOES-13, Earth Observation Satellites &gt; GOES (Geostationary Operational Environmental Satellite) &gt; GOES-15, Earth Observation Satellites &gt; Himawari &gt; Himawari Meteorological Satellites, Earth Observation Satellites &gt; Joint Polar Satellite System (JPSS) &gt; SUOMI-NPP &gt; Suomi National Polar-orbiting Partnership, Earth Observation Satellites &gt; METEOSAT &gt; METEOSAT-8, Earth Observation Satellites &gt; METEOSAT &gt; METEOSAT-11, Earth Observation Satellites &gt; METOP &gt; METOP-B &gt; Meteorological Operational Satellite - B" />
  <ncml:attribute name="platform_vocabulary" value="GCMD Platform Keywords" />
  <ncml:attribute name="processing_level" value="Level 4" />
  <ncml:attribute name="product_version" value="1.0.1" />
  <ncml:attribute name="program" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="project" value="NOAA Coral Reef Watch (CRW)" />
  <ncml:attribute name="publisher_email" value="info@pacioos.org" />
  <ncml:attribute name="publisher_institution" value="Pacific Islands Ocean Observing System (PacIOOS)" />
  <ncml:attribute name="publisher_name" value="Pacific Islands Ocean Observing System (PacIOOS)" />
  <ncml:attribute name="publisher_type" value="institution" />
  <ncml:attribute name="publisher_url" value="http://pacioos.org" />
  <ncml:attribute name="references" value="https://coralreefwatch.noaa.gov/product/marine_heatwave/; Related publication: Hobday AJ, Oliver ECJ, Sen Gupta A, Benthuysen JA, Burrows MT, Donat MG, Holbrook NJ, Moore PJ, Thomsen MS, Wernberg T, Smale DA. 2018. Categorizing and naming marine heatwaves. Oceanography 31, 2. https://doi.org/10.5670/oceanog.2018.205." />
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  <ncml:attribute name="summary" value="Marine heatwaves are modelled off their terrestrial namesakes and are prolonged periods of anomalously high sea surface temperature (SST). In effect, they are categorized SST anomalies. They are also a more general version of the Coral Reef Watch (CRW) daily global 5km coral bleaching &quot;HotSpot&quot; product. Rather than being aimed specifically at corals, however, they provide a more generalized description of marine heat stress that is likely applicable to a broader range of marine life. This daily global 5km-resolution Marine Heatwave Watch (MHW) product is derived by applying the marine heatwave algorithm of Hobday et al. (2018) to the daily global 5km &quot;CoralTemp&quot; SST data product. CoralTemp is one of the best and most internally consistent daily global 5km SST products available, which allowed for the creation of an accurate climatology. This enabled the derivation of an accurate, consistent MHW product (comprised of near real-time and historic components), stretching back over three decades. Provides the most recent 3 years of data only; for the full time series, see PacIOOS ERDDAP instead." />
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  <ncml:attribute name="title" value="NOAA Coral Reef Watch Daily Global 5-km Satellite Monitoring Marine Heatwave Watch" />
  <ncml:attribute name="ISO_Topic_Categories" value="oceans" />
  <ncml:attribute name="locations" value="Geographic Region &gt; Global Ocean" />
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    <attribute name="id" value="mhw_5km" />
    <attribute name="full_name" value="Satellite Data/NOAA Coral Reef Watch Marine Heatwave Watch: Daily 5-km" />
    <attribute name="data_format_type" value="netCDF" />
    <attribute name="data_type" value="GRID" />
    <attribute name="collection_type" value="TimeSeries" />
    <attribute name="authority" value="org.pacioos" />
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        <attribute name="inline" value="Marine heatwaves are modelled off their terrestrial namesakes and are prolonged periods of anomalously high sea surface temperature (SST). In effect, they are categorized SST anomalies. They are also a more general version of the Coral Reef Watch (CRW) daily global 5km coral bleaching &quot;HotSpot&quot; product. Rather than being aimed specifically at corals, however, they provide a more generalized description of marine heat stress that is likely applicable to a broader range of marine life. This daily global 5km-resolution Marine Heatwave Watch (MHW) product is derived by applying the marine heatwave algorithm of Hobday et al. (2018) to the daily global 5km &quot;CoralTemp&quot; SST data product. CoralTemp is one of the best and most internally consistent daily global 5km SST products available, which allowed for the creation of an accurate climatology. This enabled the derivation of an accurate, consistent MHW product (comprised of near real-time and historic components), stretching back over three decades. Provides the most recent 3 years of data only; for the full time series, see PacIOOS ERDDAP instead." type="summary" />
      </group>
      <group name="document">
        <attribute name="inline" value="Proper credit and citation to NOAA Coral Reef Watch are requested when using these data." type="rights" />
      </group>
      <group name="document">
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        <attribute name="xlink" value="https://coralreefwatch.noaa.gov/product/marine_heatwave/" type="" />
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      <attribute name="wms_service" value="https://pae-paha.pacioos.hawaii.edu/thredds/wms/mhw_5km?service=WMS&amp;version=1.3.0&amp;request=GetCapabilities" />
      <attribute name="wcs_service" value="https://pae-paha.pacioos.hawaii.edu/thredds/wcs/mhw_5km?service=WCS&amp;version=1.0.0&amp;request=GetCapabilities" />
    </group>
    <group name="keywords">
      <attribute name="keyword" value="Earth Science &amp;gt; Climate Indicators &amp;gt; Atmospheric/Ocean Indicators &amp;gt; Extreme Weather &amp;gt; Heat/Cold Wave Frequency/Intensity" />
      <attribute name="vocab" value="GCMD Science Keywords" />
      <attribute name="keyword" value="Earth Science &amp;gt; Oceans &amp;gt; Ocean Temperature &amp;gt; Sea Surface Temperature" />
      <attribute name="vocab" value="GCMD Science Keywords" />
    </group>
    <group name="creators">
      <group name="creator">
        <attribute name="name" value="NOAA Coral Reef Watch" />
        <attribute name="email" value="coralreefwatch@noaa.gov" />
        <attribute name="url" value="" />
      </group>
    </group>
    <group name="publishers">
      <group name="publisher">
        <attribute name="name" value="Pacific Islands Ocean Observing System (PacIOOS)" />
        <attribute name="email" value="info@pacioos.org" />
        <attribute name="url" value="" />
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    </group>
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    <attribute name="geospatial_lat_max" value="90.0" />
    <group name="vocab">
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    <group name="properties">
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      <attribute name="viewer2" value="https://pae-paha.pacioos.hawaii.edu/erddap/griddap/mhw_5km,ERDDAP" />
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    <ncml:attribute name="comment" value="This is a container variable that describes the grid_mapping used by the data in this file. This variable does not contain any data; only information about the geographic coordinate system." />
    <ncml:attribute name="grid_mapping_name" value="latitude_longitude" />
    <ncml:attribute name="epsg_code" value="EPSG:4326" />
    <ncml:attribute name="semi_major_axis" type="float" value="6378137.0" />
    <ncml:attribute name="inverse_flattening" type="float" value="298.2572" />
    <ncml:attribute name="_CoordinateTransformType" value="Projection" />
    <ncml:attribute name="_CoordinateAxisTypes" value="GeoX GeoY" />
  </ncml:variable>
  <ncml:variable name="heatwave_category" shape="time lat lon" type="byte">
    <ncml:attribute name="_FillValue" type="byte" value="-5" />
    <ncml:attribute name="comment" value="This variable provides a measurement of daily sea surface temperature anomaly (SST Anomaly) based on an intensity classification algorithm for tracking marine heatwaves. Its value determines the contribution of the daily SST anomlay to the occurrence of a marine heatwave event and/or duration and intensity of an ongoing event. The value range is: 0 - No contribution to a marine heatwave event; 1 - Category I (Moderate); 2 - Category II (Strong); 3 - Category III (Severe); 4 - Category IV (Extreme); 5 - Category V (open-end beyond Extreme). Product description is provided at https://coralreefwatch.noaa.gov/product/marine_heatwave/index.php." />
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    <ncml:attribute name="coverage_content_type" value="physicalMeasurement" />
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    <ncml:attribute name="comment" value="A 2D array, in the same size as the data array in the X and Y directions, classifying land, missing, and ice pixels that are all flagged by the same missing_value (specified by the variable attribute _FillValue) in the data array(s), along with water (data) pixels." />
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    <ncml:attribute name="long_name" value="reference time of the data" />
    <ncml:attribute name="standard_name" value="time" />
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