National Coral Reef Monitoring Program: Erosion data from bioerosion monitoring units (BMUs) deployed at select coral reef sites in the Pacific Ocean

Description

The erosion rates provided in this collection were gathered from bioerosion monitoring units (BMUs) retrieved at existing long-term monitoring sites at Wake Island and the Hawaiian and Mariana Archipelagos during NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led National Coral Reef Monitoring Program (NCRMP) missions. The samples were analyzed at NOAA’s Atlantic Oceanographic and Meteorological Laboratory (AOML), as part of NOAA's ongoing NCRMP. BMUs are constructed from clean coral skeletons and left on the reef for a period of 3 years. This collection of data contains the first run of BMUs that has ever been produced, and as such, the protocol established at the time was shortly thereafter amended in order to give a more thorough picture of bioerosion rates. Early analysis procedures utilized a benchtop micro computed tomography scanner (microCT, Bruker) for initial scans (pre-deployment), while post collection analyses (including those in this collection) were analyzed by a larger Computed Tomography device (CT scanner, Siemens).

BMUs are CT scanned for changes in density, volume and mass in which rates of bioerosion can be assessed. Annual erosion and accretion rates can be determined from these data in terms of loss of reef structure volume as well as mass in grams of calcium carbonate. Accretion rates given in this collection are determined by finding the volume of non-original carbonate material found on the external surface of the BMUs divided by the number of years the BMU was deployed on the reef. These rates can detect accretion signals when calcifying organisms, such as corals or algae, have grown on their exteriors. Rates of macroboring were determined by changes in the internal volume of the BMUs (e.g., that removed by bore holes) divided by the number of years the BMU was deployed on the reef. Macroboring can occur from eroders such as clionaid sponges, annelids and other macroboring fauna.

Resources

Name Format Description Link
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
Rosenstiel School of Marine, Atmospheric, and Earth Science Cooperative Institute for Marine and Atmospheric Studies (CIMAS) website Unknown Institution web page Open resource
https://doi.org/10.1098/rspb.2016.1742 Unknown related journal article Open resource
https://doi.org/10.1098/rspb.2016.1742 Unknown related journal article Open resource
https://doi.org/10.1098/rspb.2016.1742 Unknown related journal article Open resource
https://doi.org/10.1098/rspb.2016.1742 Unknown related journal article Open resource
Enhanced macroboring and depressed calcification drive net dissolution at high-CO2 coral reefs Unknown Enochs IC, Manzello DP, Kolodziej G, Noonan SHC, Valentino L, Fabricius KE. 2016 Enhanced macroboring and depressed calcification drive net dissolution at high-CO2 coral reefs. Proc. R. Soc. B 283: 20161742. https://doi.org/10.1098/rspb.2016.1742 Open resource
NCEI Dataset Landing Page Unknown Navigate directly to the URL for a descriptive web page with download links. Open resource
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GCMD Keyword Forum Page Unknown Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords Open resource
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NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML) website Unknown Institution web page Open resource
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CRCP BMU Erosion Data Coral Sites Pacific HTML ERDDAP acts as a middleman between you and various remote data servers. ERDDAP offers an easy-to-use, consistent way to request data: via the OPeNDAP standard. Many datasets can also be accessed via ERDDAP's Web Map Service (WMS). ERDDAP returns data in the common file format of your choice. ERDDAP offers all data as .html table, ESRI .asc and .csv, Google Earth .kml, OPeNDAP binary, .mat, .nc, ODV .txt, .csv, .tsv, .json, and .xhtml. Open resource
CRCP BMU Erosion Data Coral Sites Pacific HTML ERDDAP acts as a middleman between you and various remote data servers. ERDDAP offers an easy-to-use, consistent way to request data: via the OPeNDAP standard. Many datasets can also be accessed via ERDDAP's Web Map Service (WMS). ERDDAP returns data in the common file format of your choice. ERDDAP offers all data as .html table, ESRI .asc and .csv, Google Earth .kml, OPeNDAP binary, .mat, .nc, ODV .txt, .csv, .tsv, .json, and .xhtml. Open resource
CRCP BMU Erosion Data Coral Sites Pacific HTML ERDDAP acts as a middleman between you and various remote data servers. ERDDAP offers an easy-to-use, consistent way to request data: via the OPeNDAP standard. Many datasets can also be accessed via ERDDAP's Web Map Service (WMS). ERDDAP returns data in the common file format of your choice. ERDDAP offers all data as .html table, ESRI .asc and .csv, Google Earth .kml, OPeNDAP binary, .mat, .nc, ODV .txt, .csv, .tsv, .json, and .xhtml. Open resource
CRCP BMU Erosion Data Coral Sites Pacific HTML ERDDAP acts as a middleman between you and various remote data servers. ERDDAP offers an easy-to-use, consistent way to request data: via the OPeNDAP standard. Many datasets can also be accessed via ERDDAP's Web Map Service (WMS). ERDDAP returns data in the common file format of your choice. ERDDAP offers all data as .html table, ESRI .asc and .csv, Google Earth .kml, OPeNDAP binary, .mat, .nc, ODV .txt, .csv, .tsv, .json, and .xhtml. Open resource
CRCP BMU Erosion Data Coral Sites Pacific HTML ERDDAP acts as a middleman between you and various remote data servers. ERDDAP offers an easy-to-use, consistent way to request data: via the OPeNDAP standard. Many datasets can also be accessed via ERDDAP's Web Map Service (WMS). ERDDAP returns data in the common file format of your choice. ERDDAP offers all data as .html table, ESRI .asc and .csv, Google Earth .kml, OPeNDAP binary, .mat, .nc, ODV .txt, .csv, .tsv, .json, and .xhtml. Open resource
Granule Search Unknown Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). Open resource
Granule Search Unknown Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). Open resource
Granule Search Unknown Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). Open resource
Granule Search Unknown Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). Open resource
Granule Search Unknown Search for data granules belonging to this collection (a granule is the smallest aggregation of data that can be independently described and retrieved). Open resource
National Oceanic and Atmospheric Administration website Unknown Institution web page Open resource
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