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  • Submarine volcanic eruptions can result in both real and apparent changes in marine algal communities, e.g., increases in phytoplankton biomass and/or growth rates that can cover thousands of square kilometers. Satellite ocean color monitoring detects these changes as increases in chlorophyll and particulate backscattering. Detailed, high resolution analysis is needed to separate the optical effects of volcanic products from the response of the marine algal community. It is possible to calculate an index, which maps the magnitude of improbable change (relative to long term average conditions) following known volcanic eruptions by using low resolution, initial estimates of chlorophyll and backscatter along with an archived history of satellite data. We apply multivariate probability analysis to changes in global satellite ocean chlorophyll and particulate backscatter data to create a new metric for observing apparent biological responses to submarine eruptions. Several examples are shown, illustrating the sensitivity of our improbability mapping index to known submarine volcanic events, yielding a potentially robust method for the detection of new events in remote locations.
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  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2014-01-23T21:41:20Z (GMT) No. of bitstreams: 7 OMalleyRobertBotanyandPlantPathologyImprobablilityMapping.pdf: 480040 bytes, checksum: c1b170d464988536e6ad0605dfbbf8f2 (MD5) OMalleyTable.pdf: 336416 bytes, checksum: 1f7724fcd97fc6245a4914b2fca061fb (MD5) OMalleyFigure1.tif: 490581 bytes, checksum: 434f815b455fb6844a674be946a3b8d3 (MD5) OMalleyFigure2.tif: 131153 bytes, checksum: cc7cd054b4bf0b29a0d0a2001f7a047c (MD5) OMalleyFigure3.tif: 301408 bytes, checksum: 811ae75b8b0faeaaa10e98ec51c653e3 (MD5) OMalleyFigure4.tif: 244775 bytes, checksum: 0e77232397f4bb1e7abb2cbe7bde05cb (MD5) OMalleyFigure5.tif: 431429 bytes, checksum: f59a40aac558ad04e448578b7c648e2c (MD5)
  • description.provenance : Made available in DSpace on 2014-01-23T21:41:20Z (GMT). No. of bitstreams: 7 OMalleyRobertBotanyandPlantPathologyImprobablilityMapping.pdf: 480040 bytes, checksum: c1b170d464988536e6ad0605dfbbf8f2 (MD5) OMalleyTable.pdf: 336416 bytes, checksum: 1f7724fcd97fc6245a4914b2fca061fb (MD5) OMalleyFigure1.tif: 490581 bytes, checksum: 434f815b455fb6844a674be946a3b8d3 (MD5) OMalleyFigure2.tif: 131153 bytes, checksum: cc7cd054b4bf0b29a0d0a2001f7a047c (MD5) OMalleyFigure3.tif: 301408 bytes, checksum: 811ae75b8b0faeaaa10e98ec51c653e3 (MD5) OMalleyFigure4.tif: 244775 bytes, checksum: 0e77232397f4bb1e7abb2cbe7bde05cb (MD5) OMalleyFigure5.tif: 431429 bytes, checksum: f59a40aac558ad04e448578b7c648e2c (MD5) Previous issue date: 2014-01
  • description.provenance : Submitted by Sue Kunda (sue.kunda@oregonstate.edu) on 2014-01-23T21:40:31Z No. of bitstreams: 7 OMalleyRobertBotanyandPlantPathologyImprobablilityMapping.pdf: 480040 bytes, checksum: c1b170d464988536e6ad0605dfbbf8f2 (MD5) OMalleyTable.pdf: 336416 bytes, checksum: 1f7724fcd97fc6245a4914b2fca061fb (MD5) OMalleyFigure1.tif: 490581 bytes, checksum: 434f815b455fb6844a674be946a3b8d3 (MD5) OMalleyFigure2.tif: 131153 bytes, checksum: cc7cd054b4bf0b29a0d0a2001f7a047c (MD5) OMalleyFigure3.tif: 301408 bytes, checksum: 811ae75b8b0faeaaa10e98ec51c653e3 (MD5) OMalleyFigure4.tif: 244775 bytes, checksum: 0e77232397f4bb1e7abb2cbe7bde05cb (MD5) OMalleyFigure5.tif: 431429 bytes, checksum: f59a40aac558ad04e448578b7c648e2c (MD5)

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OMalleyFigure4.tif 2017-07-11 Public