{"@context":{"content":"http:\/\/purl.org\/rss\/1.0\/modules\/content\/","dc":"http:\/\/purl.org\/dc\/terms\/","foaf":"http:\/\/xmlns.com\/foaf\/0.1\/","og":"http:\/\/ogp.me\/ns#","rdfs":"http:\/\/www.w3.org\/2000\/01\/rdf-schema#","sioc":"http:\/\/rdfs.org\/sioc\/ns#","sioct":"http:\/\/rdfs.org\/sioc\/types#","skos":"http:\/\/www.w3.org\/2004\/02\/skos\/core#","xsd":"http:\/\/www.w3.org\/2001\/XMLSchema#","owl":"http:\/\/www.w3.org\/2002\/07\/owl#","rdf":"http:\/\/www.w3.org\/1999\/02\/22-rdf-syntax-ns#","rss":"http:\/\/purl.org\/rss\/1.0\/","site":"https:\/\/www.bco-dmo.org\/ns#","odo":"http:\/\/ocean-data.org\/schema\/","emo":"http:\/\/ocean-data.org\/schema\/entity-matching#","bibo":"http:\/\/purl.org\/ontology\/bibo\/","crypto":"http:\/\/id.loc.gov\/vocabulary\/preservation\/cryptographicHashFunctions\/","bcodmo":"http:\/\/lod.bco-dmo.org\/id\/","tw":"http:\/\/tw.rpi.edu\/schema\/","dcat":"http:\/\/www.w3.org\/ns\/dcat#","time":"http:\/\/www.w3.org\/2006\/time#","geo":"http:\/\/www.w3.org\/2003\/01\/geo\/wgs84_pos#","geosparql":"http:\/\/www.opengis.net\/ont\/geosparql#","sf":"http:\/\/www.opengis.net\/ont\/sf#","void":"http:\/\/rdfs.org\/ns\/void#","sd":"http:\/\/www.w3.org\/ns\/sparql-service-description#","dctype":"http:\/\/purl.org\/dc\/dcmitype\/","prov":"http:\/\/www.w3.org\/ns\/prov#","schema":"http:\/\/schema.org\/","geolink":"http:\/\/schema.geolink.org\/1.0\/base\/main#","spdx":"http:\/\/spdx.org\/rdf\/terms#","bcodmo_vocab":"http:\/\/schema.bco-dmo.org\/"},"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/3310#graph","@graph":[{"http:\/\/lod.bco-dmo.org\/id\/dataset\/3310":{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/3310","@type":["http:\/\/ocean-data.org\/schema\/DeploymentDatasetCollection","http:\/\/www.w3.org\/ns\/dcat#Dataset","http:\/\/ocean-data.org\/schema\/Dataset"],"http:\/\/ocean-data.org\/schema\/hasAcquisitionDescription":[{"@value":"
The SeaWiFS data were provided by the NASA\/DAAC GSFC and are copyright
\nof Orbital Imaging Corps and the NASA SeaWiFS project. The data were
\nprocessed at CCMS-PML by Samatha Lavender.
<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/ocean-data.org\/schema\/hasBriefDescription":[{"@value":"SeaWiFS images of the SOIREE bloom","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/description":[{"@value":"
This dataset contains images of the SOIREE bloom, as described in The SeaWiFS data were provided by the NASA\/DAAC GSFC and are copyright BCO-DMO Edits<\/b>
\nAbraham, E.R., Law, C.S., Boyd, P.W., Lavender, S.J., Maldonado, M.T.,
\n and Bowie, A.R. (2000) Importance of stirring in the development of
\nan iron-fertilized bloom. Nature 407, 727-730.
\nThe SeaWiFS data were provided by the NASA\/DAAC GSFC and are copyright
\nof Orbital Imaging Corps and the NASA SeaWiFS project. The data were
\nprocessed at CCMS-PML by Samatha Lavender.
\nThe images are in PNG format. Chlorophyll values can be extracted
\nfrom the imagery by applying the conversion equation:
\nlog10(chl)=((Pixel value)*slope)+log10(intercept)
\nwhere slope = 0.015 and intercept = 0.01.
\nThe images are in a non-standard Mercator projection and the following
\nformulae may be used to convert latitude\/longitude (lat\/lon) positions
\nto x\/y pixel co-ordinates or vica-versa.
\nGiven lat and lon
\nCalculate x position:
\n FractX = (lon - minlon) \/ (maxlon - minlon)
\n x = cols * FractX
\nCalculate y position:
\n Ymin=logn(tan(DEGTORAD*(45.0+(lat\/2.0))))
\n Ymax=logn(tan(DEGTORAD*(45.0+(maxlat\/2.0))))
\n y=(cols *(Ymax-Ymin))\/(DEGTORAD*(maxlon-minlon))
\nGiven x and y
\nCalculate Longitude:
\n Fractx=(x-1)\/(cols-1)
\n lon=Fractx*(maxlon-minlon)+minlon
\nCalculate Latitude:
\n Ymax=logn(tan(DEGTORAD*(45.0+(maxlat\/2.0))));
\n Ymin=Ymax-(y-1)*DEGTORAD*(maxlon-minlon)\/(cols-1);
\n lat= 2*(atan(exp(Ymin))\/DEGTORAD - 45);
\nWhere rows = 431 cols = 445 minlon =137.0 maxlon = 145.0 maxlat = -59.001762
\nDEGTORAD - conversion from degrees to radians (PI\/180.0)
\nQueries and permission to use the images should be addressed to
\nEdward Abraham (e.abraham@niwa.cri.nz<\/a>)
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\nof Orbital Imaging Corps and the NASA SeaWiFS project. The data were
\nprocessed at CCMS-PML by Samatha Lavender.
BCO-DMO Processing Notes<\/b>
\nThe SeaWIFS images were copied from the Deep-Sea Research II 48 (2001) accompanying CD-Rom
<\/p>\n
\n - Thumbnail images generated to facilitate access to the images in the BCO-DMO database
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(2010) SeaWiFS images of the SOIREE bloom from the R\/V Tangaroa 61TG_3052 cruise in the Southern Ocean during 1999 (SOIREE project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). 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