{"data":{"id":"10.1594/pangaea.714902","type":"dois","attributes":{"doi":"10.1594/pangaea.714902","prefix":"10.1594","suffix":"pangaea.714902","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Weber, Michael E","givenName":"Michael E","familyName":"Weber","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0003-2175-8980","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Pisias, Nicklas G","givenName":"Nicklas G","familyName":"Pisias","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0009-0004-5378-5670","nameIdentifierScheme":"ORCID"}],"affiliation":[]}],"titles":[{"title":"Age model and color measurements of sediment cores from the eastern equatorial Pacific"}],"publisher":"PANGAEA","container":{},"publicationYear":1999,"subjects":[{"subject":"Piston corer (BGR type)","subjectScheme":"Method"},{"subject":"Gravity corer (Kiel type)","subjectScheme":"Method"},{"subject":"Kasten corer","subjectScheme":"Method"},{"subject":"SO79","subjectScheme":"Campaign"},{"subject":"SO106/1","subjectScheme":"Campaign"},{"subject":"SO106/2","subjectScheme":"Campaign"},{"subject":"Sonne","subjectScheme":"Basis"}],"contributors":[],"dates":[{"date":"1999","dateType":"Issued"}],"language":"en","types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Supplementary Publication Series of Datasets","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.1016/s0012-821x(99)00248-4","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":["37 datasets"],"formats":["application/zip"],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 3.0 Unported","rightsUri":"https://creativecommons.org/licenses/by/3.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-3.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"High-resolution records of glacial-interglacial variations in biogenic carbonate, opal, and detritus (derived from non-destructive core log measurements of density, P-wave velocity and color; r \u0026gt;= 0.9) from 15 sediment sites in the eastern equatorial (sampling resolution is ~1 kyr) clear response to eccentricity and precession forcing. For the Peru Basin, we generate a high-resolution (21 kyr increment) orbitally-based chronology for the last 1.3 Ma. Spectral analysis indicates that the 100 kyr cycle became dominant at roughly 1.2 Ma, 200-300 kyr earlier than reported for other paleoclimatic records. The response to orbital forcing is weaker since the Mid-Brunhes Dissolution Event (at 400 ka). A west-east reconstruction of biogenic sedimentation in the Peru Basin (four cores; 91-85°W) distinguishes equatorial and coastal upwelling systems in the western and eastern sites, respectively. A north-south reconstruction perpendicular to the equatorial upwelling system (11 cores, 11°N-°3S) shows high carbonate contents (\u0026gt;= 50%) between 6°N and 4°S and highly variable opal contents between 2°N and 4°S. Carbonate cycles B-6, B-8, B-10, B-12, B-14, M-2, and M-6 are well developed with B-10 (430 ka) as the most prominent cycle. Carbonate highs during glacials and glacial-interglacial transitions extended up to 400 km north and south compared to interglacial or interglacial^glacial carbonate lows. Our reconstruction thus favors glacial-interglacial expansion and contraction of the equatorial upwelling system rather than shifting north or south. Elevated accumulation rates are documented near the equator from 6°N to 4°S and from 2°N to 4°S for carbonate and opal, respectively. Accumulation rates are higher during glacials and glacial-interglacial transitions in all cores, whereas increased dissolution is concentrated on Peru Basin sediments close to the carbonate compensation depth and occurred during interglacials or interglacial-glacial transitions.","descriptionType":"Abstract"},{"description":"Supplement to: Weber, Michael E; Pisias, Nicklas G (1999): Spatial and temporal distribution of biogenic carbonate and opal in deep-sea sediments from the eastern equatorial Pacific: implications for ocean history since 1.3 Ma. Earth and Planetary Science Letters, 174(1-2), 59-73","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"-85.3728333333333","northBoundLatitude":"-5.10833333333333","southBoundLatitude":"-8.545","westBoundLongitude":"-90.8263"}},{"geoLocationPlace":"Peru 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