Difference between revisions of "Publication.10.1029/2012PA002284"
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| + | Abstract=Previous studies showed that sea surface salinity (SSS) in the Florida Straits as well as Florida Current transport covaried with changes in North Atlantic climate over the past two millennia. However, little is known about earlier Holocene hydrographic variability in the Florida Straits. Here, we combine Mg/Ca-paleothermometry and stable oxygen isotope measurements on the planktonic foraminifera Globigerinoides ruber (white variety) from Florida Straits sediment core KNR166-2 JPC 51 (24 deg 24.70'N, 83 deg 13.14'W, 198 m deep) to reconstruct a high-resolution (~25 yr/sample) early to mid Holocene record of sea surface temperature and d18OSW (a proxy for SSS) variability. After removing the influence of global d18OSW change due to continental ice volume variability, we find that early Holocene SSS enrichments are associated with increased evaporation/precipitation ratios in the Florida Straits during periods of reduced solar forcing, increased ice rafted debris in the North Atlantic and the development of more permanent El Niño-like conditions in the eastern equatorial Pacific. When considered with previous high-resolution reconstructions of Holocene tropical atmospheric circulation changes, our results provide evidence that variations in solar forcing over the early Holocene had a significant impact on the global tropical hydrologic cycle.| | ||
| + | Author (L)=Matthew_W._Schmidt| | ||
| + | Author (L)=William_A._Weinlein| | ||
| + | Author (L)=Franco_Marcantonio| | ||
| + | Author (L)=Jean_Lynch-Stieglitz| | ||
| + | HasDOI (L)=10.1029/2012PA002284| | ||
| + | HasLink (L)=http://dx.doi.org/10.1029/2012PA002284| | ||
| + | Issue (L)=3| | ||
| + | Journal (L)=Paleoceanography| | ||
| + | PubDataUrl=doi.org| | ||
| + | PublicationYear (L)=2012| | ||
| + | Publisher=Wiley-Blackwell| | ||
| + | Title (L)=Solar forcing of Florida Straits surface salinity during the early Holocene| | ||
| + | Type=journal-article| | ||
| + | Volume (L)=27}} | ||
