Mohtadi, Mahyar (2010): Planktonic foraminiferal flux and shell geochemistry data in the sediment trap time series JAM 1-3 off south Java. PANGAEA, https://doi.org/10.1594/PANGAEA.733785, Supplement to: Mohtadi, Mahyar; Steinke, Stephan; Groeneveld, Jeroen; Fink, Hiske G; Rixen, Tim; Hebbeln, Dierk; Donner, Barbara; Herunadi, Bambang (2009): Low-latitude control on seasonal and interannual changes in planktonic foraminiferal flux and shell geochemistry off south Java: A sediment trap study. Paleoceanography, 24, PA1201, https://doi.org/10.1029/2008PA001636
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Results from sediment trap experiments conducted in the seasonal upwelling area off south Java from November 2000 until July 2003 revealed significant monsoon-, El Niño-Southern Oscillation-, and Indian Ocean Dipole-induced seasonal and interannual variations in flux and shell geochemistry of planktonic foraminifera. Surface net primary production rates together with total and species-specific planktonic foraminiferal flux rates were highest during the SE monsoon-induced coastal upwelling period from July to October, with three species Globigerina bulloides, Neogloboquadrina pachyderma dex., and Globigerinita glutinata contributing to 40% of the total foraminiferal flux. Shell stable oxygen isotopes (d18O) and Mg/Ca data of Globigerinoides ruber sensu stricto (s.s.), G. ruber sensu lato (s.l.), Neogloboquadrina dutertrei, Pulleniatina obliquiloculata, and Globorotalia menardii in the sediment trap time series recorded surface and subsurface conditions. We infer habitats of 0-30 m for G. ruber at the mixed layer depth, 60-80 m (60-90 m) for P. obliquiloculata (N. dutertrei) at the upper thermocline depth, and 90-110 m (100-150 m) for G. menardii in the 355-500 mm (>500 µm) size fraction corresponding to the (lower) thermocline depth in the study area. Shell Mg/Ca ratio of G. ruber (s.l. and s.s.) reveals an exponential relationship with temperature that agrees with published relationships particularly with the Anand et al. (2003) equations. Flux-weighted foraminiferal data in sediment trap are consistent with average values in surface sediment samples off SW Indonesia. This consistency confirms the excellent potential of these proxies for reconstructing past environmental conditions in this part of the ocean realm.
Median Latitude: -8.284420 * Median Longitude: 108.067024 * South-bound Latitude: -8.291700 * West-bound Longitude: 108.033300 * North-bound Latitude: -8.268300 * East-bound Longitude: 108.141700
Date/Time Start: 2000-11-11T00:00:00 * Date/Time End: 2003-07-06T00:00:00
JAM-1 * Latitude: -8.291700 * Longitude: 108.033300 * Date/Time Start: 2000-11-09T00:00:00 * Date/Time End: 2001-12-10T00:00:00 * Elevation: -2200.0 m * Location: off south Java * Method/Device: Mooring (MOOR) * Comment: Java Sea mooring
JAM-2 * Latitude: -8.291700 * Longitude: 108.033300 * Elevation: -2200.0 m * Location: off south Java * Method/Device: Mooring (MOOR)
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Datasets listed in this publication series
- Mohtadi, M (2010): (Table 1) Sampling dates and durations in the sediment trap time series JAM1-3 off south Java. https://doi.org/10.1594/PANGAEA.733757
- Mohtadi, M (2010): (Table 2) Fluxes of the most abundant planktonic foraminifera species in the >150 mm size fraction during the entire deployment perioda. https://doi.org/10.1594/PANGAEA.733701
- Mohtadi, M (2010): (Table 4) Shell geochemistry data on different planktonic foraminifera species in the sediment trap time series JAM1-2. https://doi.org/10.1594/PANGAEA.733745