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Articles by van der Zwan
IODP Expedition 368X Natural gamma radiation
Published September 28, 2028 | Version v2 Dataset Open Childress, L.B. Alvarez Zarikian, C.A. Briais, A. Dadd, K.A. Deng, J.-M. Hoefig, T.W. Huang, X.-L. Li, B. Lin, J. Liu, C. Liu, Z. Nirrengarten, M.F.R. Peate, D.W. Qiu, N. Satolli, S. Stock, J.M. Sun, Z. van der Zwan, F.M. Xiang, R. Yi, L. Zhong, L.
IODP Expedition 368X RGB channels (calculated from core photos)
Published September 28, 2028 | Version v2 Dataset Open Childress, L.B. Alvarez Zarikian, C.A. Briais, A. Dadd, K.A. Deng, J.-M. Hoefig, T.W. Huang, X.-L. Li, B. Lin, J. Liu, C. Liu, Z. Nirrengarten, M.F.R. Peate, D.W. Qiu, N. Satolli, S. Stock, J.M. Sun, Z. van der Zwan, F.M. Xiang, R. Yi, L. Zhong, L. Red, green, and blue pixel data were extracted from Section Half Imaging Logger (SHIL) linescan images, typically binned at 0.5 cm resolution using the central 2 cm of the image.
The origin and implications of primordial helium depletion in the Afar mantle plume
Balci, U., Stuart, F. M. , Barrat, J.-A., Grima, A. G. and van der Zwan, F. M. (2024) The origin and implications of primordial helium depletion in the Afar mantle plume. Communications Earth and Environment, 5, 519. (doi: 10.1038/s43247-024-01675-2) Text 335092.pdf - Published Version Available under License Creative Commons Attribution. 1MB Abstract Mantle plumes are responsible for the Earth’s largest volcanic provinces.
Vaccines | Free Full-Text | Dynamics of Antibody and T Cell Immunity against SARS-CoV-2 Variants of Concern and the Impact of Booster Vaccinations in Previously Infected and Infection-Naïve Individuals
Open AccessArticle by Michel R. Faas 1, Willem A. Mak 1,*, Hilde Y. Markus 1, Ellen M. van der Zwan 2, Marijke van der Vliet 1, Johannes G. M. Koeleman 1 and David S. Y.
Expedition 368X summary
International Ocean Discovery Program (IODP) Expedition 368X is the third of three expeditions that form the South China Sea Rifted Margin program. Expeditions 367, 368, and 368X share the common key objectives of testing scientific hypotheses of breakup of the northern South China Sea (SCS) margin and comparing its rifting style and history to other nonvolcanic or magma-poor rifted margins.
Expedition 368X methods supplement
An acoustic positioning beacon was not deployed during International Ocean Discovery Program (IODP) Expedition 368X, but one was prepared for immediate deployment if required. During Expedition 368X, a 5 cm whole-round sample for paleontological (PAL) analysis was collected from the core catcher of most sediment cores by the IODP JOIDES Resolution Science Operator (JRSO) technical staff. The sample was vacuum sealed and placed in cold storage for postcruise analysis.
Site U1500
International Ocean Discovery Program (IODP) Expedition 367 Site U1500 is located on basement Ridge B and is the most seaward site that Expedition 367 drilled within the South China Sea (SCS) continent–ocean transition (COT) zone. Ridge B is located ~80 km seaward of the outer margin high and ~20 km seaward of Ridge A, where Site U1499 was drilled.
Site U1502
Site U1502 (proposed Site SCSII-17A; Sun et al., 2016) within the South China Sea (SCS) northern margin (Figures F1, F2) is located at 3764 meters below sea level (mbsl) on a prominent basement ridge (A) within the continent–ocean transition (COT) (Figure F3). Ridge A is one of four distinct basement highs found across the COT. The outer margin high (OMH) is the most landward of these highs and is followed seaward by the nearly parallel Ridges A, B, and C.
Site U1499
International Ocean Discovery (IODP) Expedition 367 Site U1499 (proposed Site SCSII-14A; Sun et al., 2016) is located on basement Ridge A within the South China Sea (SCS) continent–ocean transition (COT) zone ~60 km seaward and southeast of the outer margin high.
Site U1505
Site U1505 (proposed Site SCSII-3D; Sun et al., 2016) is located at 2916.6 m water depth on a broad regional basement high (Figure F1). This site was an alternate to Site U1501, should time be left for drilling following completion of the high-priority sites included in the Scientific Prospectus (Sun et al., 2016).
Site U1503
International Ocean Discovery Program (IODP) Site U1503 (proposed Site SCSII-9B; Sun at al., 2016) is located at 3868 meters below sea level (mbsl) near the top of the structural high named Ridge C (Figures F1, F2). Ridge C is the most seaward ridge of the three margin-parallel Ridges A, B, and C that characterize the lower continental slope underlain by thin (5–7 km) crust.
Site U1504
Site U1504 (alternate Site SCSII-27A) was proposed during International Ocean Discovery Program (IODP) Expedition 367 and approved by the Environmental Protection and Safety Panel during Expedition 368 as an alternate site should there be time left following completion of the high-priority sites included in the Scientific Prospectus (Sun et al., 2016). Expedition 368 occupied Site U1504 because of the inability to continue drilling below the 990 m deep, cased Hole U1503A.
Expedition 367/368 summary
The primary objectives of International Ocean Discovery Program (IODP) Expedition 367/368 to the northern South China Sea (SCS) margin were to (1) examine its history of continental breakup and (2) compare it with other nonvolcanic or magma-poor rifted margins with the broader goal of testing models for continental breakup. A secondary objective was to further our understanding of the paleoceanographic and environmental development of the SCS and southeast Asia during the Cenozoic.
Expedition 367/368 methods
This introduction provides an overview of operations, depth conventions, core handling, curatorial procedures, and analyses performed on the R/V JOIDES Resolution during International Ocean Discovery Program (IODP) Expeditions 367 and 368. These two expeditions were implemented as a single science program; the methods used were intended to be the same for both expeditions. Any differences are clearly noted in this chapter.
Site U1501
Site U1501 (proposed Site SCSII-41A; 18°53.0923′N, 115°45.9455′E) (Sun et al., 2016) within the South China Sea (SCS) northern margin (Figure F1) is located on a broad regional basement high (outer margin high [OMH]). The OMH is the most landward of four distinct highs within the continent–ocean transition (COT) and is followed seaward by Ridges A, B, and C (Figures F2, F3, F4). Site U1501 is located at 2845.8 m below sea level (mbsl).
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