IOCAS-IR
Neogene Mass Accumulation Rate of Carbonate Sediment Across Northern Zealandia, Tasman Sea, Southwest Pacific
Sutherland, R.1; Dos Santos, Z.1; Agnini, C.2; Alegret, L.3; Lam, A. R.4,5; Westerhold, T.6,7; Drake, M. K.8; Harper, D. T.9; Dallanave, E.6,7; Newsam, C.10; Cramwinckel, M. J.11; Dickens, G. R.12; Collot, J.13; Etienne, S. J. G.13; Bordenave, A.13; Stratford, W. R.14; Zhou, X.15; Li, H.16; Asatryan, G.17
2022-02-01
发表期刊PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
ISSN2572-4517
卷号37期号:2页码:22
通讯作者Sutherland, R.(rupert.sutherland@vuw.ac.nz)
摘要Sediment mass accumulation rate (MAR) is a proxy for paleoceanographic conditions, especially if biological productivity generated most of the sediment. We determine MAR records from pelagic calcareous sediments in Tasman Sea based on analysis of 11 boreholes and >3 million seismic reflection horizon picks. Seismic data from regions of 10,000-30,000 km(2) around each borehole were analyzed using data from International Ocean Discovery Program Expedition 371 and other boreholes. Local MAR was affected by deepwater currents that winnowed, eroded, or deposited seafloor sediment. Therefore, it is necessary to average MARs across regions to test paleoceanographic and productivity models. MARs during the Miocene Climate optimum (18-14 Ma) were slightly lower than Quaternary values but increased on southern Lord Howe Rise at 14-13 Ma, when global climate became colder. Intensification of the Indian and East Asian monsoons at similar to 8 Ma and similar to 3.6 Ma approximately corresponds to the start and end, respectively, of the Biogenic Bloom, which had MARs at least double Quaternary values. On northern Lord Howe Rise, we recognize peak MARs at similar to 7 Ma and similar to 5 Ma. There is no correlation between Neogene MAR and ocean pH or atmospheric CO2 concentration. Neogene MARs are on average higher than Quaternary values. We posit that future long-term productivity in the southwest Pacific could be higher than Quaternary values, but new computer models that can fit our observations are required to test this hypothesis.
关键词paleoceanography biogenic bloom Neogene Miocene Pliocene
DOI10.1029/2021PA004294
收录类别SCI
语种英语
资助项目NSF ; DFG[408178503] ; DFG[446583469] ; Spanish Ministry of Science and Innovation and FEDER funds[PID2019-105537RB-I00]
WOS研究方向Geology ; Oceanography ; Paleontology
WOS类目Geosciences, Multidisciplinary ; Oceanography ; Paleontology
WOS记录号WOS:000763496800013
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/178156
专题中国科学院海洋研究所
通讯作者Sutherland, R.
作者单位1.Victoria Univ Wellington, SGEES, Wellington, New Zealand
2.Univ Padua, Dipartimento Geosci, Padua, Italy
3.Univ Zaragoza, Dept Ciencias Tierra, Zaragoza, Spain
4.Univ Massachusetts, Amherst, MA 01003 USA
5.SUNY Binghamton, Dept Geol, Binghamton, NY USA
6.Univ Bremen, Geosci Dallanave, Bremen, Germany
7.Univ Bremen, MARUM Westerhold, Bremen, Germany
8.Univ Calif Santa Cruz, Dept Ocean Sci, Santa Cruz, CA 95064 USA
9.Univ Kansas, Dept Geol, Lawrence, KS 66045 USA
10.UCL, Earth Sci, London, England
11.Univ Southampton, Ocean & Earth Sci, Natl Oceanog Ctr, Southampton, Hants, England
12.Trinity Coll Dublin, Dept Geol, Dublin, Ireland
13.Geol Survey New Caledonia, DIMENC, Noumea, New Caledonia
14.GNS Sci, Lower Hutt, New Zealand
15.Rutgers State Univ, Environm & Amp Biol Sci, New Brunswick, NJ USA
16.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
17.Museum Nat Kunde, Leibniz Inst Evolut & Biodiversitatsforsch, Berlin, Germany
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Sutherland, R.,Dos Santos, Z.,Agnini, C.,et al. Neogene Mass Accumulation Rate of Carbonate Sediment Across Northern Zealandia, Tasman Sea, Southwest Pacific[J]. PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY,2022,37(2):22.
APA Sutherland, R..,Dos Santos, Z..,Agnini, C..,Alegret, L..,Lam, A. R..,...&Asatryan, G..(2022).Neogene Mass Accumulation Rate of Carbonate Sediment Across Northern Zealandia, Tasman Sea, Southwest Pacific.PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY,37(2),22.
MLA Sutherland, R.,et al."Neogene Mass Accumulation Rate of Carbonate Sediment Across Northern Zealandia, Tasman Sea, Southwest Pacific".PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY 37.2(2022):22.
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