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1,661 results for “China Seas”
Table S1 The grain size, TOC and elemental composition of sediment samples in the northern South China Sea
<p><span>Grain size measurements of the sediments were carried out on a Mastersizer 3000 laser particle size analyzer</span><span>. Prior to analysis organic matter was removed by leaching the sediment with 15% H<sub>2</sub>O<sub>2</sub>. Total organic carbon (TOC) of the sediments was measured in </span><span>Thermo EA-IsoLink elemental analyzer</span><span>. Prior to analysis carbon bound to carbonate minerals was removed by leaching the sediment with 10% HCl. Total element concentrations (Al, Ca, Ti, Fe, Mn) of the bulk sediments were measured after acid digestion (HF, HNO<sub>3</sub> and HCl) by </span><span>Thermo iCAP 7400 ICP-OES</span><span>. Solid phase iron speciation data were measured following sequential Fe extraction (Fe<sub>carb</sub>, Fe<sub>ox</sub>, Fe<sub>mag</sub>, Fe<sub>py</sub>) by T</span><span>hermo iCAP 7400 ICP-OES</span><span>.</span></p>
Seismic Imaging and Identification of Cold Seep Plumes in the Shenhu Area, Northern Continental Slope of the South China Sea
<p>The upload <a href="https://zenodo.org/api/records/14786925/draft/files/pstm_final.dat/content" target="_blank" rel="noopener noreferrer">pstm_final.dat</a> is the final pre-stacked time migration section which is used in our paper. <a href="https://zenodo.org/uploads/14786925" target="_blank" rel="noopener noreferrer">read_dat_file.m</a> is a MATLAB script, which is used to read dat file and plot the image. </p>
Data for Manuscript "Deep-Water Near-Inertial Waves and Turbulence on a Continental Slope in the South China Sea during Typhoon Mangkhut (2018)"
<p>Data for manuscript "Deep-Water Near-Inertial Waves and Turbulence on a Continental Slope in the South China Sea during Typhoon Mangkhut (2018)".</p>
Contrasting sensitivity of weathering proxies to Quaternary climate and sea-level fluctuations on the southern slope of the South China Sea
<p>Tropical marginal seas host important sedimentary archives that may be exploited to reveal past changes in continental erosion, chemical weathering, and ocean dynamics. However, these records can be challenging to interpret due to the complex interactions between climate and particulate transport across ocean margins. For the southern South China Sea over the last 90 kyr, we observe a contrasting temporal relationship between the deposition of clay minerals and magnetic minerals, which were associated with two different hydrodynamic modes. Fine-grained clay minerals can be carried in suspension by ocean currents, leading to a rapid response to regional climate-driven inputs. In contrast, changes in magnetic mineralogy were linked to glacial-interglacial sea-level variability, from which we infer a control by bedload transport and resuspension. Overall, this study indicates that the transfer pathways and mechanisms imparted by varying hydrodynamic conditions exert a substantial influence on the distribution of terrigenous material in continental margin sediments.</p>
Fig. 8 in Tanaidaceans from Brunei III. A New Genus and Two New Species of Shallow-water Sphyrapodids (Crustacea: Peracarida: Tanaidacea) from the South China Sea
Fig. 8. Poligarida keriakis sp. nov., allotype male, A, antennule; B, left cheliped. Scale: 0.2 mm.
Fig. 5 in Tanaidaceans from Brunei III. A New Genus and Two New Species of Shallow-water Sphyrapodids (Crustacea: Peracarida: Tanaidacea) from the South China Sea
Fig. 5. Poligarida keriakis sp. nov., A, female holotype; B, male allotype. Scale: 1 mm.
Reoxygenation in the East China Sea
<p>Hypoxia and upwelling co-occurred in the summer, and the well-mixed water often reaches the subsurface in the East China Sea (ECS), especially off the Changjiang River estuary. The impact of upwelling on the hypoxia and, therefore, on the ECS ecosystem is not well evaluated. This study demonstrates several positive and negative effects of upwelling on hypoxia and its impact on the ecosystem. This dataset contains data collected from four cruises in the summer of 2003 (June 18–26 and August 13–23) and 2014 (July 16–29 and August 20–31) on the R/V Ocean Researcher I and V in the East China Sea described in the paper: "Chung-Chi Chen, Dong S. Ko, Gwo-Ching Gong, Chun-Chi Lien, Wen-Chen Chou, Hung-Jen Lee, Fuh-Kwo Shiah, Yu-Sin Wita Huang (2022). Reoxygenation of the hypoxia in the East China Sea: A ventilation opening for marine life. <i>Frontiers in Marine Science</i> ". The presented variables include: temperature, salinity, dissolved oxygen, dissolved inorganic nutrients (nitrate and phosphate), and Chl <i>a </i>in this study.</p> <p>Main results of this study included nine figures and two tables as described in the paper, and please refer it for further details.</p>
Geochemical significance of Acropora death assemblages in the northern South China Sea: implications for environmental reconstruction using branching corals
<p>The datasets contain the Sr/Ca, Li/Mg, 𝛅<sup>11</sup>B, B/Ca, 𝛅<sup>13</sup>C and 𝛅<sup>18</sup>O determinations of the <em>Acropora</em> death assemblages collected off south Hainan Island in the northern South China Sea. </p>
Latitudinal cline in the foraging dichotomy of loggerhead sea turtles reveals the importance of East China Sea for priority conservation
<p><strong>Aim:</strong> Quantifying the importance of habitat areas for conservation of highly migratory marine species with complex life histories can be challenging. For example, loggerhead turtles (Caretta caretta) nesting in Japan forage both oceanically and neritically after their reproductive period. Here, we aimed to quantify the proportions of turtles using these two contrasting habitats (foraging dichotomy) to suggest priority conservation areas.</p> <p><strong>Methods:</strong> We examined the occurrence of foraging dichotomy at three nesting sites (Ishigaki, Okinoerabu Islands, and Ichinomiya) based on stable isotope analysis of the egg yolks for 82 turtles and satellite tracking of post-nesting migration for 12 turtles. Moreover, we used the data of three other sites from previous studies (Yakushima Island, Minabe, and Omaezaki).</p> <p><strong>Results:</strong> Two neritic foraging grounds (East China Sea and the coastal area of the Japanese archipelago), and an oceanic ground (North Pacific Ocean) were identified. We found a latitudinal cline with respect to the occurrence of foraging dichotomy; >84% of the females nesting at southern sites (Ishigaki and Okinoerabu Islands), 73% at middle sites (Yakushima Island and Minabe), and <46% at northern sites (Omaezaki and Ichinomiya) were neritic foragers; the proportion of oceanic foragers increased at northern sites. Based on the annual number of nests in the entire nesting region of Japan, satellite tracking, and the latitudinal cline of foraging dichotomy, we estimated that 70% and 9% of annual nesting females in Japan utilise the neritic foraging habitat in the East China Sea and the coastal area of the Japanese archipelago, respectively and that and 22% utilise the oceanic habitat of the North Pacific Ocean.</p> <p><strong>Main conclusions:</strong> The East China Sea represents a critical foraging habitat for the North Pacific populations of endangered loggerhead sea turtles. Our findings emphasise the need for international management to ensure their protection.</p>
The oxygen isotope of phosphate in the East China Sea in 2020
<p>For the analysis of the main sources of phosphate in the ESC during summer, we choose the area between 120.93 ˚ E-125.9 ˚ E and 26.08˚ N-32.35 ˚ N as research sites . The samples were all from the voyage of the research ship (Xiangyanghong 18). Surface seawater was collected at 49 stations for δ<sup>18</sup>O<sub>p</sub> analysis by a conductivity-temperature-depth profiler. Then we utilized δ<sup>18</sup>O<sub>p</sub> to trace the source of phosphate in the ESC. </p> <p>The δ<sup>18</sup>O<sub>p</sub> values in seawater are affected by water masses with different phosphate concentrations.We need the two-component mixing model for the analysis of water masses that control phosphate.In this research, atmospheric deposition and adjacent sea transportation were used as terrestrial and seawater end-members respectively to construct the δ<sup>18</sup>O<sub>p</sub> end-member mixing model.</p> <p>In order to quantify the source of phosphate in the sea, a Bayesian isotope mixing model run in the R software package (Stable Isotope Analysis in R, SIAR) was selected for analysis.</p>
Carbon isotopic constraints on basin-scale vertical and lateral particulate organic carbon dynamics in the northern South China Sea
<p>This dataset includes:(1) Table S1. Time-series of total mass fluxes, POC content, POC fluxes, Lithogeinic matter content, lithogenic matter flux, C/N mole ratio,as well as the POC isotopic compositions (δ<sup>13</sup>C, <em>F</em><sub>m</sub>) for sediment trap intercepted sinking particles (n = 59) in the northern South China Sea basin . (2) Table S2. Time-series monthly dust deposition (dry+wet) at station SCS-N of northern South China Sea basin. (3) Table S3. POC content and radiocarbon isotopic compositions for sediment trap intercepted bulk organic carbon from the South China Sea supplementary to one-year time series (2014-2015) published in Blattmann, T.M. et al., 2018. Geophysical Research Letters, 45(17): 9077-9086. (4) Table S4. Time-series clay mineral content and compositions for sediment trap intercepted sinking particles from the South China Sea supplementary to one-year time series (2009-2010) published in Schroeder A. et al., 2015 . Earth Planet. Sci. Lett. 430: 30–42. The dataset is archived in .xlsx data format, consists of four data files with data size of 34 KB.</p>
Bottom-reached Near-inertial Waves Induced by the Tropical Cyclones, Conson and Mindulle, in the South China Sea
<p>This dataset contains the near-inertial velocity data observed by the mooring at 110.4°E, 17.1°N. It is supplementary to the paper "<strong>Bottom-reached Near-inertial Waves Induced by the Tropical Cyclones, Conson and Mindulle, in the South China Sea</strong>" submitted to the <em>Journal of Geophysical Research: Oceans</em>. </p>
Drivers of phytoplankton variability in and Near the Pearl River Estuarine, South China Sea during Typhoon Hato (2017): A numerical study
<p>Simulated and Observed data for JGR manuscript: Drivers of phytoplankton variability in and Near the Pearl River Estuarine, South China Sea during Typhoon Hato (2017): A numerical study. Please read the "A Data Interpretation - README.pdf" before loading the dataset.</p>
Air mass exposure to chlorophyll a (AEC) over the eastern China seas during 2009 to 2020
<p>This dataset contains (1) air mass exposure to chlorophyll <em>a</em> (AEC) values, (2) air mass retention ratio over the land (<em>R<sub>L</sub></em>), (3) marine air mss retention ratio within the boundary layer (<em>R<sub>MBL</sub></em>), and (4) harmonic means of boundary layer height along the air mass trajectory (BLH_traj) over the eastern China seas spanning from 2009 to 2020. The domain (23−37° N, 117−130° E) includes the south Yellow Sea (YS), the East China Sea (ECS), and part of Northwest Pacific, which is divided into 145 grids with a spatial resolution of 1° × 1°. The time period is 1 January 2009 − 31 December 2020, and the time resolution is 6 hours. The tracking time of initial trajectory is 72 hours.</p> <p>The Matlab scripts for calculating the abovementioned indices are also given. The main code includes "AEC_Cal_Multi.m", "AirmasstoChla.m", and "BLH_traj_multi.m".</p>
Aerosol measurements over the eastern China seas during 2017 to 2020
<p>This dataset contains the concentrations of trace elements and water-soluble ions in total suspended particles (TSP) over the eastern China seas on four cruises during (1) 27 March – 14 April 2017 (spring), (2) 27 June – 19 July 2018 (summer), (3) 28 December 2019 – 17 January 2020 (winter), and (4) 12 – 29 October 2020 (autumn). The air mass exposure to chlorophyll <em>a</em> (AEC), air mass retention ratio over the land (<em>R<sub>L</sub></em>), marine air mss retention ratio within the boundary layer (<em>R<sub>MBL</sub></em>), and harmonic means of boundary layer height along the air mass trajectory (BLH_traj) corresponding to each TSP sample are also presented. The calculation code for these indices is available at https://doi.org/10.5281/zenodo.7056981.</p>
Fig. 31 in Report on the Hippolytidae Bate (sensu lato) from China seas
Fig. 31. Thor amboinensis (De Man, 1888), carapace, lateral view. Scale bar = 1 mm.
Fig. 22 in Report on the Hippolytidae Bate (sensu lato) from China seas
Fig. 22. Eualus leptognathus (Stimpson, 1860), carapace, lateral view. Scale bar = 1 mm.
Fig. 5 in Report on the Hippolytidae Bate (sensu lato) from China seas
Fig. 5. Saron marmoratus (Olivier, 1811). Carapace lateral view. Scale bar = 1 mm.
Fig. 4 in Report on the Hippolytidae Bate (sensu lato) from China seas
Fig. 4. Latreutes planirostris (De Haan, 1844). Carapace, lateral view. Scale bar = 1 mm.
Fig. 3. Latreutes laminirostris Ortmann, 1890 in Report on the Hippolytidae Bate (sensu lato) from China seas
Fig. 3. Latreutes laminirostris Ortmann, 1890. Carapace, lateral view. Scale bar = 1 mm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.