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Hernández-Almeida, Iván; Cortese, Giuseppe; Yu, Pai-Sen; Chen, Min-Te; Kucera, Michal (2017): Core-top radiolarian abundances and environmental data from the western Pacific, East China Sea and South China Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.883474, Supplement to: Hernández-Almeida, I et al. (2017): Environmental determinants of radiolarian assemblages in the western Pacific since the last deglaciation. Paleoceanography, 32(8), 830-847, https://doi.org/10.1002/2017PA003159

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Abstract:
Radiolarians are a very diverse microzooplanktonic group, often distributed in regionally restricted assemblages and responding to specific environmental factors. These properties of radiolarian assemblages make the group more conducive for the development and application of basin-wide ecological models. Here we use a new surface sediment data set from the western Pacific to demonstrate that ecological patterns derived from basin-wide open-ocean data sets cannot be transferred on semirestricted marginal seas. The data set consists of 160 surface sediment samples from three tropical-subtropical regions (East China Sea, South China Sea, and western Pacific), combining 54 new assemblage counts with taxonomically harmonized data from previous studies. Multivariate statistical analyses indicate that winter sea surface temperature at 10 m depth (SSTw) was the most significant environmental variable affecting the composition of radiolarian assemblages, allowing the development of an optimal calibration model (Locally Weighted-Weighted Averaging regression inverse deshrinking, R2cv = 0.88, root-mean-square error of prediction = 1.6°C). The dominant effect of SSTw on radiolarian assemblage composition in the western Pacific is attributed to the East Asian Winter Monsoon (EAWM), which is particularly strong in the marginal seas. To test the applicability of the calibration model on fossil radiolarian assemblages from the marginal seas, the calibration model was applied to two downcore records from the Okinawa Trough, covering the last 18 ka. We observe that these assemblages find most appropriate analogs among modern samples from the marginal basins (East China Sea and South China Sea). Downcore temperature reconstructions at both sites show similarities to known regional SST reconstructions, providing proof of concept for the new radiolarian-based SSTw calibration model.
Related to:
Chang, Fengming; Zhuang, Lihua; Li, Tiegang; Yan, Jun; Cao, Qiyuan; Cang, Shuxi (2003): Radiolarian fauna in surface sediments of the northeastern East China Sea. Marine Micropaleontology, 48(3-4), 169-204, https://doi.org/10.1016/S0377-8398(03)00016-1
Pisias, Nicklas G; Roelofs, Adrienne; Weber, Mysti (1997): Radiolarian-based transfer functions for estimating mean surface ocean temperatures and seasonal range. Paleoceanography, 12(3), 365-379, https://doi.org/10.1029/97PA00582
Coverage:
Median Latitude: 24.781594 * Median Longitude: 129.952656 * South-bound Latitude: -2.200000 * West-bound Longitude: 109.700000 * North-bound Latitude: 40.180000 * East-bound Longitude: 170.920000
Date/Time Start: 1963-06-27T00:00:00 * Date/Time End: 2014-03-07T00:00:00
Minimum DEPTH, sediment/rock: m * Maximum DEPTH, sediment/rock: m
Event(s):
349-U1431A * Latitude: 15.380000 * Longitude: 117.000000 * Date/Time: 2014-01-30T00:00:00 * Elevation: -4248.0 m * Campaign: Exp349 (South China Sea Tectonics) * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL)
349-U1432A * Latitude: 18.350000 * Longitude: 116.390000 * Date/Time: 2014-02-16T00:00:00 * Elevation: -3840.0 m * Campaign: Exp349 (South China Sea Tectonics) * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL)
349-U1433A * Latitude: 12.910000 * Longitude: 115.050000 * Date/Time: 2014-03-07T00:00:00 * Elevation: -4379.0 m * Campaign: Exp349 (South China Sea Tectonics) * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEventHernández-Almeida, Iván
2Station labelStationHernández-Almeida, Iván
3DEPTH, sediment/rockDepthmHernández-Almeida, IvánGeocode
4Reference/sourceReferenceHernández-Almeida, Iván
5Area/localityAreaHernández-Almeida, Ivánbasin
6LATITUDELatitudeHernández-Almeida, IvánGeocode
7LONGITUDELongitudeHernández-Almeida, IvánGeocode
8Sea surface temperature, annual meanSST (1-12)°CHernández-Almeida, Ivánannula mean 10 m
9Sea surface salinitySSSHernández-Almeida, Ivánannual mean 10 m
10Oxygen, apparent utilizationAOUµmol/lHernández-Almeida, Ivánannula mean 10 m
11PhosphorusPµmol/lHernández-Almeida, Ivánannual mean 10 m
12NitrogenNµmol/lHernández-Almeida, Ivánannual mean 10 m
13SiliconSiµmol/lHernández-Almeida, Ivánannual mean 10 m
14Sea surface temperature, winterSST win°CHernández-Almeida, Ivánwinter 10 m
15Sea surface salinity, winterSSS winHernández-Almeida, Ivánwinter 10 m
16Oxygen, apparent utilizationAOUµmol/lHernández-Almeida, Ivánwinter 10 m
17PhosphorusPµmol/lHernández-Almeida, Ivánwinter 10 m
18NitrogenNµmol/lHernández-Almeida, Ivánwinter 10 m
19SiliconSiµmol/lHernández-Almeida, Ivánwinter 10 m
20Sea surface temperature, summerSST sum°CHernández-Almeida, Ivánsummer 10 m
21Sea surface salinity, summerSSS sumHernández-Almeida, Ivánsummer 10 m
22Oxygen, apparent utilizationAOUµmol/lHernández-Almeida, Ivánsummer 10 m
23PhosphorusPµmol/lHernández-Almeida, Ivánsummer 10 m
24NitrogenNµmol/lHernández-Almeida, Ivánsummer 10 m
25SiliconSiµmol/lHernández-Almeida, Ivánsummer 10 m
26Actinomma arcadophorumA. arcadophorum%Hernández-Almeida, Ivánincluding A. medianum
27Actinomma spp.Actinomma spp.%Hernández-Almeida, Iván
28Actinomma leptodermumA. leptodermum%Hernández-Almeida, Iván
29Cromyechinus antarcticaC. antarctica%Hernández-Almeida, Iván
30Amphirhopalum ypsilonA. ypsilon%Hernández-Almeida, Iván
31Actinomma delicatulumA. delicatulum%Hernández-Almeida, Iván
32Euchitonia furcataE. furcata%Hernández-Almeida, Ivánincluding E. elegans
33Actinomma antarcticumA. antarcticum%Hernández-Almeida, Iván
34Larcospira quadrangulaL. quadrangula%Hernández-Almeida, Iván
35Didymocyrtis tetrathalamusD. tetrathalamus%Hernández-Almeida, Iván
36Larcopyle buetschliiL. buetschlii%Hernández-Almeida, Iván
37Spongaster tetrasS. tetras%Hernández-Almeida, Iván
38Spongocore puellaS. puella%Hernández-Almeida, Iván
39Spongopyle resurgensS. resurgens%Hernández-Almeida, IvánSpongopyle resurgens/Spongodiscus osculosa
40Spongotrochus glacialisS. glacialis%Hernández-Almeida, Iván
41Stylatractus spp.Stylatractus spp.%Hernández-Almeida, Iván
42Hexapyle dodecantha groupH. dodecantha gr%Hernández-Almeida, Iván
43Tetrapyle spp.Tetrapyle spp.%Hernández-Almeida, IvánTetrapyle/Octopyle spp.
44Lithopera baccaL. bacca%Hernández-Almeida, Iván
45Amphispyris reticulataA. reticulata%Hernández-Almeida, Iván
46Zygocircus sp.Zygocircus sp.%Hernández-Almeida, Iván
47Carpocanium spp.Carpocanium spp.%Hernández-Almeida, Iván
48Lamprocyrtis nigriniaeL. nigriniae%Hernández-Almeida, Iván
49Lophospyris pentagonaL. pentagona%Hernández-Almeida, Iván
50Giraffospyris angulataG. angulata%Hernández-Almeida, Iván
51Phormospyris stabilis scaphipesP. stab. scaphipes%Hernández-Almeida, Iván
52Phormospyris stabilis stabilisP. stabilis stabilis%Hernández-Almeida, Iván
53Lamprocyclas junonisL. junonis%Hernández-Almeida, Iván
54Botryostrobus auritusB. auritus%Hernández-Almeida, Ivánincluding B. australis
55Botryocyrtis scutumB. scutum%Hernández-Almeida, Iván
56Pterocanium spp.Pterocanium spp.%Hernández-Almeida, Iván
57Pterocanium praetextum praetextumP. praetextum praetextum%Hernández-Almeida, Iván
58Pterocanium trilobumP. trilobum%Hernández-Almeida, Iván
59Dictyophimus hirundoD. hirundo%Hernández-Almeida, Iván
60Siphocampe corbulaS. corbula%Hernández-Almeida, Iván
61Botryostrobus aquilonarisB. aquilonaris%Hernández-Almeida, Iván
62Cycladophora davisianaC. davisiana%Hernández-Almeida, Iván
63Cycladophora bicornisC. bicornis%Hernández-Almeida, Iván
64Theocorythium tracheliumT. trachelium%Hernández-Almeida, Iván
65Ceratospyris borealisC. borealis%Hernández-Almeida, Iván
66Antarctissa denticulataA. denticulata%Hernández-Almeida, Iván
67Lamprocyclas maritalisL. maritalis%Hernández-Almeida, Iván
68Dictyocoryne groupDictyocoryne gr%Hernández-Almeida, Iván
69ColonialsColonials%Hernández-Almeida, Iván
70Cenosphaera spp.Cenosphaera spp.%Hernández-Almeida, Iván
71Spongodiscus spp.Spongodiscus spp.%Hernández-Almeida, Iván
72Stylodyctya groupStylodyctya gr%Hernández-Almeida, Iván
73Stylochlamydium groupStylochlamydium gr%Hernández-Almeida, Iván
74Spongurus ellipticaS. elliptica%Hernández-Almeida, Iván
75Spongurus sp.Spongurus sp.%Hernández-Almeida, Iván
76Larcopyle weddelliumL. weddellium%Hernández-Almeida, Iván
77Pterocorys hertwigiiP. hertwigii%Hernández-Almeida, Ivánincluding P. zancleus/minithorax
78Spongurus pylomaticusS. pylomaticus%Hernández-Almeida, Iván
79Axoprunum stauraxoniumA. stauraxonium%Hernández-Almeida, Iván
80Stylatractus universusS. universus%Hernández-Almeida, Iván
81Acanthosphaera actinotaA. actinota%Hernández-Almeida, Iván
82Acanthosphaera bemardiA. bemardi%Hernández-Almeida, Iván
83Acanthosphaera sp.Acanthosphaera sp.%Hernández-Almeida, Iván
84Actinomma solA. sol%Hernández-Almeida, IvánActinomma sol/Thecosphaera inermis
85Anomalacantha dentataA. dentata%Hernández-Almeida, Iván
86Arachnocorys umbeliferaA. umbelifera%Hernández-Almeida, Iván
87Archipilium sp.Archipilium sp.%Hernández-Almeida, Ivánsp. 1
88Buccinosphaera invaginataB. invaginata%Hernández-Almeida, Iván
89Callimitra emmaeC. emmae%Hernández-Almeida, Iván
90Carpocanarium papillosumC. papillosum%Hernández-Almeida, Iván
91Cathrocyclas sp.Cathrocyclas sp.%Hernández-Almeida, Ivánsp. A
92Centrobotrys thermophilaC. thermophila%Hernández-Almeida, Iván
93Circodiscus microporusC. microporus%Hernández-Almeida, Iván
94Cladococcus cervicornisC. cervicornis%Hernández-Almeida, Ivánincluding C. viminalis
95Clathrocanium diademaC. diadema%Hernández-Almeida, Iván
96Clathrocorys teuscheriC. teuscheri%Hernández-Almeida, Iván
97Cornutella profundaC. profunda%Hernández-Almeida, Iván
98Corocalyptra columbaC. columba%Hernández-Almeida, Iván
99Corocalyptra craspedotaC. craspedota%Hernández-Almeida, Iván
100Cubotholus octocerasC. octoceras%Hernández-Almeida, Iván
101Cyrtopera lagunculaC. laguncula%Hernández-Almeida, Iván
102Dictyophimus infabricatusD. infabricatus%Hernández-Almeida, Iván
103Diplocyclas bicoronaD. bicorona%Hernández-Almeida, Iván
104Dipylissa bensoniD. bensoni%Hernández-Almeida, Iván
105Druppatractus variabilisD. variabilis%Hernández-Almeida, Iván
106Eucecryphalus sestrodiscusE. sestrodiscus%Hernández-Almeida, Iván
107Heliodiscus asteriscusH. asteriscus%Hernández-Almeida, Ivánincluding echiniscus
108Lamprocyrtis hanaeL. hanae%Hernández-Almeida, Iván
109Lamprocyrtis sp.Lamprocyrtis sp.%Hernández-Almeida, Iván
110Lampromitra groupLampromitra gr%Hernández-Almeida, Iván
111Lipmanella virchowiiL. virchowii%Hernández-Almeida, Iván
112Lithomelissa setosaL. setosa%Hernández-Almeida, Iván
113Lithomelissa thoracitesL. thoracites%Hernández-Almeida, Iván
114Lithomitra lineataL. lineata%Hernández-Almeida, Iván
115Lithostrobus hexagonalisL. hexagonalis%Hernández-Almeida, Iván
116Lophophaena hispidaL. hispida%Hernández-Almeida, Iván
117Lophophaenoma witjaziiL. witjazii%Hernández-Almeida, Iván
118Lophospyris pentagona hyperboreaL. pent. hyperborea%Hernández-Almeida, Iván
119Nephrospyris renillaN. renilla%Hernández-Almeida, Iván
120Peripyramis circumtextaP. circumtexta%Hernández-Almeida, Iván
121Peromelissa phalacraP. phalacra%Hernández-Almeida, Iván
122Phorticium pyloniumP. pylonium%Hernández-Almeida, Iván
123Plagonidae groupPlagonidae gr%Hernández-Almeida, Iván
124Plegmosphaera entodictyonP. entodictyon%Hernández-Almeida, Iván
125Pseudodictyophimus gracilipesP. gracilipes%Hernández-Almeida, Iván
126Pteroscenium pinnatumP. pinnatum%Hernández-Almeida, Iván
127Saturnalis circularisS. circularis%Hernández-Almeida, Iván
128Sethocorys odysseusS. odysseus%Hernández-Almeida, Iván
129Sethodiscus macrococcusS. macrococcus%Hernández-Almeida, Iván
130Sethophormis aureliaS. aurelia%Hernández-Almeida, Iván
131Sethophormis rotulaS. rotula%Hernández-Almeida, Iván
132Spirocyrtis scalarisS. scalaris%Hernández-Almeida, Iván
133SpongoplegmaSpongoplegma%Hernández-Almeida, Iván
134Stichocorys seriataS. seriata%Hernández-Almeida, Iván
135Streblacantha circumtextaS. circumtexta%Hernández-Almeida, Iván
136Stylosphaera melporneS. melporne%Hernández-Almeida, Iván
137Styptosphaera spongiaceaS. spongiacea%Hernández-Almeida, Iván
138Theopilium tricostatumT. tricostatum%Hernández-Almeida, Iván
139Tholospyris ramosaT. ramosa%Hernández-Almeida, Iván
140Tholospyris tripodiscusT. tripodiscus%Hernández-Almeida, Iván
141Tripodospiris sp.Tripodospiris sp.%Hernández-Almeida, Iván
142Tholospyris sp.Tholospyris sp.%Hernández-Almeida, Iván
143Porodiscus ellipticusP. ellipticus%Hernández-Almeida, Iván
144Spongotrochus sp.Spongotrochus sp.%Hernández-Almeida, Iván
145Anthocyrtidium ophirenseA. ophirense%Hernández-Almeida, Iván
146Anthocyrtidium zanguebaricumA. zanguebaricum%Hernández-Almeida, Iván
147Hexacontium aristarchiH. aristarchi%Hernández-Almeida, Iván
148Hexacontium enthacanthumH. enthacanthum%Hernández-Almeida, Iván
149Hexacontium laevigatumH. laevigatum%Hernández-Almeida, Iván
150Hexacontium pachydermumH. pachydermum%Hernández-Almeida, Iván
151Hexacontium spp.Hexacontium spp.%Hernández-Almeida, Iván
152Lithelius minorL. minor%Hernández-Almeida, Iván
153Lithelius nautiloidesL. nautiloides%Hernández-Almeida, Iván
154Lithelius spiralisL. spiralis%Hernández-Almeida, Iván
155Lithelius spp.Lithelius spp.%Hernández-Almeida, Iván
156Lithelius xanthiformisL. xanthiformis%Hernández-Almeida, Iván
157Eucyrtidium acuminatumE. acuminatum%Hernández-Almeida, Iván
158Eucyrtidium anomalumE. anomalum%Hernández-Almeida, Iván
159Eucyrtidium hexagonatumE. hexagonatum%Hernández-Almeida, Iván
160Eucyrtidium spp.Eucyrtidium spp.%Hernández-Almeida, Iván
Size:
24960 data points

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