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710 results for “seamount”
Enrichment index related to seamounts and islands in the South West Indian Ocean from chlorophyll-a satellite remote sensing data
<p>This data set is the result of the calculation of an original “enrichment index” (EI) from chlorophyll-a (chl-a) remote sensing data (MODIS-Aqua sensor) and initially dedicated to highlight localized chl-a enrichments associated to isolated seamounts and islands in the South West Indian Ocean, in order to estimate their contribution in increasing the local primary productivity. Details and results are described in the DSR-II paper entitled “Satellite observations of phytoplankton enrichments around seamounts in the South West Indian Ocean with a special focus on the Walters Shoal” from Demarcq et al. 2020.<br> 1. Initial data used<br> We used daily L3 data chl-a and sea surface temperature (SST) collected by the MODIS (Moderate-resolution Imaging Spectroradiometer) sensor on board the Aqua platform (downloaded from https://oceancolor.gsfc.nasa.gov/) from January 2003 to December 2018. This has a spatial resolution of 1/24° (ca. 4.5–5 km). The data covers the region (45°S – 10°S / 25°W – 80°W).<br> 2. The calculation method<br> The calculations were done at the pixel level. The EI is the difference (expressed in %) between the value of each ‘candidate pixel’ and its medium range surrounding, defined as the average value of all chl-a values around the candidate pixel between a fix range of distance between 30 and 90 km, the R1 and R2 terms of the equation enclosed.<br> 3. Data sets<br> The data set contains two files:<br> - the monthly climatology (12 frames) of the EI from January to December (2003 to 2018 average), in an internally compressed netCDF-4 format (NC-compliant or almost)<br> - the yearly average of the EI (period 01/2003 - 12/2018)<br> <br> Two images are joined with this data set:<br> - a "technical view" of the yearly average of the index for the full region sub-region (45°S – 10°S / 25°W – 80°W)<br> (file: indsw4_modis_p100_4km_16y_20030101_20181231.R2018.0.enrichment-index.dist-30-90km.png).</p> <p> - a slightly improved view of the yearly average of the index for the sub-region (40°S – 10°S / 30°W – 70°W).<br> (file: Figure-enrichment-index.pdf)<br> <br> An improved version of this index will be available in a near future.</p>
Indicative distribution map for Ecosystem Functional Group M3.4 Seamounts, ridges and plateaus
<p>This archive contains indicative distribution maps and profiles for <strong>M3.4 Seamounts, ridges and plateaus</strong>, a ecosystem functional group (EFG, level 3) of the <a href="https://global-ecosystems.org/">IUCN Global Ecosystem Typology</a> (v2.0). Please refer to Keith <em>et al.</em> (2020) for details.</p> <p>The descriptive profiles provide brief summaries of key ecological traits and processes, maps are indicative of global distribution patterns, and are not intended to represent fine-scale patterns. The maps show areas of the world containing major (value of 1, coloured red) or minor occurrences (value of 2, coloured yellow) of each ecosystem functional group. Minor occurrences are areas where an ecosystem functional group is scattered in patches within matrices of other ecosystem functional groups or where they occur in substantial areas, but only within a segment of a larger region. Given bounds of resolution and accuracy of source data, the maps should be used to query which EFG are likely to occur within areas, rather than which occur at particular point locations. Detailed methods and references for the maps are included in the profile (xml format).</p>
Accessible Oceans: Auditory Display. Longterm Axial Seamount Inflation Record
<p>The thirteen tracks make up an auditory display of the Longterm Axial Seamount Inflation Record. The tracks in the auditory display are comprised of data sonifications and contextual audio supports (dialogue, auditory icons, and music). You may <a href="https://samply.app/p/MViV0dJLZjJpFXEHN8EA">listen online here</a>.</p> <p>The display leverages data from NOAA PMEL that extend the record of the National Science Foundation (NSF) Ocean Observatories Initiative (OOI) data back to 1997. This audio display focuses on the long-term pattern observed by bottom pressure recorders where the seafloor inflates (lifts), then an eruption event occurs, and the seafloor drops.</p> <p>The “Accessible Oceans” AISL Pilots and Feasibility study aims to inclusively design auditory displays that support the perception and understanding of ocean data in informal learning environments (ILEs). More can be found on the project website: <a href="https://accessibleoceans.whoi.edu/">https://accessibleoceans.whoi.edu/</a></p>
Accessible Oceans: Auditory Display. 2015 Axial Seamount Eruption
<p>The ten tracks make up an auditory display of the 2015 Axial Seamount Eruption. The ten tracks in the auditory display are comprised of data sonifications and contextual audio supports (dialogue, auditory icons, and music). You may <a href="https://samply.app/p/qRKlQUoRe1n8TWDZOhTn">listen online here</a>.</p> <p>The data comes from the National Science Foundation (NSF) Ocean Observatories Initiative (OOI) and the display is based on the OOI Nugget developed by Dr. Leslie Smith. (<a href="https://datalab.marine.rutgers.edu/ooi-nuggets/axial-eruption/">https://datalab.marine.rutgers.edu/ooi-nuggets/axial-eruption/</a>)</p> <p>The “Accessible Oceans” AISL Pilots and Feasibility study aims to inclusively design auditory displays that support the perception and understanding of ocean data in informal learning environments (ILEs). More can be found on the project website: <a href="https://accessibleoceans.whoi.edu/">https://accessibleoceans.whoi.edu/</a></p>
Fig. 5 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 5. Neostygarctus grossmeteori sp. nov. Paratype, ♀ (SMF 52), details. A. Lateral body processes, ventral view. B–D. Legs I (left and right) and IV. E. Genital area. Scale bars: A = 50 μm; B–E = 20 μm.
Fig. 2 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 2. Neostygarctus grossmeteori sp. nov., entire. A. Holotype, ♀ (SMF 51), dorsal view. B. Paratype, Ƌ (SMF 58), ventral view. Scale bar = 100 μm.
Fig. 1 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 1. Type locality and milieu of Neosstygarctus grossmeteori sp. nov. A. Position of the Great Meteor Seamount in the Atlantic Ocean. B. Bioclastic sediment consisting mainly of calcareous foraminiferan and pteropod shells (fine fraction of sediment washed off). Scale bar = 2 mm.
Fig. 4 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 4. Neostygarctus grossmeteori sp. nov., optical photopictures. A. Paratype, ♀ (SMF 54), entire body, dorsal view. B. Holotype, ♀ (SMF 51), entire body, ventral view. C–E. Paratype of obscure gender (SMF 59). C–D. Areas of dorsal surface of body with spines. E. Lateral body projections. F. Holotype, ♀ (SMF 51), posterior body with female gonopore and anus. Scale bars: A–B = 50 μm; C–F = 20 μm.
Fig. 3 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 3. Neostygarctus grossmeteori sp. nov., heads. A. Holotype, ♀ (SMF 51), dorsal view. B. Paratype, ♀ (SMF 52), ventral view. Scale bar = 50 μm.
Fig. 6 in A new tardigrade species of the genus Neostygarctus Grimaldi de Zio et al., 1982 (Tardigrada, Arthrotardigrada) from the Great Meteor Seamount, Northeast Atlantic
Fig. 6. Neostygarctus grossmeteori sp. nov., details, SEM. A. Female, entire body, ventral view. B. Right secondary clava and outer cirrus on the head, ventral view. C. Ventral conical spikes on the basal part of the lateral body process. D. Right lateral body processes. E. Lateral fan of spines with membrane on the posteriormost body segment. F. Toes with claws of the leg IV ventrally, dorsal tendon detached in some toes. G. Inner and outer claws, dorsal view. H. Accordion-like joint of the cirrus E. Scale bars: A = 30 μm; B, D, F = 10 μm; C, E, G–H = 3 μm.
Fig. 16 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 16. Geographic distribution of the species of Atlantisina gen. nov., Bathycyclopora gen. nov. and Calvetopora gen. nov.; names in white represent sites on or close to the continental shelf, whereas names in black indicate offshore seamount and island sites. Abbreviations: A.ac = Atlantisina acantha gen. et sp. nov.; A.at = Atlantisina atlantis gen. et sp. nov.; A.go = Atlantisina gorringensis gen. et sp. nov.; A.in = Atlantisina inarmata gen. et sp. nov.; A.li = Atlantisina lionensis gen. et sp. nov.; A.me = Atlantisina meteor gen. et sp. nov.; A.se = Atlantisina seinensis gen. et sp. nov.; A.tr = Atlantisina tricornis gen. et sp. nov.; B.su = Bathycyclopora suroiti gen. et sp. nov.; B.vi = Bathycyclopora vibraculata gen. et comb. nov.; C.in = Calvetopora inflata gen. et comb. nov.; C.ot = Calvetopora otapostasis gen. et sp. nov.; C.sp. = Calvetopora sp.
Fig. 13 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 13. Calvetopora inflata (Calvet, 1906) gen. et comb. nov., Gulf of Cádiz, holotype (MNHN- IB-2008-2470). A. Overview of the periancestrular part of the colony. B. Close-up of the ancestrula and the first two autozooids. C. Maternal autozooids at the colony growth margin. D. Lateral view of an ovicellate zooid. E. Distal view of the colony growth margin showing the kenozooidal origin of the ooecia. F. Close-up of an avicularium. Scale bars: A, C = 500 µm; B, D = 200 µm; E = 300 µm; F = 50 µm.
Fig. 7 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 7. Atlantisina lionensis gen. et sp. nov., Lion Smt, paratype (MNHN-IB-2014-67). A. Colony overview. B. Orifice and slightly damaged ooecium. C. Ovicellate zooids at the colony growth margin. D. Close-up of the suboral crest. Scale bars: A = 500 µm; B, D = 50 µm; C = 100 µm.
Fig. 6 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 6. Atlantisina tricornis gen. et sp. nov. A. Early colony development; note the presence of the maternal 5th-generation autozooid at centre right (paratype MNHN-IB-2014-64, N Iberian slope). B. Ovicellate zooids (paratype MNHN-IB-2014-65, N Iberian slope). C. Close-up of orifice (paratype MNHN-IB-2014-65, N Iberian slope). D. Lateral view of suboral crests (holotype MNHN-IB-2014-60, N Iberian slope). E. Colony from Galicia Bank forming biserial ribbons; note the relatively broad ooecia (MNHN-IB-2014-279). F. Colony from the W Iberian slope (photo taken by J. Souto); note the bifid tips in some of the mucrones (zooid at lower left) while other suboral crests (zooid at top right) have a simple trident (MNHN-IB-2008-7194). Scale bars: A, E–F = 300 µm; B, D = 200 µm; C = 50 µm.
Fig. 5 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 5. Atlantisina seinensis gen. et sp. nov., Seine Smt, holotype (MNHN-IB-2014-57). A. Autozooids and ovicellate zooids. B. Lateral view showing the vertical dimensions of the suboral umbones. C. Orifice. D. Ooecium. E. Early ontogenetic zooid with a fully formed ooecium. Scale bars: A–B = 200 µm; C–D = 50 µm; E = 100 µm.
Fig. 4 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 4. Atlantisina inarmata gen. et sp. nov. Canary Islands. A. Overview of holotype, optical image (MNHN-IB-2014-53). B. Several autozooids and ovicellate zooids (paratype MNHN-IB-2014-55). C. Close-up of the orifice and the deeply pitted ooecium (paratype MNHN-IB-2014-55). D. Periancestrular region (paratype OLL 2016/140). E. An autozooid at the colony growth margin (paratype MNHN-IB-2014-54). F. An autozooid with a borehole in the frontal shield (centre), and one with an intramural bud (at right), indicated by the presence of a secondary orifice rim (paratype MNHN- IB-2014-54). Scale bars: A = 500 µm; B = 300 µm; C = 50 µm; D = 200 µm; E, F = 100 µm.
Fig. 12 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 12. Baythycyclopora suroiti gen. et sp. nov., Atlantis Smt. A. Overview of a partly damaged colony (paratype, OLL 2016/149). B. Ovicellate zooids (paratype, MNHN-IB-2014-77). C. Close-up of an orifice (paratype, MNHN-IB-2014-77). D. Ancestrula and the first two autozooids (paratype, OLL 2016/126). E. Interzooidal avicularium; note the single communication pore per neighbouring zooid as well as the extensive cryptocystal calcification surrounding it and the thin peripheral band of gymnocyst (paratype, MNHN-IB-2014-77). F. Close-up of adventitious avicularium (paratype, MNHN- IB-2014-77). G. Lateral view of oral spines (holotype, MNHN-IB-2014-73). Scale bars: A = 500 µm; B, D–E, G = 200 µm; C, F = 50 µm.
Fig. 3 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 3. Atlantisina meteor gen. et sp. nov., Great Meteor Bank A. Overview of holotype (OLL 2016/130a). B. Several autozooids and ovicellate zooids (holotype OLL 2016/130a). C. Orifice (paratype MNHN- IB-2014-50). D. Ooecium (holotype OLL 2016/130a). E. Periancestrular region (SMF 40.040). F. Unbleached autozooids with typical whip-like spines (paratype OLL 2016/133a). Scale bars: A = 1 mm; B = 300 µm; C = 50 µm; D = 100 µm; E–F = 200 µm.
Fig. 1 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 1. Morphological characteristics of Atlantisina gen. nov. A. The kenozooidal ooecium of Atlantisina lionensis gen. et sp. nov. in lateral view (paratype MNHN-IB-2014-67), showing the broad band of ectooecium and the centrally exposed endooecium; note that the suboral crest is formed by smooth gymnocyst whereas the remaining frontal shield is cryptocystidean. B. Distal view of an autozooid of Atlantisina meteor gen. et sp. nov. showing two distolateral communication pores and the slightly raised central pore from which the ooecium is budded (paratype MNHN-IB-2014-50); note the broad band of cryptocyst bounding the septular pores, and that the remaining parts of the distolateral vertical walls and orifice are entirely gymnocystal. C. Oral region of an ovicellate zooid of Atlantisina atlantis gen. et sp. nov. (paratype MNHN-IB-2014-49), showing the contact between the cryptocystidean frontal shield and the gymnocystal distal part of the zooecium; note that the frontal shield is superpositioned on the condyles (white arrow) and meets the distolateral vertical walls in a sinusoidal suture (black arrow). D. Initial stages of zooid formation with the lateral walls being partly broken, showing the large basal pore chambers in Atlantisina atlantis gen. et sp. nov. (paratype OLL 2016/123). E. Slightly oblique view of the ancestrula of Atlantisina tricornis gen. et sp. nov. (paratype MNHN-IB-2014-64); note the simple tatiform morphology, the absence of a cryptocyst, and the slightly restricted oral region (top). Scale bars: A–B, D = 100 µm; C, E = 50 µm.
Fig. 11 in New Cheilostomata (Bryozoa) from NE Atlantic seamounts, islands, and the continental slope: evidence for deep-sea endemism
Fig. 11. Bathycyclopora vibraculata (Calvet, 1931) gen. et comb. nov., Azores. A. Overview of lectotype (MOM INV-22480a). B. Periancestrular region (MOM INV-22480a). C. Zooids at the colony growth margin and interzooidal avicularia (paralectotype, MOM INV-22480b). D. An ovicellate zooid and an interzooidal avcularium (paralectotype, MOM INV-22480b). E. Lateral view of an ooecium showing the thin marginal band of ectooecium (MOM INV-22480a). F. Close-up of orifice (MOM INV-22480a). Scale bars: A = 1 mm; B = 300 µm; C = 500 µm; D = 200 µm; E = 100 µm; F = 50 µm.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.