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157 results for “ocean exploration”
Marine plastics alter the organic matter composition of the air-sea boundary layer, with influences on CO2 exchange: a large-scale analysis method to explore future ocean scenarios
<p>Microplastics are substrates for microbial activity and can influence biomass production. This has potentially important implications in the sea-surface microlayer, the marine boundary layer that controls gas exchange with the atmosphere and where biologically produced organic compounds can accumulate. In the present study, we used six large scale mesocosms to simulate future ocean scenarios of high plastic concentration. Each mesocosm was filled with 3 m3 of seawater from the oligotrophic Sea of Crete, in the Eastern Mediterranean Sea. A known amount of standard polystyrene microbeads of 30 μm diameter was added to three replicate mesocosms, while maintaining the remaining three as plastic-free controls. Over the course of a 12-day experiment, we explored microbial organic matter dynamics in the sea-surface microlayer in the presence and absence of microplastic contamination of the underlying water. Our study shows that microplastics increased both biomass production and enrichment of carbohydrate-like and proteinaceous marine gel compounds in the sea-surface microlayer. Importantly, this resulted in a 3 % reduction in the concentration of dissolved CO2 in the underlying water. This reduction was associated to both direct and indirect impacts of microplastic pollution on the uptake of CO2 within the marine carbon cycle, by modifying the biogenic composition of the sea's boundary layer with the atmosphere.</p>
Data to accompany "Exploring the Complexity of Ocean Acidification: An Ecosystem Comparison of Coastal pH Variability"
The goal of this project was to create a science lesson at the middle school level with data illustrating the variablilty of pH and temperature in nature. The lesson allows students to interpret pH data and gain knowledge of abiotic and biotic processes that contribute to pH differences between tropical, temperate and polar marine ecosystems. Students use what they have learned to interpret data from a 'mystery' site and develop a hypothesis as to which ecosystem the unknown data was collected from. The full cirriculum is described in Kapsenberg, L, AL Kelley, LA Francis, and SB Raskin (2015) Exploring the complexity of ocean acidification: an ecosystem comparison of coastal pH variability. Science Scope 39(3): 51-60. doi: 10.2505/4/ss15_039_03_51 This dataset contains an Excel workbook with five worksheets: A "Readme" tab with citations for additional reading and data attribution.Three time-series of pH and temperature from coastal locations: a temperate kelp forest in the Santa Barbara Channel (Spring season, 2 months, 20 min interval). a coral reef near the island of Moorea, Tahiti (Summer season, 3 weeks, 30 min interval), and the polar ocean of Cape Evans, McMurdo Bay, Antarctica (Spring/Summer, 6 months, bi-hourly interval). A fourth worksheet contains data for a "mystery site" for student examination. Data for the study were contributed by the Santa Barbara Coastal LTER, Moorea Coral Reef LTER and the G. Hofmann lab (University of California, Santa Barbara). Additional pH data are available from both LTER sites. Antarctic data in this dataset are also available from NSF's Biological and Chemical Oceanographic Data Management Office (see Cape Evans Mooring, 2012).
Exploring the Pocillopora cryptic diversity: a new genetic lineage in the western Indian Ocean or remnants from an ancient one?
<p>Cryptic species and lineages have been widely reported during the last decades, particularly in the marine realm. Misidentifications and ignoring species complexes imply many consequences, notably biasing biodiversity and connectivity assessments, which in turn mislead our understanding of ecosystems and impact the effective design and management of conservation plans. Focusing on the Indo-Pacific coral genus <em>Pocillopora</em>, playing key roles in reef ecosystems as one of the main bio-constructors, we report the first <em>Pocillopora</em> PSH16 (ORF53; <em>sensu</em> Gélin et al. 2017, Mol Phylogenet Evol 109:430–446) colonies (<em>N</em> = 19) in the western Indian Ocean (Nosy Tanikely, Madagascar), 6,000 km further from its current distribution. Colonies were identified according to their mitochondrial Open Reading Frame (ORF) haplotype and Bayesian assignment tests based on 13-microsatellite genotypes. Additionally, we performed genetic structure and diversity analyses with sympatric colonies from other <em>Pocillopora</em> species and <em>Pocillopora</em> PSH16 colonies from the tropical southwestern Pacific, revealing (1) a weak clonal richness, (2) a weak genetic diversity and (3) a relative isolation for the newly reported PSH16 colonies. These colonies thus represent either a new, distinct and uncommon, genetic lineage, or isolated remnants of a wider one. In any case, unless specific management measures are implemented, their long-term maintenance seems compromised due to restricted gene flow within a restricted pool of genes.</p> <p> </p> <p>This dataset contains the microsatellite genotypes analysed (98 <em>Pocillopora</em> colonies × 13 loci + ORF). Missing data are encoded as "?". The sampling marine province and the population are indicated for each individual.</p>
Exploring the Relationship Between Upper Ocean States and the Falling Ice Radiative Effects using ECCO Product and Global Climate Models
<p><strong><span>Sensitivity test using CESM1-CAM5 following CMIP5 protocool from 1980-2005</span></strong></p> <p><strong><span>NOS: no falling ice radiative effects (FIREs), four data sets</span></strong></p> <p><strong><span>SON: with FIREs, for data sets</span></strong></p> <p><strong><span> Xsize = 362 Ysize = 182 Zsize = 18</span></strong></p> <p><strong><span>Format: netcdf</span></strong></p> <p><strong><span>Upper 200 meter ocean variables</span></strong></p> <p><strong><span>Annual mean (ANN)</span></strong></p> <p><strong><span>CESM2-var-NOS (or SON)-ANN.nc, var = (UO, VO, WO, TO) = (zonal velocity, meridional velocity, ascending velocity, potential temperature) : (cm/s, cm/s, cm/s, K)</span></strong></p>
РИС. 1. Карта покаЗываюЩаЯ местоположение банки СаЯ де МальЯ на Маскаренском плато. На цветовой планке дана градациЯ Значений иЗобат (по Baseline Study. Indian Ocean Expedition. Monaco Explorations – www.monacoexplorations. org). in A new species of Chicomurex (Gastropoda, Muricidae) from the Saya de Malha Bank, Western Indian Ocean
РИС. 1. Карта покаЗываюЩаЯ местоположение банки СаЯ де МальЯ на Маскаренском плато. На цветовой планке дана градациЯ Значений иЗобат (по Baseline Study. Indian Ocean Expedition. Monaco Explorations – www.monacoexplorations. org).
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c1c0f96e-e26b-4146-a675-0837689a687c">https://bionomia.net/dataset/c1c0f96e-e26b-4146-a675-0837689a687c</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c1c0f96e-e26b-4146-a675-0837689a687c">https://gbif.org/dataset/c1c0f96e-e26b-4146-a675-0837689a687c</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/8f83518f-c8b1-431d-90b5-3655606eff36">https://bionomia.net/dataset/8f83518f-c8b1-431d-90b5-3655606eff36</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/8f83518f-c8b1-431d-90b5-3655606eff36">https://gbif.org/dataset/8f83518f-c8b1-431d-90b5-3655606eff36</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480">https://bionomia.net/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480">https://gbif.org/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Abyssal fauna of the UK-1 polymetallic nodule exploration area, Clarion-Clipperton Zone, central Pacific Ocean: Cnidaria.
Natural history specimen data linked to collectors and determiners held within, "Abyssal fauna of the UK-1 polymetallic nodule exploration area, Clarion-Clipperton Zone, central Pacific Ocean: Cnidaria". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db">https://bionomia.net/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db">https://gbif.org/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Abyssal fauna of the UK-1 polymetallic nodule exploration claim, Clarion-Clipperton Zone, central Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Abyssal fauna of the UK-1 polymetallic nodule exploration claim, Clarion-Clipperton Zone, central Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0751b002-8da2-436d-981f-a02ac44783bf">https://bionomia.net/dataset/0751b002-8da2-436d-981f-a02ac44783bf</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0751b002-8da2-436d-981f-a02ac44783bf">https://gbif.org/dataset/0751b002-8da2-436d-981f-a02ac44783bf</a>. Formatted as a Frictionless Data package.
Ocean basin mask for coordinated climate model experiments to explore tropical basin interaction
<p>This is a netcdf dataset containing a basin mask for distinguishing major ocean basins (Atlantic, Pacific, etc.). It has been simplified to for use with the TBI experiments coordinated by the CLIVAR Research Focus on Tropical Basin Interaction (https://www.clivar.org/research-foci/basin-interaction). The original data can be found at https://iridl.ldeo.columbia.edu/SOURCES/.NOAA/.NODC/.WOA09/.Masks/.basin/index.html?Set-Language=en</p>
Experimental Validation of Cryobot Thermal Models for the Exploration of Ocean Worlds
<p>The tables in this repository represent the data used in the figures and analyses of the paper "Experimental Validation of Cryobot Thermal Models for the Exploration of Ocean Worlds", published in the Planetary Science Journal. The provided data was collected between 2020 and 2022.</p> <ul> <li>AllResults.xlsx: compilation of tables 4, 5, 6, and 7 on the paper.</li> <li>WarmA1.xlsx: data presented in figures 9, 10, and 11, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Total Power [W], H6 Power [W], H5 Power [W], H4 Power [W], H3 Power [W], H2 Power [W], H1 Power [W]".</li> <li>WarmA2.xlsx: data presented in figures 9, 10, and 11, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Total Power [W], H6 Power [W], H5 Power [W], H4 Power [W], H3 Power [W], H2 Power [W], H1 Power [W]".</li> <li>CryoA1.xlsx: data presented in tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth Estimation [m], Power [W]".</li> <li>CryoB1.xlsx: data presented in figures 9 and 10, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Power [W]".</li> <li>CryoB2.xlsx: data presented in figures 9, 10, 11, and 12, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Power [W]".</li> <li>CryoB3.xlsx: data presented in figures 6, 9, 10, 11, and 12, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Power [W]".</li> <li>CryoC1.xlsx: data presented in figures 9, 10, and 11, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Power [W]".</li> <li>CryoC2.xlsx: data presented in figures 9, 10, 11, and 12, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Depth [m], Power [W]".</li> <li>CryoC3.xlsx: data presented in figures 9, 10, and 11, and tables 4, 5, 6, and 7 on the paper. The spreadsheet columns are "Time [hrs], Truncated Coarse Depth [m], Power [W]".</li> </ul> <p> </p>
Mind the Gap: Comparing Exploration Effort with Global Biodiversity Patterns and Climate Projections to Determine Ocean Areas with Greatest Exploration Needs- Dive metadata
<p>Meta data for deep submergence dive locations associated with "Mind the Gap: Comparing Exploration Effort with Global Biodiversity Patterns and Climate Projections to Determine Ocean Areas with Greatest Exploration Needs" published in Frontier of Marine Science 2023. </p>
FIGURE 49. Pierrella plicata n in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 49. Pierrella plicata n. sp. A, paratype, ZIRAS 2/50728; B–E, holotype, ZIRAS 1/50727; F, G, specimen YMG4–07, Stn 139. Specimens stained in Rose Bengal. A–E, zooids on arenaceous foraminiferan tubes, varying from linear and caudate to squat and more crowded; F, G, stained zooids seen in transmitted light. Abbreviations: at, alimentary tract; d, diaphragm; dmtd, dilator muscles and tendon of diaphragm; ofcp, orifice with folded cuticular pleats; pm, parietal muscles; r, rectum; rmtc, retractor muscles of tentacle crown; rt, retracted tentacles; sc, stomach caecum; t, tentacles; v, vestibule (filled with sediment). Scale bars: A–E, 500 µm; F, G, 50 µm.
FIGURE 50. Pierrella plicata n in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 50. Pierrella plicata n. sp. A, I, J, paratype, ZIRAS 2/50728; B–H, K, L, holotype, ZIRAS 1/50727. A, H, narrow, long-caudate zooids; C–E, G, squat zooids; B, F, zooids of intermediate shape; I–L, stiffly pleated orificial folds. Scale bars: A–D, 250 µm; E–H, 100 µm; I–L, 25 µm.
FIGURE 46 in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 46.?Anyutidae sp. incertae sedis. A–G, I–K, colony ZIRAS 1/50725; H, specimen GLD4–12, Stn 257. A, B, apical and oblique lateral views of capitulum (partly damaged); C, alveoli of capitulum surface; D, skeletal microstructure; E, crosssection through fascicle of autozooids and alveolar cavities; F, G, I, J, close-ups of fascicles of varied sizes and zooid dispositions; H, small fascicle in which one peristome has a calcified terminal diaphragm; K, interior wall of broken peristome showing crystallites. Scale bars: A, 500 µm; B, F, 250 µm; C, E, G, 200 µm; D, K, 50 µm; H–J, 100 µm.
FIGURE 43. Rallocytus ridiculus n. gen., n in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 43. Rallocytus ridiculus n. gen., n. sp. Paratype 1, ZIRAS 2/50724. A–D, apical and oblique views of fertile colony with two dimorphic zooids (arrowed), one with its aperture facing frontalwards, the other peristome turned slightly toward calyx center; E, F, peristomes, including a smaller frontally facing dimorphic one; G, two autozooidal peristomes with incurved dimorphic peristome between; H, base of column; I, skeletal microstructure; J, K, showing dimorphic and autozooidal apertures, respectively. Scale bars: A–C, 250 µm; D–H, 100 µm; J, K, 50 µm; I, 25 µm.
FIGURE 40. Anyuta anastema n. gen., n in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 40. Anyuta anastema n. gen., n. sp. Holotype, ZIRAS 1/50718. A, part of fascicle with autozooidal peristomes and two dimorphic peristomes with flanges; note large shallow alveoli on sides of peristomes; B, two peristomes, left one dimorphic; C, skeletal microstructure of part of peristome in L; D–G, subfascicles with both autozooidal and flanged dimorphic peristomes; H, close-up of squat flanged dimorphic peristome in E; note small alveoli on flanks of peristome; I, close-up of lower dimorphic peristome in F, showing it to be derived from an autozooidal peristome by its partial closure; J, base of column; K, L, close-ups of perforated flanges of dimorphic peristomes. Scale bars: A, B, D, F, 250 µm; G–J, 100 µm; K, L, 50 µm; C, 25 µm.
FIGURE 39. Anyuta anastema n. gen., n in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 39. Anyuta anastema n. gen., n. sp. A–D, holotype, ZIRAS 1/50718, in apical and lateral profiles; note the clusters of fascicles, at least three of which have dimorphic orifices with terminal flanges (dimorphic orifices arrowed). Scale bars: 500 µm.
FIGURE 37. Genus et species indet. A, D, F, G, colony 1, GLD4–11, Stn 211 in Bryozoa (Cyclostomata and Ctenostomata) from polymetallic nodules in the Russian exploration area, Clarion - Clipperton Fracture Zone, eastern Pacific Ocean-taxon novelty and implications of mining
FIGURE 37. Genus et species indet. A, D, F, G, colony 1, GLD4–11, Stn 211, respectively showing capitulum with gonozooid floor developing across alveoli, and autozooidal peristomes at periphery; B, C, E, H, I, colony 2, GLD4–12, Stn 255, similar views of a colony with two gonozooid floors developing. Scale bars: A, B, 250 µm; C–H, 100 µm; I, 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
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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.