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216 results for “water column”
Isotope constraints on nitrogen dynamics in the upper water column of the South China Sea
<p>ds01-All water sample data supporting this study are summed in ds01.</p> <p>ds02-All CTD data supporting this study are summed in ds02.</p>
Breakthrough curves of water isotopes and inert chemical tracers through porous media columns
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Supporting Information for: Re-evaluating Water Column Reoxygenation in the Aftermath of the End Permian Mass Extinction
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Data from: The Palaeozoic colonization of the water column and the rise of global nekton
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Data from: Experimental test of phytoplankton competition for nutrients and light in poorly mixed water columns
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SAFARI 2000 AOT and Column Water Vapor, Kalahari Transect, Wet Season 2000
The data presented here include the aerosol optical thickness (AOT) and column water vapor measurements taken at sites along the Kalahari Transect using a Microtops sunphotometer. Data were collected every 30 minutes at 4 sites that were visited during the SAFARI 2000 Kalahari Wet Season Campaign between March 3, 2000 and March 18, 2000. AOT values are provided at 340, 440, 675, 870, and 936 nm wavelengths. An estimate of the Angstrom Coefficient is also provided to allow the estimation of AOT at other wavelengths.The purpose of this data collection was primarily for documentation of the conditions at each site and to aid in the correction of remote sensing data, for validation of Earth Observation System (EOS) products such as MODIS and MISR aerosol products, and for modeling of canopy productivity.
COWVR STP-H8 Surface Wind Vector and Column-Integrated Atmospheric Water Measurements Version 10.0
This dataset includes satellite-based observations of geolocated surface wind vectors, precipitable water vapor, and integrated cloud liquid water, as well as the microwave brightness temperatures used to derive them. Theses measurements make up the environmental data record (EDR) from the COWVR (Compact Ocean Wind Vector Radiometer) sensor aboard the international space station (ISS), beginning in January 2022 with forward-streaming to PO.DAAC. Data over the satellite swath are available in HDF5 format with roughly one file per hour (the ISS orbit period is ~90 minutes), and coverage shown in the thumbnail is for a full day. Spatial resolution is roughly 35 km. The file metadata formats may be different than what an average user is familiar with – please see the User Guide to learn more. Version 10.0 is the first public release, and is named as such to be consistent with the internal version numbering of the project team prior to release.<br><br>The COWVR sensor is a fully polarimetric, conically imaging microwave radiometer for measuring ocean surface wind vectors. It operates nominally on-orbit aboard the ISS and data are non-sun-synchronous. It was deployed as part of the Space Test Program - Houston 8 (STP-H8) technology demonstration mission. A successful COWVR mission will demonstrate a lower-cost sensor architecture (e.g. in comparison to WindSat) for providing imaging passive microwave data, including ocean surface vector wind products for the Department of Defense (DoD). COWVR was provided by the Jet Propulsion Laboratory and flown by the United States Space Force, Space Systems Command, Development Corps for Innovation and Prototyping.
Vertical distribution and seasonal dynamics of planktonic cyanobacteria communities in a water column of deep mesotrophic Lake Geneva
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Particulate organic carbon and nitrogen measurements from water column sample bottles, collected aboard Palmer LTER annual cruises off the Western Antarctic Peninsula, 1991 - 2012. Cruise PD94-01 not included in time series for lack of samples
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CTD-LADCP data from the top 50 m of the water column during STOCA 42 cruise (202108)
<p>The present dataset includes CTD and Lowered ADCP observations across the top 50 m of the water column acquired during STOCA 42 cruise, distributed as SDN-ODV4 spreadsheet format. The cruise was conducted in the Gulf of Cádiz and the Strait of Gibraltar (SW Iberian Peninsula) between 18-22 August 2021. Further cruise details can be found in the SeaDataNet Cruise Summary Report inventory https://csr.seadatanet.org/report/21000421. The dataset forms part of the Spanish Institute of Oceanography (IEO) STOCA program (Series Temporales de Observaciones oceanográficas en el golfo de Cádiz; https://www.sciencedirect.com/science/article/abs/pii/S0278434320301461), which since 2009 has been funding repeated occupations across standard oceanographic sections in the Gulf of Cádiz. The program forms part of the Spanish Institute of Oceanography Observing System (IEOOS, https://os.copernicus.org/articles/12/345/2016/)</p> <p> </p>
Monterey Ocean Observing System (MOOS) Upper-water-column Science Experiment (MUSE)
Measurements made near Monterey Bay under the MOOS Upper-water-column Science Experiment (MUSE).
Community composition of bacteria involved in fixed nitrogen loss in the water column of two major oxygen minimum zones in the ocean
GEO Series GSE50787. marine metagenome; uncultured bacterium; synthetic construct. 25 samples. Type: Other.
Cladoceran water column and subfossil abundances from 85 lakes across Canada
<p>This data set contains cladoceran sub-fossil and water column abundances in 85 lakes across Canada sampled as part of the NSERC Canadian Lake Pulse Network project. Lakes were sampled once, over three summers (2017-2018-2019). </p><p>For sub-fossil cladocerans, cores were collected using a gravity corer in the deepest point of each lake and were sectioned on site with a vertical extruder. Each lake was sampled for a "top" sediment sample, represented by the first centimeter of the surface of the sediment core, and a "bottom" sediment sample, corresponding to the 1 cm of sediment located between 3 and 4 cm from the base of the core. Cladoceran extraction and preparation followed the protocol from Korhola and Rautio (2001). Cladocerans were identified using DM 2500 Leica compound inverted microscope under 200X-400X magnification with a minimal count size of 100 individuals. Identification at the species, genus, or species complex level followed Szeroczynska and Sarmaja-Korjonen (2007) and Korosi and Smol (2012a; b). </p><p>Files "relativeabundanceTOP_FWBpaper.csv" and "relativeabundanceBOTTOM_FWBpaper.csv" contain relative abundances in the top and in the bottom sediments respectively. The relative abundances from 85 lakes are a subset of the data from 101 lakes examined across Canada (Paquette et al., 2022).</p><p>Files "relativeabundanceTOP_pelagic_FWBpaper.csv" and "relativeabundanceBOTTOM_pelagic_FWBpaper.csv" contain relative abundances of pelagic taxa only in the top and bottom sediments respectively, in a subset of 46 lakes.</p><p>For water column cladocerans, samples were collected at the same location using a 100μm mesh Wisconsin net. Zooplankton were anesthetized with CO2 (Alka-Seltzer) and samples were preserved at room temperature in 70% ethanol. Samples were identified to the species level by BSA Environmental Services (Ohio, U.S.A.) using a dissecting microscope (100x to 400x magnification). </p><p>The file "abundanceWC<i>FWBpaper.csv" contains the abundances of 17 cladoceran zooplankton taxa from 85 lakes across Canada, while the file "</i>abundance<i>WC_pelagic</i>_FWBpaper.csv" contains abundances<i> of 10 pelagic cladoceran zooplankton taxa from a subset of 46 lakes. </i></p><p>References</p><p>Korhola, A., and M. Rautio. 2001. Cladocera and other branchiopod crustaceans, p. 225–234. <i>In</i> J.P. Smol, H.J.B. Birks, and W.M. Last [eds.], Tracking Environmental Change Using Lake Sediments. Springer.</p><p>Korosi, J. B., and J. P. Smol. 2012a. An illustrated guide to the identification of cladoceran subfossils from lake sediments in northeastern North America: Part 1-the Daphniidae, Leptodoridae, Bosminidae, Polyphemidae, Holopedidae, Sididae, and Macrothricidae. J. Paleolimnol. 48: 571–586. doi:10.1007/S10933-012-9632-3</p><p>Korosi, J. B., and J. P. Smol. 2012b. An illustrated guide to the identification of cladoceran subfossils from lake sediments in northeastern North America: Part 2-the Chydoridae. J. Paleolimnol. 48: 587–622.</p><p>Paquette, C., Griffiths, K., Gregory-Eaves, I., & Beisner, B. E. (2022). Sub-fossil crustacean zooplankton relative abundances from 101 lakes across Canada [Data set]. Zenodo. https://doi.org/10.5281/zenodo.6209390</p><p>Szeroczyfiska, K., and K. Sarmaja-Korjonen. 2007. Atlas of Subfossil Cladocera from Central and Northern Europe, Friends of the Lower Vistula Society, Warsaw, Pol.</p>
Hydrodynamic conditions shape ammonia-oxidizer communities in the central Baltic Sea water column
GEO Series GSE50164. aquatic metagenome; artificial sequences. 31 samples. Type: Other.
Inherent optical properties measured at selected water-column depths, collected aboard Palmer LTER Annual cruises off the coast of the Western Antarctic Penninsula, 2009.
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Inherent optical properties measured at selected water-column depths, collected at Palmer Station Antarctica, 2008/2009 field season.
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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.