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2017

257 record(s)
 
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  • In April 2017, two Ice Atmosphere Arctic Ocean Observing System platforms (IAOOS 23 and IAOOS 24) were deployed near the North Pole. Over the next 8 months, they meandered southwards with the ice in the Transpolar Drift, collecting measurements in the upper 250 m of Amundsen Basin, Nansen Basin and Fram Strait. The ocean profilers are PROVOR SPI (from French manufacturer NKE), which includes a Seabird SBE41 CTD (Conductivity, Temperature, Depth) and a dissolved oxygen (DO) Aandera 4330 optode. IAOOS 23 also featured a bio-optics sensor suite and a submersible ultraviolet nitrate analyzer (SUNA, Satlantic-Seabird Inc.). The bio-optics sensor suite (called Pack Rem A) combines a three-optical-sensor instrument (ECO Triplet, WET Labs Inc.) and a multispectral radiometer (OCR-504, Satlantic Inc.). The present dataset is composed of chlorophyll-a fluorescence, backscatter, irradiances (at 412, 490 and 555 nm), photosynthetically active radiation (PAR), nitrate and colored-dissolved organic matter data from the IAOOS 23 platform, as well as composites of absolute salinity, conservative temperature and apparent oxygen utilization data from both profilers. The profilers were set to perform two upward profiles a day from 250 m starting at approximately 6 am and 6 pm. In this dataset, chlorophyll-a, PAR and irradiances were corrected with a shift to set dark values to zero. Nitrate was interpolated vertically every 5 m, and all other parameters were interpolated vertically every 0.5 m. Important Note: This submission has been initially submitted to SEA scieNtific Open data Edition (SEANOE) publication service and received the recorded DOI. The metadata elements have been further processed (refined) in EMODnet Ingestion Service in order to conform with the Data Submission Service specifications.

  • The current dataset contains data on 63 Hz and 125 Hz 1/3 octaves of continuous underwater noise (Descriptor D11.2) recorded on four different locations in two periods (during off tourist season) of December-2018

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    What ecological effects does a foreshore suppletion, and a beach suppletion, have on the marine ecosystem in the intertidal and shallow surf zone (<6 m depth)? The foreshore suppletion (400.000m³) was by means of an experimental set-up in the shallow coastal zone (-1 to -2m TAW) of Mariakerke. Beside it, a beach nourishment was conducted at Mariakerke (681243m³) and Middelkerke (968754m³). For the Mariakerke area, we collect biological and sedimentological samples in the impact area and in a control area (Bredene), before as after the suppletion, whereas for Middelkerke only the data after suppletion was part of the study. We monitor the marine ecosystem with a focus on the fauna within the sediment (macrofauna) and on the sediment (hyperbenthos, epi- and demersal fish fauna) in the intertidal zone and subtidal zone. In both studies, the subtidal area is the zone between the low water line and the 6m depth line and the intertdial area is the zone between low and high tide water line.

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    Counts, density and biomass of copepod Harpacticoida found on <i>Cystoseira sp.</i> sampled at Calvi Bay (Corsica) between 02 and 10 September 1982. The data were digitized by VLIZ from the original report: Heip, C.H.R.; Willems, K.; Van hauwermeiren, G. (1983). Een systematisch-ecologische studie van Copepoda Harpacticoida levend op bruinwieren van het genus Cystoseira in de Baai van Calvi (Corsica), in: FKFO Project 2.9007.82. Systematiek en ecologie van mariene organismen: verslag over het tweede werkingsjaar 1983. pp. 43-58.

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    The dataset was obtained from the original registers of the fish markets of Venice and Chioggia that were available on paper documents from 1945 to 1996, and in electronic spreadsheets from 1997. The data originally included information on landings from aquaculture and sea- and lagoon-fishery merged together.

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    Historical landings from the Venice (Italy) fish market for the period 1905-1927 (with some temporal gaps) were retrieved and transformed into workable spreadsheets from statistical bulletins published by the Municipality of Venice, the "Società regionale veneta per la pesca e l'acquicultura" (Veneto regional society for fisheries and aquaculture) and by the historical scientific journal called "Neptunia".

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    Marine mammal sightings in a wide band of sea between Ginosa Marina and Taranto, between 2009 and 2011.

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    Original provider: Claudio Fossati, University of Pavia Dataset credits: Claudio Fossati and Giulia Romè, CIBRA Center for Bioacoustics, University of Pavia Abstract: CIBRA Center for Bioacoustics, Univ. of Pavia, organizes research cruises in the Med sea since 1994. Visual and acoustic contacts (1994 - 2001) are available on OBIS-SEAMAP, while acoustic recordings are stored in our Sound library and available upon request. Purpose: Data were collected during cetacean research campaigns, acoustic software and hardware development campaigns.

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    Original provider: Duke Marine Robotics and Remote Sensing Lab Dataset credits: Duke Marine Robotics and Remote Sensing Lab Abstract: These RGB mosaics and thermal indices of Atlantic grey seal colonies at Hay and Saddle Island, Nova Scotia, were collected by small unmanned aircraft systems (UAS). The mosaics and thermal indices were assessed by human analysts, who counted the seals in the mosaic and classified individuals as 'young of the year' or 'adult'.

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    Original provider: Claudio Fossati, University of Pavia Dataset credits: Claudio Fossati and Giulia Romè, CIBRA Center for Bioacoustics, University of Pavia Abstract: CIBRA Center for Bioacoustics, Univ. of Pavia, organizes research cruises in the Med sea since 1994. Visual and acoustic contacts (1994 - 2001) are available on OBIS-SEAMAP, while acoustic recordings are stored in our Sound library and available upon request. Purpose: Data were collected during cetacean research campaigns, acoustic software and hardware development campaigns.