Mediterranean Ocean Salt Content (0-300m)
type: Dataset
keyword: water_mass_formation_rate
keyword: integral_wrt_depth_of_sea_water_salinity_expressed_as_salt_content
keyword: EARTH SCIENCE>OCEANS>SEA SURFACE TOPOGRAPHY>SEA SURFACE HEIGHT
keyword: Oceanographic geographical features
keyword: numerical-model
keyword: multi-year
keyword: marine-resources
keyword: weather-climate-and-seasonal-forecasting
keyword: coastal-marine-environment
keyword: marine-safety
keyword: mediterranean-sea
keyword: N/A
keyword: In-Situ TS Profiles
keyword: Sea Level
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description: '''DEFINITION'''Ocean salt content (OSC) is defined and represented here as the volume average of the integral of salinity in the Mediterranean Sea from z1 = 0 m to z2 = 300 m depth:¯S=1/V ∫V S dVTime series of annual mean values area averaged ocean salt content are provided for the Mediterranean Sea (30°N, 46°N; 6°W, 36°E) and are evaluated in the upper 300m excluding the shelf areas close to the coast with a depth less than 300 m. The total estimated volume is approximately 5.7e+5 km3.'''CONTEXT'''The freshwater input from the land (river runoff) and atmosphere (precipitation) and inflow from the Black Sea and the Atlantic Ocean are balanced by the evaporation in the Mediterranean Sea. Evolution of the salt content may have an impact in the ocean circulation and dynamics which possibly will have implication on the entire Earth climate system. Thus monitoring changes in the salinity content is essential considering its link to changes in: the hydrological cycle, the water masses formation, the regional halosteric sea level and salt/freshwater transport, as well as for their impact on marine biodiversity.The OMI_CLIMATE_OSC_MEDSEA_volume_mean is based on the “multi-product” approach introduced in the seventh issue of the Ocean State Report (contribution by Aydogdu et al., 2023). Note that the estimates in Aydogdu et al. (2023) are provided monthly while here we evaluate the results per year.Six global products and a regional (Mediterranean Sea) product have been used to build an ensemble mean, and its associated ensemble spread. The reference products are: The Mediterranean Sea Reanalysis at 1/24°horizontal resolution (MEDSEA_MULTIYEAR_PHY_006_004, DOI: https://doi.org/10.25423/CMCC/MEDSEA_MULTIYEAR_PHY_006_004_E3R1, Escudier et al., 2020) Four global reanalyses at 1/4°horizontal resolution (GLOBAL_REANALYSIS_PHY_001_031, GLORYS, C-GLORS, ORAS5, FOAM, DOI: https://doi.org/10.48670/moi-00024, Desportes et al., 2022) Two observation-based products: CORA (INSITU_GLO_TS…
qualified attribution: Attribution
  agent: Organization
    has name: CMEMS
    has URL: http://marine.copernicus.eu/
temporal: PeriodOfTime
  start date: 1993-01-01T00:00:00.000Z
  end date: 2019-12-31T23:59:59.999Z
license: other