New Updated World Maps of Sea-Surface Salinity


Sea surface salinity presents one of the most important chemical elements in the water. Climatic variables, included in new view of salinity distribution at a global scale, were used in this research. For the purpose of this research newly updated climate parameters for the period until 2100 were used along with (CMIP5) climatological model. The new distribution of surface salinity may show water desalination and energy potential. This map can be useful in the determination of new littoral areas or for fishermen’s routes. These data are presented in geo-tiff raster extension with the resolution of 0.1. This map could be updated with climatological parameters with obtained medium climate change effects. Some places in the world sea have low, some have high salinity. Salinity increases in accordance with the increase of precipitation and decreases with the decrease of it. The paper presents following maps; salinity world map when there is no climate change; the moderate one, if the temperature increases for 2.0 °C until 2100, and high if the increase of temperature was between 2.0 °C and 5.0 °C. The three scenarios were taken to show updated maps of world salinity in comparison with climate change effects.

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Coupled Model Intercomparison Project Phase 5


National Aeronautics and Space Administration

Oryza sativa L:

Asian rice


Relative sea level


Geostationary Earth Orbit Tagged Image File Format


Representative Concentration Pathway


Specific climatological model


Geographical Information Systems


Quantum Geographic Information System


System for Automated Geoscientific Analyses


Data-Interpolating Variational Analysis


World Meteorological Organization

Aster DEM:

Aster Digital Elevation Model

Landsat 7:

The seventh satellite of the Landsat program

Sentinel ESA:

United Space in Europe


The Tropical Rainfall Measuring Mission


Multi-satellite Precipitation Analysis


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The present work was supported by The Ministry of Education, Science and Technological Development of the Republic of Serbia, under the Project 174024.

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Correspondence to Aleksandar Valjarević.

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Valjarević, A., Filipović, D., Milanović, M. et al. New Updated World Maps of Sea-Surface Salinity. Pure Appl. Geophys. 177, 2977–2992 (2020).

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  • GIS
  • salinity
  • updated maps
  • climate change
  • world sea