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Maratlas/sst_trend (MapServer)

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Service Description: Sea level is rising as a result of ocean heating and land ice -mass loss. Water expands when heated and about 30% of contemporary global mean sea level rise can be attributed to this thermal expansion alone. Sea level rise can seriously affect human populations in coastal and island regions as well as natural environments such as marine ecosystems. The time series shows that the average global sea level has risen by more than 8 cm since the early 1990’s and it continues to rise at a rate of 3.3 mm each year. New calculations reveal that global mean sea level rise is accelerating, with this rate increasing by 0.12 ± 0.073 mm each year. Sea levels do not rise homogeneously and thus some regions are more threatened than others. The map shows the spatial distribution of sea level trends since 1993. It reveals that sea level is rising for the vast majority of the global ocean but there is large-scale variation with regions like the western tropical Pacific Ocean reaching amplitudes of up to +8 mm/year. In this area, the regional trends are mainly due to thermal expansion. The regional sea level trend uncertainty is on the order of 2-3 mm/year with values as low as 0.5 mm/year or as high as 5.0 mm/year depending on the region. This sea level ocean monitoring indicator is derived from the DUACS delayed-time (DT-2018 version). These products are distributed by the Copernicus Climate Change Service and also available in the Copernicus Marine Service catalogue.

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Layers: Description: Sea surface temperature is one of the Essential Climate Variables, defined by the Global Climate Observing System, required for monitoring and characterizing the state of the global climate. The time series shows that the average global sea surface temperature has risen by more than 0.3 °C since the early 1990s and continues to rise at an unprecedented rate of 0.014 ± 0.001 °C per year. The past four years we observed the warmest ocean surface temperatures since records began. Sea Surface Temperature does not rise homogeneously and thus some regions are more threatened than others. The map shows the spatial distribution of the mean sea surface temperature trends over the Global Ocean since 1993. It reveals that warming is occurring for the vast majority of the globe between 1993 and 2018. One of the exceptions to this trend is the North Atlantic, particularly the region south of Greenland where a cooling trend is observed. This sea surface temperature ocean monitoring indicator is based on daily, global climate sea surface temperature (SST) analyses generated by the European Space Agency (ESA), SST Climate Change Initiative (CCI) and the Copernicus Climate Change Service (C3S) and is available from the Copernicus Marine Service catalogue.

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Spatial Reference: 4326  (4326)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriDecimalDegrees

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   QueryLegends   QueryDomains   Find   Return Updates