Marine ecosystem (CHL, TSM, WT,CDOM)

Description

  • Maps of the bio-chemical parameters of water quality, measured from satellite data through fully automated processing
  • The parameters considered are:
    • Concentration of chlorophyll-a (CHL)
    • Surface concentration of suspended material (TSM)
    • Transparency of water (WT)
    • Absorption from dissolved colored organic substance (CDOM)

Operating scenarios

  • Ordinary monitoring
  • Extraordinary monitoring

Technical specification

RequirementDescription
Spatial resolution 300m – 1 km
Coverage areaMax AoI extension: 20000 km2
Geographic accuracy Circular Error 90%: <= 0.5 pixel (half of the spatial resolution)
Information Age 36 h
Measurement uncertaintyChlorophyll and CDOM: <=35%; TSM: <=30% ; Transparency of water <=20%
Measurement / projection unitChlorophyll : µg/l TSM: g/m3  Transparency of water (Disco Secchi): m Transparency of water (K490): m-1 CDOM: m-1 Projection: Geographical -WGS84
Input EO dataOptical superspectral mid-res data: MODIS, Sentinel-3
CMEMS data (CDOM): OCEANCOLOUR_MED_OPTICS_L3_NRT_OBSERVATIONS_009_038
Input data usedIn situ measurements of the parameters considered, if available.
Data used for validationIn situ measurements from sea campaign
FormatGeoTIFF
Refresh rate1 day

Example

This image has an empty alt attribute; its file name is image-24.png
Left: Map of Chlorophyll Concentration (CHL) on the Gargano coast, obtained using Sentinel-3 data
Right: Surface Concentration of Suspended Material (TSM) map on the Gulf of Taranto, obtained using Sentinel-3 data