MODIS-Aqua Monthly Particulate Organic Carbon - OC-SMART AC
type: Dataset
modified: 2026-05-22T00:00:00.000Z
keyword: DIF10
keyword: modis
keyword: aqua
keyword: level-3
keyword: particulate organic carbon
keyword: poc
keyword: ocean color
keyword: observation
keyword: monthly
keyword: surface
keyword: brazil
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description: The MODIS-Aqua monthly Particulate Organic Carbon concentration (POC, measured in mg·m-3) utilizes daily data from the MODIS sensor onboard NASA's Aqua satellite (MODIS-Aqua). This data has a nominal resolution of 1 km at nadir and is atmospherically corrected through the application of the Ocean Color - Simultaneous Marine and Aerosol Retrieval Tool (OC-SMART) (FAN et al., 2021). The POC estimates are obtained from the combination of algorithms (Loisel et al., 2002, 2018; Tran et al., 2016; Le et al., 2016). Subsequently, the POC products are aggregated into monthly averages by calculating the geometric mean of daily POC data over the respective month.
temporal: PeriodOfTime
  start date: 2002-07-01T12:00:00.000Z
  end date: 2022-12-31T12:00:00.999Z

MODIS
type: Entity
type: Concept
in scheme: https://earth.esa.int/concepts/concept_scheme/instruments

AQUA
type: Entity
type: Concept
in scheme: https://earth.esa.int/concepts/concept_scheme/platforms

CatalogRecord
modified: 2026-05-22T16:38:53.820956Z
source: https://fedeo.ceos.org/collections/MODISA-OCSMART-POC-MONTHLY-1
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https://fedeo.ceos.org/collections/MODISA-OCSMART-POC-MONTHLY-1
type: CatalogRecord
conforms to: ISO19139-2

EARTH SCIENCE>OCEANS>OCEAN OPTICS>OCEAN COLOR
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords

Aqua
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms

MODIS
type: Concept
in scheme: https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments