Southern Ocean Chlorophyll and Aerosol Time Series with Correlation Analysis

1997-2004 satellite-derived time series data from the Antarctic Southern Ocean, analyzing the relationship between surface chlorophyll concentration and aerosol optical depth. The dataset includes daily and 5-day averaged measurements, correlation statistics, and global image-level summaries. It was produced by the Australian Antarctic Data Centre (AU_AADC) for a project investigating dimethylsulphide production feedbacks.

Use Cases

• Analyze cross-correlation between 'Mean Chlorophyll' and 'Mean Aerosol Optical Depth' time series to investigate DMS-driven aerosol precursors.
• Model phytoplankton bloom dynamics using '5 Day mean chlorophyll averages' and associated 'Chlorophyll Standard Deviation'.
• Assess spatial variability in the Southern Ocean using the 'Global Worksheet' with data aggregated in 5-degree latitude bands between 50-70 degrees south.
• Validate satellite-derived products by examining 'Chlorophyll Count' and pixel-level statistics for SeaWiFS imagery.
• Study seasonal and interannual variability in 'Mean Aerosol Optical Depth' within specific sectors like the Ross and Weddell Seas.

Strengths

• 8-year temporal coverage from 1997 to 2004 for longitudinal analysis.
• Data includes derived statistical metrics like correlation coefficients, standard deviation, and standard error for quality assessment.
• Spatial coverage spans the Antarctic Southern Ocean with analysis in 5-degree latitude bands and specific sea sectors.

Limitations

• Sample size and total row count are unknown, limiting assessment of statistical power.
• Data is temporally stale, with the last update recorded in February 2004.
• Specific file formats, data volume, and completeness of all worksheet columns are unspecified.

Provenance

Source

Australian Antarctic Data Centre (AU_AADC), likely utilizing NASA SeaWiFS satellite data.

Collection Method

Analysis of satellite-derived zonal mean data for surface chlorophyll and aerosol optical depth.

Time Range

1997 to 2004

Freshness

Data collection ended in 2004; no update frequency is provided.

Geography

Southern Ocean, specifically 50-70 degrees south latitude, including sectors of the Eastern Antarctic, Ross, and Weddell Seas.