Lake Calado Sediment Nutrient and Accumulation Data 1982-1984

Field samples from 1982 to 1984 provide data on sediment texture, porosity, and carbon, nitrogen, and phosphorus content from eleven locations in Lake Calado, Brazil. The dataset includes eight files reporting surficial sediment composition and 210Pb-derived nutrient accumulation and burial rates. It was produced by NASA as part of the LBA-ECO project.

Use Cases

• Analyzing relationships between sediment texture, porosity, and nutrient (C, N, P) content in lake sediments.
• Calculating long-term nutrient burial rates using 210Pb-derived accumulation chronologies.
• Comparing spatial variation in sediment geochemistry across eleven sampling locations in a single lake.
• Modeling carbon sequestration potential in Amazonian lake sediments.

Strengths

• Spatial coverage includes eleven distinct sampling locations within Lake Calado.
• Temporal coverage spans a 2.5-year period from February 1982 to August 1984.
• Dataset provides multiple derived metrics, including accumulation and burial rates for C, N, and P.

Limitations

• Exact row counts and column names are not provided by any source, limiting precise assessment of data volume.
• Sources conflict on the last update date, with one platform listing 2026 (likely an error) and another listing 1984.
• Specific data collection and laboratory analysis methods are not detailed in the provided metadata.

Provenance

Source

National Aeronautics and Space Administration (NASA), LBA-ECO project.

Collection Method

Field sample collection and subsequent laboratory analysis of lake sediments.

Time Range

1982-02 to 1984-08

Freshness

1984-08-31 23:59:59.999000

Geography

Lake Calado, Amazonas, Brazil.