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Table 7

Total organic carbon concentration in the uppermost 1 cm of sediment cores from the northern Gulf of Mexico. DOI: https://doi.org/10.1525/elementa.285.t7

Depth range (m)Total organic carbon (mg cm–3)aNumber of samplesb

MeanStd. deviation

 
0–500 no data no data no data 
500–1000 0.747 0.217 55 
1000–1250 0.857 0.249 211 
1250–1500 0.947 0.376 320 
1500–1750 0.792 0.308 215 
>1750 0.765 0.323 104 
Depth range (m)Total organic carbon (mg cm–3)aNumber of samplesb

MeanStd. deviation

 
0–500 no data no data no data 
500–1000 0.747 0.217 55 
1000–1250 0.857 0.249 211 
1250–1500 0.947 0.376 320 
1500–1750 0.792 0.308 215 
>1750 0.765 0.323 104 

a British Petroleum sediment data, downloaded March 2013 from Gulf Science data at http://gulfsciencedata.bp.com/, a repository for the National Resource Damage Assessment sediment data.

b Total of 905 individual samples, averaged into individual depth bins.

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