Projects

CSEMP assessment of naphthalene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean186.8688.06-40.4380.86
linear280.3282.61-36.1672.328.541 10.0035
smooth (df = 2)380.9184.76-35.4670.911.406 10.2358
smooth (df = 3)482.4688.46-35.2370.460.456 10.4995
smooth (df = 4)583.0391.94-34.5169.031.431 10.2316

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020184.4583.054-1.4039 0.4274-3.2850.0047
last 20 years200020184.4583.054-1.4039 0.4274-3.2850.0047

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 21.21 8.00-0.9749 0.2753-3.5420.9986
ERL 21.21160.00 2.0208 0.2753 7.341<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  naphthalene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  naphthalene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  naphthalene in sediment at Garroch Head (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  naphthalene in sediment at Garroch Head (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  naphthalene in sediment at Garroch Head (Clyde)


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