Projects

CSEMP assessment of c3 naphthalenes in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean192.5893.97-43.2986.58
linear289.0791.73-40.5381.07 5.514 10.0189
smooth (df = 2)372.0576.60-31.0362.0519.017 1<0.0001
smooth (df = 3)473.7580.95-30.8861.75 0.298 10.5849
smooth (df = 4)575.5686.45-30.7861.56 0.195 10.6588

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.5574.836-0.7219 0.1736-4.1580.0011
last 20 years200020175.5574.836-0.7219 0.1736-4.1580.0011

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c3 naphthalenes in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  c3 naphthalenes in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  c3 naphthalenes in sediment at outer (Firth of Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c3 naphthalenes in sediment at outer (Firth of Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c3 naphthalenes in sediment at outer (Firth of Clyde)


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