Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean184.6186.24-39.3078.61
linear279.3782.57-35.6871.37 7.240 10.0071
smooth (df = 2)371.2176.77-30.6161.2110.154 10.0014
smooth (df = 3)473.2082.20-30.6061.20 0.015 10.9039

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.9394.108-0.8316 0.1972-4.2160.0014
last 20 years200020174.9394.108-0.8316 0.1972-4.2160.0014

Status assessment

No assessment criteria

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


PAH (alkylated) data

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


PAH (alkylated) assessment

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


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