Projects

CSEMP assessment of c2 phenanthrenes in sediment at Holy Loch (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean152.5054.00-23.2546.50
linear248.9051.81-20.4540.905.602 10.0179
smooth (df = 2)349.9954.99-19.9939.990.908 10.3407
smooth (df = 3)451.8059.80-19.9039.800.188 10.6645
smooth (df = 4)550.3762.62-18.1836.373.434 10.0639

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020176.0435.186-0.8571 0.3318-2.5830.0227
last 20 years200020176.0435.186-0.8571 0.3318-2.5830.0227

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c2 phenanthrenes in sediment at Holy Loch (Clyde)


Raw data with assessment

Raw data with assessment of  c2 phenanthrenes in sediment at Holy Loch (Clyde)


Assessment plot

Assessment plot for  c2 phenanthrenes in sediment at Holy Loch (Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c2 phenanthrenes in sediment at Holy Loch (Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c2 phenanthrenes in sediment at Holy Loch (Clyde)


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