Projects

CSEMP assessment of c1 phenanthrenes in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean196.8098.18-45.4090.80
linear294.8597.52-43.4286.85 3.948 10.0469
smooth (df = 2)380.5385.07-35.2670.5316.324 1<0.0001
smooth (df = 3)482.4989.69-35.2470.49 0.039 10.8440
smooth (df = 4)583.1294.01-34.5669.12 1.370 10.2418

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.6725.035-0.6375 0.2128-2.9950.0103
last 20 years200020175.6725.035-0.6375 0.2128-2.9950.0103

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c1 phenanthrenes in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  c1 phenanthrenes in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  c1 phenanthrenes in sediment at outer (Firth of Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c1 phenanthrenes in sediment at outer (Firth of Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c1 phenanthrenes in sediment at outer (Firth of Clyde)


Related pages