Projects

CSEMP assessment of c2 naphthalenes in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean186.4487.94-40.2280.44
linear283.4586.36-37.7275.45 4.992 10.0255
smooth (df = 2)372.8177.81-31.4162.8112.638 10.0004
smooth (df = 3)474.5382.53-31.2662.53 0.283 10.5946
smooth (df = 4)576.2888.53-31.1462.28 0.253 10.6152

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.7314.952-0.7789 0.2302-3.3840.0054
last 20 years200020175.7314.952-0.7789 0.2302-3.3840.0054

Status assessment

No assessment criteria

 


Raw data with supporting information

Raw data with supporting information for assessment of  c2 naphthalenes in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  c2 naphthalenes in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  c2 naphthalenes in sediment at outer (Firth of Clyde)


PAH (alkylated) data

PAH (alkylated) data for assessment of  c2 naphthalenes in sediment at outer (Firth of Clyde)


PAH (alkylated) assessment

PAH (alkylated) assessment of  c2 naphthalenes in sediment at outer (Firth of Clyde)


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