Projects

CSEMP assessment of benzo[a]pyrene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean174.1975.48-34.1068.19
linear269.1171.57-30.5561.117.081 10.0078
smooth (df = 2)369.8974.05-29.9459.891.224 10.2686
smooth (df = 3)471.4878.03-29.7459.480.405 10.5245
smooth (df = 4)572.3782.17-29.1958.371.107 10.2928

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.9804.882-1.0982 0.3684-2.9810.0093
last 20 years200020175.9804.882-1.0982 0.3684-2.9810.0093

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC131.9 30.0-1.4805 0.2400-6.1691.0000
ERL131.9430.0 1.1821 0.2400 4.926<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Garroch Head (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Garroch Head (Clyde)


Related pages