Projects

CSEMP assessment of naphthalene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean185.3886.67-39.6979.38
linear278.8181.27-35.4170.818.573 10.0034
smooth (df = 2)379.9884.15-34.9969.980.827 10.3632
smooth (df = 3)481.4888.03-34.7469.480.503 10.4783
smooth (df = 4)581.3791.17-33.6967.372.108 10.1465

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.4993.038-1.4614 0.4411-3.3130.0047
last 20 years200020174.4993.038-1.4614 0.4411-3.3130.0047

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 20.86 8.00-0.9586 0.2828-3.3900.9980
ERL 20.86160.00 2.0372 0.2828 7.203<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  naphthalene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  naphthalene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  naphthalene in sediment at Garroch Head (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  naphthalene in sediment at Garroch Head (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  naphthalene in sediment at Garroch Head (Clyde)


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