Projects

CSEMP assessment of naphthalene in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1140.55141.84-67.28134.55
linear2140.27142.73-66.13132.27 2.282 10.1309
smooth (df = 2)3130.64134.81-60.32120.6411.629 10.0006
smooth (df = 3)4132.63139.17-60.31120.63 0.015 10.9028
smooth (df = 4)5133.86143.66-59.93119.86 0.764 10.3822

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120184.8074.403-0.4034 0.2129-1.8950.0790
last 20 years200120184.8074.403-0.4034 0.2129-1.8950.0790

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 81.74 8.00-2.3240 0.1725-13.4741.0000
ERL 81.74160.00 0.6717 0.1725 3.8940.0008

 


Raw data with supporting information

Raw data with supporting information for assessment of  naphthalene in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  naphthalene in sediment at Solway Firth


Assessment plot

Assessment plot for  naphthalene in sediment at Solway Firth


PAH (parent) data

PAH (parent) data for assessment of  naphthalene in sediment at Solway Firth


PAH (parent) assessment

PAH (parent) assessment of  naphthalene in sediment at Solway Firth


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