Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean185.2186.41-39.6179.21
linear281.2183.50-36.6173.215.997 10.0143
smooth (df = 2)381.7985.64-35.9071.791.419 10.2336
smooth (df = 3)483.6189.61-35.8071.610.185 10.6671
smooth (df = 4)583.4992.40-34.7569.492.118 10.1456

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020186.2585.229-1.0290 0.3873-2.6570.0172
last 20 years200020186.2585.229-1.0290 0.3873-2.6570.0172

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC186.7 24.0-2.0513 0.2560-8.0121.0000
ERL186.7665.0 1.2705 0.2560 4.962<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


PAH (parent) data

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


PAH (parent) assessment

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


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