Projects

CSEMP assessment of CB28 in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1109.95111.75-51.97103.95
linear2107.92111.47-49.96 99.92 4.031 10.0447
smooth (df = 2)3 91.25 97.50-40.63 81.2518.665 1<0.0001
smooth (df = 3)4 90.72101.01-39.36 78.72 2.528 10.1118

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002018-1.9578-0.80171.15600.24834.6570.0009
last 20 years20002018-1.9578-0.80171.15600.24834.6570.0009

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.44850.2200-0.7124 0.1528-4.6630.9996
EAC0.44851.7000 1.3324 0.1528 8.722<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB28 in sediment at Forth Estuary


Raw data with assessment

Raw data with assessment of  CB28 in sediment at Forth Estuary


Assessment plot

Assessment plot for  CB28 in sediment at Forth Estuary


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB28 in sediment at Forth Estuary


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at Forth Estuary


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