Projects

CSEMP assessment of CB28 in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean193.39 94.67-43.6987.39
linear293.51 95.97-42.7685.511.874 10.1711
smooth (df = 2)395.02 99.19-42.5185.020.493 10.4826
smooth (df = 3)496.05102.60-42.0384.050.967 10.3255
smooth (df = 4)597.60107.40-41.8083.600.453 10.5009

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002017 0.5771-0.0779-0.6549 0.4723-1.3870.1858
last 20 years20002017 0.5771-0.0779-0.6549 0.4723-1.3870.1858

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.92510.2200-1.4363 0.3058-4.6970.9999
EAC0.92511.7000 0.6085 0.3058 1.9900.0326

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB28 in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  CB28 in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  CB28 in sediment at Garroch Head (Clyde)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB28 in sediment at Garroch Head (Clyde)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in sediment at Garroch Head (Clyde)


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