Projects

CSEMP assessment of chrysene in sediment at Off Humber / Wash

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean123.0026.60-8.5017.00
linear216.6724.67-4.34 8.678.324 10.0039
smooth (df = 2)317.6434.31-3.82 7.641.031 10.3099

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520174.5903.442-1.1478 0.2937-3.9080.0079
last 20 years200520174.5903.442-1.1478 0.2937-3.9080.0079

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 31.2 20.0-0.4463 0.2033-2.1950.9647
ERL 31.2384.0 2.5086 0.203312.339<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at Off Humber / Wash


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Off Humber / Wash


Assessment plot

Assessment plot for  chrysene in sediment at Off Humber / Wash


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at Off Humber / Wash


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Off Humber / Wash


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