Projects

CSEMP assessment of lead in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-12.86-9.269.43-18.86
linear2-10.90-2.909.45-18.900.045 10.8318
smooth (df = 2)3 -8.92 7.759.46-18.920.017 10.8966

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620132.98293.01330.030410.142270.2140.8378
last 20 years200620132.98293.01330.030410.142270.2140.8378

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC20.3538.000.62430.09216.7800.0003
ERL20.3547.000.83680.09219.089<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Fladen Ground


Raw data with assessment

Raw data with assessment of  lead in sediment at Fladen Ground


Assessment plot

Assessment plot for  lead in sediment at Fladen Ground


Metals data

Metals data for assessment of  lead in sediment at Fladen Ground


Metals assessment

Metals assessment of  lead in sediment at Fladen Ground


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in sediment
  • Accessment criteria for metals in sediment