Projects

CSEMP assessment of mercury in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean144.7448.34-19.3738.74
linear246.4354.43-19.2238.430.300 10.5838
smooth (df = 2)346.8963.56-18.4536.891.540 10.2146

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992013-1.9102-1.65400.25620.46210.5540.5993
last 20 years19992013-1.9102-1.65400.25620.46210.5540.5993

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.191290.07000-1.0053 0.2933-3.4270.9930
ERL0.191290.15000-0.2431 0.2933-0.8290.7806

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  mercury in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  mercury in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  mercury in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  mercury in sediment at Sunk Island (Humber)


Related pages

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