Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean169.2171.78-31.6063.21
linear270.0775.41-31.0462.071.133 10.2872
smooth (df = 2)371.6981.69-30.8461.690.384 10.5354
smooth (df = 3)472.9890.98-30.4960.980.709 10.3999

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920133.9784.2800.301220.272331.1060.3008
last 20 years199920133.9784.2800.301220.272331.1060.3008

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC72.2136.00-0.696 0.167-4.1670.9984

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  nickel 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