Projects

CSEMP assessment of nickel in sediment at Billingham-Bamlett's Bight (Tees)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean168.4070.65-31.2062.40
linear266.5071.07-29.2558.503.899 10.0483
smooth (df = 2)368.5076.84-29.2558.500.000 10.9892
smooth (df = 3)470.3784.77-29.1958.370.131 10.7177

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920133.5264.5911.06470.48972.1740.0577
last 20 years199920133.5264.5911.06470.48972.1740.0577

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC98.6136.00-1.0076 0.2791-3.6100.9972

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Billingham-Bamlett


Raw data with assessment

Raw data with assessment of  nickel in sediment at Billingham-Bamlett


Assessment plot

Assessment plot for  nickel in sediment at Billingham-Bamlett


Metals data

Metals data for assessment of  nickel in sediment at Billingham-Bamlett


Metals assessment

Metals assessment of  nickel in sediment at Billingham-Bamlett


Related pages

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