Projects

CSEMP assessment of nickel in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-41.35-39.1023.67-47.35
linear2-39.51-34.9423.75-47.510.162 10.6873
smooth (df = 2)3-39.15-30.8124.57-49.151.637 10.2007
smooth (df = 3)4-38.61-24.2125.31-50.611.466 10.2260

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.7373.689-0.04738 0.11457-0.4140.6889
last 20 years200620173.7373.689-0.04738 0.11457-0.4140.6889

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC40.0236.00-0.10578 0.05659-1.8690.9528

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  nickel in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  nickel in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  nickel in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  nickel in sediment at middle (Firth of Clyde)


Related pages

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