Projects

CSEMP assessment of nickel in sediment at Irish Sea Buoy

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean17.80 9.43-0.90 1.80
linear27.1210.32 0.44-0.882.680 10.1016
smooth (df = 2)38.0313.58 0.99-1.971.090 10.2964
smooth (df = 3)45.8014.80 3.10-6.204.225 10.0398

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920123.6013.145-0.4561 0.2689-1.6970.1155
last 20 years199920123.6013.145-0.4561 0.2689-1.6970.1155

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC23.2236.000.43840.15172.8900.0068

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Irish Sea Buoy


Raw data with assessment

Raw data with assessment of  nickel in sediment at Irish Sea Buoy


Assessment plot

Assessment plot for  nickel in sediment at Irish Sea Buoy


Metals data

Metals data for assessment of  nickel in sediment at Irish Sea Buoy


Metals assessment

Metals assessment of  nickel in sediment at Irish Sea Buoy


Related pages

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