Projects

CSEMP assessment of nickel in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean14.75 6.750.62 -1.25
linear20.77 4.773.61 -7.235.980 10.0145
smooth (df = 2)32.70 9.843.65 -7.300.076 10.7834
smooth (df = 3)40.9912.995.51-11.013.712 10.0540

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220143.4184.0890.67030.24132.7780.0195
last 20 years200220143.4184.0890.67030.24132.7780.0195

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC59.6736.00-0.5053 0.1463-3.4530.9969

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  nickel in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  nickel in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  nickel in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  nickel in sediment at Cosheston Point (Milford Haven)


Related pages

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