Projects

CSEMP assessment of nickel in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean146.5048.75-20.2540.50
linear247.0851.66-19.5439.081.412 10.2348
smooth (df = 2)348.7257.05-19.3638.720.369 10.5434
smooth (df = 3)450.1564.55-19.0838.150.561 10.4537

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620184.3684.027-0.3411 0.2777-1.2280.2504
last 20 years200620184.3684.027-0.3411 0.2777-1.2280.2504

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC56.1136.00-0.4437 0.1745-2.5430.9842

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Bann Estuary


Raw data with assessment

Raw data with assessment of  nickel in sediment at Bann Estuary


Assessment plot

Assessment plot for  nickel in sediment at Bann Estuary


Metals data

Metals data for assessment of  nickel in sediment at Bann Estuary


Metals assessment

Metals assessment of  nickel in sediment at Bann Estuary


Related pages

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