Projects

CSEMP assessment of arsenic in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean150.0651.56-22.0344.06
linear246.6449.55-19.3238.645.418 10.0199
smooth (df = 2)341.9246.92-15.9631.926.725 10.0095
smooth (df = 3)443.9151.91-15.9631.910.006 10.9395
smooth (df = 4)545.3957.64-15.7031.390.521 10.4704

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120162.27992.73090.4510.1473.0690.0097
last 20 years200120162.27992.73090.4510.1473.0690.0097

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC15.34725.0000.48790.11224.3480.0005

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Solway Firth


Assessment plot

Assessment plot for  arsenic in sediment at Solway Firth


Metals data

Metals data for assessment of  arsenic in sediment at Solway Firth


Metals assessment

Metals assessment of  arsenic in sediment at Solway Firth


Related pages

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