Projects

CSEMP assessment of mercury in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean177.7379.53-35.8671.73
linear277.7981.34-34.8969.791.941 10.1635
smooth (df = 2)375.0281.27-32.5165.024.765 10.0290
smooth (df = 3)477.0287.30-32.5165.020.006 10.9373

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20012016-2.1011-2.7361-0.6350 0.4355-1.4580.1727
last 20 years20012016-2.1011-2.7361-0.6350 0.4355-1.4580.1727

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.064820.070000.07680.22510.3410.3696
ERL0.064820.150000.83900.22513.7280.0017

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in sediment at Solway Firth


Assessment plot

Assessment plot for  mercury in sediment at Solway Firth


Metals data

Metals data for assessment of  mercury in sediment at Solway Firth


Metals assessment

Metals assessment of  mercury 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