Projects

CSEMP assessment of arsenic in sediment at Whiteness Head (Moray Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.2527.64-10.1320.25
linear225.7828.45 -8.8917.78 2.471 10.1160
smooth (df = 2)313.3617.90 -1.68 3.3614.424 10.0001
smooth (df = 3)414.2421.44 -1.12 2.24 1.115 10.2910
smooth (df = 4)515.0425.93 -0.52 1.04 1.202 10.2729

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920162.71442.4454-0.26899 0.14329-1.8770.0831
last 20 years199920162.71442.4454-0.26899 0.14329-1.8770.0831

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC11.53525.0000.77350.12096.399<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Whiteness Head (Moray Firth)


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Whiteness Head (Moray Firth)


Assessment plot

Assessment plot for  arsenic in sediment at Whiteness Head (Moray Firth)


Metals data

Metals data for assessment of  arsenic in sediment at Whiteness Head (Moray Firth)


Metals assessment

Metals assessment of  arsenic in sediment at Whiteness Head (Moray Firth)


Related pages

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