Projects

CSEMP assessment of arsenic in sediment at Lyme Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean114.2015.70-4.108.20
linear214.8017.71-3.406.801.396 10.2374
smooth (df = 2)313.1918.19-1.603.193.609 10.0575
smooth (df = 3)413.7921.79-0.901.791.397 10.2371
smooth (df = 4)514.5926.84-0.290.591.205 10.2723

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920162.78693.07310.286120.235071.2170.2452
last 20 years199920162.78693.07310.286120.235071.2170.2452

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC21.60825.0000.145810.139171.0480.1569

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Lyme Bay


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Lyme Bay


Assessment plot

Assessment plot for  arsenic in sediment at Lyme Bay


Metals data

Metals data for assessment of  arsenic in sediment at Lyme Bay


Metals assessment

Metals assessment of  arsenic in sediment at Lyme Bay


Related pages

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