Projects

CSEMP assessment of mercury in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1123.65124.85-58.83117.65
linear2121.67123.96-56.84113.673.981 10.0460
smooth (df = 2)3123.64127.49-56.82113.640.031 10.8603
smooth (df = 3)4124.90130.90-56.45112.900.738 10.3904
smooth (df = 4)5123.72132.63-54.86109.723.184 10.0743

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992016-0.9886-1.4468-0.4582 0.2160-2.1210.0499
last 20 years19992016-0.9886-1.4468-0.4582 0.2160-2.1210.0499

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.235320.07000-1.2125 0.1249-9.7051.0000
ERL0.235320.15000-0.4503 0.1249-3.6040.9988

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  mercury in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  mercury in sediment at inner (Firth of Forth)


Metals data

Metals data for assessment of  mercury in sediment at inner (Firth of Forth)


Metals assessment

Metals assessment of  mercury in sediment at inner (Firth of Forth)


Related pages

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