Projects

CSEMP assessment of lead in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 -3.73-2.35 4.86 -9.73
linear2 -1.93 0.74 4.96 -9.93 0.197 10.6570
smooth (df = 2)3-11.99-7.4410.99-21.9912.061 10.0005
smooth (df = 3)4-10.08-2.8811.04-22.08 0.091 10.7624
smooth (df = 4)5-11.32-0.4312.66-25.32 3.236 10.0720

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.1064.006-0.10020 0.19213-0.5220.6108
last 20 years200120174.1064.006-0.10020 0.19213-0.5220.6108

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC54.9338.00-0.3685 0.1555-2.3700.9830
ERL54.9347.00-0.1560 0.1555-1.0030.8329

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Solway Firth


Assessment plot

Assessment plot for  lead in sediment at Solway Firth


Metals data

Metals data for assessment of  lead in sediment at Solway Firth


Metals assessment

Metals assessment of  lead 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