Projects

CSEMP assessment of arsenic in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-96.13-94.6351.06-102.13
linear2-98.06-95.1553.03-106.063.936 10.0473
smooth (df = 2)3-96.08-91.0853.04-106.080.015 10.9034
smooth (df = 3)4-98.05-90.0555.03-110.053.978 10.0461
smooth (df = 4)5-96.14-83.8955.07-110.140.090 10.7641

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920142.62252.79160.169180.079382.1310.0527
last 20 years199920142.62252.79160.169180.079382.1310.0527

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC16.30825.0000.42720.04729.054<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  arsenic in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  arsenic in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  arsenic in sediment at Cosheston Point (Milford Haven)


Related pages

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