Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  MorayF_OuterCromartyFirth_se04 (Cromarty Firth @ dispersed 3)
Location of station at Cromarty Firth @ dispersed 3 ©

CSEMP assessment of lead in sediment at Cromarty Firth @ dispersed 3

Statistical analysis

Details

Media : Sediment (<63 micron fraction)
Station : MorayF_OuterCromartyFirth_se04 (Cromarty Firth @ dispersed 3)
Determinand : Lead
Units : mg kg -1 dry weight normalised to 5% aluminium
Data extraction : 1 September 2014

Trend assessment

Analysis of variance

 DfSum SqMean SqF ValuePr(>F)
linear10.0017490.0017490.14150.7318
residual30.0370790.012360

Change in last fifteen years

 ConcLog ConcStd. Errort valuePr(>|t|)
200631.92 3.463160.07635
201233.71 3.517650.10014
Diff 5.60%0.054490.144870.37610.7318

Status assessment

 Fitted ConcRef ConcLog FitLog RefDiffStd. Errort valuePr(>t)
BAC33.71383.5183.6380.11990.10011.1980.15852
ERL33.71473.5183.8500.33250.10013.3200.02252

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Cromarty Firth @ dispersed 3


Raw data with assessment

Raw data with assessment of  lead in sediment at Cromarty Firth @ dispersed 3


Assessment plot

Assessment plot for  lead in sediment at Cromarty Firth @ dispersed 3


Metals data

Metals data for assessment of  lead in sediment at Cromarty Firth @ dispersed 3


Metals assessment

Metals assessment of  lead in sediment at Cromarty Firth @ dispersed 3


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