Element

Estimated Annual Deposition (mg/m²)

Chilton, Oxon.

Styrrup, Notts.

Wraymires, Cumbria

1994

1995

1996

1997

1998

1994

1995

1996

1997

1998

1994

1995

1996

1997

1998

3.68E+04

16077.9

<7.09E+03

3.68E+03

<5.07E+03

2.32E+04

2.68E+04

2.20E+04

2.02E+04

1.45E+04

2.22E+04

4.93E+04

<7.34E+04

1.42E+04

<1.02E+04

6.60E+02

2.64E+02

1.90E+02

7.01E+01

1.82E+02

2.03E+02

2.84E+02

3.69E+02

1.54E+02

3.63E+02

1.69E+02

2.26E+02

2.71E+02

1.01E+02

5.75E+02

3.51E+06

7.65E+05

9.61E+05

1.56E+06

1.60E+06

5.48E+05

6.07E+05

5.45E+05

5.03E+05

3.23E+05

8.85E+05

6.00E+05

3.42E+05

6.59E+05

5.66E+05

4.34E+02

1.13E+02

8.47E+01

4.12E+01

9.65E+01

8.56E+01

1.37E+02

2.89E+02

2.30E+02

1.34E+02

3.98E+02

<5.59E+01

3.87E+02

7.22E+01

5.14E+02

1.55E+02

5.14E+01

4.93E+01

2.04E+01

6.01E+01

7.09E+01

8.31E+01

9.48E+01

3.71E+01

1.17E+02

6.61E+01

8.56E+01

6.10E+01

3.32E+01

1.58E+02

1.61E+04

4.94E+03

5.06E+03

1.52E+03

4.78E+03

5.42E+03

3.53E+03

6.68E+03

1.47E+03

6.79E+03

1.38E+04

1.01E+04

1.73E+04

4.42E+03

2.84E+04

1.39E+04

6.05E+03

1.29E+03

<1.63E+03

2.05E+03

6.17E+03

7.41E+03

3.97E+03

4.87E+03

5.06E+03

1.83E+04

4.89E+03

4.55E+03

3.99E+03

1.56E+04

5.93E+05

1.79E+05

1.32E+05

1.48E+05

8.09E+04

8.78E+04

1.60E+05

1.19E+05

1.01E+05

8.15E+04

2.26E+05

3.23E+05

3.50E+05

2.02E+05

2.11E+05

7.68E+05

2.37E+05

2.00E+05

2.69E+05

1.45E+05

2.28E+05

2.49E+05

2.88E+05

2.05E+05

1.43E+05

6.79E+05

4.00E+05

5.80E+05

5.81E+05

9.63E+03

3.65E+03

2.83E+03

1.50E+03

2.84E+03

5.36E+03

6.87E+03

5.92E+03

2.34E+03

5.25E+03

3.12E+03

2.94E+03

1.98E+03

1.29E+03

4.05E+03

5.73E+06

1.80E+06

1.55E+06

2.06E+06

1.16E+06

1.18E+06

9.73E+05

1.31E+06

8.62E+05

7.65E+05

5.61E+06

5.44E+06

3.29E+06

2.93E+06

5.32E+06

2.46E+03

9.19E+02

<1.03E+03

1.98E+02

3.61E+02

7.89E+02

1.87E+03

<1.15E+03

2.97E+02

8.68E+02

1.17E+03

<1.89E+03

<7.16E+03

<1.22E+02

9.65E+02

4.68E+03

2.04E+03

4.97E+02

1.68E+02

1.92E+03

2.86E+03

2.33E+03

2.14E+03

1.03E+03

4.88E+03

5.57E+03

2.70E+03

3.69E+03

1.14E+03

5.76E+03

5.01E+03

2.07E+02

1.37E+02

6.45E+01

1.96E+02

1.39E+03

3.36E+03

1.32E+04

9.88E+03

7.86E+02

7.11E+03

5.48E+02

8.03E+02

9.20E+02

1.12E+03

2.56E+03

8.38E+02

1.03E+03

2.01E+02

4.57E+02

6.61E+02

7.31E+02

<1.05E+03

2.89E+02

6.67E+02

1.05E+03

<1.51E+03

<3.37E+03

4.12E+02

1.25E+03

5.57E+04

1.73E+04

2.18E+04

1.08E+04

5.10E+03

1.54E+04

3.86E+04

2.55E+04

2.31E+04

1.35E+04

1.81E+04

1.43E+04

2.82E+04

1.04E+04

2.09E+04

NO₃^-

9.47E+06

2.55E+06

2.76E+06

2.61E+06

2.36E+06

1.83E+06

2.00E+06

2.37E+06

1.61E+06

1.69E+06

4.08E+06

2.05E+06

3.45E+06

3.06E+06

3.90E+06

SO₄^2-

8.85E+06

2.54E+06

2.65E+06

2.50E+06

1.72E+06

2.51E+06

2.40E+06

2.79E+06

2.58E+06

2.19E+06

2.28E+06

2.51E+06

3.95E+06

3.97E+06

4.81E+06

Annual Rainfall
(mm)

716

805

468

645

783

582

492

474

705

635

2162

1750

1537

1731

2453

Notes

(i) Only the soluble fraction of the rainwater sample was analysed.

(ii) The estimated annual deposition of some elements is not derived where the majority of annual mean rainwater concentrations are below the analytical limits of detection.