11.7.2. Réseau pluies acides
L’acidification de l’environnement par les retombées
humides est un problème environnemental à l’échelle
continentale. En effet, la charge contenue dans les pluies dépend, à la
fois, de l’air dans lequel les gouttelettes ont transité et
de l’air dans lequel le nuage s’est formé. Les stations
du réseau sont donc réparties de manière à quadriller
au maximum la Région wallonne. A l’exception de la station
de Liège, les stations sont éloignées autant que
possible des zones urbaines ou industrielles. Les Tableaux 250 à 267
reprennent la composition de l’eau moyenne, ainsi que le bilan
ionique pour chaque station.
PANT01 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
1149.29 |
661.10 |
675.74 |
1533.30 |
Conductivité
(µS/cm) |
29.94 |
48.04 |
37.04 |
38.21 |
pH |
6.06 |
6.64 |
6.84 |
6.39 |
Na+ (mg/l) |
2.81 |
4.81 |
3.20 |
3.44 |
K+ (mg/l) |
0.30 |
0.28 |
0.27 |
0.29 |
Ca++ (mg/l) |
1.67 |
2.03 |
1.45 |
1.40 |
Mg++ (mg/l) |
0.24 |
0.37 |
0.17 |
0.24 |
NH4+ (mg[N]/l) |
0.58 |
0.92 |
0.97 |
0.83 |
Cl- (mg/l) |
2.35 |
3.83 |
1.61 |
2.47 |
F- (mg/l) |
0.02 |
0.04 |
0.04 |
0.04 |
NO3- (mg[N])/l) |
0.46 |
0.61 |
0.70 |
0.59 |
SO4= (mg[S]/l) |
0.98 |
1.57 |
1.24 |
1.29 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
0.01 |
0.01 |
Tableau 250 : Réseau pluies acides - Eau moyenne
- Péruwelz, rue des Sapins
PANT01 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
0.86 |
0.23 |
0.15 |
0.41 |
Na+ (µeq/l) |
122.08 |
209.41 |
139.08 |
149.68 |
K+ (µeq/l) |
7.59 |
7.24 |
6.95 |
7.50 |
Ca++ (µeq/l) |
83.42 |
101.08 |
72.42 |
69.75 |
Mg++ (µeq/l) |
19.42 |
30.15 |
13.71 |
20.14 |
NH4+ (µeq/l) |
47.47 |
65.44 |
69.23 |
59.47 |
Cl- (µeq/l) |
66.22 |
108.07 |
45.47 |
69.79 |
F- (µeq/l) |
1.10 |
2.18 |
1.98 |
2.10 |
NO3- (µeq/l) |
33.08 |
43.40 |
50.20 |
42.20 |
SO4= (µeq/l) |
61.27 |
97.73 |
77.50 |
80.26 |
PO43- (µeq/l) |
1.38 |
0.57 |
0.92 |
0.64 |
Somme des cations |
280.84 |
413.55 |
301.53 |
306.95 |
Somme des anions |
163.05 |
251.95 |
176.07 |
194.99 |
Tableau 251 : Réseau pluies acides - Composition
ionique - Péruwelz, rue des Sapins
PANT02 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
641.20 |
219.09 |
395.56 |
617.52 |
Conductivité
(µS/cm) |
24.84 |
31.61 |
15.04 |
19.00 |
pH |
6.78 |
6.31 |
5.68 |
5.66 |
Na+ (mg/l) |
1.17 |
1.62 |
0.55 |
0.88 |
K+ (mg/l) |
0.95 |
1.65 |
0.37 |
0.43 |
Ca++ (mg/l) |
1.32 |
2.06 |
0.64 |
0.82 |
Mg++ (mg/l) |
0.16 |
0.28 |
0.08 |
0.12 |
NH4+ (mg[N]/l) |
1.09 |
0.69 |
0.66 |
0.68 |
Cl- (mg/l) |
1.10 |
1.96 |
0.56 |
1.00 |
F- (mg/l) |
0.00 |
0.01 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.40 |
0.65 |
0.43 |
0.47 |
SO4= (mg[S]/l) |
0.51 |
0.59 |
0.43 |
0.48 |
PO43- (mg[P]/l) |
0.07 |
0.06 |
0.03 |
0.03 |
Tableau 252 : Réseau pluies acides - Eau moyenne
- Virelles, Etang de Virelles
PANT02 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
0.17 |
0.49 |
2.10 |
2.19 |
Na+ (µeq/l) |
50.85 |
70.60 |
23.93 |
38.30 |
K+ (µeq/l) |
24.30 |
42.18 |
9.56 |
11.07 |
Ca++ (µeq/l) |
66.05 |
102.76 |
31.88 |
41.04 |
Mg++ (µeq/l) |
13.52 |
22.99 |
6.35 |
10.26 |
NH4+ (µeq/l) |
89.88 |
49.39 |
47.47 |
48.88 |
Cl- (µeq/l) |
30.97 |
55.35 |
15.74 |
28.34 |
F- (µeq/l) |
0.18 |
0.28 |
0.31 |
0.31 |
NO3- (µeq/l) |
28.48 |
46.60 |
30.95 |
33.35 |
SO4= (µeq/l) |
32.05 |
37.11 |
26.75 |
29.66 |
PO43- (µeq/l) |
6.41 |
5.58 |
2.78 |
2.53 |
Somme des cations |
244.76 |
288.40 |
121.30 |
151.74 |
Somme des anions |
98.09 |
144.91 |
76.54 |
94.19 |
Tableau 253 : Réseau pluies acides - Composition
ionique - Virelles, Etang de Virelles
PANT03 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
661.51 |
252.96 |
289.69 |
535.14 |
Conductivité
(µS/cm) |
21.89 |
25.50 |
19.44 |
22.30 |
pH |
5.03 |
4.69 |
5.63 |
5.06 |
Na+ (mg/l) |
1.27 |
1.66 |
1.22 |
1.39 |
K+ (mg/l) |
0.11 |
0.05 |
0.09 |
0.08 |
Ca++ (mg/l) |
0.50 |
0.42 |
0.73 |
0.59 |
Mg++ (mg/l) |
0.12 |
0.16 |
0.12 |
0.13 |
NH4+ (mg[N]/l) |
0.60 |
0.28 |
0.67 |
0.52 |
Cl- (mg/l) |
1.22 |
1.89 |
0.93 |
1.32 |
F- (mg/l) |
0.01 |
0.00 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.34 |
0.27 |
0.43 |
0.36 |
SO4= (mg[S]/l) |
0.73 |
0.85 |
0.73 |
0.77 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
0.05 |
0.03 |
Tableau 254 : Réseau pluies acides - Eau moyenne
- Gembloux, Faculté des Sciences Agronomiques
PANT03 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
9.41 |
20.40 |
2.33 |
8.69 |
Na+ (µeq/l) |
55.11 |
72.08 |
52.96 |
60.53 |
K+ (µeq/l) |
2.77 |
1.35 |
2.40 |
2.05 |
Ca++ (µeq/l) |
25.11 |
20.88 |
36.68 |
29.35 |
Mg++ (µeq/l) |
10.11 |
12.95 |
10.09 |
10.97 |
NH4+ (µeq/l) |
49.24 |
19.74 |
47.98 |
36.79 |
Cl- (µeq/l) |
34.34 |
53.38 |
26.29 |
37.10 |
F- (µeq/l) |
0.28 |
0.25 |
0.71 |
0.55 |
NO3- (µeq/l) |
24.41 |
19.08 |
30.67 |
25.58 |
SO4= (µeq/l) |
45.23 |
52.83 |
45.36 |
47.76 |
PO43- (µeq/l) |
0.54 |
0.94 |
5.25 |
3.19 |
Somme des cations |
151.74 |
147.41 |
152.43 |
148.37 |
Somme des anions |
104.80 |
126.47 |
108.29 |
114.19 |
Tableau 255 : Réseau pluies acides - Composition
ionique - Gembloux, Faculté des Sciences Agronomiques
PANT04 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
1491.35 |
667.72 |
609.02 |
1051.76 |
Conductivité
(µS/cm) |
26.24 |
25.36 |
17.99 |
21.90 |
pH |
6.61 |
6.48 |
6.45 |
6.44 |
Na+ (mg/l) |
1.71 |
1.46 |
0.90 |
1.24 |
K+ (mg/l) |
0.12 |
0.05 |
0.09 |
0.08 |
Ca++ (mg/l) |
1.39 |
1.34 |
1.14 |
1.13 |
Mg++ (mg/l) |
0.15 |
0.17 |
0.09 |
0.12 |
NH4+ (mg[N]/l) |
1.10 |
1.22 |
0.77 |
1.01 |
Cl- (mg/l) |
1.49 |
1.74 |
0.75 |
1.28 |
F- (mg/l) |
0.01 |
0.00 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.42 |
0.46 |
0.41 |
0.42 |
SO4= (mg[S]/l) |
0.64 |
0.69 |
0.54 |
0.61 |
PO43- (mg[P]/l) |
0.01 |
0.02 |
0.01 |
0.00 |
Tableau 256 : Réseau pluies acides - Eau moyenne
- Offagne, Croix Dominique
PANT04 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
0.25 |
0.33 |
0.36 |
0.36 |
Na+ (µeq/l) |
74.43 |
63.55 |
39.28 |
54.02 |
K+ (µeq/l) |
3.06 |
1.34 |
2.27 |
2.06 |
Ca++ (µeq/l) |
69.32 |
66.95 |
56.90 |
56.19 |
Mg++ (µeq/l) |
12.05 |
13.72 |
7.66 |
9.69 |
NH4+ (µeq/l) |
90.83 |
87.42 |
55.15 |
72.41 |
Cl- (µeq/l) |
41.97 |
49.01 |
21.02 |
36.15 |
F- (µeq/l) |
0.27 |
0.20 |
0.62 |
0.60 |
NO3- (µeq/l) |
30.33 |
32.63 |
29.17 |
30.01 |
SO4= (µeq/l) |
40.04 |
43.00 |
33.99 |
38.18 |
PO43- (µeq/l) |
1.31 |
1.66 |
0.51 |
0.36 |
Somme des cations |
249.94 |
233.31 |
161.61 |
194.73 |
Somme des anions |
113.91 |
126.50 |
85.30 |
105.30 |
Tableau 257 : Réseau pluies acides - Composition
ionique - Offagne, Croix Dominique
PANT05 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
1028.30 |
329.83 |
595.75 |
959.23 |
Conductivité
(µS/cm) |
14.92 |
15.21 |
15.67 |
17.03 |
pH |
5.13 |
4.90 |
5.11 |
4.95 |
Na+ (mg/l) |
0.79 |
0.72 |
0.63 |
0.68 |
K+ (mg/l) |
0.06 |
0.06 |
0.07 |
0.07 |
Ca++ (mg/l) |
0.31 |
0.21 |
0.45 |
0.36 |
Mg++ (mg/l) |
0.07 |
0.06 |
0.05 |
0.06 |
NH4+ (mg[N]/l) |
0.62 |
0.52 |
0.71 |
0.64 |
Cl- (mg/l) |
0.64 |
0.66 |
0.60 |
0.70 |
F- (mg/l) |
0.00 |
0.00 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.35 |
0.31 |
0.45 |
0.40 |
SO4= (mg[S]/l) |
0.46 |
0.42 |
0.51 |
0.49 |
PO43- (mg[P]/l) |
0.01 |
0.02 |
0.01 |
0.01 |
Tableau 258 : Réseau pluies acides - Eau moyenne
- Jalhay, Mont Rigi (ULg)
PANT05 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
7.37 |
12.59 |
7.78 |
11.13 |
Na+ (µeq/l) |
34.48 |
31.28 |
27.29 |
29.56 |
K+ (µeq/l) |
1.65 |
1.41 |
1.79 |
1.67 |
Ca++ (µeq/l) |
15.45 |
10.32 |
22.28 |
17.88 |
Mg++ (µeq/l) |
5.94 |
5.17 |
4.24 |
4.92 |
NH4+ (µeq/l) |
50.98 |
36.96 |
50.56 |
45.68 |
Cl- (µeq/l) |
17.99 |
18.53 |
16.81 |
19.85 |
F- (µeq/l) |
0.17 |
0.09 |
0.34 |
0.30 |
NO3- (µeq/l) |
25.33 |
21.90 |
32.22 |
28.90 |
SO4= (µeq/l) |
28.54 |
25.94 |
31.69 |
30.37 |
PO43- (µeq/l) |
1.18 |
1.68 |
0.98 |
0.73 |
Somme des cations |
115.87 |
97.73 |
113.93 |
110.84 |
Somme des anions |
73.21 |
68.14 |
82.05 |
80.16 |
Tableau 259 : Réseau pluies acides - Composition
ionique - Jalhay, Mont Rigi (ULg)
PANT07 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
880.73 |
295.36 |
371.56 |
669.92 |
Conductivité
(µS/cm) |
23.07 |
24.13 |
13.23 |
16.35 |
pH |
5.78 |
5.32 |
5.62 |
5.42 |
Na+ (mg/l) |
1.83 |
1.71 |
0.44 |
0.83 |
K+ (mg/l) |
0.11 |
0.14 |
0.10 |
0.11 |
Ca++ (mg/l) |
0.79 |
0.50 |
0.64 |
0.52 |
Mg++ (mg/l) |
0.11 |
0.11 |
0.05 |
0.06 |
NH4+ (mg[N]/l) |
0.77 |
0.81 |
0.72 |
0.72 |
Cl- (mg/l) |
1.65 |
1.19 |
0.40 |
0.68 |
F- (mg/l) |
0.00 |
0.01 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.44 |
0.49 |
0.44 |
0.41 |
SO4= (mg[S]/l) |
0.56 |
0.54 |
0.41 |
0.42 |
PO43- (mg[P]/l) |
0.01 |
0.02 |
0.02 |
0.02 |
Tableau 260 : Réseau pluies acides - Eau moyenne
- Habay-la-Vieille, rue du Vivier
PANT07 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
1.67 |
4.76 |
2.41 |
3.77 |
Na+ (µeq/l) |
79.51 |
74.36 |
18.98 |
35.99 |
K+ (µeq/l) |
2.77 |
3.66 |
2.52 |
2.86 |
Ca++ (µeq/l) |
39.64 |
24.80 |
32.00 |
25.95 |
Mg++ (µeq/l) |
9.44 |
9.18 |
4.31 |
5.30 |
NH4+ (µeq/l) |
63.40 |
58.13 |
51.28 |
51.30 |
Cl- (µeq/l) |
46.50 |
33.45 |
11.34 |
19.07 |
F- (µeq/l) |
0.12 |
0.51 |
0.32 |
0.36 |
NO3- (µeq/l) |
31.62 |
35.26 |
31.55 |
29.43 |
SO4= (µeq/l) |
34.73 |
33.62 |
25.29 |
26.50 |
PO43- (µeq/l) |
1.02 |
1.79 |
1.57 |
1.57 |
Somme des cations |
196.44 |
174.89 |
111.50 |
125.17 |
Somme des anions |
113.98 |
104.63 |
70.08 |
76.93 |
Tableau 261 : Réseau pluies acides - Composition
ionique - Habay-la-Vieille, rue du Vivier
PANT08 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
936.72 |
372.04 |
623.03 |
1113.77 |
Conductivité
(µS/cm) |
23.07 |
30.97 |
25.15 |
25.70 |
pH |
6.37 |
6.27 |
6.36 |
6.08 |
Na+ (mg/l) |
1.71 |
2.56 |
1.67 |
1.90 |
K+ (mg/l) |
0.09 |
0.07 |
0.19 |
0.13 |
Ca++ (mg/l) |
1.19 |
1.06 |
1.35 |
1.15 |
Mg++ (mg/l) |
0.15 |
0.21 |
0.20 |
0.19 |
NH4+ (mg[N]/l) |
0.71 |
0.73 |
0.78 |
0.68 |
Cl- (mg/l) |
1.15 |
2.34 |
0.91 |
1.46 |
F- (mg/l) |
0.01 |
0.01 |
0.02 |
0.02 |
NO3- (mg[N])/l) |
0.56 |
0.61 |
0.66 |
0.59 |
SO4= (mg[S]/l) |
0.61 |
0.72 |
0.78 |
0.73 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
0.04 |
0.02 |
Tableau 262 : Réseau pluies acides - Eau moyenne
- Sinsin, rue Tige de Nettinne
PANT08 |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
0.43 |
0.53 |
0.44 |
0.84 |
Na+ (µeq/l) |
74.38 |
111.17 |
72.78 |
82.46 |
K+ (µeq/l) |
2.34 |
1.80 |
4.79 |
3.42 |
Ca++ (µeq/l) |
59.55 |
52.91 |
67.26 |
57.26 |
Mg++ (µeq/l) |
12.17 |
17.06 |
16.20 |
15.82 |
NH4+ (µeq/l) |
58.36 |
52.34 |
55.69 |
48.67 |
Cl- (µeq/l) |
32.31 |
65.94 |
25.54 |
41.28 |
F- (µeq/l) |
0.33 |
0.59 |
1.11 |
1.02 |
NO3- (µeq/l) |
39.71 |
43.59 |
46.99 |
42.02 |
SO4= (µeq/l) |
38.24 |
45.08 |
48.56 |
45.46 |
PO43- (µeq/l) |
0.61 |
0.68 |
3.79 |
2.26 |
Somme des cations |
207.22 |
235.81 |
217.16 |
208.46 |
Somme des anions |
111.20 |
155.88 |
125.99 |
132.04 |
Tableau 263 : Réseau pluies acides - Composition
ionique - Sinsin, rue Tige de Nettinne
PANT09 (1) |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
481.43 |
323.80 |
338.52 |
633.03 |
Conductivité
(µS/cm) |
22.16 |
26.20 |
25.15 |
25.70 |
pH |
5.65 |
5.23 |
4.96 |
4.95 |
Na+ (mg/l) |
1.07 |
1.23 |
0.56 |
0.84 |
K+ (mg/l) |
0.15 |
0.15 |
0.07 |
0.09 |
Ca++ (mg/l) |
1.72 |
1.92 |
0.65 |
0.84 |
Mg++ (mg/l) |
0.18 |
0.19 |
0.10 |
0.15 |
NH4+ (mg[N]/l) |
1.08 |
0.45 |
0.65 |
0.62 |
Cl- (mg/l) |
1.28 |
1.59 |
0.59 |
1.01 |
F- (mg/l) |
0.03 |
0.03 |
0.02 |
0.02 |
NO3- (mg[N])/l) |
0.54 |
0.30 |
0.42 |
0.41 |
SO4= (mg[S]/l) |
1.18 |
1.20 |
0.83 |
0.91 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
0.01 |
0.00 |
(1) à partir du 02/02/04
Tableau 264 : Réseau pluies acides - Eau moyenne
- Liège, rue du Chéra (ISSeP)
PANT09 (1) |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
2.26 |
5.94 |
11.09 |
11.13 |
Na+ (µeq/l) |
46.64 |
53.61 |
24.15 |
36.48 |
K+ (µeq/l) |
3.94 |
3.80 |
1.70 |
2.21 |
Ca++ (µeq/l) |
85.97 |
95.97 |
32.43 |
41.74 |
Mg++ (µeq/l) |
15.16 |
15.65 |
8.15 |
12.33 |
NH4+ (µeq/l) |
89.14 |
32.15 |
46.48 |
44.01 |
Cl- (µeq/l) |
35.97 |
44.74 |
16.66 |
28.50 |
F- (µeq/l) |
1.66 |
1.59 |
1.10 |
1.22 |
NO3- (µeq/l) |
38.40 |
21.60 |
30.04 |
29.02 |
SO4= (µeq/l) |
73.46 |
75.10 |
51.60 |
57.07 |
PO43- (µeq/l) |
0.74 |
0.72 |
0.51 |
0.37 |
Somme des cations |
243.09 |
207.13 |
123.99 |
147.92 |
Somme des anions |
150.23 |
143.75 |
99.91 |
116.19 |
(1) à partir du 02/02/04
Tableau 265 : Réseau pluies acides - Composition
ionique - Liège, rue du Chéra (ISSeP)
PANT10 (1) |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
Volume (mm) |
/ |
/ |
209.52 |
335.25 |
Conductivité
(µS/cm) |
/ |
/ |
19.37 |
22.74 |
pH |
/ |
/ |
5.28 |
5.05 |
Na+ (mg/l) |
/ |
/ |
0.46 |
0.57 |
K+ (mg/l) |
/ |
/ |
0.09 |
0.09 |
Ca++ (mg/l) |
/ |
/ |
0.20 |
0.17 |
Mg++ (mg/l) |
/ |
/ |
0.05 |
0.06 |
NH4+ (mg[N]/l) |
/ |
/ |
0.46 |
0.39 |
Cl- (mg/l) |
/ |
/ |
0.62 |
0.82 |
F- (mg/l) |
/ |
/ |
0.01 |
0.01 |
NO3- (mg[N])/l) |
/ |
/ |
0.34 |
0.29 |
SO4= (mg[S]/l) |
/ |
/ |
0.37 |
0.34 |
PO43- (mg[P]/l) |
/ |
/ |
0.03 |
0.02 |
(1)
à partir du 06/06/05
Tableau 266 : Réseau pluies acides - Eau moyenne
–Vielsalm, Domaine de Tinseûbois
PANT10 (1) |
2004 |
Hiver
10/2004 - 03/2005 |
Eté
04/2005 - 09/2005 |
2005 |
H+ (µeq/l) |
/ |
/ |
5.20 |
8.91 |
Na+ (µeq/l) |
/ |
/ |
19.85 |
24.71 |
K+ (µeq/l) |
/ |
/ |
2.43 |
2.33 |
Ca++ (µeq/l) |
/ |
/ |
9.81 |
8.35 |
Mg++ (µeq/l) |
/ |
/ |
3.75 |
4.69 |
NH4+ (µeq/l) |
/ |
/ |
32.61 |
27.71 |
Cl- (µeq/l) |
/ |
/ |
17.35 |
23.00 |
F- (µeq/l) |
/ |
/ |
0.47 |
0.36 |
NO3- (µeq/l) |
/ |
/ |
24.19 |
21.03 |
SO4= (µeq/l) |
/ |
/ |
23.17 |
21.48 |
PO43- (µeq/l) |
/ |
/ |
2.58 |
1.61 |
Somme des cations |
/ |
/ |
73.65 |
76.71 |
Somme des anions |
/ |
/ |
67.77 |
67.49 |
(1) à partir du 06/06/05
Tableau 267 : Réseau pluies acides - Composition
ionique - Vielsalm, Domaine de Tinseûbois |