11.7.2. Réseau pluies acides
Lacidification de lenvironnement par les retombées humides est un
problème environnemental à léchelle continentale. En effet, la charge
contenue dans les pluies dépend, à la fois, de lair dans lequel les
gouttelettes ont transité et de lair dans lequel le nuage sest formé.
Les stations du réseau sont donc réparties de manière à quadriller au
maximum la Région wallonne. A lexception de la station de Liège, les
stations sont éloignées autant que possible des zones urbaines ou industrielles.
Les Tableaux 247 à 264 reprennent la composition de leau moyenne, ainsi
que le bilan ionique pour chaque station.
PANT01 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
1252.74 |
592.53 |
550.93 |
1149.29 |
Conductivité (µS/cm) |
25.37 |
29.59 |
21.13 |
29.94 |
pH |
5.65 |
5.41 |
6.52 |
6.06 |
Na+ (mg/l) |
2.08 |
2.88 |
1.76 |
2.81 |
K+ (mg/l) |
0.31 |
0.37 |
0.19 |
0.30 |
Ca++ (mg/l) |
1.38 |
1.41 |
1.60 |
1.67 |
Mg++ (mg/l) |
0.21 |
0.30 |
0.18 |
0.24 |
NH4+ (mg[N]/l) |
0.79 |
0.49 |
0.59 |
0.58 |
Cl- (mg/l) |
2.51 |
3.22 |
1.53 |
2.35 |
F- (mg/l) |
0.05 |
0.08 |
0.01 |
0.02 |
NO3- (mg[N])/l) |
0.46 |
0.48 |
0.33 |
0.46 |
SO4= (mg[S]/l) |
0.88 |
1.09 |
0.69 |
0.98 |
PO43- (mg[P]/l) |
0.03 |
0.03 |
0.01 |
0.01 |
Tableau 247 : Réseau pluies acides - Eau moyenne -
Péruwelz, boulevard Léopold III, 58
PANT01 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
2.24 |
3.88 |
0.86 |
0.86 |
Na+ (µeq/l) |
90.35 |
125.12 |
122.08 |
122.08 |
K+ (µeq/l) |
7.84 |
9.54 |
7.59 |
7.59 |
Ca++ (µeq/l) |
68.78 |
70.22 |
83.42 |
83.42 |
Mg++ (µeq/l) |
17.25 |
24.33 |
19.42 |
19.42 |
NH4+ (µeq/l) |
65.18 |
40.26 |
47.47 |
47.47 |
Cl- (µeq/l) |
70.94 |
90.84 |
66.22 |
66.22 |
F- (µeq/l) |
2.42 |
4.34 |
1.10 |
1.10 |
NO3- (µeq/l) |
32.58 |
34.46 |
33.08 |
33.08 |
SO4= (µeq/l) |
54.97 |
67.96 |
61.27 |
61.27 |
PO43- (µeq/l) |
2.85 |
2.70 |
1.38 |
1.38 |
Somme des cations |
251.63 |
273.35 |
280.84 |
280.84 |
Somme des anions |
163.75 |
200.30 |
163.05 |
163.05 |
Tableau 248 : Réseau pluies acides - Composition ionique
- Péruwelz, boulevard Léopold III, 58
PANT02 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
611.06 |
301.98 |
379.58 |
641.20 |
Conductivité (µS/cm) |
18.57 |
22.86 |
25.71 |
24.84 |
pH |
5.88 |
6.55 |
6.84 |
6.78 |
Na+ (mg/l) |
1.29 |
1.76 |
0.91 |
1.17 |
K+ (mg/l) |
0.87 |
1.51 |
0.60 |
0.95 |
Ca++ (mg/l) |
1.05 |
1.46 |
1.05 |
1.32 |
Mg++ (mg/l) |
0.15 |
0.24 |
0.13 |
0.16 |
NH4+ (mg[N]/l) |
0.56 |
0.38 |
1.52 |
1.09 |
Cl- (mg/l) |
1.37 |
1.91 |
0.77 |
1.10 |
F- (mg/l) |
0.02 |
0.05 |
0.00 |
0.00 |
NO3- (mg[N])/l) |
0.32 |
0.30 |
0.39 |
0.40 |
SO4= (mg[S]/l) |
0.49 |
0.52 |
0.54 |
0.51 |
PO43- (mg[P]/l) |
0.01 |
0.02 |
0.08 |
0.07 |
Tableau 249 : Réseau pluies acides - Eau moyenne -
Virelles, Etang de Virelles
PANT02 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
1.31 |
0.28 |
0.17 |
0.17 |
Na+ (µeq/l) |
56.17 |
76.72 |
50.85 |
50.85 |
K+ (µeq/l) |
22.31 |
38.69 |
24.30 |
24.30 |
Ca++ (µeq/l) |
52.30 |
72.74 |
66.05 |
66.05 |
Mg++ (µeq/l) |
12.52 |
19.67 |
13.52 |
13.52 |
NH4+ (µeq/l) |
46.11 |
31.49 |
89.88 |
89.88 |
Cl- (µeq/l) |
38.58 |
54.00 |
30.97 |
30.97 |
F- (µeq/l) |
1.30 |
2.42 |
0.18 |
0.18 |
NO3- (µeq/l) |
22.58 |
21.51 |
28.48 |
28.48 |
SO4= (µeq/l) |
30.45 |
32.45 |
32.05 |
32.05 |
PO43- (µeq/l) |
1.30 |
2.17 |
6.41 |
6.41 |
Somme des cations |
190.73 |
239.59 |
244.76 |
244.76 |
Somme des anions |
94.21 |
112.55 |
98.09 |
98.09 |
Tableau 250 : Réseau pluies acides - Composition ionique
- Virelles, Etang de Virelles
PANT03 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
600.78 |
306.09 |
371.47 |
661.51 |
Conductivité (µS/cm) |
18.33 |
25.67 |
19.63 |
21.89 |
pH |
4.95 |
4.62 |
5.18 |
5.03 |
Na+ (mg/l) |
1.27 |
1.77 |
0.94 |
1.27 |
K+ (mg/l) |
0.18 |
0.18 |
0.12 |
0.11 |
Ca++ (mg/l) |
0.75 |
0.52 |
0.58 |
0.50 |
Mg++ (mg/l) |
0.12 |
0.17 |
0.10 |
0.12 |
NH4+ (mg[N]/l) |
0.62 |
0.36 |
0.83 |
0.60 |
Cl- (mg/l) |
1.20 |
2.03 |
0.74 |
1.22 |
F- (mg/l) |
0.02 |
0.03 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.34 |
0.31 |
0.39 |
0.34 |
SO4= (mg[S]/l) |
0.71 |
0.80 |
0.69 |
0.73 |
PO43- (mg[P]/l) |
0.00 |
0.01 |
0.00 |
0.01 |
Tableau 251 : Réseau pluies acides - Eau moyenne -
Gembloux, Faculté des Sciences Agronomiques
PANT03 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
11.21 |
23.96 |
9.41 |
9.41 |
Na+ (µeq/l) |
55.08 |
76.98 |
55.11 |
55.11 |
K+ (µeq/l) |
4.69 |
4.51 |
2.77 |
2.77 |
Ca++ (µeq/l) |
37.43 |
25.86 |
25.11 |
25.11 |
Mg++ (µeq/l) |
10.18 |
14.23 |
10.11 |
10.11 |
NH4+ (µeq/l) |
50.93 |
29.85 |
49.24 |
49.24 |
Cl- (µeq/l) |
33.88 |
57.35 |
34.34 |
34.34 |
F- (µeq/l) |
1.13 |
1.67 |
0.28 |
0.28 |
NO3- (µeq/l) |
24.17 |
22.08 |
24.41 |
24.41 |
SO4= (µeq/l) |
44.17 |
49.93 |
45.23 |
45.23 |
PO43- (µeq/l) |
0.41 |
0.84 |
0.54 |
0.54 |
Somme des cations |
169.52 |
175.39 |
151.74 |
151.74 |
Somme des anions |
103.77 |
131.87 |
104.80 |
104.80 |
Tableau 252 : Réseau pluies acides - Composition ionique
- Gembloux, Faculté des Sciences Agronomiques
PANT04 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
816.85 |
674.66 |
702.19 |
1491.35 |
Conductivité (µS/cm) |
26.26 |
32.66 |
22.43 |
26.24 |
pH |
6.67 |
6.95 |
6.59 |
6.61 |
Na+ (mg/l) |
1.84 |
2.75 |
1.19 |
1.71 |
K+ (mg/l) |
0.35 |
0.29 |
0.14 |
0.12 |
Ca++ (mg/l) |
1.29 |
1.16 |
1.55 |
1.39 |
Mg++ (mg/l) |
0.17 |
0.19 |
0.11 |
0.15 |
NH4+ (mg[N]/l) |
1.20 |
1.35 |
1.01 |
1.10 |
Cl- (mg/l) |
1.52 |
2.32 |
0.75 |
1.49 |
F- (mg/l) |
0.11 |
0.13 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.47 |
0.47 |
0.36 |
0.42 |
SO4= (mg[S]/l) |
0.68 |
0.80 |
0.52 |
0.64 |
PO43- (mg[P]/l) |
0.02 |
0.01 |
0.01 |
0.01 |
Tableau 253 : Réseau pluies acides - Eau moyenne -
Offagne, Croix Dominique
PANT04 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
0.21 |
0.11 |
0.25 |
0.25 |
Na+ (µeq/l) |
80.03 |
119.53 |
74.43 |
74.43 |
K+ (µeq/l) |
9.01 |
7.50 |
3.06 |
3.06 |
Ca++ (µeq/l) |
64.29 |
58.11 |
69.32 |
69.32 |
Mg++ (µeq/l) |
13.87 |
15.24 |
12.05 |
12.05 |
NH4+ (µeq/l) |
98.80 |
111.19 |
90.83 |
90.83 |
Cl- (µeq/l) |
42.83 |
65.34 |
41.97 |
41.97 |
F- (µeq/l) |
5.63 |
6.76 |
0.27 |
0.27 |
NO3- (µeq/l) |
33.39 |
33.20 |
30.33 |
30.33 |
SO4= (µeq/l) |
42.59 |
49.87 |
40.04 |
40.04 |
PO43- (µeq/l) |
1.78 |
0.81 |
1.31 |
1.31 |
Somme des cations |
266.20 |
311.68 |
249.94 |
249.94 |
Somme des anions |
126.22 |
155.98 |
113.91 |
113.91 |
Tableau 254 : Réseau pluies acides - Composition ionique
- Offagne, Croix Dominique
PANT05 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
766.33 |
488.51 |
600.21 |
1028.30 |
Conductivité (µS/cm) |
20.51 |
18.07 |
13.49 |
14.92 |
pH |
5.27 |
5.09 |
5.26 |
5.13 |
Na+ (mg/l) |
2.19 |
1.21 |
0.64 |
0.79 |
K+ (mg/l) |
0.38 |
0.21 |
0.06 |
0.06 |
Ca++ (mg/l) |
0.70 |
0.42 |
0.35 |
0.31 |
Mg++ (mg/l) |
0.13 |
0.12 |
0.06 |
0.07 |
NH4+ (mg[N]/l) |
0.73 |
0.57 |
0.66 |
0.62 |
Cl- (mg/l) |
1.14 |
1.18 |
0.45 |
0.64 |
F- (mg/l) |
0.03 |
0.04 |
0.00 |
0.00 |
NO3- (mg[N])/l) |
0.51 |
0.36 |
0.35 |
0.35 |
SO4= (mg[S]/l) |
0.61 |
0.48 |
0.45 |
0.46 |
PO43- (mg[P]/l) |
0.10 |
0.01 |
0.01 |
0.01 |
Tableau 255 : Réseau pluies acides - Eau moyenne -
Jalhay, Mont Rigi (ULg)
PANT05 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
5.38 |
8.06 |
7.37 |
7.37 |
Na+ (µeq/l) |
95.08 |
52.54 |
34.48 |
34.48 |
K+ (µeq/l) |
9.83 |
5.44 |
1.65 |
1.65 |
Ca++ (µeq/l) |
35.05 |
21.03 |
15.45 |
15.45 |
Mg++ (µeq/l) |
11.09 |
9.73 |
5.94 |
5.94 |
NH4+ (µeq/l) |
59.80 |
47.25 |
50.98 |
50.98 |
Cl- (µeq/l) |
32.14 |
33.16 |
17.99 |
17.99 |
F- (µeq/l) |
1.50 |
2.05 |
0.17 |
0.17 |
NO3- (µeq/l) |
36.35 |
25.76 |
25.33 |
25.33 |
SO4= (µeq/l) |
38.26 |
29.84 |
28.54 |
28.54 |
PO43- (µeq/l) |
9.35 |
1.06 |
1.18 |
1.18 |
Somme des cations |
216.23 |
144.06 |
115.87 |
115.87 |
Somme des anions |
117.59 |
91.87 |
73.21 |
73.21 |
Tableau 256 : Réseau pluies acides - Composition ionique
- Jalhay, Mont Rigi (ULg)
PANT06 (1) |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
428.19 |
262.96 |
/ |
158.36 |
Conductivité (µS/cm) |
28.01 |
36.49 |
/ |
40.59 |
pH |
6.13 |
6.37 |
/ |
6.90 |
Na+ (mg/l) |
1.60 |
2.76 |
/ |
3.10 |
K+ (mg/l) |
0.30 |
0.32 |
/ |
0.32 |
Ca++ (mg/l) |
2.07 |
2.46 |
/ |
3.11 |
Mg++ (mg/l) |
0.24 |
0.35 |
/ |
0.36 |
NH4+ (mg[N]/l) |
1.24 |
0.79 |
/ |
0.67 |
Cl- (mg/l) |
1.51 |
2.98 |
/ |
2.96 |
F- (mg/l) |
0.05 |
0.05 |
/ |
0.03 |
NO3- (mg[N])/l) |
0.57 |
0.50 |
/ |
0.50 |
SO4= (mg[S]/l) |
1.21 |
1.46 |
/ |
1.66 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
/ |
0.02 |
(1) arrêtée le 12/04/04
Tableau 257 : Réseau pluies acides - Eau moyenne -
Liège, rue du Chéra (ISSeP)
PANT06 (1) |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
0.73 |
0.43 |
/ |
0.12 |
Na+ (µeq/l) |
69.73 |
119.84 |
/ |
135.01 |
K+ (µeq/l) |
7.68 |
8.12 |
/ |
8.18 |
Ca++ (µeq/l) |
103.50 |
122.84 |
/ |
155.10 |
Mg++ (µeq/l) |
19.51 |
29.17 |
/ |
29.41 |
NH4+ (µeq/l) |
101.79 |
65.12 |
/ |
55.43 |
Cl- (µeq/l) |
42.70 |
84.10 |
/ |
83.36 |
F- (µeq/l) |
2.43 |
2.89 |
/ |
1.67 |
NO3- (µeq/l) |
40.38 |
35.68 |
/ |
36.02 |
SO4= (µeq/l) |
75.50 |
91.00 |
/ |
103.44 |
PO43- (µeq/l) |
0.84 |
1.44 |
/ |
1.70 |
Somme des cations |
302.95 |
345.51 |
/ |
383.27 |
Somme des anions |
161.85 |
215.11 |
/ |
226.19 |
(1) arrêtée le 12/04/04
Tableau 258 : Réseau pluies acides - Composition ionique
- Liège, rue du Chéra (ISSeP)
PANT07 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
584.10 |
388.40 |
481.03 |
880.73 |
Conductivité (µS/cm) |
22.74 |
34.90 |
14.00 |
23.07 |
pH |
6.10 |
6.35 |
6.10 |
5.78 |
Na+ (mg/l) |
2.01 |
3.50 |
0.80 |
1.83 |
K+ (mg/l) |
0.33 |
0.26 |
0.12 |
0.11 |
Ca++ (mg/l) |
1.27 |
1.24 |
0.69 |
0.79 |
Mg++ (mg/l) |
0.14 |
0.18 |
0.08 |
0.11 |
NH4+ (mg[N]/l) |
0.90 |
0.71 |
0.83 |
0.77 |
Cl- (mg/l) |
1.20 |
3.37 |
0.45 |
1.65 |
F- (mg/l) |
0.12 |
0.19 |
0.00 |
0.00 |
NO3- (mg[N])/l) |
0.51 |
0.42 |
0.43 |
0.44 |
SO4= (mg[S]/l) |
0.62 |
0.62 |
0.53 |
0.56 |
PO43- (mg[P]/l) |
0.02 |
0.02 |
0.01 |
0.01 |
Tableau 259 : Réseau pluies acides - Eau moyenne -
Habay-la-Vieille, Régie des routes
PANT07 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
0.79 |
0.44 |
1.65 |
1.67 |
Na+ (µeq/l) |
87.44 |
152.03 |
79.51 |
79.51 |
K+ (µeq/l) |
8.46 |
6.64 |
2.79 |
2.77 |
Ca++ (µeq/l) |
63.51 |
61.72 |
42.39 |
39.64 |
Mg++ (µeq/l) |
11.35 |
14.78 |
9.60 |
9.44 |
NH4+ (µeq/l) |
74.19 |
58.34 |
62.65 |
63.40 |
Cl- (µeq/l) |
33.86 |
95.10 |
46.50 |
46.50 |
F- (µeq/l) |
6.57 |
9.93 |
0.13 |
0.12 |
NO3- (µeq/l) |
36.06 |
30.11 |
32.22 |
31.62 |
SO4= (µeq/l) |
38.90 |
38.56 |
37.66 |
34.73 |
PO43- (µeq/l) |
2.33 |
2.30 |
1.01 |
1.02 |
Somme des cations |
245.76 |
293.95 |
198.60 |
196.44 |
Somme des anions |
117.72 |
176.00 |
117.51 |
113.98 |
Tableau 260 : Réseau pluies acides - Composition ionique
- Habay-la-Vieille, Régie des routes
PANT08 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
653.43 |
323.31 |
573.59 |
936.72 |
Conductivité (µS/cm) |
18.12 |
34.90 |
14.00 |
23.07 |
pH |
6.24 |
6.29 |
6.41 |
6.37 |
Na+ (mg/l) |
1.18 |
1.78 |
1.58 |
1.71 |
K+ (mg/l) |
0.23 |
0.27 |
0.09 |
0.09 |
Ca++ (mg/l) |
1.23 |
1.00 |
1.30 |
1.19 |
Mg++ (mg/l) |
0.14 |
0.18 |
0.12 |
0.15 |
NH4+ (mg[N]/l) |
0.85 |
0.71 |
0.73 |
0.71 |
Cl- (mg/l) |
0.96 |
1.74 |
0.67 |
1.15 |
F- (mg/l) |
0.04 |
0.08 |
0.01 |
0.01 |
NO3- (mg[N])/l) |
0.49 |
0.47 |
0.55 |
0.56 |
SO4= (mg[S]/l) |
0.53 |
0.58 |
0.60 |
0.61 |
PO43- (mg[P]/l) |
0.01 |
0.01 |
0.01 |
0.01 |
Tableau 261 : Réseau pluies acides - Eau moyenne -
Sinsin, Régie des routes
PANT08 |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
0.57 |
0.51 |
0.43 |
0.43 |
Na+ (µeq/l) |
51.49 |
77.33 |
74.38 |
74.38 |
K+ (µeq/l) |
5.84 |
6.90 |
2.34 |
2.34 |
Ca++ (µeq/l) |
61.18 |
49.81 |
59.55 |
59.55 |
Mg++ (µeq/l) |
11.90 |
15.17 |
12.17 |
12.17 |
NH4+ (µeq/l) |
69.57 |
58.66 |
58.36 |
58.36 |
Cl- (µeq/l) |
27.00 |
49.17 |
32.31 |
32.31 |
F- (µeq/l) |
2.37 |
4.41 |
0.33 |
0.33 |
NO3- (µeq/l) |
34.65 |
33.79 |
39.71 |
39.71 |
SO4= (µeq/l) |
32.89 |
36.35 |
38.24 |
38.24 |
PO43- (µeq/l) |
0.62 |
0.83 |
0.61 |
0.61 |
Somme des cations |
200.55 |
208.38 |
207.22 |
207.22 |
Somme des anions |
97.52 |
124.55 |
111.20 |
111.20 |
Tableau 262 : Réseau pluies acides - Composition ionique
- Sinsin, Régie des routes
PANT09 (1) |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
Volume (mm) |
/ |
82.48 |
241.78 |
481.43 |
Conductivité (µS/cm) |
/ |
20.25 |
20.35 |
22.16 |
pH |
/ |
5.70 |
5.56 |
5.65 |
Na+ (mg/l) |
/ |
2.46 |
0.71 |
1.07 |
K+ (mg/l) |
/ |
0.24 |
0.12 |
0.15 |
Ca++ (mg/l) |
/ |
1.57 |
1.32 |
1.72 |
Mg++ (mg/l) |
/ |
0.32 |
0.15 |
0.18 |
NH4+ (mg[N]/l) |
/ |
1.53 |
1.51 |
1.08 |
Cl- (mg/l) |
/ |
2.95 |
0.69 |
1.28 |
F- (mg/l) |
/ |
0.03 |
0.03 |
0.03 |
NO3- (mg[N])/l) |
/ |
0.77 |
0.66 |
0.54 |
SO4= (mg[S]/l) |
/ |
1.49 |
1.09 |
1.18 |
PO43- (mg[P]/l) |
/ |
0.01 |
0.01 |
0.01 |
(1) à partir du 02/02/04
Tableau 263 : Réseau pluies acides - Eau moyenne -
Liège, rue du Chéra (ISSeP)
PANT09 (1) |
2003 |
Hiver
10/2003 - 03/2004 |
Eté
04/2004 - 09/2004 |
2004 |
H+ (µeq/l) |
/ |
1.99 |
2.26 |
2.26 |
Na+ (µeq/l) |
/ |
106.79 |
46.64 |
46.64 |
K+ (µeq/l) |
/ |
6.16 |
3.94 |
3.94 |
Ca++ (µeq/l) |
/ |
78.51 |
85.97 |
85.97 |
Mg++ (µeq/l) |
/ |
26.38 |
15.16 |
15.16 |
NH4+ (µeq/l) |
/ |
125.97 |
89.14 |
89.14 |
Cl- (µeq/l) |
/ |
83.19 |
35.97 |
35.97 |
F- (µeq/l) |
/ |
1.68 |
1.66 |
1.66 |
NO3- (µeq/l) |
/ |
55.24 |
38.40 |
38.40 |
SO4= (µeq/l) |
/ |
93.11 |
73.46 |
73.46 |
PO43- (µeq/l) |
/ |
0.88 |
0.74 |
0.74 |
Somme des cations |
/ |
345.81 |
243.09 |
243.09 |
Somme des anions |
/ |
234.10 |
150.23 |
150.23 |
(1) à partir du 02/02/04
Tableau 264 : Réseau pluies acides - Composition ionique
- Liège, rue du Chéra (ISSeP)
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