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Thermograph Network
The thermograph network is made up of 25 stations where temperature has been recorded nearly continuously since 1993 at depths generally ranging from 1 to 30 metres, although some stations are recording at depths of 100 m or more (Ex: Havre-Saint-Pierre and Gyre d’Anticosti).
Other than keeping track of environmental conditions, the network is used for the calibration of remote-sensing images from NOAA (National Oceanic and Atmospheric Administration) meteorological satellites. The Institut Maurice-Lamontagne’s (IML) remote sensing laboratory relies on two receiving stations that acquire real-time satellite images. One of the stations is located at IML while the second is at Resolute Bay.
Characteristics of the Thermograph network stations
| Name | Number | Position (lat, long) | Instrument depth
(varying according to tidal height) |
| Île d’Entrée |
1966 |
47° 16’ 37”N
61° 43’ 06”W |
2-5 m |
| Rivière-au-Renard |
2330 |
48° 59’ 45”N
64° 22’ 45”W |
2-5 m |
| Sept-Îles |
2780 |
50° 11’ 28”N
66° 22’ 23”W |
1-7 m |
| Rimouski |
2985 |
48° 28’ 54”N
68° 30’ 54”W |
3-10 m |
Port-Alfred
(Saguenay) |
3460 |
48° 20’ 03”N
70° 52’ 10”W |
2-10 m |
| Saint-Joseph-de-la-Rive |
3057 |
47° 26’ 56”N
70° 21’ 56”W |
1-10 m |
Rocher Neptune
(seasonnal) |
3071 |
47° 09’ 42”N
70° 36’ 28”W |
1-9 m |
Saint-François
(Île d’Orléans) |
3100 |
45° 59’ 48”N
70° 48’ 42”W |
1-10 m |
| Lauzon |
3250 |
46° 49’ 48”N
71° 09’ 54”W |
1-9 m |
| Port de Québec |
3246 |
46°49’ 27”N
71° 11’ 54”W |
3-11 m |
| Neuville |
3280 |
46° 41’ 54”N
71° 34’ 48”W |
0-8 m |
| Portneuf |
3300 |
46° 40’ 54”N
71° 52’ 42”W |
2-8 m |
Deschaillons
(Cap-à-la-Roche) |
3335 |
46° 33’ 42”N
72° 06’ 24”W |
1-6 m |
| Batiscan |
3345 |
46° 30’ 00”N
72° 14’ 54”W |
1-5 m |
| Bécancour |
3353 |
46° 23’ 59”N
72° 22’ 44”W |
1-7 m |
| Trois-Rivières |
3360 |
46° 20’ 26”N
72° 32’ 23”W |
2-6 m |
| Port-Saint-François |
3365 |
46° 16’ 21”N
72° 37’ 10”W |
1-5 m |
| Lac St-Pierre |
15975 |
46° 11’ 41”N
72° 53’ 45”W |
1-5 m |
| Sorel |
15930 |
46° 02’ 49”N
73° 06’ 58”W |
2-6 m |
| Contrecoeur |
15780 |
45° 49’ 58”N
73° 17’ 01”W |
2-6 m |
| Varennes |
15660 |
45° 41’ 02”N
73° 26’ 39”W |
1-5 m |
Montréal
(Rue Frontenac) |
15540 |
45° 31’ 43”N
73° 32’ 34”W |
1-5 m |
| Montréal (Jetée #1) |
15520 |
45° 30’ 12”N
73° 33’ 09”W |
2-6 m |
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Observation Network