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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