TOPO Flashcards
What is the definition of topographie?
La topographie est la science qui a pour objet l’établissement et l’emploi de documents donnant sous une forme conventionnelle la représentation sur un plan.
Topographie implique la description et la représentation d’un lieu.
What does the term ‘TOPO’ refer to?
Lieu
‘TOPO’ est un préfixe signifiant ‘lieu’.
What does the term ‘GRAPHIE’ refer to?
Décrire
‘GRAPHIE’ est un suffixe signifiant ‘décrire’.
Quelle est l’échelle utilisée pour les courses d’orientation
1/15000
Utilisé pour des activités de navigation ou d’orientation.
What is the scale used for détermination topographique?
1/25000
Cette échelle est utilisée pour des relevés topographiques détaillés.
What is the scale used for manœuvre échelon compagnie?
1/50000
Cette échelle est adaptée aux manœuvres militaires à l’échelon de la compagnie.
What is the scale used for éléments de reconnaissance?
1/100000
Utilisé pour des éléments de reconnaissance générale.
What is the scale used for déplacements motorisés?
1/200000
Cette échelle est souvent utilisée dans les guides comme Michelin.
Name the three types of North in topography.
- Nord magnétique (boussole)
- Nord géographique (méridiens)
- Nord cartographique (carte)
Ces différents types de Nord sont essentiels pour la navigation et la cartographie.
What does UTM stand for?
Universal Transverse Mercator
UTM is a global map projection system used for mapping and geospatial analysis.
How many UTM zones are there?
60 zones
These zones are numbered from 1 to 60 and are spaced 6° of longitude apart.
What is the significance of the meridian of Greenwich in UTM?
It forms the boundary between zones 30 and 31
The meridian of Greenwich is a reference point for determining UTM zones.
Which UTM zones cover France?
Zones 30, 31, and 32
France is located in these three specific UTM zones.
How many latitude bands are there in UTM?
20 bands
These bands are identified from C to X, excluding I and O to avoid confusion with numbers.
Which UTM bands cover France?
Bands T and U
France lies within these latitude bands.
What is the total number of grid zones in UTM?
1200 zones
This is calculated as 60 zones multiplied by 20 bands.
What is the size of each square in the UTM rectangular grid?
100 km x 100 km
Each square is identified based on the central meridian of the zone.
How are the squares in the UTM grid designated in the abscissa?
By letters A to Z (excluding I and O)
This designation helps in identifying the specific location within the grid.
How are the squares in the UTM grid designated in the ordonnée?
By letters A to V (excluding I and O)
This designation complements the abscissa designation for precise location identification.
What are the subsequent divisions of the 100 km squares in UTM?
Divided into squares of 10 km and then 1 km
This hierarchical division allows for detailed mapping and navigation.
What does the number 31 represent in the coordinates 31T DK 12547 45698?
Numéro de fuseau
What does the letter ‘T’ indicate in the coordinates 31T DK 12547 45698?
Lettre de la bande
In the coordinates 31T DK 12547 45698, what does ‘DK’ refer to?
Carré de 100km sur 100km
What is the size of the square indicated by ‘12’ in the coordinates 31T DK 12547 45698?
Carré de 1km sur 1km