spatial data Flashcards
what are analog techniques of spatial data?
paper, non-technological techniques- paper and maps, habitat surveys, simple route planning.
what are digital techniques?
using technology and computers to collect spatial data- GPS, online maps, websites.
what is needed to be considered when collecting spatial data?
the effectiveness, cost, the time needed ability to use, weather, accuracy
what does GPS stand for?
global positioning system
what is ArcGIS?
a website allowing individuals to make their own map with personal areas or areas of interest. can be uploaded into groups.
what is GPS Garmen Tex 10?
handheld GPS holds specific location and height of altitude. it is used to track the areas of walking.
what is the analog similarity for Garmen Tex?
a printed map from digimaps to plan the journey and follow the map to specific areas. the altitude can be shown by the lines on the map
what is collector app?
digital map for phase 1 habitat surveying. holds the functions of photographs for species and anthropogenic factors. linear objects and polygons can be used.
what is the analog alternative to the collector app?
habitat survey on a printed out map. using different colours and patterns to show different species. using universal codes. habitat book was used.
ArcGIS advantages
thorough understanding of spatial data, esy to use. personal, accurate, can be used for academic research or for fun.
ArcGIS disadvantages
the cost is high for subscriptions. anaog version may have greater reolaibility.
Garmen advantages
small and portable- therefore ideal. very precise.
Garmen disadvantages
doesnt have much fucntionality apart from location and altitude.
collector advantages
easy to use, reliable, accurate, detialed.
collector disadvantages
basic shapes aren’t very descirptive, GPS signal and wi-fi needed for it to work, which can fail in the field. subscription is expensive.
