UMGC ENMT307 Week 3 Discussion Latest 2021 July
ENMT307 Introduction to Geographic Information Systems (GIS)
Week 3 Discussion
GIS Data Formats and Data Quality
PARTICIPATION QUESTIONS (choose one):
1) Give an everyday example of something that is either high precision but low accuracy, or high accuracy but low precision. Give a second everyday example of something that is non-observable data or secondary data – explain!
2) Satellite images are raster data. There are many types of multispectral satellite images acquired from satellite remote sensing. Include (attach or paste) a picture of a satellite image. Explain which satellite/sensor this image came from, characteristics of the sensor, the location of the picture, the resolution of the image, the image date and time of day, and any other relevant characteristics. (http://earthobservatory.nasa.gov/ might be a good place to start, or http://www.satimagingcorp.com/ , or try a Google search like “Landsat”…) ***Do not just post a picture, I want the image details too!***
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