Last updated April 10, 2022

Status: #📥/🟩 #archivedCards/geog150 Tags: GEOG 150 Inputs Links: ' Classes

+ GEOG 150 Week 3

Notes

• Spatial thinking

Exploring GIS: What is a geographic information system?

1:17

• Geography is the art and science of ;; studying, explaining, and predicting spatial distributions of human activity and physical events on/near the earth’s surface

Where does geog study? ?

• Features of earth
• Distribution
• Differences in places

Why

• How does this occur?

• Linked to human ecology?

• How to make strong decisions?

• Balancing protection, preservation, and development of earth?

2:33

• GIS is comprised of;; computer hardware, software, geo data, employees, and procedures

3:18

• Data is called features, can be separated by themes (network of streets), time (timelapse of forest growth)

Exploring GIS: What is a geographic information system? - YouTube

4:07

• Geospatial reference system identifies locations on earth’s surface
• 3 categories ?
  • Census geography (postal codes)
    • Organize data

    • Geocoding (postal address)

    • Latitude, longitude
      • Location is based on shape of earth

• 3 perspectives/views of geospatial reference system, how are they stored? ?
  • Database view
  • Mapping view
  • Model view (mathematical)
• Each part of the world is stored in a layer

The Frightening Future of Digital Maps

2:04

• 60% of georeferenced content is in US, 9% in Germ1any

• The places in which data is collected can be biased

4:39

• Women are more vulnerable from sharing their geographical location on social media, so such data collection is heavily dominated by males (96%)

5:16

• Google uses our social relationships and our geographical location

Thoughts/Questions