The Case for the GIS Analyst
The GIS Analyst sits somewhere between the professional with problems that need to be mapped and GIS Professionals. A GIS Analyst needs to know enough about the problem being...
Category
GIS
QGIS vs ARC GIS
When choosing a GIS both Arc and QGIS are similarly functional. For most people, the choice between the two will boil down to personal preference and price.
How to Overlay Maps
In the video I tell the beginning of the story of how to overlay maps. I’ll demonstrate one of the earliest examples of the strategic use of map overlay in planning. If...
GIS Data Sources – Map Archives and Old Reports
Its not always possible to get all the data you want for your project off-the-shelf. Archives and Old Reports are one of a number of incredibly important GIS data sources. In...
Lets Define GIS – Two GIS Applications Examples
Lets define GIS There are many ways to define GIS …and by GIS I mean a Geographical Information System. GIS combines spatial data (maps), temporal data (when things on a map...
What is a GIS map?
Map 1: What is a GIS map? A GIS map contains points, lines and polygons What is a GIS map? Its a digital map that has two important features… Coordinate system: A GIS map is a...
What determines the scale of a map in GIS?
What determines the scale of a map in a Geographical Information System? There is a fantastic post about cartographic scale on the National Geographic site. The article makes...
GIS Analyst – What Does One Do?
What is a GIS Analyst? In other posts I’ve talked about the many aspects of GIS, particularly the technology, issues with data, and the way GIS technology is used. In this...
Using Remote Sensing for Arctic and Antarctic Sea Ice Change Detection
Using 25km daily remote sensing grid cell data from a satellite mounted microwave sensor, National Snow and Ice Data Centre (NSIDC) scientists have shown that the minimum...