There are many ways. Geographers can conduct interviews, direct observation, statistics, maps, and use some advanced software.
Hygrometer
they collect changes in elevation tilting of land surface and ground movements
investigate behavior experimenting
investigate behavior experimenting
Early geographers used direct observation and modern geographers collect data using indirect observation
Geographers use history just like historians do, though they use it spatially while historians use it temporal. It helps them get a spatial perspective on what they are studying :)
Help geographers determine whether their ideas are valid.
Statistical data help geographers identify patterns and trends.
We collect data to see what needs improvement.
You can collect data and store it in a spreadsheet.
We collect data to see what needs improvement.
When they are on holiday they do not collect data When they are writing up their results they do not collect data.
Geographers rely on satellites to gather data because it is the easiest method. In the past, they would have had to traverse the earth to map all of it.
collect and analize the data means to do a summary about what you learn
Scientists perform experiments to collect data.
There is only one way not to collect data. The only way that is not a good way to collect data is theory development.