Roland Yonaba

6 Questions 39 Answers 0 Followers

Questions related from Roland Yonaba

How can I add dynamic variable such as population (census) in land use change modelling (Idrisi TerrSet - Land Change Modeler) ?

Hi all, For those of you which had a previous experience with Idridsi TerrSet (from ClarkLabs), I am considering working with LCM (Land Change Modeler) to model land use change over a rural...

31 October 2018 4,483 19 View

Activating Land Use Update in SWAT/SWAT-CUP ?

As part of my research, I am modelling runoff discharge on a rural watershed. I would like to activate Land Use Update with SWAT. I am using ArcGIS 10.3.1 with ArcSWAT, along with SWATCUP 5.1.6...

04 October 2018 8,608 5 View

How to assess significant land cover changes using Chi-square test ?

I have a series of land use maps at different times as a result of a classification process on Landsat images. I am mapping 3 different thematic classes : bare soils, vegetation and croplands. I...

28 April 2018 2,447 5 View

Is Landsat 30m resolution satellite images accurate enough to map Land cover on a 40 km² watershed ?

I am trying to remote sensing land cover features (bare soil, water, vegetation, cultivated areas) on a 40 km² watershed, located in the Sahel (semi-arid west africa). I am heavily interested in...

21 February 2018 1,027 15 View

Supervised classification using endmember spectra (ENVI 5.1) ?

We are trying to map land cover classes on a watershed. We have selected training sites (during a field campaign in early 2017) and extracted their spectral profiles based on a Landsat 8 image...

20 January 2018 773 4 View

Any reference, mathematical foundation on why a threshold of 0.15 for Cramer's V measure of association is considered as useful ?

In statistics, Cramér's V is a measure of association between two nominal variables, giving a value between 0 and 1 (inclusive). It was first proposed by Harald Cramér (1946). It is actually...

01 January 1970 2,615 5 View