DEM-from-countour-lines

Building a DTM in ArcMap and parameters used Let’s discuss building a DEM from digitized elevation contours of the topographic map using ArcGIS.   Our task We obtained digitized elevation contours of topographic plans of 1: 1000 scale covering Kharkiv Lesopark (“forest park”) and some surrounding areas. We were eager to create a digital elevation […]

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surface-runoff-DEM

Let’s continue our talk about terrain and importance of its DTM analysis. Last time we considered two elementary characteristics of terrain: slope and exposure (posts Concerning terrain, Applied DEM usage for farmers). Today we’ll talk about more complicated DEM analysis and practical application of its results. However, first of all we need to dive into […]

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DEM-TNTmips

We are sure that our regular readers won’t be surprised by the abbreviations above. For those who have tuned in recently, we recommend checking out posts about digital elevation models and open GIS, TNTmips in particular. At some point, MicroImages Company had helped numerous postgraduate students of the 90’s a lot by sending for all […]

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DEM-farmers

How can a DEM be used practically? How to turn DEM into a map of slopes or aspects, and how can these maps be further used – all this is covered in detail in our post. We have already started talking about terrain. Now let’s talk about more specific things, and particularly – about using DEMs […]

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Terrain

I’d like to talk to you about one interesting thing. Everyone “works” with it daily without realising it. We will talk about the land relief or terrain. According to official definition terrain is a “the vertical and horizontal dimension of land surface”. So, it is only a shape. But this is the case when it’s […]

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