The system for automated geoscientific analysis, or saga, was developed at. Saga gis tutorials satellite image and terrain analysis. Or do you know any good advanced manual for geoprocessing with sagagis. Saga gis wiki satellite image and terrain analysis. The basic terrain analysis tool is very powerful, automatically produces 16 terrain and hydrological metric outputs. Download links for data used in each section are also provided. Saga gis methods and command sequences ftp directory listing. Pdf this is a set of exercises for familiarizing geospatial analyses with saga gis opensource software find, read and cite all the research you need on researchgate.
Convergence index is useful for analysis of lineaments especially represented by ridges or channel. The initial dtm analysis was carried out using saga gis software olaya and conrad, 2008. Terrain metrics and landscape characterization from bathymetric data. Download west timor elevation data to use with this section 3mb zip. Satellite image analysis and terrain modelling a practical manual for natural resource management, disaster risk and development planning using free geospatial data and software. Morphometric indices were determined in the sagagis conrad et al. For someone who has already mastered the basic concept of gis analysis, saga is not just a powerful tool, but also a very enjoyable piece of software. Skip to screen video a new window will then ask you to input the grid system and the elevation grid to use. To analyze the topography of a region with respect to its slope, aspect and curvature etc.
Purpose rasterbased calculation of morphometric terrain attributes based on the 3x3 neighborhood. Where the conditions of these layers are met, they are equal to 1. This site is designed as a series of practical stepbystep screen shot and video tutorials with practical examples showing some key processing features. Saga gis wiki terrain analysis morphometry module library. Tool saga wetness index sagagis tool library documentation. This section works through the basics of downloading, preprocessing srtm digital elevation data. Besides the saga gis tutorials web page see below, rohan fisher and collegues recently published a manual on satellite image analysis and terrain modelling, which also includes a quick introduction to saga gui. Sagagis focused on remote sensing and terrain analysis applications. Chapter 12 geomorphometry in saga request pdf researchgate.
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