Category Archives: gis

Sentinel 2 for the environment – listening, structuring and remembering

Posted on 05/03/2013 by ragnvald

The ESA Sentinel 2 satellites will provide the global community of environmental scientists and managers with fantastic terrestrial multi-spectral high-resolution optical data. ESA will give the general public and partners with access to these data sets. The respective users/countries will then have … Continue reading →

Posted in gis, mapping, metadata, sdi, techadvisory, Uncategorized | Tagged , , , , , , , | Leave a comment

Solving the ESRI arcpy dissolve challenge

Posted on 05/02/2013 by ragnvald

In a recent project at work I did an analysis on the spread of an alien species in Norway using ESRI ArcGIS 10.1 SP1. In this particular analysis we assumed that the species could swim a certain number of meters … Continue reading →

Posted in arcgis, coding, esri, gis, python | Tagged , , , , | 18 Comments

Drones in conservation – some thoughts

Posted on 27/12/2012 by ragnvald

The term drone is usually associated with unmanned planes used for military surveillance and aggressive activities. The latter is something we as conservationists, scientists, environmental managers and others would rather not be associated with. Surveillance is a term slightly associated with our own trade. We call … Continue reading →

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Geoserver as a tool for providing networked geospatial environmental data

Posted on 22/06/2012 by ragnvald

As a geographer I once in a while end up being extremely positively surprised by innovations, both commercial and from open source communities. Google Earth, which most of us know, has opened the world of GIS in a completely new … Continue reading →

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Development cooperation GIS

Posted on 13/05/2012 by ragnvald

For almost ten years now I have been working in the areas environment and development cooperation with geographical Information Systems (GIS) as my foremost tool. My recent postings and tweets about the theme begs for a proper term and a … Continue reading →

Posted in devcogis, gis | Tagged , , , , , | 2 Comments

Elevation models, climate change and fresh water ecology…

Posted on 22/04/2012 by ragnvald

A Digital Elevation Models (DEM) is a data set containing information about a terrains surface. In its most basic form it is a collection of geographical positions with associated elevation information. With this information it is possible to make visualizations … Continue reading →

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Open source software and development cooperation

Posted on 17/04/2012 by ragnvald

Open Source software as part of development cooperation is not a matter of principle. Choosing software in development cooperation projects is about finding good software tools to help you do the job. The chances of doing a project on a … Continue reading →

Posted in devcogis, gis, open source, sdi | Tagged , , , | 4 Comments