Digital Geography

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Survey: Stratigraphic Data Workflows

Dear Readers! At the moment I am working on my master thesis with the focus on stratigraphic data workflows. I have the impression that there is a lot of potential for improvement in the whole process. Therefore I want to rethink the process of stratigraphic data handling from data collection to analysis and visualization. To get an overview of existing approaches, solutions and problems,  I want to conduct this small survey. I would be glad if you participate and share. Direct link to the survey  

Overview: Newest developments from ESRI

Web App Builder ESRIAt this years 11th geoforum of central Germany ESRI showed some new developments in their ArcGIS online portfolio. Those were published 23rd of September. Let me please introduce you to some of these features. If you came across the website of ESRI you might have mentioned that current ArcGIS offline or desktop applications are beyond the functional possibilities of the new ArcGIS online framework. One of these was the new multi-directional shadow algorithm which came on stage on the ArcGIS online platform and is now a downloadable function. Of course they will be available with the upcoming ArcGIS pro but…

DEM comparison: SRTM 3 vs. ASTER GDEM v2

ASTER vs SRTMLet’s get ready to rumble! No, just kidding. We are all excited about the recent message from the white house: SRTM “1” (1 equals 1 arcsecond, whereas 3 was indicating the 3 arcsecond a.k.a. 90m DEM) or the official title SRTM-2 will be available for free in the next months (orig. here, dg here). So why is it so important? Most DEM-interested people will answer: “Use the ASTER DEM if you need 30m!”. But let us have a closer look on both systems and how they perform.

Announcement: Realease of worldwide high-resultion SRTM-data (30m)

SRTM Shuttle

The White House announced on September 23th during the United Nations Heads of State Climate Summit in New York that they are going to release the high-resolution images of SRTM globally. Until now, the high-resolution imagery were only available for US-areas. All other countries had lower resolution imagery. Due to this release the 30m x 30m imagery will be available globally and substitute the 90m x 90m data. After its release the data will be accessible on EarthExplorer by the US Geological Service (USGS). Unfortunately they didn’t announce an exact release date (only “will be released globally over the next year”). That… library

QGIS 2.6 Feature Freeze

Screenshot from 2014-09-20 12:13:31

Are you curious about QGIS 2.6? Well on Friday (9-26) QGIS development goes into feature freeze and focus will shift towards fixing bugs and enhancing stability. What can we expect from the upcoming release. Read on to find some interesting news.

Summary of the “Geodesign” MOOC PennState University


Antoher 5-week MOOC came to it’s end and therefore I like to write a short summary about it. I attended the MOOC “Geodesign: Change your World” created by PeenState University at the MOOC platform Before the course started I expected some new inputs about methodologies and practical working on geodesign questions but overall the course was more an introduction into the topic about Geodesign and the development of Geodesign work. It was more a theoretical lecture supported by case studies but with less practical work for the students. In my opinion the course is very interesting for (human) Geographers,…

Interactive Space Image Map of ISS-Pictures


The Sojus TMA-13M started on May 28th 2014 from Baikonur to bring the German Alex Gerst, the Russian Maxim Surajew and the American Reid Wiseman to the ISS (International Space Station). Besides the task of the crew to make some experiments etc. on ISS, they show the public how vulnerable and beautiful our blue planet is. There are different ways they try to do it: Regular public calls and interviews to the crew members bring the earth population in contact with the members. If you’re following one of those members on Twitter or Facebook I’m sure you’re impressed by the pictures…

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