Companion blog for the course “Disaster Mapping 2.0″ teached by Prof. Dr. Joao Porto de Albuquerque and Svend-Jonas Schellhorn at the GIScience group of Heidelberg University.
Posted in Uncategorized on Nov 24th, 2014
By Yan Zhou
Start of thinking…
To understand the social dimension of VGI as “big data”, it’s necessary to consider the main objects of data: data producer, data self and data analyst. So that we can translate the corresponding social dimension of each object to more comprehensible respects: How the process of producing “big data” influences [...]
Posted in Uncategorized on Nov 19th, 2014
By Katja Bode and Felicia Linke
Introduction
VGI is increasingly used to support disaster risk management. This data can help to “update the situational awareness and to improve the operational response” (Terpstra et al. 2012).
However, it is often difficult to access the vast amount of data in an appropriate way. Visualization plays a key role to make [...]
Posted in Uncategorized on Nov 17th, 2014
by F.Ruehl
The aftermaths of the 2010 Haiti earthquake have shown that the public can be engaged in response to an acute crisis and moreover is able to organize and engage itself. The involvement of citizens in reaction to (crisis-) situations is not new and has been practiced in citizen sciences for some decades. However, [...]
Posted in Uncategorized on Nov 11th, 2014
By Felix Bühler and Jan Sichau
Introduction
Nowadays social media plays an important role in disaster risk management. Information from platforms like Twitter can be searched, extracted, and used for gathering a huge amount of information in a very short time and furthermore these information are linked to a specific position, from where the information was published.
Therefore [...]
Posted in Uncategorized on Nov 11th, 2014
By Julia Balzer
After the earthquake of Haiti in 2010, a Crisis Map of Haiti was launched within just a few hours. By adapting the application of Ushahidi, a website with a crowdsourced map which was set up after the Kenyan election in 2008, the Crisis Mappers could transfer information of satellite imagery and social media [...]
Posted in Uncategorized on Nov 10th, 2014
By Sophie Crommelinck
In case of a natural disaster authoritative data often does not provide enough information necessary for coping with the situation: For humanitarian aid, affected areas need to be rapidly identified, so help can be offered where it is most needed. Therefore aid authorities prioritize areas in a so-called damage assessment ranging from [...]
Posted in Uncategorized on Nov 4th, 2014
By David Max and Nicolás Gómez Armisén
Abstract
This text describes the idea, methods and use of social media during and after the event of a disaster. After defining what social media is and pointing out its advantages in disaster management we focus on its use during and right after a disaster. Our aim is to inform [...]
Posted in Uncategorized on Nov 3rd, 2014
By Johanna van Megern
The vast development of modern technology holds many positive developments in the field of VGI and DRM. Web 2.0 is an evolution of interactivity between users and web pages that is changing our lives in a way no one imagined only a decade ago. One of the areas influenced by Web 2.0 [...]