Luisa Griesbaum

Universität Heidelberg · Institute of Geography

Data quality and fitness for purpose can be assessed by data quality measures. Existing ontologies of data quality dimensions reflect, among others, which aspects of data quality are assessed and the mechanisms that lead to poor data quality. An understanding of which source of information is used to judge about data quality and fitness for purpose...

Over the last couple of years, the growing OpenStreetMap (OSM) database repeatedly proved its potential for various use cases, including disaster management. Disaster mapping activations show increasing numbers of contributions, but oftentimes raise questions related to the quality of the provided Volunteered Geographic Information. In order to bet...

In recent years, the number of people affected by flooding caused by extreme weather events has increased considerably. In order to provide support in disaster recovery or to develop mitigation plans, accurate flood information is necessary. Particularly pluvial urban floods, characterized by high temporal and spatial variations, are not well docum...

Zusammenfassung Mit den steigenden Online-Partizipationsmöglichkeiten, die sich im Zuge des Web 2.0 seit geraumer Zeit ergeben, werden immer mehr Daten im Allgemeinen und Geodaten im Speziellen produziert. Durch Entwicklungen in GPS- und Satellitenbildtechnologie, können auch Laien ihre Umgebung und ferne Orte auf einfache Weise digital erfassen. D...

Cushion peatlands are typical features of the high altitude Andes in South America. Due to the adaptation to difficult environmental conditions, they are very fragile ecosystems and therefore vulnerable to environmental and climate changes. Peatland erosion has severe effects on their ecological functions, such as water storage capacity. Thus, eros...