Rafael Hologa

Rafael Hologa
University of Freiburg | Albert-Ludwigs-Universität Freiburg · Department of Physical Geography

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20
Publications
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83
Citations

Publications

Publications (20)
Article
Full-text available
Tickborne-encephalitis (TBE) is a potentially life-threating neurological disease that is mainly transmitted by ticks. The goal of the present study is to analyze the potential uniform environmental patterns of the identified TBEV microfoci in Germany. The results are used to calculate probabilities for the present distribution of TBEV microfoci in...
Article
Cars overtaking cyclists have been identified as a source of crashes and subjective risk. Several studies investigated the passing distance for different road types. There has been less research concerning cyclists’ expectations concerning the passing distance at different road types. Thus, we aim at contrasting cyclists’ expectations about the pas...
Article
Full-text available
The given article focuses on the benefit of harvested Ambient Geographic Information (AGI) as complementary data sources for severe weather events and provides methodical approaches for the spatio-temporal analysis of such data. The perceptions and awareness of Twitter users posting about severe weather patterns were explored as there were aspects...
Article
Full-text available
Parking fees and fines represent contested issues in cities, as they conflict with vehicle owners' opinion over ‘rights’ to public space. As cities have moved to regulate vehicle density by introducing parking fees, a share of drivers may feel compelled to ‘cheat’, weighing the price of parking fees against the cost of fines, or to simply park ille...
Article
Full-text available
For monitoring protected forest landscapes over time it is essential to follow changes in tree species composition and forest dynamics. Data driven remote sensing methods provide valuable options if terrestrial approaches for forest inventories and monitoring activities cannot be applied efficiently due to restrictions or the size of the study area...
Article
Full-text available
Information on individual hazard perception while cycling and the associated feeling of safety are key aspects to foster sustainable urban cycling mobility. Although cyclist’s perceptions must also be critically reviewed, such crowdsourced Volunteered Geographic Information (VGI) provides wide-ranging insights on diverse hazard categories in cyclin...
Presentation
Full-text available
Das enorme Potential von Geodaten, die durch Laien erfasst werden, wird u.a. in vielen Citizen Science Projekten dokumentiert. Auch in dieser Arbeit wird durch das Crowdsourcing von Geoinformationen zu Gefahren im Radverkehr in Freiburg im Breisgau beleuchtet, ob solche geographischen Bürgerinformationen einen Mehrwert liefern und Geofachdaten sinn...
Article
Full-text available
Periurban areas of growing cities in developing countries have been conceptualised as highly dynamic landscapes characterised by a mixture of socioeconomic structures, land uses and functions. While the body of conceptual literature on periurban areas has significantly increased over the past two decades, methods for operationalising these multi-di...
Article
Full-text available
Starting in the 1980s, the data set presented here was initially collected by Prof. Dr. Heinz Grotzfeld and his working group at the Institute of Arabic and Islamic Studies of the University of Münster in the framework of the paleoclimate program of the German Federal Government. This program was sponsored by the former Federal Ministry for Researc...
Article
Full-text available
The tambora.org data series has been established to offer all contributors of the collaborative research environment (CRE) tambora.org a convenient opportunity to publish comprehensive data collections. To bridge digital and analog purposes the data collections are not only stored in the classical analog format but also digitally. This guarantees t...
Book
Full-text available
The data collection presented within the CRE tambora.org is based on the edition of the manuscript of Šihāb ad-Dīn Aḥmad Ibn Ṭawq (d. 1509) – herein referred to as Ibn Tawq – by Shaykh Dja`far al-Muhādjir which was published by the Institut Francais d`Études Arabes (L'IFEAD) in the years 2000 to 2007.
Book
Full-text available
Starting in the 1980s, the data set presented here was initially collected by Prof. Dr. Heinz Grotzfeld and his working group at the Institute of Arabic and Islamic Studies of the University of Münster in the framework of the paleoclimate program of the German Federal Government. This program was sponsored by the former Federal Ministry for Researc...

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