Experten-Evaluation von Web-GIS-Lösungen und Internetkartendiensten zur Kommunikation von Hochwasserinformationen

Abstract

Abstract. Behörden gehen im Zeitalter der neuen Medien zunehmend dazu über, Hochwasserinformationen über das Internet zu vermitteln. Dieser Beitrag umfasst einen typisierenden Überblick über aktuell im Internet zur Hochwasserinformation verfügbare Kartendienste und Web-GIS sowie eine Experten- Evaluation ausgewählter Angebote. Die analysierten Angebote unterscheiden sich stark in Funktionalität und Inhalt. Es handelt sich sowohl um für Nutzer aus der Bevölkerung zu komplexe GIS-Lösungen, als auch um einfache Kartendienste, die jedoch für Fachanwender ungenügende Funktionalität aufweisen. Eigene Interaktionsmöglichkeiten bieten sich für die Nutzer derzeit kaum. Als Empfehlungen werden Ausweitung der Interaktivität, zielgruppenspezifische Ausrichtung der Angebote sowie Erweiterungen um Echtzeitinformationen formuliert.

Evaluation of flood hazard maps in print and web mapping services as information tools in flood risk communication

“…Moreover, different Web-GIS or web mapping services dealing with flood topics can be found in these countries. The Internet information services were already analysed with an expert evaluation (Hagemeier-Klose and Wagner, 2008).…”

The contribution of maps to the challenges of risk communication to the public

“…Besides traditional paper maps, digital maps, map-based information systems, simulations, and web-technology are increasingly applied in risk communication (Maclachlan et al 2007, Hagemeier-Klose and Wagner 2008, Haubrock et al 2008. Although criticism arises concerning availability and accessibility of information provided via the Internet, recent research work points out that the Web may democratize the access to risk information especially if open-access and open-source technology is used (Curtis and Mills 2008).…”

Difficulties in explaining complex issues with maps: evaluating seismic hazard communication – the Swiss case

“…In consequence, recent publications indicate that they often fail to transmit their content (Meyer et al, 2012). Non-experts in the field, in particular, often struggle to interpret the maps correctly (Hagemeier-Klose and Wagner, 2009;Kjellgren, 2013;Perry et al, 2016;Severtson and Vatovec, 2012). This is fundamental, because as stated above, improving resilience requires not only knowledgeable experts but also politicians, authorities, and informed members of society to support precautionary actions.…”

“…Previous studies evaluating maps for risk management purposes mainly focused on directly involved stakeholders and authorities (Dransch et al, 2010). The few studies that analyzed the public's needs regarding hazard maps did so either by questioning experts or by mostly relying on a small sample (Hagemeier-Klose and Wagner, 2009;Kjellgren, 2013;Meyer et al, 2012;Thompson et al, 2015). The understanding of seismic hazard by non-experts in the field and the public has thus been neglected.…”

“…The challenge lies not only in making accurate information available but also in presenting it in understandable ways . Publishing hazard maps online is seen as an important option for providing hazard information to the public (Hagemeier-Klose and Wagner, 2009;Kostelnick et al, 2013).…”