Assessing an open spatial data infrastructure from a user participation perspective: A qualitative exploratory research of OpenStreetMap

Geographic Information (GI) has proven its value with its ability to be used in various fields, which left numerous questions about how this data should be stored, used, and managed. To facilitate the sharing and reuse of spatial data, Spatial Data Infrastructures (SDIs) emerged in the last decades and with the increase in Open Data, the belief...

Assessing an open spatial data infrastructure from a user participation perspective: A qualitative exploratory research with OpenStreetMap

As we advance technologically, spatial data gains importance with its ability to be used in various fields. Traditionally, most spatial data are collected by government organisations. To facilitate sharing and reuse of spatial data, Spatial Data Infrastructures (SDIs) have been developed in the last decades. More recently with the growing...

Comparison of Remotely Sensed and Volunteered Geographic Information for water reservoirs

The surface water extent around the world is constantly changing due to natural factors (e.g. geology and over-abstraction of water), climate change (e.g. higher water evaporation due to warmer climate) or human activities (e.g. reservoir construction). Water reservoirs are important for the management of the ecosystem, as both humans and the...

Community Mapping Supports Comprehensive Urban Flood Modeling for Flood Risk Management in a Data-Scarce Environment

In this paper we demonstrate a framework for urban flood modeling with community mapped data, particularly suited for flood risk management in data-scarce environments. The framework comprises three principal stages: data acquisition with survey design and quality assurance, model development and model implementation for flood prediction. We...

Community mapping for flood modelling: A case study of the Ramani Huria community mapping project in Dar es Salaam

The current intensification of the hydrologic cycle, in combination with expanding settlements in flood prone areas, makes an increasing share of the global population exposed to flood risks. Many parts of the world are, however, still lacking the data needed for flood risk management and risk reduction. The recent development of information and...

Utilizing volunteered geographical information for the benefit of city planners and urban science: Case of Rotterdam

One of the main challenges of the recently popular data science field is establishing a common ground of understanding between technical methods and domain knowledge. Making smart and effective use of data is just as important for public organizations as it is for private organizations as our cities and their problems get more complex with...

Characterizing data ecosystems to support official statistics with open mapping data for reporting on sustainable development goals

Reporting on the Sustainable Development Goals (SDGs) is complex given the wide variety of governmental and NGO actors involved in development projects as well as the increased number of targets and indicators. However, data on the wide variety of indicators must be collected regularly, in a robust manner, comparable across but also within...

The Role of Volunteered Geographic Information towards 3D Property Cadastral Systems (2): A Purpose Driven Web Application

VGI has not proved to be readily suitable to replace well-established accurate methods and technologies such as those of full standard cadastral surveys. Even so, VGI potentialities as relevant source of geospatial data have been widely acknowledged. As such, some authors have defended that VGI may in fact play an important role such as at a...

The Role of Volunteered Geographic Information towards 3D Property Cadastral Systems

General mapping, and particularly cadastral mapping, is a highly expensive activity and many governments are no longer willing to continue covering the even increasing costs of surveys. As far as Portugal is concerned – our ultimate field of interest – ongoing 2D property cadastre surveys have revealed to be rather complex, laborious and...