Hydrological monitoring is essential to guide evidence-based decision making necessary for
sustainable water resource management and governance. Limited hydrometric datasets and …

User-generated content (UGC) platforms on the Internet have experienced a steep increase
in data contributions in recent years. The ubiquitous usage of location-enabled devices …

Social media data is increasingly used as a proxy for human activity in different
environments, including protected areas, where collecting visitor information is often …

The analysis of data from social media and social networking sites may be instrumental in
achieving a better understanding of human-environment interactions and in shaping future …

The emergence of big data brings new opportunities for us to understand our socioeconomic
environments. We use the term social sensing for such individual-level big geospatial data …

Population numbers at local levels are fundamental data for many applications, including
the delivery and planning of services, election preparation, and response to disasters. In …

High-resolution urban land use maps have important applications in urban planning and
management, but the availability of these maps is low in countries such as China. To …

Citizens are increasingly becoming an important source of geographic information,
sometimes entering domains that had until recently been the exclusive realm of authoritative …

In this study, with Singapore as an example, we demonstrate how we can use mobile phone
call detail record (CDR) data, which contains millions of anonymous users, to extract …

Through detailed explorations of 'augmented realities', this chapter provides a broad
overview of not only the ways that those augmented realities matter but also the complex …