This volume presents the selected papers from the International virtual conference on Developments and Applications of Geomatics. It covers a wide range of topics of GIS applications such as agricultural studies, climate change monitoring and impacts, floods monitoring, natural disasters, environmental impact assessment, ecosystem management and sustainable development, industrial pollution, structural health monitoring, unmanned aerial vehicles, transportation planning, geological mapping, 3D modelling and web GIS applications. This book will be useful for researchers and professionals from various fields whose work includes geographic information system.