A new UN-SPIDER user story highlights the critical role of space-based technologies in preventing dam failures and enhancing ...

CENACARTA (National Cartography and Remote Sensing Centre) is an independent centre under the Ministry of Agriculture. The main tasks of CENACARTA are to provide baseline GIS data, facilitate purchase ...

Office for Outer Space Affairs UN-SPIDER Knowledge PortalHome Links and Resources Online Training Courses Online Training Courses ...

Digital Number (DN)Digital Number (DN) is the generic term used for pixel values. These values correlate with the energy that is observed and measured at the sensor. Although the DNs are related to ...

The UN-SPIDER Recommended Practice on flood hazard mapping shows how GIS and modelling are used to calculate simulated inundation areas based on land use, soil, elevation, and meteorological data.

Space-based Information: The Sentinel Hub Playground provides a web GIS to explore satellite imagery from platorms Sentinel-2, Landsat-8 and MODIS. Sentinel and Landsat data can be displayed in a ...

Satellite-derived data relevant for disaster risk reduction and emergency response is available from many sources and providers. The UN-SPIDER database on satellite data and products offers links to ...

The UN-SPIDER Recommended Practice on radar-based flood mapping explains the use of Synthetic Aperture Radar (SAR) satellite imagery for flood mapping. The practice shows the use of the European Space ...

The National Emergency Management Agency of Nigeria was established via Act 12 as amended by Act 50 of 1999, to manage disasters in Nigeria. Therefore, from inception, NEMA has been tackling disaster ...

The Department of Surveys, commonly known as Survey of Kenya (SOK), is the official agency of the government of Kenya on all matters affecting land surveys and mapping. It has been in existence since ...

Who are the users of space technology in disaster risk management and disaster response? What is the context of their daily work? What are their needs and challenges? The Risks and Disasters section ...

The National Service of Meteorology and Hydrology of Peru - SENAMHI, is a public executing agency attached to the Ministry of the Environment. The purpose of SENAMHI is to generate and provide ...