The Step by Step procedure for Burn Severity was developed using R-Studio and QGIS. These two methods were developed to give the user flexibility to choose which of the open source tools is more ...

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 surface ...

The UN-SPIDER Regional Support Office (RSO) in Iran is hosted by the Iranian Space Agency (ISA). The RSO was established in 2009 under a cooperation agreement between ISA and the United Nations Office ...

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 ...

A Regional Support Office (RSO) is a regional or national centre of expertise that is set up within an existing entity by a Member State or group of Member States that have put forward an offer to set ...

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.

As a means of emergency response after a flooding event or inland inundation, flood mapping helps to estimate the extent of the flood on a large scale. It is a basis of coordinating appropriate ...

The step-by-step procedures below are for ENVI version 4.8. (Click here to access step-by-step instructions for Envi 5. Click here to access step-by-step instructions for the free software R Studio.) ...

What are vegetation indices used for? Vegetation indices derived from Earth observation satellites are important for a wide range of applications such as vegetation monitoring, drought studies, ...

The aim of this step-by-step procedure is the generation of a flood extent map for the assessment of affected areas. The flood extent is created using a change detection approach on Sentinel-1 (SAR) ...

UNDP operates projects under the umbrella of five priority areas namely: Poverty Reduction, Democratic Governance, Peace Building and Conflict Resolution, Energy and Environment and Disaster Risk ...

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 ...