SVI

Standardized Vegetation Index (SVI)

The Standardized Vegetation Index (SVI) provides information about the relative vegetation condition compared to the years being analyzed. As the state of vegetation is influenced by weather conditions the SVI can also be utilized as a drought-index and for regular drought monitoring to facilitate the early identification of the slow-onset natural hazard. The SVI is based on satellite Vegetation Indices (VI) such as the Normalized Difference Vegetation Index (NDVI) or Enhanced Vegetation Index (EVI) indicating the estimated vegetation condition.

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Curso de entrenamiento al EIGEO de República Dominicana en Julio 2016

Spanish

Expert mission in Salvador 2015

The mission allowed UN-SPIDER to re-visit El Salvador after the technical advisory mission (TAM) conducted in 2014 and to follow-up on on-going efforts. 

Fechas: 

jue, 09/07/2015 to Vie, 10/07/2015

Institución Anfitriona: 

Ministry of Foreign Affairs of El Salvador

País/región: 

Amenazas Principales: 

Mission Expert: 

Juan Carlos Villagran

Perfil de la Misión: 

The mission allowed UN-SPIDER to re-visit El Salvador after the technical advisory mission (TAM) conducted in 2014 and to follow-up on on-going efforts. The mission was used to provide more than 350 maps of the VCI and the SVI (drought indexes) to the Directorate of Civil Protection and to the Environmental Observatory of the Ministry of Environment and Natural Resources of El Salvador. Another aim was the participation in the meeting at the Ministry of Foreign Affairs for starting the consolidation of the inter-institutional technical team and to raise awareness regarding UN-SPIDER and the SEWS-D Project to relevant institutions in the country. 

Mission Outcome: 

The mission was used to distribute the updated VCI and SVI maps and to promote the establishment of the inter-institutional team and to provide continuity to the SEWS-D project. 

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