GLASOD

AcronymDefinition
GLASODGlobal Assessment of Soil Degradation (global study published in 1990 by UNEP and ISRIC in cooperation with Winand Staring Centre, ISSS, FAO and ITC)
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Global assessment of soil degradation (GLASOD) (1990) 'Global assessment of soil degradation.
Como su autor lo senal6, sus resultados no fueron comparables a los de GLASOD, principalmente por derivar de metodos de evaluacion distintos (Dregne, 1998).
El esquema ASSOD (de assessment of soil degradation in South and Southeast Asia) es practicamente el mismo que GLASOD, con algunas modificaciones para hacerlo mas preciso.
Como se ha mencionado anteriormente, existe una version llamada GLAD1S (de global land degradation information system), que es una base de datos en linea, con mapas digitales que combinan datos de GLASOD y GLADA para presentar el estado de los recursos de la tierra al nivel de pais.
Al nivel global, GLASOD evaluo la degradacion de suelos de manera cualitativa.
Algunos otros metodos fueron enfocados a evaluar la degradacion del suelo (GLASOD, ASSOD), pero pueden expandirse a aproximaciones mas integrales.
The GLASOD study estimated that nearly 2 billion hectares (i.e.
(10) The GLASOD estimates are also subjective because these are based on experts' estimation of land degradation since the Second World War.
According to the field studies, soil samples and GLASOD Model user guide for soil degradation mapping were prepared degradation maps of soil in the working units.
For prepared the degradation maps of soil in GLASOD method, these factors are important; type, causes, degree, rate, extent and degradation history.
Fig 2 shows the results of degradation map and soil degradation ID by GLASOD model in the photomorphic units.
Shahram Omidvari, Davood Nikkami, Mohammad Hassan Masihabady, Rahman Barzegar, Omid Alizadeh, Kourosh Ordookhani; Investigation of Soil Degradation Using Glasod Model by Photomorphic Working Units