Earth Observation

Methodology and Progress Reports Data source
O. Rojas, A. Vrieling b, F. Rembold: Assessing drought probability for agricultural areas in Africa with coarse resolution remote sensing imagery
M.Meroni, D.Fasbender, etc: Early detection of biomass production deficit hot-spots in semi-arid environment using FAPAR time series and a probabilistic approach
R.V. Hoolst, H. Eerens, etc: FAO’s AVHRR-based Agricultural Stress Index System (ASIS) for global drought monitoring
Boundary maps : GAUL 2014 (DISCLAIMERS). More information on GAUL:
Crop mask
Crop mask : Global Land Cover - SHARE (GLC-SHARE)
User manual and training materials Selection of ASIS-based research papers
Video: Agricultural Stress Index System - ASIS
GIEWS Earth Observation website: A brief user guide
Country-Level ASIS: an agriculture drought monitoring system
O. Rojas, Shukri Ahmed: Feasibility of using the FAO-Agricultural Stress Index System (ASIS) as a Remote Sensing based Index for Crop Insurance.
O. Rojas, Y. Li, R.Cumani: Understanding the drought impact of El Niño on the global agricultural areas: An assessment using FAO’s Agricultural Stress Index (ASI)
M. Cumani, O. Rojas: Characterization of the Agricultural Drought Prone Areas on a Global Scale, using the FAO Agricultural Stress Index System (ASIS) to enhance the understanding of, and boost resilience to, water stress conditions in drought-prone areas

Related links
FAO's work on Geospatial
E-learning course: Hyper-temporal remote sensing to support agricultural monitoring
FAO Irrigation and drainage paper 56: Crop evapotranspiration - Guidelines for computing crop water requirements