Earth Observation

Methodology and Progress Reports Data source
R.V. Hoolst, H. Eerens, etc, 2016: FAO’s AVHRR-based Agricultural Stress Index System (ASIS) for global drought monitoring
FAO GIEWS, 2018: Major improvements and extensions of ASIS 2
O. Rojas, A. Vrieling b, F. Rembold, 2011: Assessing drought probability for agricultural areas in Africa with coarse resolution remote sensing imagery
M.Meroni, D.Fasbender, etc, 2014: Early detection of biomass production deficit hot-spots in semi-arid environment using FAPAR time series and a probabilistic approach
Boundary maps : GAUL 2014 (DISCLAIMERS). More information on GAUL:
Crop mask
Crop mask : Global Land Cover - SHARE (GLC-SHARE)
User manual and training materials
Video: Agricultural Stress Index System - ASIS
GIEWS Earth Observation website: A brief user guide
Video: El Niño Phenomenon and its effects on agriculture
Country-Level ASIS: an agriculture drought monitoring system

Related links
Handbook on climate information for farming communities – What farmers need and what is available
FAO's work on Geospatial
E-learning course: Hyper-temporal remote sensing to support agricultural monitoring
Crop Water Information
FAO Irrigation and drainage paper 56: Crop evapotranspiration - Guidelines for computing crop water requirements