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IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Giancarlo Pini Institute of BioMeteorology (IBIMET) - National Research Council (CNR)

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Presentation on theme: "IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Giancarlo Pini Institute of BioMeteorology (IBIMET) - National Research Council (CNR)"— Presentation transcript:

1 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Giancarlo Pini Institute of BioMeteorology (IBIMET) - National Research Council (CNR) JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

2 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR The “Eritrea EWS for Food Security and Environmental Monitoring based on Africover database” is a pilot project, funded by FAO, to test Early Warning System development under limited data availability. In Eritrea data on population, food crops, livestock, and meteorology are very limited in terms of time series and geographical distribution the pilot project has been developed in a particularly difficult environment PROJECT BACKGROUND Actions Data retrieval Database building Conceptual system design Vulnerability assessment (structural analysis) Food crisis prevention (current analysis) JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03 as consequence

3 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Databases - upgraded version of Crop Production System Zone (FAO) database using Africover and new administrative division - long series Meteosat dekadal rainfall data and profiles related to CPSZ and selected areas (agriculture and pastoral) - NDVI dekadal data (1981-2000 series) and profiles related to CPSZ and selected areas (agriculture and pastoral) Analysis - Land characterisation based on land cover database (Africover) - NDVI dekadal inter-annual variability and land characterisation - Selection of monitoring area for agriculture and pasture (using Africover) and application of dekadal monitoring (rainfall and NDVI) for the season 2002 PRESENT PROJECT PRODUCTS JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

4 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Definition of zones interested by rainfed cereal cultivation based on CPSZ CPSZ (1994) Zone of interest using the FAO Africover database: zone with cereal area >3000 ha Zone of interest using the FAO Africover database: zone with cereal area >5000 ha SOME PRODUCTS obtained by LAND COVER DATA JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

5 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Land characterization based on the Africover database : distribution of agriculture and natural vegetation based on CPSZ SOME PRODUCTS obtained by LAND COVER DATA JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

6 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Test of Africover and GLC2000 LAND COVER DATA APPLICATIONS for 1 - simulation of coping capacity by cereal production 2 - identification of monitoring areas with the characteristics to be totally occupied by agriculture (100%) JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

7 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Eritrea GLC2000 v.1 January 2003 Eritrea Africover Eritrea GLC2000 v.3 March 2003 Agriculture areas in pink ZOOMING ON MAIN AGRICULTURE AREAS JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

8 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR 1 - simulation of coping capacity by cereal production JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

9 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

10 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR 2 - identification of monitoring areas (100% agriculture) Monitoring areas (100% agriculture) identified by using Africover In GLC2000, croplands are always mixed with different land cover typologies. At the moment, area identification is not possible Example of monitoring activity result JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

11 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR - first test: the main limit is the estimation of cropland area extension - second test: the main limit is the identification of area totally occupied by agriculture. The limits come directly from the interpretation of the legend The agriculture areas are not clearly defined, on the contrary the croplands are mixed with different land cover typologies and in different percentages. As consequence, for the moment, it is difficult to use the GLC2000 into EW and food security analysis. RESULTS and LIMITS IN APPLYING GLC2000 JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

12 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR GLC2000 in EW and FOOD SECURITY ANALYSIS GLC2000 merits : global coverage possibility to be regularly updated free access to information (internet) GLC2000 limitations: classification mainly oriented to natural vegetation agriculture classes not clearly defined and identified prevalence of remote sensing analysis approach, poor attention to territorial reality (field validation, utilisation of local knowledge,…..) JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03

13 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR Land Cover is a fundamental information for EW and food security analysis it has to be accurate, clear, reliable and usable for the different international and national users the final validation has to consider the users needs by means of effective and operating networks of LC information meets with users needs and can be used for different applications (EW, FS,…..) but so how result CONCLUSIONS JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03 remote sensing experts land cover experts users community local expertise and

14 IMPROVEMENT OF EWS BY LAND COVER DATA – Giancarlo Pini – IBIMET-CNR JRC - GLC 2000 "Final Results" Workshop - Ispra 24-26/03/03


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