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A subset of the elements of the MCYFS is managed through the Crop Growth Monitoring System (CGMS). This section describes how the meteorological information is processed within CGMS.
In the current CGMS version 2.3 (at the date of writing) the weather monitoring component (level 1) consists of the three following parts (see Fig. 1.1):
- Acquisition, checks and processing of daily meteorological station data (see § 2).
- Spatial interpolation onto a regular climatic grid (see § 3).
- Production of weather indicators (see § 4).
Fig. 1.1: Overview of the weather monitoring components of the CGMS.
In 2005, a more advanced version of CGMS (v 8.0) will substitute the current one. The data are stored in an ORACLE database (version 9i). Appendix 3 presents the CGMS tables. The input and output tables of each procedure are described in Annex 4. Several macro procedures in the GIS ArcInfo (version 3.2) are used to create a wide variety of maps.
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