Seasonal intelligence for rangeland managers

  • 51 pages

  • Published: 1 Dec 1998

  • Author(s): Cridland, S.

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Using data from the NOAA weather satellites, an index of vegetation ‘greenness’ can be calculated at two weekly intervals. These data can be summarised at scales ranging from several square kilometres to continental. By comparing current data with an historical archive it is possible to put the current seasonal conditions within context. A range of information products were developed that summarise such things as; time since last reasonable season, comparisons of the same area over multiple years, comparisons of different areas at the same time and drought assessments. The information products were combined with other spatial data such as pastoral lease boundaries and were presented as images for spatial display, as area statements in tabulated form or as graphical time traces.