Canadian Drought Monitor

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This application depicts areas within Canada affected by drought. The Canadian Drought Monitor (CDM) is a composite product developed from a wide assortment of information such as the Normalized Difference Vegetation Index (NDVI), streamflow values, Palmer Drought Index, and drought indicators used by the agriculture, forest and water management sectors. Drought prone regions are analyzed based on precipitation, temperature, drought model index maps, and climate data and are interpreted by federal, provincial and academic scientists.

The drought areas are classified as follows:

  • D0 (Abnormally Dry) – represents an event that occurs once every 3-5 years;
  • D1 (Moderate Drought) – represents an event that occurs every 5-10 years;
  • D2 (Severe Drought) – represents an event that occurs every 10-20 years;
  • D3 (Extreme Drought) – represents an event that occurs every 20-25 years; and
  • D4 (Exceptional Drought) – represents an event that occurs every 50 years.

In addition, this application shows the changing nature of drought regions from 2002 to the present.

Developed by
Agriculture and Agri-Food Canada
Subject
Device Formats
Web
Date Published
April 27, 2015
Keywords
  • Soil, Climate, Agriculture, Drought, Earth Science, Land Management, Weather, Soil, Vegetation

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