World Frost-free Period (Polygon), 1996
- Author(s):
- Environmental Systems Research Institute (Redlands, Calif.)
- Description:
- Frost-free Period (Polygon) is a polygon theme representing areas of similar duration of frost free periods. Frost-free period is the period when minimum air temperatures near the ground are above zero degrees Celsius so frost does not occur. The duration of the annual frost-free period is one of the principal climatic characteristics that affects the development of biota, human life, and economic activity.
- Publisher:
- ESRI
- Collection:
- ArcAtlas
- Place(s):
- Earth
- Subject(s):
- climatologyMeteorologyAtmosphere
- Year:
- 1996
- Held by:
- Columbia