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Exposure

Soil and geographical term for the position of a vineyard slope with respect to the direction of the midday sun (direction of incidence of the sun's rays). It is given in degrees in relation to the northern direction (often only with for example "south exposed" or similar):

  • 0° = north slope - no sun, often also called "shady side
  • 90° = eastern slope - lots of morning sun
  • 180° = southern slope - often also called "sunny side
  • 270° = western slope - a lot of evening sun; in Central Europe exposed to great weather influence

Sonneneinstrahlung

In viticulture, the best exposure to slopes in dry, warm areas is considered to be from southeast to east. In climatic borderline locations with heat deficits but sufficient precipitation, south to southwest exposures are optimal. A hillside location with a corresponding angle of inclination is advantageous. A good exposure with sufficient sunlight duration is an eminently important factor for optimal photosynthesis. The solar radiation and the temperatures associated with it are important criteria for winegrowing suitability. See also under climate.

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