Study Cards on cape, south, benguela
As a doctor it inhibits diseases and and brings some occasional rain the the South Coast.
However it can damage leaves > affects photosyntheses -ripeness-affect flowering process > reducing yields.
- The main cooling influence is the cold north-flowing Benguela current from the South Pole, and it mingles with the warmer Agulhas current from the Indian Ocean lowering water temperatures between Cape Town and Cape Agulhas.
- The large difference in temperature between the ocean and the land causes regular beneficial coastal fog and cooling breezes.
- Rain falls mainly between May and August. In the north of the Western Cape it is reduced due to the decrease in the impact of the Benguela current and mountain protection along the coast line.
- Irrigation or old vines therefore essential in the drier areas.
In the north of the Western Cape however it reduces due to the decrease of the impact of the Benguela current and the protection of the mountains that follow the coastline.
> drip irrigation - dry farming (e.g. Swartland)
- South easterly wind during spring and summer, good against diseases and brings occasional rain.
- It extends the impact of the Benguela current.
- Can damage leaves -> photosynthesis and ripeness impact, flowering and berry set, reducing yields.
- Warm Mediterranean climate (latitude 33-35 as California)
- but > various growing regions influenced by
- Western Cape's many mountain ranges, slopes, aspects
- cooling influence by proximity to the ocean
- Pinot noir in coolest sites, Syrah/Tinta Barocca in hotter sites
- main cooling influence:
- north-flowing Benguela current from the South Pole mingling with the warmer Mozambique current from the Indian Ocean > lowering water temperatures between Cape Town and Cape Agulhas
- > large difference land-ocean temperatures
- > beneficial coastal fog and cooling breezes
- Spring frost (particularly in Breedekloof)
- Lack of winter frees (no rest for the vines in winter)
- Drought, lack of water --> move to dry farming (Swartland) irrigation and old vines
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