sud de france master- level webinar program
DESCRIPTION
Sud de France Master- Level Webinar Program. Supported and endorsed by:. Webinar 2:. Geology, Topography and Climate. Rocks, Sun, Winds and Waves. Learning Objectives. Define the location of the region studied and its borders Overview of the key facts and figures - PowerPoint PPT PresentationTRANSCRIPT
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Supported and endorsed by:
Sud de France Master-LevelWebinar Program
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Webinar 2:Geology, Topography and Climate
Rocks, Sun, Winds and Waves
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Learning ObjectivesDefine the location of the region studied and its bordersOverview of the key facts and figuresLearn about the climate and its effects on vines and winesUnderstand the lay of the landLearn the different soil types and their attributes
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location
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LocationFrom Nimes to Spanish Border
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Facts and Figures
Vineyard area: 567,000 acres/236,000 hectaresTotal production: 385,691,196 gallons /14.6 m hl (2011)Number of Vignerons: 19,800Yield (average): 2.52 tons/acre (42hl/ha)Average Vineyard Holding: 28.8 acres/12 haSplit: Red 75%, White 13%, Rosé 8%, Sparkling 2%, Fortified/Sweet 2%Domains: 2500Co-operatives: 300
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Climate
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Climate - GeneralMediterranean Climate – mild winters and autumns, hot summers
Pockets of continentality– inland areas– Diurnal variations
Numerous and frequent winds
Average annual climatic parameters:– Rainfall levels = 20-24 in. (500–600 mm) – Sunlight = 2,530 hours (~316 days/365)– Temperature = 59 °F (15°C)
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Climate - LanguedocSunshine: – Average : 2500 hours per year
Rainfall – Dry season = summer– rainy season = winter– Total around 24in (600mm)
Numerous and frequent winds
Variations:– Coastal areas eg Picpoul de Pinet– Inland areas : eg Pic St Loup, Terrasses du Larzac– West eg Limoux, Cabardes
Aspres vineyards in the summer
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Climate - RoussillonSunshine: – Average : 2900 hours per year
Rainfall – Very dry– drought – a regular challenge– Total around 18in (450mm)
Wind and Mountains
Variations – Always windy– Pyrenees dominate climate– Aspect and Altitude
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Winds - LanguedocTramontane: – N-NW wind. Cold and Dry. Strong, frequent
Cers:– variation on Tramontane– Cold winter, warm in summer– Strong and beneficial
Marin:– SE wind off the Mediterranean– Warm and humid. Enemy of the vigneron ?
Autan:– Extension of Marin– Opposite of Tramontane. SE, powerful– Wind of the devil
Clouds shaped by the Tramontane
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Winds - RoussillonTramontane and Marin Canigounenc– Westerly wind from Canigou– Cold and dry
Winds off the sea– Levant : a « morning » Marin. Warm– Grec or Gregal. NE, gentle, warm..brings rain
Sirocco:– Southerly wind from Sahara– Very rare– Sand
A scirocco from Libya blowing dust over the
Mediterranean
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TopographyThe Lay of The Land…
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3 topographical areas of the Languedoc
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Coastal plainsFlat and fertile..Very Mediterranean
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Hillsides and MountainsVariations in soils, aspect and altitude
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Atlantic corridorA zone apartVaried soilsCrossroads of climatesAltitude« Bordeaux » and Med
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Roussillon - TopographyBreathtakingSurrounded by mountainsPyreneesCapture waterAltitude and windSki and swim
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GarrigueThe perfume of the Languedoc-Roussillon
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Major Soil types
ClayLimestoneSchist
Limestone Soils
Schist terraces in the Roussillon
Schist
Clay Soils
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Major Soil types
Grès in Saint-Chinian
GranitGrèsGneiss
Granit in Lesquerde
Gneiss in Lesquerde
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Major Soil Types GaletsRed SoilsBasalt
Gravel
Terres rouges
Basalt
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Geological Map