Transcript Historical Trends in Agricultural Production in Napa County 1975

Historical Trends in Agricultural Production in Napa County
1975
Rainfall in Napa County (1908-2013)
1986: “flood of the century”
Rainfall in Napa County (1908-2013)
Flood of 1986
Flood of 1986
Organic = Sustainable?
Redwood Distributions
Sequoia sempervirens – Avg. 20 mile-wide strip,
450 miles long, rarely more
than 40 from the coast.
-- sea level to 3000 ft elev.
High rainfall : ~50 (-100!) inches in rainy season
in northern part of range.
~20” at southern limit
Summer fog:
Fog drip and direct absorbtion.