California has one of the most extreme rainfall pattern in North America within the smallest megatransect, from one inch annually in the deserts, to over 100 inches in the northwest redwood forests.
Compiled by Craig Dremann, (650) 325-7333, for scientific study of what a large-scale ecological and vegetation photo megatransect could possibly look like, photos copyright by the photographers that are listed on the pages at confluence.com. Photos on this web page are used here with written permission from the Confluence Project.
The best index link into the Confluence project is https://www.confluence.org/showworld.php
>>>See the Europe to Africa Vegetation Megatransect HERE
>>>Canada to Mexico Vegetation Megatransect HERE
>>>Canada to Baja Vegetation Megatransect HERE
>>>China West to East Vegetation Megatransect HERE
>>>Pakistan through India Vegetation Megatransect HERE
>>>North Africa to India Vegetation Megatransect HERE
>>>Australia Vegetation Megatransect HERE
>>>United States West to East Vegetation Megatransect HERE
>>>New Mexico, whole state Vegetation Megatransect HERE
Blue dots trace the route of this megatransect.
33N 115W
Near town of Winterhaven, 1-3 inches of annual rainfall.
34N 116W
Joshua trees (a species of yucca, or giant desert lilies to 30
feet tall)
near town of Desert Center. Joshua trees shown are about 4-6 feet
tall.
35N 118W
Near town of Mojave, 4-6 inches of annual rainfall, creosote bushes
with bare spaces in between where the perennial native grasses
were 99.99% grazed out between 1840 and 1940, over a 25 million
acre of arid southern California. See https://www.ecoseeds.com/mojave.html
and https://www.ecoseeds.com/desertgrass.html
36N 119W
Near town of Porterville, San Joaquin valley, at the foothills
of the Sierras.
37N 120W
Near town of Madera, San Joaquin valley.
38N 121W
Near town of Linden, San Joaquin valley.
39N 122W
Near town of Arbuckle, Sacramento valley. Ancient volcano, Sutter
Buttes.
20 inches of annual rainfall.
40N 123W
Trinity alps, 6,000 feet elevation. Rainfall now 40 inches or
more.
41N 124W
Humboldt county redwood forest, 100+ inches annual rainfall.
42N 123W
Siskiyou forest, 4,000 feet elevation.
Updated December 20, 2022 - Go to The Reveg Edge website