Somehow on the tree message boards I am debating California water usage by type, agriculture, residential, other. Seems like the USGS thinks about 60 % was agriculture. The Washington Post 80 % plus. Some people on the forum 90 %. Anyone have a good source for how it is broken down?
Where does ethanol fit in?
ROTFL!!!
Funny how UC Berkley stated 924 gallons of water may be required to produce a single liter of ethanol....much higher than rest of country....and was major contributor to water draw down
Off Topic:
I presume you're referring to this finding reported in "
The Water Footprint of California’s Energy System, 1990−2012":
The amount of water required to support California’s total energy system has changed significantly over the time period examined (Figure 3a). In 1990, the state’s total EWF was about 2.1 cubic kilometers (km3 ), whereas in 2012, it was 7.7 km3 , representing more than a 3-fold increase. Much of the increase is attributable to water consumed for ethanol production....Indeed, California’s EWF is highly sensitive to the role of ethanol (given our methods and assumptions).
Assuming that is indeed the study/finding to which you referred, it'd seem you already knew the role water plays in the production of ethanol in California.
- If one isn't aware of ethanol's impact on water consumption in CA, your question is odd in the context of the OP's stated topic. I think folks in the general population would not intuitively think, absent specific awareness of how ethanol is produced (or produced in CA), that ethanol would have much to do with it.
- If one is aware that CA's ethanol production activities to the degree of specificity of knowing "924 gallons of water may be required to produce a single liter of ethanol, [thus making it] a major contributor to [CA's] water draw down [sic]," why would that same person ask, "Where does ethanol fit in?" Does it not stand to reason that person already knows "where ethanol fits in," at least to some extent?
Somehow on the tree message boards I am debating California water usage by type, agriculture, residential, other. Seems like the USGS thinks about 60 % was agriculture. The Washington Post 80 % plus. Some people on the forum 90 %. Anyone have a good source for how it is broken down?
OP, you may find what you seek in the study I noted/linked above. That document references quite a number of other studies, some of which may also contain the info you seek. Another document that may be of help to you is this, "
California's Water Footprint."