All Dried Up?
Thanks to Tom at Fluid Flow for referencing this story on his blog…
The disappearance of the manmade lake would create a tidal wave of ill effects for the southwestern U.S. The lake provides water for large cities like Los Angeles and Las Vegas, as well as for several agricultural interests. The power also keeps on the lights in that region of the country. Imagine Los Angeles on a summer day with sporadic air conditioning and only a trickle of water coming out of the faucet. Then imagine that goes for a week.
“We were stunned at the magnitude of the problem and how fast it was coming at us,” Barnett said in a statement. “Make no mistake, this water problem is not a scientific abstraction, but rather one that will impact each and every one of us that live in the Southwest.”
“Today, we are at or beyond the sustainable limit of the Colorado system,” he added.
… and …
Currently, the Colorado River system, which includes Lake Mead and nearby Lake Powell, is running a deficit of 1 million acre feet of water per year. An acre foot of water is the amount of water that it would take to cover an acre of land with a foot of water. It is enough water for 8 million people.
State says many drivers change oil too often
An article in SF Gate (“State says many drivers change oil too often”) reports what many of us have thought for quite awhile: there is no real advantage in changing our engine oil more often than recommended by the manufacturer (note: not the dealer) and there are considerable environmental costs in doing so.
An excerpt:
Like many drivers hoping to coax a long, productive life out of a car, Durand Gist, a mailman from Castro Valley, faithfully changes the oil on his vehicle every 3,000 miles.
“That’s what they recommend – 3,000 miles, right?” asked Gist, saying he got that advice “probably from the oil-changing place. It’s good for their business, right?”
But a new state campaign is urging Gist and fellow California drivers to ignore both conventional wisdom and probably also that clear plastic sticker in the corner of their windshields. The message: Put off that oil change for a couple of thousand miles or more.
“Used oil is so much of a problem in California that if you can change your oil in less-frequent intervals, you not only save yourself money, you help save the environment,” said Jamie Cameron-Harley, a spokeswoman for the California Integrated Waste Management Board, sponsor of “The 3,000-Mile Myth” campaign.
While you certainly should follow the manufacturer’s schedule for changing the oil in your engine, you should think twice about increasing the frequency of your oil changes beyond these recommendations if you think you are going to improve the performance or life of your engine. You almost certainly won’t see any benefit at all, and you will contribute to excess oil consumption and recycling problems.
Bay Area Waterfalls
An SFGate Tom Stienstra article describes a number of SF Bay Area waterfalls worth a visit.
OK, this is really outside
I like to think of myself as an outside kinda’ guy. But my brother has outdone me. This morning he shared a photo of a moose that wandered into his back yard. Hey, I saw an opossum in my yard once, so there! :-)
Rocky Creek Bridge, Surf and Fog

Rocky Creek Bridge, Surf and Fog. Big Sur Coastline, California. February 9, 2008. © Copyright G Dan Mitchell.
A photo. I went to Point Lobos this morning, but arrived before the gates opened. Rather than sit in my car for a half hour I drove south on Highway 1. This was my reward. :-)
Are Americans Afraid of the Outdoors?
An article in Scientific American poses the question.
Americans have been visiting national parks and other natural reserves less and less since 1987, new research confirms. Outdoor pursuits, ranging from camping to hunting, have entered a persistent and growing decline.
“Folks are going out into nature much less and decreasingly every year,” says conservation ecologist Patricia Zaradic of the Environmental Leadership Program and co-author of the report published in Proceedings of the National Academy of Sciences USA. “It would take 80 million more visits this year to get the per capita number back up to the level it was in 1987.”
There is a suggestion that the fact that Americans increasingly live their lives online (he types into his computer… ;-) may be a factor.
Post-Groundhog Day Hike Delayed
I guess it will still be a post-Groundhog Day hike if we do it in a few weeks, right? Despite the fact that Groundhog Day means nothing in any concrete sort of way – or perhaps because of this – a group of us were going to do a hike at Coe Park. But it has rained for the past month or so. It rained all last week. It rained yesterday. It was raining this morning.
Wishing to avoid hiking in ankle-deep mud we have postponed the hike.
Death Valley Photos by "w9jim"
I’m enjoying a series of Death Valley photographs posted on Flicker by w9jim, who apparently visited recently.
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California's Seasonal Transformation
In a decent rain year – unlike last year! – the seasons overlap in California. On a day like today it is a little bit of winter, spring, summer, and fall all rolled together.
I did a short midday hike at Calero Park this afternoon, climbing up onto a ridge that I frequently visit. For the first time in nearly two years, I had to avoid the muddy spots on the trail and step across small, seasonal trickles. New grasses and other plants are coming up, turning the hills green, and some trees are starting to bud. The temperature was around 70 degrees.
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February 10, 2008 Posted by gdanmitchell | Commentary | 2 Comments