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Lake Powell Expected to Rise 50 Feet This Summer

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At Glen Canyon National Recreation Area, years of drought, possibly an indicator of climate change, have revealed Lake Powell's bathtub walls. Spring runoff, however, could soon make those bathtub walls vanish. Photo by Marco Ammannati via flickr.

Climate change is taking it on the chin in the Rockies this winter. So much snow has fallen in the Intermountain West that when it melts it's expected to raise the level of Lake Powell by some 50 feet, to the highest point it's been since 2002. As a result, if you haven't already explored the previously submerged back canyons of Glen Canyon National Recreation Area, your time is running out.

According to the U.S. Bureau of Reclamation, snowpack in the Upper Colorado River Basin is currently at 124 percent of average. As this snow melts, it will flow into the Colorado River and eventually into Lake Powell. What's interesting about this forecast is that NRA officials are not lamenting the soon-to-be-submerged landscape, but rather saying how the higher reservoir level will benefit boaters.

“With the runoff anticipated into Lake Powell this spring, it’s going to be a great summer at Glen Canyon National Recreation Area. We are expecting a busy season with the likely opening of the Castle Rock Cut,” said Superintendent Stan Austin.

The spring runoff is expected to reopen the Castle Rock Cut early this June. The Castle Rock Cut is a popular route on Lake Powell that allows boaters to conveniently travel between the Wahweap Marina and other destinations uplake. Traveling through the Castle Rock Cut saves about 12-miles to popular areas such as Rainbow Bridge, Padre Bay, and Warm Creek Bay. Due to long-term drought conditions, however, the Castle Rock Cut has not been usable since 2003.

With the promising spring runoff forecast, the National Park Service will not need to proceed with plans to deepen the Castle Rock Cut this spring. The Bureau of Reclamation’s projections for Lake Powell indicate that the Castle Rock Cut is expected to remain passable for boats into 2010. This will also save Glen Canyon NRA $1.5 million, which can be directed toward other park needs.

“Lake Powell should quickly start rising in April and May and it will be nearly impossible for us to deepen the cut this spring,” said Superintendent Austin.

The Park Service released an environmental assessment for public review in February 2008 that examined deepening the Castle Rock Cut so it would be passable for boats at lower water levels. The environmental assessment process will continue, even though the Castle Rock Cut will likely become passable to boats this summer.

Currently, public comments are being reviewed and analyzed. A formal decision about whether to proceed with the deepening project is expected to be made later this year, and the Cut could be deepened in the future if lake levels drop again.

Comments

The "sky is falling" amateur climatologists love to point out the increase in man-made carbon dioxide emissions due to the automobile and the mechanisms related to the Industrial Revolution. All well and good. But as Bob pointed out above, our Mother Earth and her environment is a slightly more complicated issue than we would care to imagine. And basing the doomsday forecast on 135 years worth of meteorological data is akin to standing on the South Rim of the Grand Canyon, peering in for a few minutes and believing you've "seen" all that comprises the Abyss. Funny how it goes that until recently our planet had the ability, much as does our human physiology, to effect repairs and maintain the status quo in spite of us. Unfortunately, we have begun to cut away at the very foundations of planetary climate maintenance and garbage control. The amount of carbon dioxide emissions is not the issue, per se, unless you couple that along with what we have done to reduce the effectiveness of Earth's ability to "recycle" those gases but our new-found love for slash and burn agricultural techniques. By reducing the rainforests at a greater rate than ever, and not having time to replenish those mature stands of trees that were once able to shoulder the increased burden of burning off the vegatation requried to maintain the delicate balance in nature, you in effect over-burden that remaining plant life, some of it lethally, and thereby the snowball races down the hill. You can take whatever steps you like to "green" yourself, but the real issue qutie literally is the lack of green that we have let proliferate on our planet.

Unfortunately and most conveniently, Big Al doesn't mention much about that, since it involves upsetting the "developing" world.


What gags me are hypocrites that cry about touching the environment for any reason. Do they use roads to go places? Do they live in a home with running water and electricity? Do they use refrigerators or washing machines? If the answer is yes to any of these questions, you better start changing you own life before imposing your views on everyone else.
Deepening of the cut will reduce fuel usage and pollution in the lake, yet, won’t harm the landscape or native habitat that currently exist. The cut was done once before, the new cut will only deepen the original cut.


The cut is for recreational boaters and the abiity to save time and more importantly, FUEL. I have read the comments from the various posters talking about climate change and can only smile and wonder to what extent everyone who posts about it really knows. Lake Powell was created for 2 purposes: 1) Provide back up water holding capacity for Lake Mead and 2) Provide employment and recreational oppurtunites to south central Utah and northern Arizona. Boaters spend loads more money then do hikers and backpackers, so unfortunately Lake Powell will rise and fall depending on the CO Basin snowpack or untill Lake Mead is low enought that it becomes the priority for refilling. Projections for Lake Mead this summer are that it will drop between 6 -19 feet more. Lake Powell was built before EIS's (Environmental Impact Study) were required for such projects and will continue to try and fulfill its primary purpose. What many don't realize is that Lake Powell is filling up, not with water, but with CO River sediment. This is going to happen regardless what happens with the SW and the amount of CO River runoff. The more snow, the more runoff, the more sediment, the faster it fills and the less it will hold. Less runoff only means it will take longer to fill with sediment.

As Lake Powell fills with sediment the dredging and trenching will need to be increased to keep Lake Powell as a viable reservoir for the CO River drainage system--but at what cost? How many millions of dollars will it take to keep the reservoir usable?

Climate change is happening regardless of who or what is causing it, it is happening. The mean ambient tempature for the world is rising and as the ice shelf's melt at the poles the proscess picks up speed. This has happened before according to the scientists who have been studying this issue. The difference is this time it will have far reaching effects on People and where the majority of the world population lives. Personally, I don't believe we can stop it or change the current course, maybe slow it down, but we have neither the will nor the money to stop it. Tokyo, LA, NYC, and the rest of the large cities that have develped along coasts are not underwater or are being theatened YET. New Orleans was underwater 2 years ago and we see the amount of $ill the Government is willing to deal with that mess. Add LA, NYC, Miami, SF, Seattle, SD, Houston, Boston, Baltimore, Washington DC, Coast of NJ, and numerous other high density areas and at some point there will be a huge mess to deal with--but till then lets leave will enough alone. Or as we have seen in New Orleans, people will just have to move. This will of course will be an economic Boom! More construction, new roads, new schools, Energy efficient buildings, new jobs, and all the wonderfully good things that go with mass relocation of families and business. For the life of me I can not think of any negatives.

Remember to plan ahead, after all it was not raining when Noah built the ark!


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