Saturday, December 30, 2006

 

More river flow data websites

California River Flows - Whitewater Voyages.
Rafting company republishes river data from Army Corps and CDEC on many popular whitewater rivers. Kern River (Army Corps), Lower Kern, Upper Kern, Kaweah, Kings (Army Corps), South Fork American, Middle Fork American, North Fork American, Tuolumne, Cherry Creek, Merced, North Yuba.

Owens River - Los Angeles Aqueduct Realtime Data.
This site may become useful for kayaking and canoeing now that flows in the Owens River are being restored. Owens River making comeback - MercuryNews.com 21dec2006.

More about: Current River Flows.

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Friday, December 29, 2006

 

River flow websites from National Weather Service

The NWS River Forecast websites divide the lower 48 states into 12 regions. Each regional center reports river guidance forecasts at a variety of stations. Green = normal, Orange = above monitor, Red = above flood, Purple = above danger stage. Pointing at a station on the map displays the current flow and the forcasted flow for the next 5 days.

The California Nevada River Forecast Center has 88 flood forecast reporting stations and 72 other points reporting. Some of these gauge stations are on or near the whitewater river sections, while many others are downstream in the flatwater sections. I think that this site will be very useful as a trip planning resource for kayaking, rafting, and canoeing.

More about: Current River Flows.

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Thursday, December 28, 2006

 

Hydroelectric is not a clean, green power source

After years of assuming that hydroelectricity provided clean, green power I was surprised to learn that reservoirs are a source of global warming pollution. Patrick McCully recently wrote a San Francisco Chronicle article and a Sacramento Bee article describing how vegetation that washes into a reservoir produces methane and other greenhouse gases when it decays. Additional information is available at International Rivers Network. This provides another reason to oppose construction of dams & reservoirs and support conservation of our rivers and streams. Unfortunately, it also complicates the questions about how to preserve the environment while getting the energy we need for our modern society.

More about: River Conservation and Flood Control.

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