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New NRC Hazard Analysis Earthquake Study Released

Tue, 2012-01-31 23:32 — Kathy Gilbeaux

submitted by Kay Goss

                 

US NRC study released today on "New Seismic Model Will Refine Hazard Analysis at U.S. Nuclear Plants" and performs studies at many central and eastern U.S. susceptible locations. The Central and Eastern United States Seismic Source Characterization for Nuclear Facilities (CEUS SSC) Project was conducted from April 2008 to December 2011 to develop a new, regional seismic source model for use in conducting and reviewing probabilistic seismic hazard analyses (PSHAs) for nuclear facilities in the CEUS. PSHA is a method for assessing site-specific seismic hazard that includes getting the best estimate of ground motions and a transparent quantitative accounting of uncertainty. The results of PSHA are used in seismic design and in calculating seismic risk. 

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Reframing Resilience

Sat, 2012-01-28 13:48 — mdmcdonald

 


First, there is great value in a systems approach as a heuristic for understanding interlocked social-ecological-technological processes, and in analysis across multiple scales. Yet we need to move beyond both systems as portrayed in resilience thinking, and the focus on actors in work on vulnerability, to analyse networks and relationships, as well as to attend to the diverse framings, narratives, imaginations and discourses that different actors bring to bear.

 

For More:

http://resilienturbanism.tumblr.com/post/7573475902/reframing-resilience

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Resilience Alliance

Sat, 2012-01-28 13:29 — mdmcdonald

There are many definitions of resilience from simple deterministic views of resilience anchored in Newtonian mechanics to far more dynamic views of resilience from a systems perspective, including insights from quantum mechanics and the sciences of complexity.  One baseline perspective of resilience sees it in terms of the viability of socio-ecological systems as the foundation for sustainability.  For those that are ready to look beyond resilience as the ability to return to the "normal state" before a disaster, take a look at:

http://www.resalliance.org/

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Research - Radioactive Contamination

Tue, 2011-11-22 23:40 — Kathy Gilbeaux
- Show quoted text -
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Traces of Radiation Found in 2 Whales Off Japan

Fri, 2011-07-15 16:08 — Kathy Gilbeaux

submitted by Luis Kun

by Mari Yamaguchi, Associated Press - June 15, 2011

In this Monday, June 13, 2011 photo released by Tokyo Electric Power Co., a machine collects radioactive substances in the air for sampling at the Unit 3 of the crippled Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima prefecture, northeastern Japan. (AP Photo/Tokyo Electric Power Co.) EDITORIAL USE ONLY

TOKYO (AP) — Japanese whalers caught two animals along the northern coast that had traces of radiation, presumably from leaks at a damaged nuclear power plant, officials said Wednesday.

Two of 17 minke whales caught off the Pacific coast of Hokkaido showed traces of radioactive cesium, both about one-twentieth of the legal limit, fisheries officials said.

They are the first whales thought to have been affected by radiation leaked from the Fukushima Dai-ichi nuclear plant since it was hit by a March 11 earthquake and tsunami.

"The levels are far below the limit, and the meat from the catch is safe for consumption," Fisheries Agency official Kosei Takekoshi said.

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