[ RadSafe ] Another definition for the Sv?

John Jacobus crispy_bird at yahoo.com
Mon Dec 5 10:42:26 CST 2005

>From another list server:

Date:    Fri, 2 Dec 2005 10:59:50 -0500
Subject: Replication of unit abbreviation

While reading a new article in Nature about
measurements showing that the velocity of the Gulf
Stream has slowed by 30% since 1992, I came across a
unit used by oceanographers called the Sverdrup
(abbreviated Sv and not to be confused with our
beloved Sievert.)  This unit measures the volumetric
flow of water and is equal to 1 million cubic meters
per second.  Measurements in the North Atlantic at
25deg north latitude had been running about 25 Sv but
new data has put that value around 14 Sv leading to
speculation that the Gulf Stream heat conveyor belt
may be weakening.

Our Sv (Sievert) is a registered SI unit, but what
about the

"Efforts and courage are not enough without purpose and direction."
"John F. Kennedy, U.S. President and former Naval Officer 

-- John
John Jacobus, MS
Certified Health Physicist
e-mail:  crispy_bird at yahoo.com

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