Wooden it! [Was: Nuclear Power in Aust]

""Paul_F._Dietz,dietz at interaccess.com" at invivo.edu" at invivo.edu ""Paul_F._Dietz,dietz at interaccess.com" at invivo.edu" at invivo.edu
Wed Mar 12 08:42:13 EST 1997


khorsell at ee.latrobe.edu.au (Kym Horsell) wrote:

>The stock of 14C is replenished in the upper atmosphere
>by a nuclear reaction involving cosmic rays and 14N  [Butcher,
>p 240-241].  Atmospheric 14C, measured on tree rings,
>dropped by 2 to 2.5 % from about 1850 to 1954, when nuclear bomb
>tests started to inject 14C into the atmosphere [Butcher, p 256-257,
>Schimel, p 82].


Right, and in *both* those cases, 14N is being bombarded
with *neutrons* (spallation neutrons from cosmic rays,
or fission & fusion neutrons from bombs.)

	Paul



--- Internet Message Header Follows ---
Path:
news.remcomp.fr!rain.fr!jussieu.fr!esiee.fr!news.sgi.com!news.maxwell.syr.edu!insync!uunet!in2.uu.net!198.80.1.4!interaccess!usenet
From: dietz at interaccess.com (Paul F. Dietz)
Newsgroups: aus.politics,sci.environment,bionet.agroforestry,aus.general
Subject: Re: Wooden it! [Was: Nuclear Power in Aust]
Date: Wed, 12 Mar 1997 13:42:13 GMT
Organization: none
Lines: 17
Message-ID: <5g6bh0$e1v at nntp.interaccess.com>
References: <8D243AF.027A0109FD.uuout at mcc.com.au>
<33237BB7.6542 at worldnet.att.net> <3325B273.41C6 at llnl.gov>
<5g4ule$2eu at nntp.interaccess.com> <5g5de6$or4 at laplace.ee.latrobe.edu.au>
NNTP-Posting-Host: d102.cloud.interaccess.com
X-Newsreader: Forte Free Agent 1.0.82
Xref: news.remcomp.fr aus.politics:1061 sci.environment:1249
bionet.agroforestry:730 aus.general:712



-- end **** Sent by inVivo. The BBS of Life Sciences, Paris, France, 
******** mailto://info@invivo.edu ****** http://www.invivo.net *****


--- Internet Message Header Follows ---
NNTP-Posting-Host: invivo.edu
Path: news.remcomp.fr!rain.fr!invivo.edu!news
From: "Paul_F._Dietz,dietz at interaccess.com"@invivo.edu
Reply-To: "Paul_F._Dietz,dietz at interaccess.com"@invivo.edu
Newsgroups: bionet.agroforestry
Distribution: world
Subject: Wooden it! [Was: Nuclear Power in Aust]
Date: Wed, 12 Mar 1997 13:42:13 GMT
Message-ID: <3083137022.2607325 at invivo.edu>
Organization: inVivo
X-Gateway: FirstClass Gateway for SMTP/NNTP (MacPPC) version 1.02
Lines: 41



-- end **** Sent by inVivo. The BBS of Life Sciences, Paris, France, 
******** mailto://info@invivo.edu ****** http://www.invivo.net *****




More information about the Ag-forst mailing list