<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Robock, Alan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The &quot;Little Ice Age&quot;: northern hemisphere average observations and model calculations</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate model</style></keyword><keyword><style  face="normal" font="default" size="100%">little ice age</style></keyword><keyword><style  face="normal" font="default" size="100%">northern hemisphere</style></keyword><keyword><style  face="normal" font="default" size="100%">numerical energy balance climate model</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1979</style></year></dates><publisher><style face="normal" font="default" size="100%">Science</style></publisher><volume><style face="normal" font="default" size="100%">206</style></volume><pages><style face="normal" font="default" size="100%">1402-1404</style></pages><isbn><style face="normal" font="default" size="100%">0036-8075</style></isbn><language><style face="normal" font="default" size="100%">en</style></language><abstract><style face="normal" font="default" size="100%">Numerical energy balance climate model calculations of the average surface temperature of the Northern Hemisphere for the past 400 years are compared with a new reconstruction of the past climate. Forcing with volcanic dust produces the best simulation, whereas expressing the solar constant as a function of the envelope of the sunspot number gives very poor results.</style></abstract><issue><style face="normal" font="default" size="100%">4425</style></issue><custom1><style face="normal" font="default" size="100%">history</style></custom1><custom3><style face="normal" font="default" size="100%">http://www.worldcat.org/oclc/4633298025</style></custom3><custom4><style face="normal" font="default" size="100%">Humanities Bibliography</style></custom4></record></records></xml>