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&lt;blockquote&gt;&lt;i&gt;Quanto maior for o número de pessoas que participam numa comunidade electrónica, maior será a utilidade para qualquer pessoa que nela participa.&lt;/i&gt; Bill Gates, 1995&lt;/blockquote&gt;&lt;br /&gt; Este fórum destina-se a promover a interacção entre os utilizadores registados do Geopor, através da divulgação de ideias, propostas, notícias, questões, enfim, tudo o que possa estar relacionado com as Ciências da Terra. O fórum rege-se pelas regras do bom-senso, da educação e da liberdade de expressão.&lt;br /&gt;&lt;br /&gt;Poderá existir transferência de informação entre este fórum e a mailing-list GEOPOR-l@GEOPOR.PT (por via dos administradores ou por solicitação do autor da mensagem).&lt;br /&gt;&lt;br /&gt;Divulgue o GEOPOR entre os seus amigos, colegas e alunos.</description>
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    <item>
      <title>The truth about sea levels? They’re always fluctuating</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=139</link>
      <pubDate>Tue, 06 Dec 2011 23:55:21 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;p&gt;
  &quot;It has now become traditional for climate&lt;br /&gt;
  change summits to open with a new, dazzling&lt;br /&gt;
  prediction of impending catastrophe.&lt;br /&gt;
  The UN Climate Conference under way&lt;br /&gt;
  in the South African coastal town of Durban&lt;br /&gt;
  is no exception. This year’s focus is on&lt;br /&gt;
  a familiar and certainly arresting argument:&lt;br /&gt;
  that sea levels are rising at a catastrophic&lt;br /&gt;
  and unprecedented rate mainly due to manmade&lt;br /&gt;
  global warming...&quot;
&lt;/p&gt;&lt;/p&gt;</description>
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    </item>
    <item>
      <title>Mandelbrot e os fractais</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=136</link>

<enclosure url='http://www.ted.com/talks/lang/eng/benoit_mandelbrot_fractals_the_art_of_roughness.html' type='text/html' />
      <pubDate>Wed, 19 Jan 2011 16:42:24 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;br /&gt;
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&lt;p&gt;
  &lt;a href=
  &quot;http://www.ted.com/talks/lang/eng/benoit_mandelbrot_fractals_the_art_of_roughness.html&quot;&gt;
  http://www.ted.com/talks/lang/eng/benoit_mandelbrot_fractals_the_art_of_roughness.html&lt;/a&gt;&lt;br /&gt;
  &lt;/p&gt;&lt;/p&gt;</description>
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    <item>
      <title>Apresentação pública da Carta Geológica 1: 50 000 (Folha 32 C, Avis) na Feira Franca de Avis</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=132</link>
      <pubDate>Wed, 15 Sep 2010 18:48:50 CEST</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;p style=&quot;text-align: justify&quot;&gt;
  No próximo sábado, dia 18 de Setembro, pelas 18h30, o espaço das
  Freguesia do Concelho de Avis acolhe a apresentação pública da
  Carta Geológica de Potugal na escala 1: 50 000, Folha 32 C -
  Avis, elaborada pelo Laboratório Nacional de Energia e Geologia
  (LNEG).
&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;
  Durante a feira (17 a 19 de Setembro), estará patente ao público
  (16.30-24 h), no stand do LNEG, a exposição “A Geologia de Avis
  para um Desenvolvimento Sustentado” que dá a conhecer os domínios
  e competências do LNEG, com destaque para a actividade da Unidade
  de Geologia e Cartografia Geológica (UGCG).
&lt;/p&gt;&lt;/p&gt;</description>
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    </item>
    <item>
      <title>The Cloud Mystery</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=128</link>
      <pubDate>Wed, 28 Apr 2010 08:12:42 CEST</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;A recente teoria sobre a influência dos raios cósmicos no clima
terrestre explicada em 6 vídeos...&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-weight:bold;&quot;&gt;1/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
2/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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3/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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4/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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5/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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6/6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;/object&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-weight:bold; font-style: italic;&quot;&gt;&lt;br /&gt;
Para saber mais ...&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
N. Shaviv (2003), New Astronomy, 8: &lt;a href=
&quot;http://www.sciencedirect.com/science?_ob=ArticleURL&amp;amp;_udi=B6TJK-471854M-3&amp;amp;_user=10&amp;amp;_coverDate=01%2F31%2F2003&amp;amp;_rdoc=1&amp;amp;_fmt=high&amp;amp;_orig=search&amp;amp;_sort=d&amp;amp;_docanchor=&amp;amp;view=c&amp;amp;_acct=C000050221&amp;amp;_version=1&amp;amp;_urlVersion=0&amp;amp;_userid=10&amp;amp;md5=d93bd38611d39bfb0c5195474c4e9392&quot;&gt;
39-77&lt;/a&gt;.&lt;br /&gt;
&lt;br /&gt;
&lt;a href=&quot;http://www.sciencebits.com/ice-ages&quot;&gt;The Milky Way
Galaxy's Spiral Arms and Ice-Age Epochs and the Cosmic Ray&lt;/a&gt;
.&lt;br /&gt;
&lt;br /&gt;&lt;/p&gt;</description>
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    </item>
    <item>
      <title>A catástrofe na Madeira</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=127</link>
      <pubDate>Wed, 24 Feb 2010 16:15:36 CET</pubDate>
      <description>por Pedro Nogueira. &amp;nbsp;&lt;p&gt;&lt;p&gt;
  Caríssimos,&lt;br /&gt;
  &lt;br /&gt;
  Quando a ciência antecipa e prevê os acontecimentos.&lt;br /&gt;
  Vejam estas ligações em vídeos (um já com 2 anos) onde se explica
  o que inevitavelmente iria acontecer.&lt;br /&gt;
  O Prof. Domingos Rodrigues da Universidade da Madeira foi
  recentemente orador convidado na nossa Universidade para falar
  sobre escorregamentos.&lt;br /&gt;
  Cumprimentos,&lt;br /&gt;
  &lt;br /&gt;
  &lt;a href=&quot;http://www.youtube.com/watch?v=aTf0h3nobAs&quot; target=
  &quot;_blank&quot;&gt;http://www.youtube.com/watch?v=aTf0h3nobAs&lt;/a&gt;&lt;br /&gt;
&lt;/p&gt;
&lt;p&gt;
  &lt;br /&gt;
&lt;/p&gt;&lt;object width=&quot;425&quot; height=&quot;344&quot;&gt;
  &lt;param name=&quot;movie&quot; value=
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  &lt;param name=&quot;allowFullScreen&quot; value=&quot;true&quot; /&gt;
  &lt;param name=&quot;allowscriptaccess&quot; value=&quot;always&quot; /&gt;
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  type=&quot;application/x-shockwave-flash&quot; allowscriptaccess=&quot;always&quot;
  allowfullscreen=&quot;true&quot; /&gt;
&lt;/object&gt;
&lt;p&gt;
  &lt;br /&gt;
  &lt;a href=
  &quot;http://www.youtube.com/watch?v=2EXk-mQQEtY&amp;amp;feature=PlayList&amp;amp;p=046CBAF9547D754A&amp;amp;index=0&amp;amp;playnext=1&quot;
  target=
  &quot;_blank&quot;&gt;http://www.youtube.com/watch?v=2EXk-mQQEtY&amp;amp;feature=PlayList&amp;amp;p=046CBAF9547D754A&amp;amp;index=0&amp;amp;playnext=1&lt;/a&gt;&lt;br /&gt;

  &lt;br /&gt;
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    type=&quot;application/x-shockwave-flash&quot; allowscriptaccess=&quot;always&quot;
    allowfullscreen=&quot;true&quot; /&gt;
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    &lt;param value=&quot;true&quot; name=&quot;allowFullScreen&quot; /&gt;
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    &lt;embed width=&quot;425&quot; height=&quot;344&quot; allowfullscreen=&quot;true&quot;
    allowscriptaccess=&quot;always&quot; type=&quot;application/x-shockwave-flash&quot;
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  &lt;/object&gt;&lt;br /&gt;
  &lt;br /&gt;
  --&lt;br /&gt;
  Pedro Nogueira&lt;br /&gt;
  Home: &lt;a href=&quot;http://evunix.uevora.pt/~pmn&quot; target=
  &quot;_blank&quot;&gt;http://evunix.uevora.pt/~pmn&lt;/a&gt;&lt;br /&gt;
  Ph: +351 266 745301&lt;br /&gt;
  Economic Geology (PhD)&lt;br /&gt;
  Departamento de Geociências da&lt;br /&gt;
  Universidade de Évora
&lt;/p&gt;&lt;/p&gt;</description>
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    <item>
      <title>O poder destruidor das águas</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=126</link>
      <pubDate>Mon, 08 Feb 2010 13:59:36 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;div style=&quot;text-align:left;&quot;&gt;
  Colapso de via de comunicação...&lt;span style=
  &quot;trebuchet ms,verdana,arial,helvetica,sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;br /&gt;

  &lt;span style=
  &quot;trebuchet ms,verdana,arial,helvetica,sans-serif;&quot;&gt;Explicação:&lt;/span&gt;&lt;br /&gt;
  &lt;/div&gt;No local existia uma passagem hidráulica metálica (tubo)
  que obviamente estava sub dimensionado do ponto de vista
  hidráulico (pequena secção)... ou esta cheia deve ter sido a
  cheia &quot;centenária ou superior&quot; para a qual as obras não estão
  preparadas; Com a pressão da água, os solos, por baixo, foram
  &quot;erodidos&quot; e a fundação foi danificada. O pavimento &quot;assentou&quot; e
  &quot;quebrou&quot;. Com o continuar da &quot;pressão&quot; abriu-se uma vala, e o
  tubo libertou-se da fundação e ficou a boiar!&lt;br /&gt;
&lt;pre&gt;
 
&lt;/pre&gt;&lt;br /&gt;&lt;/p&gt;</description>
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    <item>
      <title>Anomalia da Temperatura da Baixa Atmosfera (1979-2009)</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=122</link>

<enclosure url='http://geography.about.com/od/globalproblemsandissues/a/pinatubo.htm' type='text/html' />
      <pubDate>Tue, 05 Jan 2010 20:37:09 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;Gráfico da evolução da anomalia da temperatura média global da
baixa atmosfera, nos últimos 30 anos. É medido o afastamento mensal
em relação à temperatura média obtida no período 1979-1998. Estão
indicadas as ocorrências de fenómenos com impacte na temperatura
global (&lt;span style=&quot;color:rgb(102, 51, 204);&quot;&gt;episódio vulcânico
no &lt;a href=
&quot;http://geography.about.com/od/globalproblemsandissues/a/pinatubo.htm&quot;&gt;
vulcão de Mt. Pinatubo&lt;/a&gt;&lt;/span&gt; e &lt;a href=
&quot;http://en.wikipedia.org/wiki/El_Ni%C3%B1o-Southern_Oscillation&quot;&gt;&lt;span style=&quot;color:rgb(255, 51, 0);&quot;&gt;
El Niño&lt;/span&gt;&lt;/a&gt;). A vermelho a média móvel de 25 meses.&lt;br /&gt;
&lt;br /&gt;
Fonte: &lt;a href=&quot;http://wattsupwiththat.com/&quot;&gt;Whatts up with
that&lt;/a&gt;? (by Roy W. Spencer)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;&lt;/p&gt;</description>
      <guid isPermaLink="true">http://metododirecto.pt/geopor/mod/forum/discuss.php?d=122</guid>
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    <item>
      <title>Fraude climática</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=121</link>
      <pubDate>Wed, 30 Dec 2009 08:56:39 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;span style=&quot;font-weight:bold;&quot;&gt;Parte 1&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;/object&gt; &lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
&lt;br /&gt;
Parte 2&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;/object&gt; &lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
&lt;br /&gt;
Parte 3&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;/object&gt; &lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
&lt;br /&gt;
Parte 4&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;/object&gt; &lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
&lt;br /&gt;
Parte 5&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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  allowscriptaccess=&quot;always&quot; type=&quot;application/x-shockwave-flash&quot;
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&lt;/object&gt; &lt;span style=&quot;font-weight:bold;&quot;&gt;&lt;br /&gt;
&lt;br /&gt;
Parte 6&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
Parte 7&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
Parte 8&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
Parte 9&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
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  &lt;br /&gt;
&lt;/object&gt;&lt;/p&gt;</description>
      <guid isPermaLink="true">http://metododirecto.pt/geopor/mod/forum/discuss.php?d=121</guid>
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    <item>
      <title>Solar Minima</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=120</link>

<enclosure url='http://www.wwnorton.com/college/geo/animations/milankovitch_cycle.htm' type='text/html' />

<enclosure url='http://science.nasa.gov/headlines/y2006/10may_longrange.htm' type='text/html' />

<enclosure url='http://apeq.no.sapo.pt/estquat.htm' type='text/html' />

<enclosure url='http://geopor-pt.blogspot.com/2009/12/os-nossos-filhos-ainda-vao-sentir-muito.html' type='text/html' />
      <pubDate>Sat, 19 Dec 2009 11:11:39 CET</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;&lt;p&gt;
  A &lt;a href=
  &quot;http://en.wikipedia.org/wiki/Solar_variation&quot;&gt;actividade
  Solar&lt;/a&gt; varia ao longo do tempo. Evolui entre máximos e
  mínimos. Conjugada com &lt;a href=
  &quot;http://cdsweb.cern.ch/record/1181073/?ln=pt&quot;&gt;variações da
  radiação cósmica&lt;/a&gt; (influência na &lt;a href=
  &quot;http://cloud.web.cern.ch/cloud/&quot;&gt;nebulosidade&lt;/a&gt; terrestre) e
  com variações da órbita terrestre (ciclos de Milankovitch),
  nomeadamente &lt;a href=
  &quot;http://www.wwnorton.com/college/geo/animations/milankovitch_cycle.htm&quot;&gt;
  com a da excentricidade&lt;/a&gt;, dá origem a perídodos de clima mais
  quente ou mais frio designados Interglaciares e Idades glaciares.
&lt;/p&gt;
&lt;p&gt;
  &lt;a href=&quot;http://dx.doi.org/10.1016/j.gloplacha.2010.01.004&quot;&gt;Pelos
  anos 2040-2050&lt;/a&gt;, espera-se um novo &lt;a href=
  &quot;http://science.nasa.gov/headlines/y2006/10may_longrange.htm&quot;&gt;Mínimo
  Solar&lt;/a&gt; e respectiva Pequena Idade Glaciar que se fará sentir
  no Ártico e Europa Ocidental. (Mörner, N-A, 2008: &lt;span style=
  &quot;font-style:italic;&quot;&gt;No on-going global flooding with the Sun
  back in the centre&lt;/span&gt;. &lt;a href=
  &quot;http://apeq.no.sapo.pt/estquat.htm&quot;&gt;Estudos do Quaternário&lt;/a&gt;,
  5, APEQ, Porto: 3-9).
&lt;/p&gt;&lt;a href=
&quot;http://geopor-pt.blogspot.com/2009/12/os-nossos-filhos-ainda-vao-sentir-muito.html&quot;&gt;Os
nossos filhos ainda vão sentir muito frio&lt;/a&gt; …&lt;br /&gt;&lt;/p&gt;</description>
      <guid isPermaLink="true">http://metododirecto.pt/geopor/mod/forum/discuss.php?d=120</guid>
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    <item>
      <title>Blocos de exploração de petróleo do pré-sal (Brasil)</title>
      <link>http://metododirecto.pt/geopor/mod/forum/discuss.php?d=118</link>
      <pubDate>Wed, 09 Sep 2009 13:02:28 CEST</pubDate>
      <description>por Paulo Legoinha. &amp;nbsp;&lt;p&gt;Mapa dos blocos e poços de exploração de petróleo do &quot;pré-sal&quot; do
Brasil. Estão ainda indicadas as percentagens dos consórcios de
cada bloco. Partex e Galp são os parceiros portugueses.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;&lt;/p&gt;</description>
      <guid isPermaLink="true">http://metododirecto.pt/geopor/mod/forum/discuss.php?d=118</guid>
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