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Détails bibliographiques
Auteur principal:	Nara Luisa Reis de Andrade
Format:	Artículo científico
Langue:	pt
Publié:	Universidade Federal de Santa Maria 2016
Sujets:	Estudios Ambientales umi dade temperatura radiação solar Floresta Amazônica alterações antrópicas
Accès en ligne:	https://www.redalyc.org/articulo.oa?id=467547689028
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Variabilidade sazonal e interanual do microclima em área de floresta no sudoeste da Amazônia Nara Luisa Reis de Andrade Luciana Sanches Renata Gonçalves Aguiar João Gilberto de Souza Ribeiro Osvaldo Borges Pinto Junior Estudios Ambientales umi dade temperatura radiação solar Floresta Amazônica alterações antrópicas A Amazônia é um ecossistema de reconhecida importância global, devido à sua elevada biodiversidade e a magnitude das trocas de massa e energia por ela realizada. Considerando que as alterações no uso e ocupação do solo na região podem ocasionar mudanças nas condições micrometeorológicas locais, buscou -se com este estudo analisar os aspectos sazonais e variações interanuais do microclima em um sítio de estudos localizado em área de floresta tropical, no sudoeste da Amazônia. Para tanto, foram utilizados dados de saldo d e radiação, temperatura do ar, umidade relativa do ar e velocidade do vento coletados em uma torre micrometeorol ógica pertencente ao Programa LBA, localizada na Reserva Biológica do Jaru, no período de 2004 a 2010. A existência de padrões sazonais bem defi nidos foi verificada, com variações entre os períodos úmido, úmido -seco, seco e seco -úmido, para todas as variáveis em questão. Ainda, por meio de análises das variações interanuais, foram observados indícios de incremento do aquecimento e diminuição da um idade na localidade. Essa observação, embora pontual, merece especial atenção, visto que modificações no microclima na região Amazônica podem apresentar consequências ainda desconhecidas. 2016 artículo científico 0100-8307 https://www.redalyc.org/articulo.oa?id=467547689028 pt http://www.redalyc.org/revista.oa?id=4675 Ciência e Natura application/pdf Universidade Federal de Santa Maria Ciência e Natura (Brasil) Vol.38

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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