Protection des captages d'eau souterraine destinée à la consommation humaine

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Détails bibliographiques
Publié dans:	Géosciences No 5
Auteur principal:	Pennequin, Didier.
Autres auteurs:	Vernoux, Jean-François., Saout, Charles., Château, Gaelle., Pillebout, Anne.
Support:	Article de revue
Langue:	Français
Publié:	2007.
Sujets:	Articles de périodiques
Résumé:	En France, plus de la moitié de la population est alimentée en eau potable grâce aux nappes d'eau souterraine. Face au risque de contamination accidentelle des captages d'eau potable, les périmètres de protection constituent l'outil réglementaire de base. Il reste néanmoins d'importants efforts à faire pour assurer la protection de l'ensemble des captages existants et au-delà, pour préserver voire restaurer la qualité des ressources en eaux souterraine. Plusieurs pistes existent pour atteindre chacun de ces objectifs, et notamment pour mieux assurer la protection des captages d'eau destinée à la consommation humaine.
Lien:	Dans: Géosciences Autre support: Protection des captages d'eau souterraine destinée à la consommation humaine


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008	151214c2007 xxe \|\|\| \|\|\|\| 00\| 0 fre d
041	0		\|a fre
100	1		\|a Pennequin, Didier.
245	1	0	\|a Protection des captages d'eau souterraine destinée à la consommation humaine \|c Didier Pennequin, Jean-François Vernoux, Charles Saout, Gaelle Château et Anne Pillebout.
260			\|c 2007.
300			\|a p. 88-99.
520			\|a En France, plus de la moitié de la population est alimentée en eau potable grâce aux nappes d'eau souterraine. Face au risque de contamination accidentelle des captages d'eau potable, les périmètres de protection constituent l'outil réglementaire de base. Il reste néanmoins d'importants efforts à faire pour assurer la protection de l'ensemble des captages existants et au-delà, pour préserver voire restaurer la qualité des ressources en eaux souterraine. Plusieurs pistes existent pour atteindre chacun de ces objectifs, et notamment pour mieux assurer la protection des captages d'eau destinée à la consommation humaine.
650			\|a Articles de périodiques
700	1		\|a Vernoux, Jean-François. \|4 aut
700	1		\|a Saout, Charles. \|4 aut
700	1		\|a Château, Gaelle. \|4 aut
700	1		\|a Pillebout, Anne. \|4 aut
773	0		\|w 335777 \|t Géosciences \|x 1772-094X \|g No 5
776	0		\|t Protection des captages d'eau souterraine destinée à la consommation humaine \|t 2007
993			\|a Article de revue
994			\|a PS
997			\|0 336355

foreach (glob($this->path . "/sess_*") as $filename) { if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); } } return true; } /** * 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) { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, "w")) { $return = fwrite($handle, $data); fclose($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. echo 'Cannot write session to ' . $sessFile . "\n"; return false; } }

// 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 true; } /** * 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, $data) { if ($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); }

* * @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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Protection des captages d'eau souterraine destinée à la consommation humaine

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