Observations des eaux continentales depuis l'espace

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Détails bibliographiques
Publié dans:	Géosciences No 9
Auteur principal:	Cazenave, Anny, 19..-
Support:	Article en ligne
Langue:	Français
Publié:	2009.
Sujets:	Articles de périodiques
Résumé:	Les techniques spatiales telles que l'altimétrie, les techniques micro-ondes actives et passives et la gravimétrie spatiale, permettent d'accéder à des paramètres clés en hydrologie contientale. Grâce à l'observation spatiale, on mesure à présent en routine les variations du niveau d'eau des rivières et des lacs dans les plaines inondées, de l'humidité des sols et des stocks d'eau souterraines
Accès en ligne:	Accès à l'article en ligne
Lien:	Dans: Géosciences Autre support: Observations des eaux continentales depuis l'espace

+ d'infos
Résumé:	Les techniques spatiales telles que l'altimétrie, les techniques micro-ondes actives et passives et la gravimétrie spatiale, permettent d'accéder à des paramètres clés en hydrologie contientale. Grâce à l'observation spatiale, on mesure à présent en routine les variations du niveau d'eau des rivières et des lacs dans les plaines inondées, de l'humidité des sols et des stocks d'eau souterraines
Description matérielle:	p. 80-85.
ISSN:	2269-9724

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// 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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Observations des eaux continentales depuis l'espace

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