Pollen profile of sediment core PG1856-3

Fuente: PANGAEA

Enregistré dans:

Détails bibliographiques
Auteurs principaux:	Hoff, Ulrike, Biskaborn, Boris K, Dirksen, Veronika G, Dirksen, Oleg V, Kuhn, Gerhard, Meyer, Hanno, Nazarova, Larisa B, Roth, Alexandra, Diekmann, Bernhard
Format:	Dataset Open Access
Langue:	en
Publié:	PANGAEA 2015
Sujets:	AGE; Alnus fruticosa; Alnus hirsuta; Anemone-type; Artemisia; Assulina; Asteraceae; AWI_PerDyn; AWI Arctic Land Expedition; Betula divaricata; Betula ermanii; Betula exilis; Betula platyphylla; Betula sp.; Botrychium; Botryococcus; Brassicaceae; Bryales, leaves; Caryophyllaceae; cf. Tofieldia; Chamerion; Charcoal; Cirsium; Cladocera; Claws; Counting, palynology; Cyanophyceae; Cyperaceae; Depth, bottom/max; Depth, composite; Depth, top/min; Dryas; Equisetum; Ericales; Filipendula; Geraniaceae; Heracleum; Huperzia selago; Iris setosa; Juniperus; Kamchatka2007; KOL; Larix cajanderi; Liliaceae; Lonicera caerulea; Lycopodium annotinum subsp. pungens; Lycopodium clavatum; Mandibles; Matteuccia struthiopteris; Myrica tomentosa; Oxalis acetosella; Pediastrum; Permafrost Research (Periglacial Dynamics) @ AWI; PG1856-3; Picea ajanensis; Pinus pumila; Piston corer (Kiel type); Plantago; Poaceae; Pollen, non-planktic; Pollen, total; Pollen indeterminata; Polygonaceae; Polypodiaceae; Pteridium aquilinum; Ranunculaceae; Rosaceae; Rubiaceae; RU-Land_2007_Kamchatka; Rumex; Salix; Sanguisorba officinalis; see reference(s); Selaginella rupestris; Shrubs; Sparganium; Sphagnum; Sphagnum, leaves; Thalictrum; Thelypteris palustris-type; Trees; Two-Yurts Lake; Typha; Upland herbs; Urtica
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Internet

https://doi.org/10.1594/PANGAEA.848700

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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