Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1141_85.50_-8.22_thr06_data_Vers5

Fuente: PANGAEA

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Bibliographic Details
Main Authors:	Krumpen, Thomas, Haas, Christian, Hendricks, Stefan
Format:	Dataset Open Access
Language:	en
Published:	PANGAEA 2024
Subjects:	DATE/TIME; HEIGHT above ground; IceBird-W23; Laser Altimeter; LATITUDE; LONGITUDE; P6_239_IceBird_Winter_2023_SBLA_20230420T114124; P6-239_IceBird_Winter_2023; POINT DISTANCE from start; POLAR 6; Ridge boundary, left; Ridge boundary, right; Ridge Height; Ridge height, maximum; Ridge Spacing; Ridge spacing, typical; Ridge width; Ridge Width; SBLA; Sea Ice Surface Roughness; Single beam laser altimeter; Single beam laser altimeter; processed with laser_Altimeter_Processing_VS5_06_20.py; Surface elevation; Time in seconds
Online Access:	Acceder al recurso
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Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1116_84.51_-5.17_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1012_82.39_-13.55_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1313_84.37_-16.67_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1335_83.30_-16.70_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1250_85.44_-16.63_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1357_82.65_-16.70_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1036_83.03_-10.40_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1206_86.46_-12.88_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230420T1058_83.73_-6.06_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1537_80.72_-101.40_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1249_84.11_-57.73_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1227_83.48_-57.75_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1301_85.07_-57.77_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1507_82.90_-21.91_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1444_83.54_-25.55_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1347_85.42_-44.40_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1914_72.31_-133.48_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1408_84.81_-36.08_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1325_85.83_-54.61_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1934_71.33_-133.48_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1621_82.35_-106.59_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1853_72.91_-133.48_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1641_82.90_-108.99_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1557_81.50_-103.62_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1654_83.20_-104.50_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1954_70.40_-133.48_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1741_83.07_-88.58_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230408T1718_83.19_-95.78_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230419T1430_84.29_-30.84_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1642_70.69_-133.42_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1707_71.52_-133.45_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1732_72.41_-133.46_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Laser altimeter data obtained over sea-ice during the IceBird Winter campaign in Mar-Apr, 2023; profile P6_239_IceBird_Winter_2023_SBLA_20230331T1757_73.43_-133.48_thr06_data_Vers5
by: Krumpen, Thomas, et al.
Published: (2024)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2304200901 in 1 sec resolution (zipped, 902 KB)
by: Krumpen, Thomas, et al.
Published: (2023)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2304040501 in 1 sec resolution (zipped, 577 KB)
by: Krumpen, Thomas, et al.
Published: (2023)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2303270201 in 1 sec resolution (zipped, 351 KB)
by: Krumpen, Thomas, et al.
Published: (2023)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2303310301 in 1 sec resolution (zipped, 1 MB)
by: Krumpen, Thomas, et al.
Published: (2023)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2304190801 in 1 sec resolution (zipped, 1 MB)
by: Krumpen, Thomas, et al.
Published: (2023)

Master track from POLAR 6 flight P6_239_IceBird_Winter_2023_2304020401 in 1 sec resolution (zipped, 933 KB)
by: Krumpen, Thomas, et al.
Published: (2023)

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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