GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34
GLAH06 is used in conjunction with GLAH05 to create the Level-2 altimetry products. Level-2 altimetry data provide surface elevations for ice sheets (GLAH12), sea ice (GLAH13), land (GLAH14), and oceans (GLAH15). Data also include the laser footprint geolocation and reflectance, as well as geodetic,...
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dataone:sha256:ff2a05507df27bd1c8dac224401bc956360bf3a63158459dafe5de504f90427c 2023-12-03T20:44:02+01:00 GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 NASA National Snow and Ice Data Center Distributed Active Archive Center National Snow and Ice Data Center BEGINDATE: 2003-02-20T00:00:00Z ENDDATE: 2009-10-11T00:00:00Z 2023-11-28T23:58:21Z https://search.dataone.org/view/sha256:ff2a05507df27bd1c8dac224401bc956360bf3a63158459dafe5de504f90427c unknown Dataset dataone:urn:node:NSIDC 2023-12-03T20:19:02Z GLAH06 is used in conjunction with GLAH05 to create the Level-2 altimetry products. Level-2 altimetry data provide surface elevations for ice sheets (GLAH12), sea ice (GLAH13), land (GLAH14), and oceans (GLAH15). Data also include the laser footprint geolocation and reflectance, as well as geodetic, instrument, and atmospheric corrections for range measurements. The Level-2 elevation products, are regional products archived at 14 orbits per granule, starting and stopping at the same demarcation (± 50° latitude) as GLAH05 and GLAH06. Each regional product is processed with algorithms specific to that surface type. Surface type masks define which data are written to each of the products. If any data within a given record fall within a specific mask, the entire record is written to the product. Masks can overlap: for example, non-land data in the sea ice region may be written to the sea ice and ocean products. This means that an algorithm may write the same data to more than one Level-2 product. In this case, different algorithms calculate the elevations in their respective products. The surface type masks are versioned and archived at NSIDC, so users can tell which data to expect in each product.Each data granule has an associated browse product. Dataset Sea ice Unknown |
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GLAH06 is used in conjunction with GLAH05 to create the Level-2 altimetry products. Level-2 altimetry data provide surface elevations for ice sheets (GLAH12), sea ice (GLAH13), land (GLAH14), and oceans (GLAH15). Data also include the laser footprint geolocation and reflectance, as well as geodetic, instrument, and atmospheric corrections for range measurements. The Level-2 elevation products, are regional products archived at 14 orbits per granule, starting and stopping at the same demarcation (± 50° latitude) as GLAH05 and GLAH06. Each regional product is processed with algorithms specific to that surface type. Surface type masks define which data are written to each of the products. If any data within a given record fall within a specific mask, the entire record is written to the product. Masks can overlap: for example, non-land data in the sea ice region may be written to the sea ice and ocean products. This means that an algorithm may write the same data to more than one Level-2 product. In this case, different algorithms calculate the elevations in their respective products. The surface type masks are versioned and archived at NSIDC, so users can tell which data to expect in each product.Each data granule has an associated browse product. |
format |
Dataset |
author |
NASA National Snow and Ice Data Center Distributed Active Archive Center National Snow and Ice Data Center |
spellingShingle |
NASA National Snow and Ice Data Center Distributed Active Archive Center National Snow and Ice Data Center GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
author_facet |
NASA National Snow and Ice Data Center Distributed Active Archive Center National Snow and Ice Data Center |
author_sort |
NASA National Snow and Ice Data Center Distributed Active Archive Center |
title |
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
title_short |
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
title_full |
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
title_fullStr |
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
title_full_unstemmed |
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 |
title_sort |
glas/icesat l2 global land surface altimetry data (hdf5), version 34 |
publishDate |
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url |
https://search.dataone.org/view/sha256:ff2a05507df27bd1c8dac224401bc956360bf3a63158459dafe5de504f90427c |
op_coverage |
BEGINDATE: 2003-02-20T00:00:00Z ENDDATE: 2009-10-11T00:00:00Z |
genre |
Sea ice |
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Sea ice |
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1784300626870534144 |