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Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. 
What's hot in the news around climate and sea ice and what are scientists talking about now? 
Knowledge Base
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Options Available for Bulk Downloading Data from HTTPS with Earthdata Login There are the a few options depending on the tools that you have ... Read more |
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What is the Map Transformations Library (Mapx)? Mapx is a coordinate transformation library developed at NSIDC. The C ... Read more |
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How long do I have to download my data from Polaris? The download will time out after 7 days. Read more |
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How does the Reverb tool select which granules contain data in a specific geographic region? The Backtrack Orbit Search Algorithm (BOSA) is used so that Reverb can ... Read more |
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Where can I find the Reverb Tutorial? Reverb Tutorial can be found on the Reverb Web site: ... Read more |
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Can I view virtual globe animations offline? Google earth tries to connect to the internet when viewing KMZ's. The ... Read more |
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How to access data using an FTP client To access data using an FTP client (e.g. FileZilla, Cyberduck, FireFTP ... Read more |
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How to see a list of data sets The NSIDC Data ... Read more |
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How to perform a search with Polaris? You can use this interface to get file-level, on-the-fly browse access ... Read more |
FORTRAN I/O SamplesUnsigned byte data in a two dimensional array... Read more |
FORTRAN Binary I/OKenneth W. Knowles, National Snow & Ice Data CenterThere ... Read more |
A Mapping and Gridding Primer: Points, Pixels, Grids, and CellsIntroduction:Satellite remote sensing has made possible the ... Read more |
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How to use the new data services in the Reverb search and order tool? In July 2013, NSIDC and NASA's Reverb|ECHO introduced new functionality ... Read more |
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How to make a URL to call Reverb and Earthdata Search (programmatic access) This article describes the basic steps needed to construct a URL that ... Read more |
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Why are AMSR/ADEOS-II data only available for nine months? On 25 October 2003, at 8:49 a.m. (JST), JAXA discovered that ADEOS-II ... Read more |
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Are any higher-level AMSR/ADEOS-II products available? No, the AMSR/ADEOS-II L2A ... Read more |
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How do AMSR and AMSR-E improve upon previous passive microwave radiometers? First, the spatial resolution of AMSR/ADEOS-II and AMSR-E/Aqua data ... Read more |
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How do I retrieve a time array from AE_L2A data? Each AE_L2A data file has a time stamp for each scan. The time array is ... Read more |
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How do I import AMSR-E Daily Soil Moisture data into ArcGIS? The following are instructions on how to import and display AMSR-E ... Read more |
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How can I read AMSR-E Level-2 Soil Moisture Data? HDF-EOS defines three different data models – point, swath, and grid – ... Read more |
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How can I view AMSR-E data? Note: These instructions do not apply to the Level-2B ... Read more |
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Is the Greenland Surface DEM provided in an alternative format? Yes. Attached to this article are the following Greenland Surface DEM ... Read more |
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How do I read the Greenland DEM in Fortran? Directions for reading the Bamber Greenland DEM, Ice Thickness, and ... Read more |
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How to import the Greenland DEM into ArcGIS Directions for Importing Bamber Greenland DEM, Ice Thickness, and ... Read more |
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How to import the Digital SAR Mosaic of Greenland into ArcGIS These are directions for importing the grnlnd_dem_wgs84.dat (a ... Read more |
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Why use equal-area maps? Given the choices of either shape distortion or areal distortion or ... Read more |
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What do I use to convert Northern EASE-Grid to Global EASE-Grid? Assuming that the data that was produced conforms to the ML (25km) EASE ... Read more |
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How do I import EASE-Grid 2.0 snow cover and sea ice data into ArcGIS? This document describes how to import EASE-Grid 2.0 data files into ... Read more |
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How to import Global Monthly EASE-Grid SWE data products into ArcGIS The global, monthly SWE EASE-GRID products can be found at the ... Read more |
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Why are the 2009 images 1-band, while the other images are 3-band? During the first campaign for this data set (2009 Antarctica), the ... Read more |
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When are the IceBridge data collected? What is an IceBridge data campaign? The IceBridge project was initiated in order to fill a gap in the ... Read more |
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How can I search for IceBridge data? 1. To see a listing of all the IceBridge data sets, ... Read more |
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How do I use the IceBridge Data Portal? The IceBridge Data Portal allows for map-based visualization of flight ... Read more |
Stepping through the HDFView User Guide with GLAS HDF5 DataHDFView... Read more |
| How to order a subset of GLAS HDF5 data |
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How to run NGAT To use the NGAT tool, first download and extract the files into one ... Read more |
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How to run an IDL reader for glas products (read_glas_file.pro) Here is the link to the IDL readers: ... Read more |
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How to extract elevation from GLAS HDF5 data ou can extract elevation from GLAS HDF5 data in tabular format using ... Read more |
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How do I import GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica into ArcMap? The following steps outline the process for visualizing the GLAS/ICESat ... Read more |
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How do you compute sea ice freeboard using GLA13 (GLAH13) data? "Freeboard" is a measure of the height of sea ice above the ocean ... Read more |
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How to order specific MODIS tiles from Reverb Using Reverb's 2D coordinate data search. ... Read more |
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What if I need SNODAS data in real or neal-real time? NSIDC has scripts that run several times a day. If new SNODAS files are ... Read more |
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How can I find information about the model input for the SNODAS data set? NOHRSC provides/creates the data, we just archive it. If you have ... Read more |
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When visualizing SNODAS data, why is the image skewed? This is most likely due to a problem with Windows Winzip which corrupts ... Read more |
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Why can't I convert IMS ascii data into a raster in ArcMap? The problem is that some IMS ascii files were created without spaces in ... Read more |
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How do I import SNODAS data into ArcGIS? Follow the steps below (which are also ... Read more |
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How can I interpolate large segments of missing data? Unfortunately, there's not much to be done. Sea ice varies so ... Read more |
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How can I plot IMS-24km ASCII data using General Mapping Tools (GMT)? There are two "tricks" to using this dataset with GMT: reading the data ... Read more |
| Do you have code for reading NISE data into MATLAB, IDL, Python, or NCL? |
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How to import the sea ice trends data into ArcGIS The following are instructions describing how to import "Sea Ice Trends ... Read more |
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How to import the near-real-time sea ice data into ArcGIS The following are instructions describing how to import "Near-Real-Time ... Read more |
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How to display and analyze the Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data The Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS ... Read more |
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How to import the NSIDC-0051 sea ice concentration data into ArcGIS The following are instructions describing how to import "Sea Ice ... Read more |
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How do I search, order, and customize SMAP data using Earthdata Search? The attached video tutorial (.mp4) and document (.pdf) provide step-by- ... Read more |
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How do I visualize SMAP data in Worldview? The attached video tutorial provides step-by-step instructions on how ... Read more |
| How to read SMAP data into MATLAB, Python, IDL, or NCL |
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How to import and geolocate SMAP Level-3 and Level-4 data in ENVI The following are instructions on how to import and geolocate SMAP ... Read more |
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How to import and geolocate SMAP Level-1C and Level-2 data in ENVI The following are instructions on how to import and geolocate SMAP ... Read more |
