How much does it cost to get data from the GES DISC?
All of the data products and services provided by the GES DISC are available free of any charges.
Where are the MODIS NDVI / Land/ Fire data?
MODIS land surface data are archived at the Land Processes DAAC (LPDAAC). Here is the contact information for the LPDAAC:
http://edcdaac.usgs.gov/main.asp
LP DAAC User Services
U.S. Geological Survey (USGS)
Center for Earth Resources Observation and Science (EROS)
47914 252nd Street
Sioux Falls, SD 57198-0001 USA
605-594-6116 voice
605-594-6963 fax
email: LPDAAC@eos.nasa.gov
Where are the AVHRR NDVI data?
The GES DISC has been in a long process of eliminating its distribution of and support for AVHRR data. We are pleased to inform you that the Global Land Cover Facility (GLCF) at the University of Maryland is now the public site for providing AVHRR data and support services. URL: http://glcf.umiacs.umd.edu/data/gimms/.
II cannot find the MODIS atmospheric data. Can you tell me their location?
MODIS atmospheric data are now available from the LAADS Web, http://ladsweb.nascom.nasa.gov/. Note the differences in spelling between LAADS Web and "ladsweb" in the URL.
Do the answers to these FAQ entries represent the official position or opinion of NASA?
No. The answers to these questions are provided to assist you with the use of the data in the GES DISC archives, and the related tools we provide. Many of these answers will guide you to other NASA Web sites and data archives, which are part of the NASA network. For our users, we strive to provide pertinent and correct information to assist with their scientific research.
What is Mirador for? Is it better than Google?
Mirador is a simplified interface for finding Earth science data files at NASA Goddard Earth Sciences Data and Information Services Center (GES DISC). Because Mirador is dedicated to and designed for the data archived at the GES DISC, it works better than a general Google search to find data files in the GES DISC system, especially for specific space or time criteria. You can find some answers to questions about Mirador at the URL below:
http://mirador.gsfc.nasa.gov/cgi-bin/mirador/help.pl
Mirador actually employs Google search technology for keyword-based searches.
Where are the MODIS ATBDs? Are they current and still useful?
The MODIS ATBDs (Algorithm Theoretical Basis Documents) can still be found on the MODIS Web:
http://modis.gsfc.nasa.gov/data/atbd/index.php
Under each discipline, the latest revision date is listed next to the ATBD title in the table listing. Some of the ATBDs have been revised; others have not been revised, but the basic algorithm described in the document is still in use. Other ATBDs (notably for the MODIS Ocean products) may no longer apply to the products which are available, but the ATBD may still contain useful reference information. If the information in an ATBD is to be utilized for research, it would be wise to contact the authors (if possible) to determine the current status of the algorithms used to generate MODIS geophysical data products.
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Atmos Composition
