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Review of NASA's Distributed Active Archive Centers (1999) / Chapter Skim
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D User Survey
Pages 215-230

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 215...
... Such reviews are beneficial to data centers because they provide critical user feedback to the center and they educate the broader user community about the center' s activities. In this sense, the COED is serving a purpose similar to that of a visiting committee for an academic department.
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From page 216...
... yearly 4. Typical size of data set?
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From page 217...
... Among its most recent reports are 1992 Review of the World Data Center-A for Rockets and Satellites and the National Space Science Data Center (NRC, 1993) and 1993 Review of the World Data Center-A for Meteorology and the National Climatic Data Center (NRC, 1994.)
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From page 218...
... 218 to z to v Liz z to ca z to z to ~ V ~ z to ~ Cq a' a' VO o so VO ¢ En ,,, REV z to ~ ~ TV s ~ ~ to ~ ca o ~ o z ~ on ca ~ ~ V CM ~ CM Do ~ ~ Do ~ CM CM CM ~ ~ o ~ Do o o ~ ~ Do 4= C)
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From page 219...
... 219 to a)
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From page 220...
... 220 90 80 70 60 In (/' So ~ o In ~ 4o 1 to 30 20 10 90 80 70 60 In a) (/' So o Q In cC 40 a 30 10 o 90 80 ~ Sophisticated Users 1 4 3 1 1 2 1 Casual Users 6 5 4 Foreign Users 70 60 In a)
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From page 221...
... e e e . _ ° ° EASE ~ ja^aN VISTA ^luluo~ Away iI!
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From page 223...
... Most respondents chose multiple answers, so the total responses for each DAAC generally exceed 100%.
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From page 225...
... Reviewed publications with DAAC data (see survey, Question 11)
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From page 226...
... EDC DAAC EDC has been very helpful in providing AVHRR and GLCC data sets to us, and has provided great customer service help to us. The speed of delivery of Landsat raw imagery is slow, and it is hard to obtain Level 0 data.
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From page 227...
... ASF DAAC The user interface (V0 IMS) is poorly suited to selecting data for repeatpass SAR interferometry; these data must be selected according to viewed location, date of data collection, spatial baseline, and temporal baseline.
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From page 228...
... The software provided together with the data for reading and manipulating purposes could improve, certain standards of portability and software quality control should be demanded. The databases provide students in my classes an opportunity to see and use data sets in problem assignments.
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From page 229...
... They have a lot of "in-house" expertise which I think is essential for a data center that is, a DAAC must be more than just a "data warehouse," it has to be a resource center for the user community and a focus for acquiring data sets, possibly extracting higherorder data products. I think NSIDC excels at this.
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Key Terms

  • respondents chose
  • user community
  • chose multiple
  • list major
  • data center

  • user communities
  • placed correctly
  • reviewed publications
  • daac data
  • world data

  • multiple answers
  • space below
  • tight collaboration
  • multiple copies
  • jpl project

  • possibly extracting
  • sun operating
  • national climatic
  • recent crysys
  • extremely helpful

  • daac staff
  • national space
  • catalogs data
  • services staff
  • nscat scatterometer

  • interdisciplinary data
  • ids annual
  • revised gdrs
  • data consistently
  • major criticisms


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