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ICESat/GLAS Status at NSIDC

ICESat/GLAS Status at NSIDC. Doug Fowler NSIDC Product Team Lead PoDAG Oct. 25-27, 2006. Briefing Outline. Release 28 ICESat Mission summary Distribution metrics Tools Subsetting Web stats. #21. Release 28 . Release 28 data, Laser 3E archived 2006-02-22 to 2006-03-27

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ICESat/GLAS Status at NSIDC

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  1. ICESat/GLAS Status at NSIDC Doug Fowler NSIDC Product Team Lead PoDAG Oct. 25-27, 2006

  2. Briefing Outline • Release 28 • ICESat Mission summary • Distribution metrics • Tools • Subsetting • Web stats #21 PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  3. Release 28 • Release 28 data, Laser 3E archived • 2006-02-22 to 2006-03-27 • Release 28 data, Laser 3D being archived • 2005-10-21 to 2005-11-24 • Future data deliveries for Release 28 • L3B • L2A • L2B PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  4. Release 28 Improvements • Corrections are now applied for oscillator frequency • As a result all elevations are shifted about 2 cm in the horizontal • The relative elevations between operations periods shift less than 3 to 8 mm. • There are now improved corrections for saturation effects and improved flags to aid in data selection. PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  5. Oct/Nov Feb/Mar May/Jun L1 L2a 2003 L2b L2c L3a 2004 L3b L3c L3d 2005 L3e L3f L3g 2006 ICESat Operations Summary 10 Campaigns so far PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  6. Distribution Statistics • Datapool • V0 Gateway (EDG) • User Affiliations & numbers PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  7. Dist. Stats from start of mission (via Data Pool) PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  8. Dist. Stats from start of mission (via Gateway) PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  9. Dist. Stats from start of mission (via Gateway + Data Pool) PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  10. User Affiliations: # of distinct users by user category PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  11. User Tools at NSIDC IDL visualizer NGAT reader F90 readers IDL ellipsoid ISIPS reader rSCF subsetter PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  12. Hits on Tools webpage since start of mission Tool Distinct Users IDL Visualizer 337 NGAT reader 247 ISIPS reader 300 F90 readers 250 IDL ellipsoid 214 Total 1348 PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  13. Subsetter Published July 25, 2005 Subsetting provided for GLA01, 05-15. Running 2 subsetter processes; 1 for pre-release 24 data and 1 for release 24 and newer http://nsidc.org/forms/glas_subset_form.html PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  14. GLAS Subsetter PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  15. GLAS Subsetter 75 distinct users PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  16. GLAS Subsetter PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  17. Attributes for ICESat Laser Operations Periods “BORG” Table • Published on the NSIDC ICESat/GLAS web site. • NSIDC posts information pertaining to available releases. • Hits on table since 4/18/06 • 135 (54) on PDF version • 106 (35) on Excel table • * Numbers in parens reported at last STM PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  18. Attributes for ICESat Laser Operations Periods Table PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  19. GLAS elevation images Hits On Elevation Images (distinct users) nsidc.org/data/icesat/laser1_orbit      423           laser2a                                                289     laser2b                                                      218  laser2c                                                         157 laser3a                                                        199 laser3b                                                        293 laser3c                                                        478 The main page (nsidc.org/data/icesat) is the top viewed page w/5701 hits, followed by http://nsidc.org/data/icesat/data.html w/4634 hits. PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  20. Laser 3b Elevation Image PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  21. Summary • Release 28 ingest and distribution • Continue to provide subsetting • DEM documentation • Create missing elevation maps for specific campaigns PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  22. Backup Slides PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  23. Various Releases: http://nsidc.org/data/icesat/data.html#release_schedule PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  24. Release Info Table PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  25. Tools Page PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  26. Release Notes PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  27. Disclaimer PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  28. Web Statistics • nsidc.org/data/icesat/laser1_orbit                   141 laser2a                                                        87 laser2b                                                        43 laser2c                                                        41 laser3a                                                        57 laser3b                                                        47 laser3c                                                        127 Also, just for kicks -as you would guess the main page (nsidc.org/data/icesat) is the top viewed page w/3587 hits, followed by http://nsidc.org/data/icesat/data.html w/2749 hits PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  29. GLAS Elevation Images Hits On Elevation Images (distinct users) As of 9/29/06 Last STM nsidc.org/data/icesat/laser1_orbit      423          141 laser2a                                                289     87 laser2b                                                      218  43 laser2c                                                         157 41 laser3a                                                        199 57 laser3b                                                        293 47 laser3c                                                        478 127 The main page (nsidc.org/data/icesat) is the top viewed page w/5701 (3587) hits, followed by http://nsidc.org/data/icesat/data.html w/4634 (2749) hits. * Numbers in parens reported at last STM PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  30. NSIDC GLAS page hits by domain extension is    16 sa    14 kr    13 hk    10 co    9 bg    8 hu    8 lencha    7 ee    7 cx    6 ro    6 id    6 gl    5 sg    5 local    5 sk    5 ve    4 cc    4 cl    4 zw    4 pk    4 lu    3 ph    3 hr    3 su    2 nu    2 pub23    2 cy    2 to    2 yu    2 gt    2 tavakoli    2 vn    2 biz    1 20    1 twin    1 ke    1 fk    1 • Country--    Number of Views unknown    6137 com   5387 net  4725 edu     4556 gov    3531 uk    1502 de    1468 nl    1172 ca    1106 jp    926 fr    905 no     498 it    490 au    413 arpa    372 fi    266 dk    236 org   233 mil     208 us     184 br    164 at    158 il    157 ru    143 mx    137 pt     114 es     110 gr    91 in     79 se    78 ch    74 cn     70 be    56 tw    46 pl    44 cz    39 mv    1 aw    1 za    1 ng    1 uy    1 av25214   1 ua    1 ma    1 fj     1 lt    1 tz    1 tv    1 ar    39 th    34 int    32 tr    29 pe    25 nz    24 ie    22 vaio    17 PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  31. ICESat Orientations PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  32. Subsetting Requests PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  33. Subsetting Requests PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  34. Subsetting Requests PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  35. Subsetting Requests PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

  36. Subsetting Requests PoDAG Meeting Douglas Fowler, NSIDC DAAC October 25-27, 2006

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