ICESat/GLAS Status at NSIDC Doug Fowler NSIDC Product Team Lead PoDAG Oct , 2006

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Briefing Outline Release 28 ICESat Mission summary Distribution metrics Tools Subsetting Web stats #21

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Release 28  Release 28 data, Laser 3E archived o to  Release 28 data, Laser 3D being archived o to  Future data deliveries for Release 28 o L3B o L2A o L2B

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, 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 DAACOctober 25-27, Feb/MarMay/Jun Oct/Nov L1L2a L2bL2cL3a L3bL3dL3c L3eL3fL3g ICESat Operations Summary 10 Campaigns so far

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Distribution Statistics Datapool V0 Gateway (EDG) User Affiliations & numbers

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

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

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

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, User Affiliations: # of distinct users by user category

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, User Tools at NSIDC IDL visualizer NGAT reader F90 readers IDL ellipsoid ISIPS reader rSCF subsetter

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, 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 DAACOctober 25-27, Subsetter Published July 25, 2005 Subsetting provided for GLA01, Running 2 subsetter processes; 1 for pre-release 24 data and 1 for release 24 and newer

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, GLAS Subsetter

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, GLAS Subsetter 75 distinct users

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, GLAS Subsetter

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, 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/ (54) on PDF version 106 (35) on Excel table * Numbers in parens reported at last STM

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Attributes for ICESat Laser Operations Periods Table

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, 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 w/4634 hits.

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Laser 3b Elevation Image

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

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Backup Slides

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Various Releases:

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Release Info Table

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Tools Page

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Release Notes

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Disclaimer

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, 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 w/2749 hits

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, GLAS Elevation Images Hits On Elevation Images (distinct users) As of 9/29/06 Last STM nsidc.org/data/icesat/laser1_orbit laser2a laser2b laser2c laser3a laser3b laser3c The main page (nsidc.org/data/icesat) is the top viewed page w/5701 (3587) hits, followed by w/4634 (2749) hits. * Numbers in parens reported at last STM

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, NSIDC GLAS page hits by domain extension 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 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 tw 46 pl 44 cz 39 mv 1 aw 1 za 1 ng 1 uy 1 av 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 hr 3 su 2 nu 2 pub23 2 cy 2 to 2 yu 2 gt 2 tavakoli 2 vn 2 biz twin 1 ke 1 fk 1

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, ICESat Orientations

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Subsetting Requests

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Subsetting Requests

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Subsetting Requests

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Subsetting Requests

PoDAG Meeting Douglas Fowler, NSIDC DAACOctober 25-27, Subsetting Requests