1. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University1 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MODIS Data Product Distribution from the Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Darryl Nickless Darryl.Nickless@gsfc.nasa.gov

2. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University2 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MODIS Data Access Methods Overview GES DAAC Search and Order Interface (a.k.a. WHOM) MODIS Multiple Data Ordering Page EOS Data Gateway (EDG) Data Pool Command-line FTP access WHOM for Data Pool Terra and Aqua Orbit Tracks GES DAAC MODIS Archive Volume GES DAAC MODIS Data Distribution Statistics Please note that there are click-by-click ordering tutorials (PPT format) on the MODIS tutorial CDs (available in the lobby).

3. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University3 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Before ordering any data: select the Earth Science Data Types (ESDTs) from MODIS that meet your needs. With this information, you can easily begin the data search and order process. If you need any assistance selecting the data, please send your questions to: modis@daac.gsfc.nasa.gov Useful links regarding MODIS data can be found on the MDST web site: http://daac.gsfc.nasa.gov/MODIS/

4. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University4 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) http://daac.gsfc.nasa.gov/MODIS/data_access.shtml

5. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University5 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) GES DAAC Search and Order Interface (a.k.a. WHOM) MODIS Multiple Data Ordering Page EOS Data Gateway (EDG) Data Pool (FTP and WHOM for Data Pool) MODIS/Terra MODIS/Aqua Other DAAC data Atmosphere Ocean Radiometric/Geolocation Atmosphere Ocean Radiometric/Geolocation ESDT 2000 … 2002 … Dynamic Search for any NASA ESE Data Results based on search criteria

6. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University6 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) GES DAAC Search and Order (a.k.a. WHOM) http://daac.gsfc.nasa.gov/data/

7. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University7 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

8. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University8 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

9. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University9 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

10. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University10 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

11. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University11 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Select year 2001

12. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University12 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) After you place your order and it is successfully processed by the GES DAAC, you will receive a delivery notice email like this one that explains where/how to pick up your data. This email will have contact information for the User Services group in case you have any questions.

13. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University13 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Subsetting Ocean Data Ocean Level 2 Parameter Subsetting (WHOM) -Gets the native HDF file from the archive, extracts the parameters you request, and merges all of them together in a new HDF file with the geolocation information Ocean Level 3 Parameter Subsetting (WHOM, MDOP, EDG, Data Pool) -Does not do any manipulation to files Ocean Level 3 Spatial Subsetting (WHOM for Data Pool) -Option to subset by predefined geographical region

14. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University14 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MODIS Terra Ocean Level 2 Subsetting Product -This is on-demand parameter subset of MODOCL2, MODOCL2A, MODOCL2B and MOD28L2 WHOM -- MODIS Ocean Level 2 Parameter Subsetting

15. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University15 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Select the parameters for each data product -MODOCL2 -MODOCL2A -MODOCL2B -MOD28L2 The available granules are displayed Select “Add Selections to Order” Geolocation Data inserted into output

16. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University16 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MODIS Multiple Data Ordering Page (MDOP) http://daac.gsfc.nasa.gov/daac-bin/MODIS/Data_order.pl?PRINT=1

17. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University17 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Multiple Product Selection from Radiometric/Geolocation, Atmosphere and Ocean. Can change platforms – select Aqua or Terra Level 3 and 4 Ocean Products -Select “Level 3 & 4” button Temporal Selection Make Spatial Selection first You can type in the coordinates or use a map to select the area When you are ready, Click the “Start Search” Button Option to filter data by Quality Attributes Additional Utilities to assist in your search

18. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University18 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MDOP Level 3 Mapped and Binned Ocean Data Spatial Resolution Selection Map Type Selection Time Average Selection If you want Binned products, you need to check the box Enter your selection and begin to search for granules Level 3 Ocean Color and SST Parameters = Parameter subsetting Review Definitions

19. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University19 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MDOP Level 4 Mapped and Binned Ocean Data Spatial Resolution Selection Level 4 Mapped Products Section Semi-Analytic, 8- days Mapped Semi-Analytic, Yearly Mapped Statistical Yearly Mapped Enter your selection and begin to search for granules Select for Definitions Level 4 Ocean Primary Parameters

20. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University20 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Data Pool ftp://g0dps01u.ecs.nasa.gov/ MDST 11/22/2002

21. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University21 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

22. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University22 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) WHOM for Data Pool http://daac.gsfc.nasa.gov/data/datapool/

23. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University23 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC)

24. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University24 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Download files by right clicking with your mouse and saving to your disk. Data Pool offers a sample browse Image of the data product for users To view You can select many files and don’t have to complete an order

25. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University25 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) The available data for your selections will be displayed. You can further subset your data by geographical region, this is Spatial Subsetting. WHOM for Data Pool -- MODIS Ocean Level 3 Spatial Subsetting (only available for data on the Data Pool) Then click the ‘Submit’ button to proceed

26. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University26 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) MODIS Terra for 11/16/2002 MODIS Aqua for 11/16/2002 Images courtesy University of Wisconsin SSEC Data Center Information on the Terra and Aqua satellite orbital track can be found on http://www.ssec.wisc.edu/datacenter/terra/ and on http://www.ssec.wisc.edu/datacenter/aqua/ MODIS Terra and Aqua Satellite Predicted Passes

27. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University27 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) As of 8/1/2003 for both MODIS/Terra and MODIS/Aqua: There were 15,704,804 MODIS granules available for public ordering Those granules have a total volume of 1,268,628 gigabytes GES DAAC Archive Statistics

28. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University28 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) As of 8/1/2003 for both MODIS/Terra and MODIS/Aqua: The GES DAAC has filled 612,279 requests from 3,294 unique users of MODIS Data (Science Team subscriptions for the data are not counted here) Those requests were for a total of 1,931,252 granules, which have a total volume of 179,112 gigabytes GES DAAC Distribution Statistics

29. September 4, 2003MODIS Ocean Data Products Workshop, Oregon State University29 Goddard Earth Sciences (GES) Distributed Active Archive Center (DAAC) Please send any questions you may have to: modis@daac.gsfc.nasa.gov Useful links regarding MODIS data can be found on the MODIS Data Support Team (MDST) web site: http://daac.gsfc.nasa.gov/MODIS/