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TABLE OF CONTENTS TABLE OF CONTENTS ...................................................................................................................2 1. Introduction....................................................................................................................................4 1.1. Purpose.....................................................................................................................................4 1.2. Product overview.....................................................................................................................4 1.3. User manual overview.............................................................................................................4 2. The QuikSCAT mission.................................................................................................................6 2.1. Mission Description.................................................................................................................6 2.2. Satellite Description ................................................................................................................7 2.3. SeaWinds Sensor Overview....................................................................................................7 2.3.1. Introduction to QuikSCAT.................................................................................................8 2.3.2. Principles of Operation.......................................................................................................8 2.4. Retrieving wind vectors from scatterometer measurements...............................................9 3. Processing details..........................................................................................................................11 3.1. Processing scheme .................................................................................................................11 3.2. QuikSCAT Level 2B wind data selection............................................................................11 3.3. Wind stress estimation..........................................................................................................12 3.4. Sampling .................................................................................................................................13 3.5. Estimation of gridded wind fields ........................................................................................14 3.6. Wind divergence and stress curl estimation.......................................................................17 4. Product description......................................................................................................................18 4.1. Main characteristics ..............................................................................................................18 4.1.1. Spatial coverage ...............................................................................................................18 4.1.2. Spatial resolution..............................................................................................................18 4.1.3. Grid description................................................................................................................18 4.1.4. Temporal coverage ...........................................................................................................18 4.1.5. Temporal resolution .........................................................................................................18 4.1.6. Land mask ........................................................................................................................19 4.1.7. Ice mask............................................................................................................................19 4.1.8. Main parameters ...............................................................................................................19 4.1.9. Storage ..............................................................................................................................19 4.1.10. Data volume ...................................................................................................................19 4.1.11. Conventions ....................................................................................................................19 4.2. Header structure ...................................................................................................................20 4.2.1. WOCE_version ................................................................................................................20 4.2.2. CONVENTIONS .............................................................................................................20 4.2.3. long_name ........................................................................................................................20 4.2.4. short_name .......................................................................................................................20 4.2.5. producer_agency ..............................................................................................................21 4.2.6. producer_institution .........................................................................................................21 4.2.7. netcdf_version_id .............................................................................................................21 4.2.8. product_version................................................................................................................21 4.2.9. creation_time ....................................................................................................................21 4.2.10. start_date ........................................................................................................................21 4.2.11. stop_date.........................................................................................................................21 4.2.12. time_resolution...............................................................................................................21 4.2.13. spatial_resolution ...........................................................................................................21 4.2.14. platform_id .....................................................................................................................22 2