Using the MAPL Orbital Component with SatSim: Difference between revisions

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-The MAPL_OrbGridComp module is a gridded component that creates satellite ground tracts. From these tracks, masks on the imput grid are created. The component has been integrated in the GEOS5 GCM and is a child of the AGCM gridded component. Thus far it has been interfaced with the SatSim gridded component. Exports of the SatSim component can be masked and the masked fields can be output via the History componnent. To use this capability the user must provide two resource files that follow the standards of ESMF resource files. The first is MAPL_OrbGridComp.rc
+The MAPL_OrbGridComp module is a gridded component that creates satellite ground tracts. From these tracks, masks on the input grid are created. These masks represent which grid cell boxes were passed over by the satellite in a timestep of the model. The component has been integrated in the GEOS5 GCM and is a child of the AGCM gridded component and creates masks on the atomospheric grid at each timestep in the model run. The mask represents the ground track or swath of the particular satellite between the current model time and the current model time plus the heartbeat. For example, if the model heartbeat is 30 minutes and we start the model at 21z, at the first timestep the masks exported by MAPL_OrbGridComp represent the ground track or swath seen between 21:00 and 21:30. At the 2nd timestep the exports now represent the track or swath between 21:30 and 22:00.
+Thus far the MAPL_OrbGridComp module has been interfaced with the SatSim gridded component. Exports of the SatSim component can be masked and the masked fields can be output via the History as an export of SatSim. To use this capability the user must provide two resource files that follow the standards of ESMF resource files. The first is MAPL_OrbGridComp.rc, which defines the satellites and the swath of the instruments to simulate in the model run.
 An example MAPL_OrbGridComp.rc is shown below:
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 Long Name - this parameter is not read but you can place additional text after the Halo for information
-The second resource file you need is called SatSim.rc and an example SatSim.rc is shown below:
+The second resource file you need is called SatSim.rc and describes which exports of SatSim to mask with the possible masks produced by the MAPL_OrbGridComp module. An example SatSim.rc is shown below:
 <pre>