The Aerosol Cloud Ecosystem Mission was recommended by the 2007 NRC decadal survey. ACE is presently in pre-formulation and will be realized in some form.

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Presentation transcript:

The Aerosol Cloud Ecosystem Mission was recommended by the 2007 NRC decadal survey. ACE is presently in pre-formulation and will be realized in some form in the early to mid ’20s. ACE is a response to the 1)The extreme sensitivity of the climate system to hydrological processes especially clouds and precipitation 2)The difficulty of climate and smaller scale models to accurately represent those processes 1)These processes are the transitional phases between clouds and precipitation. 3)ACE is a response to the successful A-Train and GPM missions that showed how multiple instrument synergy could contribute to our understanding. 1)The Radar Definition Experiment (RADEX) is designed to assist in defining the characteristics of the ACE payload by collecting remote sensing and in situ data from which the mission requirements can be defined.

ACE Goals and Plans for OLYMPEX/RADEX Goals Collect datasets suitable for retrieval case studies – target transitional processes where clouds produce precipitation o Exploit Multi-instrument synergy o Cloud vertical motion with cloud and precipitation μphysics o Study Tradeoffs between Instrument requirements and retrieval uncertainty Resources o ER Science hours (~8 2 flights per week) o 15 additional Citation hours o Begin ops ~1 week after olympex start o End ops ~1 week prior to olympex end Primary Targets: (more details on Thursday) Marine shallow convection with light precipitation (post-frontal) o Focus: Spatial inhomogeneity and mixed-phase Mixed phase process (riming, aggregation, ice production) and precipitation (in off-shore narrow-band cold/occluded fronts) o Focus: embedded/intense convection within the front o Focus: impact of radar attenuation and multiple scattering on retrievals Light precipitation and virga in prefrontal/warm sector clouds

eMAS VIS-IR imager (not hyperspectral) eMAS VIS-IR imager (not hyperspectral) 1.EXRAD (X-band radar) 2.AirMSPI (VIS-SWIR multiangle imaginging polarimeter) 1.EXRAD (X-band radar) 2.AirMSPI (VIS-SWIR multiangle imaginging polarimeter) nose superpod Q-bay superpod, (unpressurized aft) CPL Lidar Backscatter CPL Lidar Backscatter GMI CRS W-band radar CRS W-band radar HIWRAP Ka/Ku- band radar HIWRAP Ka/Ku- band radar AMPR Passive Microwave ~ GHz AMPR Passive Microwave ~ GHz ER-2 Payload for RADEX - OLYMPEX