Assessment of the Benefits of Extending the Tropical Rainfall Measuring Mission A Perspective from the Research and Operations Communities: Interim Report (2006) / Chapter Skim
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1 Introduction
1 Introduction
Pages 11-16
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From page 11... ...
In particular, the committee and workshop participants were asked to consider: · scientific and research contributions of TRMM to date and those expected if TRMM is continued; · operational contributions of TRMM to date and those expected if TRMM is continued; · assessment of expected benefits of continuing TRMM operation until (1) fuel is depleted to the level needed for a controlled reentry (around December 2005)
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From page 12... ...
A series of appendixes provides supporting information that is referenced in the body of the report. AUDIENCE FOR THE REPORT The audience for this report includes NASA and the Japan Aerospace Exploration Agency (JAXA)
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From page 13... ...
All of these satellites will carry passive microwave sensors for rainfall estimation. Key sensors onboard the core spacecraft will be a dualfrequency precipitation radar and a multichannel microwave imager.
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From page 14... ...
It provides three-dimensional profiles of storm struc ture as well as intensity and vertical and horizontal distribution of precipitation and precipitation type. · TMI is a multichannel, dual-polarized, conically scanning passive micro wave instrument designed to provide quantitative estimates of rainfall, water va por, cloud water content, and sea surface temperature by measuring the minute amounts of microwave energy emitted from Earth and its atmosphere.
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From page 15... ...
, and the dual-frequency precipitation radar will assist in reducing uncertainty due to raindrop size variability and also measure lighter precipitation than TRMM. The GPM launch is currently projected for 2010 at the earliest.2 2As stated by Mary Cleave, NASA, at the committee's November 8, 2004, workshop.
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From page 16... ...
4. What is the relationship between precipitation and changes in boundary conditions at Earth's surface (e.g., sea surface temperature, soil properties, vege tation)
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