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Ground-based Validation of GPM/DPR

The Global Precipitation Measurement (GPM) mission is an expanded follow-on mission to TRMM (Tropical Rainfall Measuring Mission) and GPM core satellite carries dual frequency precipitation radar (DPR) and GPM Microwave Imager on board. The DPR is expected to advance precipitation science by expanding the coverage of observations to higher latitudes than those of the TRMM/PR, measuring snow and light rain by the KaPR, and providing drop size distribution information based on the differential attenuation of echoes at two frequencies. After launch of GPM core satellite JAXA will perform evaluation of DPR L2 products, for example, precipitation rate, measured radar reflectivity, and drop size distribution. Those physical values will be compared with ground-based observations. This poster presentation will show the preliminary report of DPR evaluation comparison between DPR products and ground-based instruments during the first 2 months after launch, including a ground-based Ka-band radar system.

In recent years, we cannot avoid facing issues on global environmental changes that occur in various spatiotemporal scales. The earth environmental observation data by satellites became the necessary basic data to tackle and solve those issues. Due to the recent advancement in the observation sensor technique and the data processing technique, the satellite observation has been showing rapid progress, and the time is changing from examining the accuracy of the observation sensor data to the advancement of the data application, leading to broaden potential users. Although earth environmental remote sensing studies  tended to be discussed separately in the individual conference so far, in these days where application became synergetic, we comprehensively pick up  this topic in the Atmospheric and  Hydrospheric Sciences Session of this  Union Meeting that enables to comprise  the atmospheric, oceanic and land sciences; by combining the intelligence  and the knowledge of the party, we propose a session that aims to prompt further studies towards the issues on earth environmental change and the advancement in the data application.

Satellite Earth Environment Observation

Japan Geoscience Union Meeting 2014

Presentation Information

[ACG06-P06]Ground-based Validation of GPM/DPR

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