Abstract
Inversion of regional rainfall by the attenuation of microwave links has been confirmed a promising method for monitoring large areas of rainfall. To further explore precipitation information from microwave links data, a reconstruct method of rainfall field using microwave links, weather radar and rain gauges is presented in this letter. We utilize mean correction factor method to adjust the rainfall field from radar by microwave links and rain gauges; and validate it by a field experiment using two microwave links, a S-band radar, and 15 rain gauges. The results show that the rainfall field can be improved significantly by joint reconstruction of microwave links, weather radar and rain gauges, and the joint reconstruction in evenly distributed area is better than that in unevenly distributed area. This method supplements an effective approach to reduce the uncertainty of single instrument and improve the rainfall field by using multiple instruments.
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