REMOTE SENSING OF RAINFALL PARAMETERS BY LASER SCINTILLATION CORRELATION METHOD -NUMERICAL SIMULATION OF THE RETRIEVING

Wu Beiying; Lu Daren

doi:10.1007/BF02677248

Impact Factor: 5.8

Volume 2 Issue 3

Jul. 1985

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1985 > 2(3): 325-333

REMOTE SENSING OF RAINFALL PARAMETERS BY LASER SCINTILLATION CORRELATION METHOD -NUMERICAL SIMULATION OF THE RETRIEVING

1.
InstituteofAtmosphericPhysics.AcademiaSinica,Beijing,InstituteofAtmosphericPhysics.AcademiaSinica,Beijing

doi: 10.1007/BF02677248

Abstract
References
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Abstract:
This paper is a continuation of an earlier paper. In this paper, we investigate the stability and the representativeness of the rainfall rate h determined by the B2*-h relationship in the scintillation method of remote sensing of rain parameters, develop an adequate scheme for retrieving rainfall rate and raindrop size distribution (DSD), and finally characterize the technique by numerical simulations. The results show that the B2*-h relationship is quite stable for all the raindrop size distributions used in present simulations; the measured rainfall rate is not severely affected by the distribution of the path-weighting function of B2*. The retrieving of DSDs is successful even if the observation errors are assumed in simulations. The rainfall rates derived from the ratrieving of DSD is more accurate than those determined by B2*-h relationship. This method is superior in heavier rains.
References

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Manuscript History

Manuscript received: 10 July 1985

Manuscript revised: 10 July 1985

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

REMOTE SENSING OF RAINFALL PARAMETERS BY LASER SCINTILLATION CORRELATION METHOD -NUMERICAL SIMULATION OF THE RETRIEVING

1. InstituteofAtmosphericPhysics.AcademiaSinica,Beijing,InstituteofAtmosphericPhysics.AcademiaSinica,Beijing

Manuscript received: 1985-07-10
Manuscript revised: 1985-07-10

Abstract: This paper is a continuation of an earlier paper. In this paper, we investigate the stability and the representativeness of the rainfall rate h determined by the B2*-h relationship in the scintillation method of remote sensing of rain parameters, develop an adequate scheme for retrieving rainfall rate and raindrop size distribution (DSD), and finally characterize the technique by numerical simulations. The results show that the B2*-h relationship is quite stable for all the raindrop size distributions used in present simulations; the measured rainfall rate is not severely affected by the distribution of the path-weighting function of B2*. The retrieving of DSDs is successful even if the observation errors are assumed in simulations. The rainfall rates derived from the ratrieving of DSD is more accurate than those determined by B2*-h relationship. This method is superior in heavier rains.