CMONOC观测约束下的中国大陆地区MODIS PWV校正

doi:10.11947/j.AGCS.2019.20180386

测绘学报 ›› 2019, Vol. 48 ›› Issue (10): 1207-1215.doi: 10.11947/j.AGCS.2019.20180386

• 大地测量学与导航 • 下一篇

CMONOC观测约束下的中国大陆地区MODIS PWV校正

刘备¹, 王勇¹, 娄泽生¹, 占伟²

1. 天津城建大学地质与测绘学院, 天津 300384;
2. 中国地震局第一监测中心, 天津 300180

收稿日期:2018-08-16 修回日期:2019-01-20 出版日期:2019-10-20 发布日期:2019-10-24
通讯作者: 王勇 E-mail:wangyongjz@126.com
作者简介:刘备(1992-),男,硕士,研究方向为GNSS气象学。E-mail:liu58776408@163.com
基金资助:
天津市自然科学基金（17JCYBJC21600）；河北省自然科学基金（D2015209024）

The MODIS PWV correction based on CMONOC in Chinese mainland

LIU Bei¹, WANG Yong¹, LOU Zesheng¹, ZHAN Wei²

1. School of Geology and Geomatics, Tianjin Chengjian University, Tianjin 300384, China;
2. The First Monitoring and Application Center, China Earthquake Administration, Tianjin 300180, China

Received:2018-08-16 Revised:2019-01-20 Online:2019-10-20 Published:2019-10-24
Supported by:
The Natural Science Foundation of Tianjin (No. 17JCYBJC21600);The Natural Science Foundation of Hebei Province (No. D2015209024)

摘要/Abstract

摘要： 基于CMONOC提供的GNSS观测和气象资料，开展中国大陆地区不同气候类型的MODIS PWV校正研究。首先依据不同气候类型，开展GNSS PWV与MODIS PWV的相关性分析；然后基于GNSS PWV构建不同气候类型的MODIS PWV校正模型；最后根据MODIS PWV、模型校正的MODIS PWV分别与GNSS PWV比较，开展模型改进效果检验。研究表明：不同气候类型的MODIS PWV校正模型，均能有效改善MODIS PWV精度，提高MODIS PWV在短期天气预报和InSAR大气校正的应用。

关键词: CMONOC, GNSS, 水汽, MODIS, 校正模型

Abstract: It was carried out for calibration of MODIS PWV in different climates in Chinese mainland based on GNSS observations and meteorological data provided by CMONOC. Firstly, it was carried out for the correlation analysis of GNSS PWV and MODIS PWV, based on the different climate types. And then, it was constructed for the correction-model of MODIS PWV by different climate types based on GNSS PWV. It was carried out for improved effect according to the measured GNSS PWV and the interpolation effect comparison before and after the calibration of MODIS PWV. The MODIS PWV correction model of different climate types can be used to effectively improve the precision of MODIS PWV. It can be used in the application of MODIS PWV in short-term weather forecast and InSAR atmospheric correction.

Key words: CMONOC, GNSS, PWV, MODIS, correction-model

中图分类号:

P228

刘备, 王勇, 娄泽生, 占伟. CMONOC观测约束下的中国大陆地区MODIS PWV校正[J]. 测绘学报, 2019, 48(10): 1207-1215.

LIU Bei, WANG Yong, LOU Zesheng, ZHAN Wei. The MODIS PWV correction based on CMONOC in Chinese mainland[J]. Acta Geodaetica et Cartographica Sinica, 2019, 48(10): 1207-1215.

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CMONOC观测约束下的中国大陆地区MODIS PWV校正

The MODIS PWV correction based on CMONOC in Chinese mainland

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