A comparison on the soil moisture retrieval algorithms by using passive microwave remote sensing data

Yuei An Liou, Tzu Yin Chang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Microwave radiometry remote sensing has been considered as a major technique to determine and quantify the state and amount of soil moisture. In this paper, we compare and evaluate four soil moisture retrieval algorithms developed by Jackson (1993), Liou et al. (1999), Macelloni et al. (2000) and Paloscia et al. (2001). Data used to analyze the performance of these retrieval algorithms includes TRMM-TMI data acquired in 1998 and 2001, and AMSR-E data taken in July 2006. The result indicates that the soil moisture retrieval algorithm developed by Liou et al. (1999) has better correlation and less bias as compared with the in situ measurements. The Liou model is further applied to study the spatial variability of the soil moisture in the Tibetan Plateau and has achieved a promising result. In future, we will attempt to further refine the Liou model for global soil moisture study.

原文???core.languages.en_GB???
主出版物標題28th Asian Conference on Remote Sensing 2007, ACRS 2007
頁面2176-2181
頁數6
出版狀態已出版 - 2007
事件28th Asian Conference on Remote Sensing 2007, ACRS 2007 - Kuala Lumpur, Malaysia
持續時間: 12 11月 200716 11月 2007

出版系列

名字28th Asian Conference on Remote Sensing 2007, ACRS 2007
3

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???event.eventtypes.event.conference???28th Asian Conference on Remote Sensing 2007, ACRS 2007
國家/地區Malaysia
城市Kuala Lumpur
期間12/11/0716/11/07

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