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Research Note:the Comparison of Two Models That Determine the Effects of a Vegetation Canopy on Passive Microwave Emission : Volume 3, Issue 3 (30/11/-0001)

By Burke, E. J.

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Book Id: WPLBN0003984690
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Research Note:the Comparison of Two Models That Determine the Effects of a Vegetation Canopy on Passive Microwave Emission : Volume 3, Issue 3 (30/11/-0001)  
Author: Burke, E. J.
Volume: Vol. 3, Issue 3
Language: English
Subject: Science, Hydrology, Earth
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Gurney, R. J., Wigneron, J., & Burke, E. J. (-0001). Research Note:the Comparison of Two Models That Determine the Effects of a Vegetation Canopy on Passive Microwave Emission : Volume 3, Issue 3 (30/11/-0001). Retrieved from http://hawaiilibrary.net/


Description
Description: Institute of Hydrology, Crowmarsh Gifford, Wallingford, Oxon, OX10 8BB, UK. Two contrasting models are used to account for the effects of vegetation on microwave emission from the soil. These are: a simple model which requires two empirically derived parameters as input data (optical depth and single scattering albedo); and a complex discrete model which requires a detailed description of all of the components of the vegetation canopy. Both models account effectively for the vegetation, although the simple model takes a fraction of the computation time compared to the discrete model. However, the simple model was fitted to the data, whereas the discrete model used measured parameters as input. In addition to predicting the microwave brightness temperature, the discrete model also calculates the optical depth and single scattering albedo. These calculated values were in agreement with those fitted using the simple model. Therefore, it is suggested that the discrete model could be used to calculate the input parameters for the simple model.

Summary
Research Note:The comparison of two models that determine the effects of a vegetation canopy on passive microwave emission

 

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