Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation
Natural vegetation is complex and its reflectance is not easy to model. The aim of this study was to adjust the Radiative Transfer Model parameters for modelling the reflectance of heterogeneous meadows and evaluate its accuracy dependent on the vegetation characteristics. PROSAIL input parameters a...
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| Format: | Article |
| Language: | English |
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Sciendo
2014-06-01
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| Series: | Miscellanea Geographica: Regional Studies on Development |
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| Online Access: | http://www.degruyter.com/view/j/mgrsd.2014.18.issue-2/mgrsd-2014-0001/mgrsd-2014-0001.xml?format=INT |
| _version_ | 1818149600544948224 |
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| author | Jarocińska Anna M. |
| author_facet | Jarocińska Anna M. |
| author_sort | Jarocińska Anna M. |
| collection | DOAJ |
| description | Natural vegetation is complex and its reflectance is not easy to model. The aim of this study was to adjust the Radiative Transfer Model parameters for modelling the reflectance of heterogeneous meadows and evaluate its accuracy dependent on the vegetation characteristics. PROSAIL input parameters and reference spectra were collected during field measurements. Two different datasets were created: in the first, the input parameters were modelled using only field measurements; in the second, three input parameters were adjusted to minimize the differences between modelled and measured spectra. Reflectance was modelled using two datasets and then verified based on field reflectance using the RMSE. The average RMSE for the first dataset was equal to 0.1058, the second was 0.0362. The accuracy of the simulated spectra was analysed dependent on the value of the biophysical parameters. Better results were obtained for meadows with higher biomass value, greater LAI and lower water content. |
| first_indexed | 2024-12-11T13:09:37Z |
| format | Article |
| id | doaj.art-5a638c27e28f46b186b1395dcbd82a9c |
| institution | Directory Open Access Journal |
| issn | 2084-6118 |
| language | English |
| last_indexed | 2024-12-11T13:09:37Z |
| publishDate | 2014-06-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Miscellanea Geographica: Regional Studies on Development |
| spelling | doaj.art-5a638c27e28f46b186b1395dcbd82a9c2022-12-22T01:06:13ZengSciendoMiscellanea Geographica: Regional Studies on Development2084-61182014-06-011825910.2478/mgrsd-2014-0001mgrsd-2014-0001Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetationJarocińska Anna M.0Department of Geoinformatics and Remote Sensing, Faculty of Geography and Regional Studies, University of WarsawNatural vegetation is complex and its reflectance is not easy to model. The aim of this study was to adjust the Radiative Transfer Model parameters for modelling the reflectance of heterogeneous meadows and evaluate its accuracy dependent on the vegetation characteristics. PROSAIL input parameters and reference spectra were collected during field measurements. Two different datasets were created: in the first, the input parameters were modelled using only field measurements; in the second, three input parameters were adjusted to minimize the differences between modelled and measured spectra. Reflectance was modelled using two datasets and then verified based on field reflectance using the RMSE. The average RMSE for the first dataset was equal to 0.1058, the second was 0.0362. The accuracy of the simulated spectra was analysed dependent on the value of the biophysical parameters. Better results were obtained for meadows with higher biomass value, greater LAI and lower water content.http://www.degruyter.com/view/j/mgrsd.2014.18.issue-2/mgrsd-2014-0001/mgrsd-2014-0001.xml?format=INTMeadowsspectral reflectanceRadiative Transfer ModelPROSAIL |
| spellingShingle | Jarocińska Anna M. Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation Miscellanea Geographica: Regional Studies on Development Meadows spectral reflectance Radiative Transfer Model PROSAIL |
| title | Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation |
| title_full | Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation |
| title_fullStr | Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation |
| title_full_unstemmed | Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation |
| title_short | Radiative Transfer Model parametrization for simulating the reflectance of meadow vegetation |
| title_sort | radiative transfer model parametrization for simulating the reflectance of meadow vegetation |
| topic | Meadows spectral reflectance Radiative Transfer Model PROSAIL |
| url | http://www.degruyter.com/view/j/mgrsd.2014.18.issue-2/mgrsd-2014-0001/mgrsd-2014-0001.xml?format=INT |
| work_keys_str_mv | AT jarocinskaannam radiativetransfermodelparametrizationforsimulatingthereflectanceofmeadowvegetation |