Carbon Dioxide and Water Vapour Fluxes of a Alkaline Fen and Their Dependence on Reflectance

Wojciech Ciezkowski; Tomasz Edward Berezowski; Malgorzata Kleniewska; Jaroslaw Chormanski

doi:10.1109/igarss.2018.8518839

Carbon Dioxide and Water Vapour Fluxes of a Alkaline Fen and Their Dependence on Reflectance

Abstract

This study shows results of parallel measurements of greenhouse gases fluxes (carbon dioxide and water vapour) and canopy reflectance of alkaline fen. Fluxes were measured using eddy-covariance technique on micrometeorological station located in the Upper Biebrza Basin (NE Poland) in Rogożynek Village. Study site is located in the Biebrza National Park which was established to protect one of the biggest coherent lowland wetland area in the Central Europe. Statistical relations of reflectance and spectral indices with fluxes were calculated based on measurements during two growing season (2015 and 2016). Four types of functions were examined: linear, quadratic, exponential and logarithmic and for two timestamps: half-hour and day. The correlation between carbon dioxide fluxes and reflectance is better than for water vapour fluxes. For both carbon dioxide and water vapour we obtained higher correlations coefficients using selected spectral indices than using reflectance and higher correlations for daily timestamp than for half-hour fluxes.

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Category:: Conference activity
Type:: publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:: IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium strony 9253 - 9256
Language:: English
Publication year:: 2018
Bibliographic description:: Ciezkowski W., Berezowski T. E., Kleniewska M., Chormanski J.: Carbon Dioxide and Water Vapour Fluxes of a Alkaline Fen and Their Dependence on Reflectance// IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium/ : , 2018, s.9253-9256
DOI:: Digital Object Identifier (open in new tab) 10.1109/igarss.2018.8518839
Verified by:: Gdańsk University of Technology