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Remote sensing of forest areas is a field of science that has gained an invaluable amount of data describingprocesses in forest ecosystems in micro- and macro-scale. In this paper, we focus on biosignatures of forests, whose detection on the nearest Earth exoplanets theoretically could be conducted on the basis of multispectral data recorded by the James Webb Space Telescope (JWST), whose mission will start in the spring 2019. In this context, we analyze possibilities and methods of detection of the following types of biosignatures: gas (e.g. O2, CO2, methane), surface (e.g. “red edge” pattern, pigment absorption bands) and spectral signatures based on variations that may result from seasonal processes in the biosphere. The results presented in this review are referred to the past studies on Mars, with the best known planetary environment besides the Earth. We postulate the usage of the forest areas remote sensing projects and modeling phenomena occurring in forest ecosystems on Earth in future exoplanet research. However, we draw attention to the need for great caution in interpreting the obtained results.

kosmos

CHARAKTERYSTYKA SPEKTRALNA EGZOPLANET O LEŚNYM TYPIE POWIERZCHNI W ZAKRESIE WIDZIALNYM I PODCZERWIENI. STAN WIEDZY PRZED ROZPOCZĘCIEM OBSERWACJI PRZEZ TELESKOP JWST