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Petchiappan, Ashwini (author)The Amazon rainforest is among the most vital ecosystems on earth, holding about a quarter of the global terrestrial carbon sink. Since 2005, three 100-year return period droughts have occurred, the likes of which have the potential to turn the forest from a carbon sink to a source – meaning disastrous consequences for the planet. Monitoring of...master thesis 2019
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van Emmerik, T.H.M. (author)Vegetation is a crucial part of the water and carbon cycle. Through photosynthesis carbon is assimilated for biomass production, and oxygen is released into the atmosphere. During this process, water is transpired through the stomata, and is redistributed in the plant. Transpired water is refilled by uptake of water from the root zone in the...doctoral thesis 2017
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van Emmerik, T.H.M. (author), Steele-Dunne, S.C. (author), Paget, Aaron (author), Oliveira, Rafael S. (author), Bittencourt, Paulo R.L. (author), Barros, Fernanda de V. (author), van de Giesen, N.C. (author)The Amazon rainforest plays an important role in the global water and carbon cycle, and though it is predicted to continue drying in the future, the effect of drought remains uncertain. Developments in remote sensing missions now facilitate large-scale observations. The RapidScat scatterometer (K<sub>u</sub> band) mounted on the International...journal article 2017
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Van Emmerik, T.H.M. (author), Dunne, S.C. (author), Judge, J. (author), van de Giesen, N.C. (author)Microwave backscatter from vegetated surfaces is influenced by vegetation structure and vegetation water content (VWC), which varies with meteorological conditions and moisture in the root zone. Radar backscatter observations are used for many vegetation and soil moisture monitoring applications under the assumption that VWC is constant on short...journal article 2014
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Van Emmerik, T.H.M. (author)Currently, vegetation is considered a barrier to soil moisture retrieval by both passive and active remote sensing missions. Microwave emission and backscattering of vegetation is driven by the vegetation dielectric constant, which is a function of vegetation water content. The latter is a measure of root zone water availability. Understanding...master thesis 2013