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Workflow and programming tool to derive empirical models of primary productivity. Study case in Doñana National Park wetlands : master thesis = Metodologija in modeliranje empiričnega določanja primarne produkcije: primer nacionalnega parka DoñanaFuentes Monjaraz, Mario AlbertoMultiple international agreements have emphasised the use of monitoring activities in ecosystems for better conservation of biodiversity and sustainable use of natural resources. Even though the ... monitoring activities have improved with Earth Observation products, there is still a lack of understanding and research in monitoring ecosystem functions. Primary Productivity (PP) is a process that supports most of the ecosystem functions, and its estimations is a step forward for a better understanding and monitoring of this component of biodiversity. This thesis proposes a workflow and a programming tool to produce empirical models of primary productivity and map Gross Primary Productivity (GPP) and Net Primary Productivity (NPP) in ecosystems at a local scale with high-resolution data. The workflow follows previous research on remote sensing techniques for primary productivity modelling. Specifically, the empirical method described by Cai et al. (2021) is implemented to derive GPP empirical models. A methodology is proposed to upscale the model and compute annual GPP predictions. The annual GPP predictions are finally used to approximate the annual NPP with the Carbon Use Efficiency (CUE) conceptual parameter of the ecosystems reported in previous research. The workflow is applied in a wetland ecosystem in Doñana National Park. Data scarcity in the study area limited the application of the workflow. From the original workflow targets, only a GPP model could be formulated for an 8- month period. The model predicted GPP with high performance deriving MAE = 0.52 gC m-2 day-1, RMSE = 0.63 gC m-2 day-1 and R2 = 0.93. The average 8-month GPP in the monitored ecosystem was estimated at 770.20 gC m-2. The research insights are relevant for future research on monitoring primary productivity in wetland ecosystems with empirical approaches. Especially, the use of the Red-edge Chlorophyll Index formulated with high spectral and high spatial resolution Sentinel-2 data is highlighted for further research on remote sensing modelling of primary productivity.Vrsta gradiva - magistrsko delo ; neleposlovje za odrasleZaložništvo in izdelava - Ljubljana : [M. A. Fuentes Monjaraz], 2022Jezik - angleškiCOBISS.SI-ID - 123920899
Avtor
Fuentes Monjaraz, Mario Alberto
Drugi avtorji
El Serafy, Ghada |
Sperna Weiland, Frederiek |
Spinosa, Anna |
Weerts, Albrecht
Teme
civil engineering |
master thesis |
primary productivity |
remote sensing |
eddy covariance |
ecosystem functioning |
wetlands |
sustainability. |
gradbeništvo |
magistrska dela |
VOI |
primerna produkcija |
daljinsko zaznavanje |
metoda turbulentne difuzije |
ekosistemske storitve |
mokrišča |
trajnostni razvoj
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Knjižnica/institucija |
Kraj | Akronim | Za izposojo | Druga zaloga |
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Fakulteta za gradbeništvo in geodezijo, Ljubljana | Ljubljana | FGGLJ |
v čitalnico 1 izv.
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Fuentes Monjaraz, Mario Alberto | ![]() |
El Serafy, Ghada | ![]() |
Sperna Weiland, Frederiek | ![]() |
Spinosa, Anna | ![]() |
Weerts, Albrecht | ![]() |
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