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Full-Text Articles in Physical Sciences and Mathematics

Using Satellite Observations Of Soil Moisture To Improve Modeling Of Terrestrial Water Cycles, Colin W. Brust Jan 2020

Using Satellite Observations Of Soil Moisture To Improve Modeling Of Terrestrial Water Cycles, Colin W. Brust

Graduate Student Theses, Dissertations, & Professional Papers

Terrestrial evapotranspiration (ET) describes the flux of water from the Earth’s surface to the atmosphere, calculated as the sum of evaporation from soil and leaf surfaces, and transpiration through plant stomata. ET is the largest terrestrial water flux, returning over half of the precipitation that falls on land back to the atmosphere, annually. Additionally, ET plays a key role in Earth’s carbon, water, and energy cycles, linking them together via the movement of water and CO2 through plant stomata. Because of its important role in these Earth system processes, it is essential that existing methods of measuring and modeling …


Analysing The Spatio-Temporal Impacts Of The 2003 And 2010 Extreme Heatwaves On Plant Productivity In Europe, A. Bastos, C. M. Trigo, R. M. Trigo, Steven W. Running Jul 2014

Analysing The Spatio-Temporal Impacts Of The 2003 And 2010 Extreme Heatwaves On Plant Productivity In Europe, A. Bastos, C. M. Trigo, R. M. Trigo, Steven W. Running

Ecosystem and Conservation Sciences Faculty Publications

In the last decade, Europe has been stricken by two outstanding heatwaves, the 2003 event in western Europe and the 2010 episode over Russia. Both events were characterized by record-breaking temperatures and widespread socioeconomic impacts, including significant increments on human mortality, decreases in crop yields and in hydroelectric production. Previous works have shown that an extreme climatic event does not always imply an extreme response by ecosystems. This work attempts to assess how extreme was the vegetation response to the heatwaves during 2003 and 2010 in Europe, in order to quantify the impacts of the two events on carbon fluxes …