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Vegetation and Evapotranspiration

Ecohydrologic controls on vegetation density and evapotranspiration partitioning across the climatic gradients of the central United States

Ecohydrologic controls on vegetation density and evapotranspiration partitioning across the climatic gradients of the central United States

... which vegetation density, in the form of peak green leaf area index (LAI), is maximized, within upper and lower bounds, such that, in a typical season, soil moisture in the latter half of the growing season just ...

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Combining the trapezoidal relationship between land surface temperature and vegetation index with the Priestley-Taylor equation to estimate evapotranspiration

Combining the trapezoidal relationship between land surface temperature and vegetation index with the Priestley-Taylor equation to estimate evapotranspiration

... Abstract Evapotranspiration (ET) plays an important role in the hydrological ...enhanced vegetation index (EVI) is proposed based on the principle of energy ...well-watered vegetation, water-stressed ...

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Assessing Accuracy of Vegetation Index Method to Estimate Actual Evapotranspiration

Assessing Accuracy of Vegetation Index Method to Estimate Actual Evapotranspiration

... [41] Duchemin, B., Hadria, R., Erraki, S., Boulet, G., Maisongrande, P., Chehbouni, A.,... Kharrou, M. (2006). Monitoring wheat phenology and irrigation in Central Morocco: On the use of relationships between ...

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Impact of climate, vegetation, soil and crop management variables on multi-year ISBA-A-gs simulations of evapotranspiration over a Mediterranean crop site

Impact of climate, vegetation, soil and crop management variables on multi-year ISBA-A-gs simulations of evapotranspiration over a Mediterranean crop site

... use, vegetation dynamic and soil ...The vegetation dynamic is represented by the leaf area index (LAI) ...the vegetation cover which controls evapotranspiration partition- ...

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Integration of vegetation indices into a water balance model to estimate evapotranspiration of wheat and corn

Integration of vegetation indices into a water balance model to estimate evapotranspiration of wheat and corn

... Abstract. Vegetation indices (VIs) have been traditionally used for quantitative monitoring of ...daily evapotranspiration rates for corn and wheat crops at field ...

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Remote sensing vegetation index methods to evaluate changes in greenness and evapotranspiration in riparian vegetation in response to the Minute 319 environmental pulse flow to Mexico

Remote sensing vegetation index methods to evaluate changes in greenness and evapotranspiration in riparian vegetation in response to the Minute 319 environmental pulse flow to Mexico

... Enhanced Vegetation Index (EVI) and 30 m Landsat 8 satellite imagery to track evapotranspiration (ET) and the normalized difference vegetation index ...and evapotranspiration (ET) in the year ...

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Analysis of effective resistance calculation methods and their effect on modelling evapotranspiration in two different patches of vegetation in semi arid SE Spain

Analysis of effective resistance calculation methods and their effect on modelling evapotranspiration in two different patches of vegetation in semi arid SE Spain

... is evapotranspiration, or in terms of energy, latent heat flux ...of evapotranspiration that should be considered vary. In sparse-vegetation, or patch-scale heterogeneity, the plant is the roughness ...

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Ability of a soil–vegetation–atmosphere transfer model and a two source energy balance model to predict evapotranspiration for several crops and climate conditions

Ability of a soil–vegetation–atmosphere transfer model and a two source energy balance model to predict evapotranspiration for several crops and climate conditions

... the vegetation and soil sources, and the soil description for water and heat transfers is based on the force–restore Deardorff formalism (Deardorff, ...the vegetation at the displacement height plus the ...

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Evaluation of land surface model simulations of evapotranspiration over a 12 year crop succession: impact of soil hydraulic and vegetation properties

Evaluation of land surface model simulations of evapotranspiration over a 12 year crop succession: impact of soil hydraulic and vegetation properties

... Land surface models (LSMs) are relevant tools to analyse and predict the evolution of the water balance at various spa- tial and temporal scales. They describe water, carbon and energy fluxes between the surface and the ...

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Meteorological Drought Monitoring Using the Multivariate Index of SPEI (Case Study: Karun Basin)

Meteorological Drought Monitoring Using the Multivariate Index of SPEI (Case Study: Karun Basin)

... Thousmouth and Mensel [11] also analyzed the current and future drought conditions in Jordan and concluded that the six- month SPEI drought index had the highest relationship with soil moisture content and is the best ...

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Analysis of climate change effects on evapotranspiration in the watershed Uhlířská in the Jizera Mountains

Analysis of climate change effects on evapotranspiration in the watershed Uhlířská in the Jizera Mountains

... grass vegetation (Calamagrostis ...potential evapotranspiration estimation under mountain climatic ...potential evapotranspiration quantification are analysed in order to find out the most acceptable ...

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Developing an Integrated Complementary Relationship for Estimating Evapotranspiration

Developing an Integrated Complementary Relationship for Estimating Evapotranspiration

... of evapotranspiration (ET) plays a considera- ble role in the monitoring of water loss from agricultural ...current vegetation condition com- pared to the historical ...fy vegetation stress in time ...

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Phosphorus Recycling from Wastes

Phosphorus Recycling from Wastes

... Conclusions • The mean irrigation in the experiment was between 3 to 7 mm/day, the evapotranspiration between 2 and 3 mm/day in pots without and with vegetation; • Grass P uptake was sig[r] ...

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Evapotranspiration of Technical Substrates – Methodology for Calculating Evapotranspiration of Technical Substrates

Evapotranspiration of Technical Substrates – Methodology for Calculating Evapotranspiration of Technical Substrates

... calculating evapotranspiration are characterized by great differences concerning their ...and vegetation specifics during their ...of evapotranspiration only delivers 100% correct results, if it is ...

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Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas

Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas

... difference vegetation index (NDVI) of satellite data on central Yemen ...coefficients. Evapotranspiration estimates for fields for three dates of Landsat Thematic Mapper data were highly correlated with ...

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Assessment of the Relationship between Actual Evapotranspiration, Reference Evapotranspiration and Precipitation (A case study of Tono Irrigation Scheme)

Assessment of the Relationship between Actual Evapotranspiration, Reference Evapotranspiration and Precipitation (A case study of Tono Irrigation Scheme)

... The evapotranspiration (ET), which involves water evaporation from soil surfaces and vegetation transpiration, represents a fundamental development of hydrological cycle and is a key element of water ...

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Climatology based regional modelling of potential vegetation and average annual long term runoff for Mesoamerica

Climatology based regional modelling of potential vegetation and average annual long term runoff for Mesoamerica

... runoff, evapotranspiration, leaf area index and potential vegetation ...and vegetation for a region where high resolution climate time series are not available and runoff data for validation is not ...

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The influence of water table depth on evapotranspiration  in the Amazon arc of deforestation

The influence of water table depth on evapotranspiration in the Amazon arc of deforestation

... moisture recycling system. At the regional scale, the differ- ence between deep and shallow WTD is not that important. The most significant differences in ET are driven by defor- estation and strong annual variations in ...

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Evapotranspiration from extensive green roofs: influence of climatological conditions, vegetation type, and substrate depth

Evapotranspiration from extensive green roofs: influence of climatological conditions, vegetation type, and substrate depth

... of evapotranspiration (ET) in urban ...(e.g., vegetation type and substrate depth), and the optimization of green roof hydrologic and thermal ...and vegetation type on ET from green roofs ...

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A coupled stochastic rainfall–evapotranspiration model for hydrological impact analysis

A coupled stochastic rainfall–evapotranspiration model for hydrological impact analysis

... Byräns Vattenbalansavdelning model (Bergström, 1995), the NedborAfstromnings Model (Nielsen and Hansen, 1973) and the Probability Distributed Model (PDM; Moore, 2007). Al- ternatively, physically based models are based ...

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