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Bare soil

Development and evaluation of an efficient soil-atmosphere model (FHAVeT) based on the Ross fast solution of the Richards equation for bare soil conditions

Development and evaluation of an efficient soil-atmosphere model (FHAVeT) based on the Ross fast solution of the Richards equation for bare soil conditions

... new soil hydraulic function formalisms as well as new processes (soil heat transfer and surface energy ...the soil water and heat transfer model to other processes such as root uptake, solute trans- ...

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A qualitative description of shallow groundwater effect on surface temperature of bare soil

A qualitative description of shallow groundwater effect on surface temperature of bare soil

... affects soil temperature in different and con- tradicting ...categories: soil surface albedo, soil emissivity, evaporation, soil thermal con- ductivity and volumetric heat ...increasing ...

8

Shallow groundwater effect on land surface temperature and surface energy balance under bare soil conditions: modeling and description

Shallow groundwater effect on land surface temperature and surface energy balance under bare soil conditions: modeling and description

... ably higher soil moisture and latent heat flux in this profile (Fig. 5a and d). Land surface temperature and hence sensible heat flux of GWP were remarkably lower both day and night (Fig. 5b and e). Net radiation ...

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Water Erosion in Different Slope Lengths on Bare Soil

Water Erosion in Different Slope Lengths on Bare Soil

... the soil and contaminates the environment, and one influential factor on erosion is slope ...of soil (SL) and water (WL) in a Humic Cambisol in a field experiment under natural rainfall conditions from July ...

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Model to support the evaluation of the impact of the use and management of the soil on the water balance

Model to support the evaluation of the impact of the use and management of the soil on the water balance

... ABSTRACT. The purpose of this work was to develop a hydrological model for the simulation of the water balance in agricultural areas. The model uses a double exponential equation to represent the rainfall profile and ...

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Radarsat backscattering from an agricultural scene (1)

Radarsat backscattering from an agricultural scene (1)

... The third region of the backscattering dispersion diagrams (Figures 1 to 3) groups fields with back- scattering values higher than -7 dB. These targets are considered rough in the radar C frequency region (see case c in ...

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Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements

Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements

... Abstract. Parameterizations of aerodynamic resistance to heat and water transfer have a significant impact on the ac- curacy of models of land – atmosphere interactions and of estimated surface fluxes using ...

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Effects of vegetation structure on biomass accumulation in a Balanced Optimality Structure Vegetation Model (BOSVM v1.0)

Effects of vegetation structure on biomass accumulation in a Balanced Optimality Structure Vegetation Model (BOSVM v1.0)

... from bare soil while having maximum carbon gain due to a large Leaf Area ...and bare soil determines a transition between a “survival” state to a “growing” ...

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3D LAND COVER CLASSIFICATION BASED ON MULTISPECTRAL LIDAR POINT CLOUDS

3D LAND COVER CLASSIFICATION BASED ON MULTISPECTRAL LIDAR POINT CLOUDS

... (blue), bare soil (olive), lawn (beryl green), road (grey), low vegetation (light green), medium vegetation (malachite green), high vegetation (dark green), building (red) and power line (solar ...

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Relationship between soil organic matter fractions and cover plants in Olive post planting

Relationship between soil organic matter fractions and cover plants in Olive post planting

... of soil degradation, compromising soil productivity and ...As soil organic matter (SOM) is a key indicator of quality, this study aimed to evaluate the effect of different olive tree managements on ...

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Configuration and specifications of an Unmanned Aerial Vehicle (UAV) for early site specific weed management.

Configuration and specifications of an Unmanned Aerial Vehicle (UAV) for early site specific weed management.

... and bare soil were significant in the vegetation indices studied (Excess Green Index, Normalised Green-Red Difference Index and Normalised Difference Vegetation Index), mainly at a 30 m ...and bare ...

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A bare ground evaporation revision in the ECMWF land-surface scheme: evaluation of its impact using ground soil moisture and satellite microwave data

A bare ground evaporation revision in the ECMWF land-surface scheme: evaluation of its impact using ground soil moisture and satellite microwave data

... coupled bare soil-canopy processes and the ability of land surface models to simulate bare soil pro- cesses has also been of interest (Desborough et ...(ECMWF) soil moisture products ...

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INDICADORES DE FERTILIDADE DE UM ARGISSOLO ESTRUTURALMENTE FRÁGIL SOB EFEITO DA CALAGEM E DA COBERTURA MORTA

INDICADORES DE FERTILIDADE DE UM ARGISSOLO ESTRUTURALMENTE FRÁGIL SOB EFEITO DA CALAGEM E DA COBERTURA MORTA

... the bare soil plus liming treatments (BL) and the one of the highest amount of mulching (6M), whose photosynthetic sur- faces was practically identical, differences in grain yield can be noticed: a 23% ...

6

Losses of soil, water, organic carbon and nutrients caused by water erosion in different crops and natural savannah in the northern Amazon

Losses of soil, water, organic carbon and nutrients caused by water erosion in different crops and natural savannah in the northern Amazon

... of bare soil, the effect was inverted due to the absence of protection of the vegetal cover, which obviously provided greater losses of organic ...of soil, since it is important in maintenance of ...

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Pasture degradation modifies the water and carbon cycles of the Tibetan highlands

Pasture degradation modifies the water and carbon cycles of the Tibetan highlands

... lems on the Tibetan Plateau. Most influential is the strong diurnal cycle of the surface temperature, observed in dry conditions over bare soil or very low vegetation, leading to overestimation of surface ...

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ESTIMATING CROP COEFFICIENTS FOR CORN DURING AN EVAPOTRANSPIRATION EXPERIMENT ON AN OXISOL IN BRAZIL

ESTIMATING CROP COEFFICIENTS FOR CORN DURING AN EVAPOTRANSPIRATION EXPERIMENT ON AN OXISOL IN BRAZIL

... The actual evapotranspiration of the crops and weeds and the actual evaporation of bare soil were obtained from the water balance equation and this for two periods under different crop r[r] ...

9

SUB-PIXEL ESTIMATION OF TREE COVER AND BARE SURFACE DENSITIES

SUB-PIXEL ESTIMATION OF TREE COVER AND BARE SURFACE DENSITIES

... cover, bare surface and ...For bare surface estimation, training data comprised all non-vegetated features, except ...roads, bare soil, rocks and among others called bare ...

6

Water in the critical zone: soil, water and life from profile to planet

Water in the critical zone: soil, water and life from profile to planet

... the soil surface, overland flow is generated either when rainfall exceeds the infiltration capacity (Horton, 1933) or when the surface soil is saturated (Hewlett and Hib- bert, 1967; Dunne and Leopold, ...

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Disentangling plant establishment in sandy coastal systems: biotic and abiotic factors that determine Allagoptera arenaria (Arecaceae) germination

Disentangling plant establishment in sandy coastal systems: biotic and abiotic factors that determine Allagoptera arenaria (Arecaceae) germination

... on bare soil, and acting as nucleus of vegetation patches (Zaluar & Scarano ...increased soil nutrient content, shade, and decreased wind velocity (Menezes & Araujo ...

8

The effect of leaf litter cover on surface runoff and soil erosion in Northern China.

The effect of leaf litter cover on surface runoff and soil erosion in Northern China.

... Table 3. Generally, the most runoff took place in the control plot (bare soil). The mean amount of runoff in the QVL and PTL cover plots was lowered by 29.5% and 31.3% compared to the bare plot, ...

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