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effective snow grain size

Combined retrieval of Arctic liquid water cloud and surface snow properties using airborne spectral solar remote sensing

Combined retrieval of Arctic liquid water cloud and surface snow properties using airborne spectral solar remote sensing

... of snow, glaciers, and sea ice, which complicates the retrieval of their proper- ties because the contrast between these bright surfaces and the clouds is ...and snow are simi- ...the snow albedo is ...

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Effects of snow grain shape on climate simulations: sensitivity tests with the Norwegian Earth System Model

Effects of snow grain shape on climate simulations: sensitivity tests with the Norwegian Earth System Model

... Abstract. Snow consists of non-spherical grains of various shapes and ...calculations, snow grains are often treated as ...of snow albedo in the Snow, Ice, and Aerosol Radiation (SNICAR) model ...

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On the reflectance spectroscopy of snow

On the reflectance spectroscopy of snow

... the effective grain diameter d ) both from reflectance and albedo measurements is practically insensitive to the a priori unknown shape of ice ...the grain size d ...of snow properties ...

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Seasonal variations of the backscattering coefficient measured by radar altimeters over the Antarctic Ice Sheet

Seasonal variations of the backscattering coefficient measured by radar altimeters over the Antarctic Ice Sheet

... the snow tempera- ...surface snow temperature (Remy and Minster, ...of snow grains within the ...more effective volume scatterers and hence increases the volume echo magnitude as pre- dicted ...

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Retrieval of snow grain size and albedo of western Himalayan snow cover using satellite data

Retrieval of snow grain size and albedo of western Himalayan snow cover using satellite data

... for snow metamorphism ...standing snow of 152 cm and 163 cm were observed at these stations at 08:30 ...new snow) and increased the average effective grain ...addition, grain ...

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Simulation of the microwave emission of multi-layered snowpacks using the Dense Media Radiative transfer theory: the DMRT-ML model

Simulation of the microwave emission of multi-layered snowpacks using the Dense Media Radiative transfer theory: the DMRT-ML model

... the snow microwave emission from snow phys- ical properties takes in general two successive ...(e.g., effective dielectric constant, scattering and absorp- tion coefficients) that characterize the ...

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Retrieval of snow albedo and grain size using reflectance measurements in Himalayan basin

Retrieval of snow albedo and grain size using reflectance measurements in Himalayan basin

... seasonal snow were carried out and analysed to retrieve the snow albedo and effective grain ...retrieved snow grain sizes using different models based on the ART theory were ...

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Characteristics of Austenite Grain Refinement by High Speed Large Reduction Forging —Production Technology for Fine Grained Steel by Large Deformation Forging III—

Characteristics of Austenite Grain Refinement by High Speed Large Reduction Forging —Production Technology for Fine Grained Steel by Large Deformation Forging III—

... the grain size at 1273 K. The grain size becomes finer with increasing reduction in thickness and a spread of grain size also ...the grain size tends to be ...

6

An evaluation of different measures of dynamically recrystallized grain size for paleopiezometry or paleowattometry studies

An evaluation of different measures of dynamically recrystallized grain size for paleopiezometry or paleowattometry studies

... lized grain size in natural mylonites to estimate the mag- nitude of differential paleostress (or the rate of mechanical ...of grain size used in the literature and proposes the frequency peak ...

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SMALL GRAIN 11 Controls Grain Size, Grain Number and Grain Yield in Rice

SMALL GRAIN 11 Controls Grain Size, Grain Number and Grain Yield in Rice

... regulates grain size by promoting cell expansion in both grain-length and grain-width ...control grain size by regulating cell expansion have been reported in ...increased ...

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Linking snow depth to avalanche release area size: measurements from the Vallée de la Sionne field site

Linking snow depth to avalanche release area size: measurements from the Vallée de la Sionne field site

... area size, which is of crucial importance to evaluate the potential danger that avalanches pose to roads, railways or infrastruc- ...potential size of avalanche releases areas and is com- monly based on ...

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Fabrication and Characterization of Gas Sensor from ZrO2: MgO Nanostructure Thin Films by R.F. Magnetron Sputtering Technique

Fabrication and Characterization of Gas Sensor from ZrO2: MgO Nanostructure Thin Films by R.F. Magnetron Sputtering Technique

... (AFM), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) and sensing properties were also investigated. The average particle size of all prepared samples was found lower than 33.22nm and the ...

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Influence of grain shape on light penetration in snow

Influence of grain shape on light penetration in snow

... same snow- pack may be inadequate to model irradiance ...for snow (that cor- responds to a ratio of ...in snow is assumed equal to that of ...settled snow that has experienced meta- morphism ...

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Relating optical and microwave grain metrics of snow: the relevance of grain shape

Relating optical and microwave grain metrics of snow: the relevance of grain shape

... for snow, we have taken three samples and computed the chord length distribution directly to compare them to the prediction of ...different snow types where the basic features of the chord length ...

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CREST Snow Field Experiment: analysis of snowpack properties using multi frequency microwave remote sensing data

CREST Snow Field Experiment: analysis of snowpack properties using multi frequency microwave remote sensing data

... and snow- pack physical ...changing snow characteristics (grain size, density, temper- ature) under various meteorological conditions on the mi- crowave emission of snow and hence to ...

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SEGMENTATION AND GRAIN SIZE OF CERAMICS

SEGMENTATION AND GRAIN SIZE OF CERAMICS

... There is a direct relationship between the fabrication process, the microstructure and the properties of materials (Chermant, 1989; Tenckhoff and Vöhringer, 1990; Rice, 1997; 1998; 2000). As far as ceramics are ...

5

Accuracy of snow depth estimation in mountain and prairie environments by an unmanned aerial vehicle

Accuracy of snow depth estimation in mountain and prairie environments by an unmanned aerial vehicle

... quantify snow depth all have strengths and limitations (Pomeroy and Gray, ...manual snow sur- veys have been used to quantify snow depth and density along a ...manual snow survey- ing is that ...

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Microstructural Development in Friction Welded AZ31 Magnesium Alloy

Microstructural Development in Friction Welded AZ31 Magnesium Alloy

... is grain refinement. Fine grains whose size was approximately 2 mm were produced at the weld interface due to a hot heavy working, resulting in the increase of micro- Vickers ...The grain size ...

6

Determination the Effective of Grain Size on Gold Recovery by Integral of Sieve Analysis and Atomic Absorption Spectroscopy Methods

Determination the Effective of Grain Size on Gold Recovery by Integral of Sieve Analysis and Atomic Absorption Spectroscopy Methods

... Analyzed samples were collected from Sudan _River Nile state (Atbara region) from different depths, Transferred to the laboratory where they were dried at oven temperature (110±5) Co, the samples were grinded by ...

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Modeling Grain Structures of Some Carbon Steels using Voronoi Tesselation

Modeling Grain Structures of Some Carbon Steels using Voronoi Tesselation

... Modeled grain structures of normalized carbon steels using voronoi tessellation is reported in this ...equivalent grain size with experimental ...the grain boundaries of the carbon ...

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