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View article: Measurements on physical snow properties in Dronning Maud Land, Antarctica
Measurements on physical snow properties in Dronning Maud Land, Antarctica Open
Understanding the seasonal evolution of Antarctic snow is essential for interpreting satellite observations and quantifying surface mass balance in Antarctica. In this study, we present in situ measurements collected during the Finnish Ant…
View article: Soot-on-snow experiment: artificial deposition of light-absorbing particles onto snow surfaces in 2018
Soot-on-snow experiment: artificial deposition of light-absorbing particles onto snow surfaces in 2018 Open
The absorption of shortwave irradiance in snow depends on the physical properties of snow (e.g., snow grain size and shape, liquid water content, etc.) and light-absorbing particles (LAP). Originating from natural and anthropogenic sources…
View article: Uncertainty analysis of IceCube instrument to enhance accuracy of specific surface area measurements
Uncertainty analysis of IceCube instrument to enhance accuracy of specific surface area measurements Open
The specific surface area (SSA) is a measure of the snow microstructure and can be determined using an instrument called IceCube. IceCube measures the reflectance from surface of a snow sample with a 1310 nm infrared laser. In this study, …
View article: Accuracy of Manual Snow Sampling, Depending on the Sampler’s Cross-Section—A Comparative Study
Accuracy of Manual Snow Sampling, Depending on the Sampler’s Cross-Section—A Comparative Study Open
Snow sampling, either by inserting a tube through the entire snowpack or by taking samples from the vertical profile, is widely applied to measure the snow depth, density, and snow water equivalent (SWE). A comparative study of snow-sampli…
View article: Intercomparison of quantification methods for snow microstructure during the SnowAPP experiment
Intercomparison of quantification methods for snow microstructure during the SnowAPP experiment Open
Snow microstructure defines the physical, mechanical and electromagnetic properties of snow. Accurate information of snow structure is needed by many applications, including avalanche forecasting (Hirashima et al., 2008) and numerical weat…
View article: Monitoring the impact of rain-on-snow events across the Arctic with satellite data
Monitoring the impact of rain-on-snow events across the Arctic with satellite data Open
Rain-on-Snow (ROS) events change snow pack properties and in extreme cases ice layers form which affect wildlife, vegetation and soils beyond the duration of the event. Active as well as passive microwave sensors have been used in the…
View article: Towards long-term records of rain-on-snow events across the Arctic from satellite data
Towards long-term records of rain-on-snow events across the Arctic from satellite data Open
Rain-on-snow (ROS) events occur across many regions of the terrestrial Arctic in mid-winter. Snowpack properties are changing, and in extreme cases ice layers form which affect wildlife, vegetation and soils beyond the duration of the even…
View article: Towards long-term records of rain-on-snow events across the Arctic from satellite data
Towards long-term records of rain-on-snow events across the Arctic from satellite data Open
Rain-on-Snow (ROS) events occur across many regions of the terrestrial Arctic in mid-winter. Snow pack properties are changing and in extreme cases ice layers form which affect wildlife, vegetation and soils beyond the duration of the even…
View article: Retrieval and validation of forest background reflectivity from daily Moderate Resolution Imaging Spectroradiometer (MODIS) bidirectional reflectance distribution function (BRDF) data across European forests
Retrieval and validation of forest background reflectivity from daily Moderate Resolution Imaging Spectroradiometer (MODIS) bidirectional reflectance distribution function (BRDF) data across European forests Open
Information about forest background reflectance is needed for accurate biophysical parameter retrieval from forest canopies (overstory) with remote sensing. Separating under- and overstory signals would enable more accurate modeling of for…
View article: Retrieval and validation of forest background reflectivity from dailyMODIS bidirectional reflectance distribution function (BRDF) dataacross European forests
Retrieval and validation of forest background reflectivity from dailyMODIS bidirectional reflectance distribution function (BRDF) dataacross European forests Open
Information about forest background reflectance is needed for accurate biophysical parameter retrieval from forest canopies (overstory) with remote sensing. Separating under and overstory signals would enable more accurate modeling of fore…
View article: The Nordic Snow Network (NordSnowNet): Arctic research and snow data from observations and models
The Nordic Snow Network (NordSnowNet): Arctic research and snow data from observations and models Open
<p>Snow cover is an essential climate variable directly affecting the earth energy balance. Proper description and assimilation of snow cover information into hydrological, land surface, meteorological and climate models are critical…
View article: Measurement inter-comparison of bulk snow density and water equivalent of snow cover with snow core samplers
Measurement inter-comparison of bulk snow density and water equivalent of snow cover with snow core samplers Open
<p>Manually collected snow data can be considered as ground truth for many applications, such as climatological or hydrological studies. Water equivalent of snow cover (SWE) can be manually measured by using a snow tube or snow cylin…
View article: Derivation and Evaluation of a New Extinction Coefficient for Use With the n-HUT Snow Emission Model
Derivation and Evaluation of a New Extinction Coefficient for Use With the n-HUT Snow Emission Model Open
In this study, snow slab data collected from the Arctic Snow Microstructure Experiment were used in conjunction with a six-directional flux coefficient model to calculate individual slab absorption and scattering coefficients. These coeffi…
View article: Review of Yamaguchi et al.
Review of Yamaguchi et al. Open
The manuscript proposed by Satoru Yamaguchi and others provided interesting description of a study, where properties of precipitation particles were analyzed within 1-2 hours after snowfall events.SSA was observed with methane absorption m…
View article: Snow depth and density measurements with different snow core samplers in HARMOSNOW Field Campaigns
Snow depth and density measurements with different snow core samplers in HARMOSNOW Field Campaigns Open
The data correspond to snow bulk density and snow depth measured with different snow core sampler in three field campaigns carried out in mountains of Turkey, Iceland and Finland in order to assess the uncertainty of using different snow c…
View article: Snow depth and density measurements with different snow core samplers in HARMOSNOW Field Campaigns
Snow depth and density measurements with different snow core samplers in HARMOSNOW Field Campaigns Open
The data correspond to snow bulk density and snow depth measured with different snow core sampler in three field campaigns carried out in mountains of Turkey, Iceland and Finland in order to assess the uncertainty of using different snow c…
View article: Analysis of QualitySpec Trek Reflectance from Vertical Profiles of Taiga Snowpack
Analysis of QualitySpec Trek Reflectance from Vertical Profiles of Taiga Snowpack Open
Snow microstructure is an important factor for microwave and optical remote sensing of snow. One parameter used to describe it is the specific surface area (SSA), which is defined as the surface-area-to-mass ratio of snow grains. Reflectan…
View article: European In-Situ Snow Measurements: Practices and Purposes
European In-Situ Snow Measurements: Practices and Purposes Open
In-situ snow measurements conducted by European institutions for operational, research, and energy business applications were surveyed in the framework of the European Cooperation in Science and Technology (COST) Action ES1404, called “A E…
View article: Retrieval of Effective Correlation Length and Snow Water Equivalent from Radar and Passive Microwave Measurements
Retrieval of Effective Correlation Length and Snow Water Equivalent from Radar and Passive Microwave Measurements Open
Current methods for retrieving SWE (snow water equivalent) from space rely on passive microwave sensors. Observations are limited by poor spatial resolution, ambiguities related to separation of snow microstructural properties from the tot…
View article: Microstructure representation of snow in coupled snowpack and microwave emission models
Microstructure representation of snow in coupled snowpack and microwave emission models Open
This is the first study to encompass a wide range of coupled snow evolution and microwave emission models in a common modelling framework in order to generalise the link between snowpack microstructure predicted by the snow evolution model…
View article: The Cryosphere Sandells et al. 2017 Datafiles
The Cryosphere Sandells et al. 2017 Datafiles Open
JIMoutput_TC_Sandells2017.zip: These are the JIM output files used directly in modified DMRT-ML. Character $ identifies soil temperature, column headers are given for the snow parameters. Note grain diameter is given (in microns), not radi…
View article: The Cryosphere Sandells et al. 2017 Datafiles
The Cryosphere Sandells et al. 2017 Datafiles Open
JIMoutput_TC_Sandells2017.zip: These are the JIM output files used directly in modified DMRT-ML. Character $ identifies soil temperature, column headers are given for the snow parameters. Note grain diameter is given (in microns), not radi…
View article: Microstructure representation of snow in coupled snowpack and microwave emission models
Microstructure representation of snow in coupled snowpack and microwave emission models Open
This is the first study to encompass a wide range of coupled snow evolution and microwave emission models in a common modelling framework in order to generalise the link between snowpack microstructure predicted by the snow evolution model…
View article: Sodankylä manual snow survey program
Sodankylä manual snow survey program Open
The manual snow survey program of the Arctic Research Centre of the Finnish Meteorological Institute (FMI-ARC) consists of numerous observations of natural seasonal taiga snowpack in Sodankylä, northern Finland. The easily accessible measu…
View article: Arctic Snow Microstructure Experiment for the development of snow emission modelling
Arctic Snow Microstructure Experiment for the development of snow emission modelling Open
The Arctic Snow Microstructure Experiment (ASMEx) took place in Sodankylä, Finland in the winters of 2013–2014 and 2014–2015. Radiometric, macro-, and microstructure measurements were made under different experimental conditions of homogen…
View article: Arctic Snow Microstructure Experiment for the development of snow emission modelling
Arctic Snow Microstructure Experiment for the development of snow emission modelling Open
The Arctic Snow Microstructure Experiment (ASMEx) took place in Sodankylä, Finland in the winters of 2013–2014 and 2014–2015. Radiometric, macro-, and microstructure measurements were made under different experimental conditions of homogen…
View article: Sodankylä manual snow survey program
Sodankylä manual snow survey program Open
The manual snow survey program of the Arctic Research Centre of Finnish Meteorological Institute (FMI-ARC) consists of numerous observations of natural seasonal taiga snowpack in Sodankylä, northern Finland. The easily accessible measureme…