DOI: 10.16904/envidat.237
title: Meteorology and snow transport at S17 near Syowa, Antarctica, in austral summer 2018/2019

description: This dataset contains measurement and simulation data. The measurements characterize the standard meteorology, turbulence, and snow transport at the S17 site near Syowa Station in East Antarctica during an expedition in austral summer 2018/2019. Large-eddy simulations with sublimating particles provide additional insight into the latent and sensible heat exchange between snow and air in two example situations observed at the S17 site.
A part of the measurement data was recorded by an automatic measurement station from 10th January 2019 to 26th January 2019. This measurement station was equipped with standard meteorological sensors, a three-dimensional ultrasonic anemometer, an open-path infrared gas analyzer, a snow particle counter, an infrared radiometer for measurements of the surface temperature, and a sonic ranging sensor measuring changes in snow surface elevation. 
At a horizontal distance of approximately 500 m, a Micro Rain Radar (MRR) was installed in a tilted configuration with an elevation angle of 7° for remote sensing of blowing snow between 25th December 2018 and 24th January 2019. In addition, near-surface in-situ measurements of snow transport were performed at the location of the MRR by deploying a snow particle counter from 27th December 2018 to 24th January 2019.
The simulations cover a 18 x 18 x 6 m³ domain and reproduce the steady-state conditions during a 10-min interval with significant snow transport and another 10-min interval with negligible snow transport. We provide the model source code and the post-processed simulation data, i.e., horizontally averaged quantities as a function of height and time.
description: Resource Title: Readme
 Size: 33528 bytes
 Format: text/plain
 URL: https://www.envidat.ch/dataset/0d5870d2-19c1-42c0-b6c9-46a3db93a328/resource/3da99719-199e-4db7-84bc-dcef72df1c14/download/readme.txt
 Description: Meta data
description: Resource Title: Measurement data from micro-meteorological station
 Size: 402248169 bytes
 Format: application/zip
 URL: https://www.envidat.ch/dataset/0d5870d2-19c1-42c0-b6c9-46a3db93a328/resource/94aad4d7-ade0-4e12-90bd-54a37db679bb/download/micro-met-station.zip
 Description: Automatic in-situ measurements of micro-meteorology and snow transport
description: Resource Title: Measurement data from Micro Rain Radar (MRR)
 Size: 36829344563 bytes
 Format: .zip
 URL: https://os.zhdk.cloud.switch.ch/envicloud/doi/envidat.237/MRR/MRR.zip
 Description: Remote sensing data of blowing snow from a Micro Rain Radar (MRR).
description: Resource Title: Measurement data from snow particle counter at MRR site
 Size: 64061921 bytes
 Format: application/zip
 URL: https://www.envidat.ch/dataset/0d5870d2-19c1-42c0-b6c9-46a3db93a328/resource/ea337030-1803-40d7-b7b8-afd5d58a2395/download/spc-at-mrr-site.zip
 Description: Near-surface observations of drifting snow from a Snow Particle Counter (SPC) installed at the location of the Micro Rain Radar.
description: Resource Title: LES-LSM_code
 Size: 226304 bytes
 Format: .zip
 URL: https://gitlabext.wsl.ch/atmospheric-models/les-lsm/-/archive/master/les-lsm-master.zip
 Description: Source code of the large-eddy simulations coupled with a Lagrangian stochastic model (LES-LSM), available on GitLab.
description: Resource Title: Simulation data for a situation with significant snow transport
 Size: 3687791 bytes
 Format: application/zip
 URL: https://www.envidat.ch/dataset/0d5870d2-19c1-42c0-b6c9-46a3db93a328/resource/a1da4a3a-f9d6-4445-a542-8f09bc5e03ca/download/les-lsm_drift.zip
 Description: Data from two LES-LSM simulations called Drift_1 and Drift_2, which reproduce the conditions observed at the S17 site on 11th January 2019, 00:40 to 00:50 UTC.
description: Resource Title: Simulation data for a situation with negligible snow transport
 Size: 1991241 bytes
 Format: application/zip
 URL: https://www.envidat.ch/dataset/0d5870d2-19c1-42c0-b6c9-46a3db93a328/resource/bb6b912f-cc5c-4c21-81c2-e493004bf916/download/les-lsm_nodrift.zip
 Description: Results from two LES-LSM simulations called NoDrift_1 and NoDrift_2, which reproduce the conditions observed at the S17 site on 12th January 2019, 05:40 to 05:50 UTC.