Preprints
https://doi.org/10.5194/essd-2021-163
https://doi.org/10.5194/essd-2021-163

  24 Jun 2021

24 Jun 2021

Review status: this preprint is currently under review for the journal ESSD.

Remote and Autonomous Measurements of Precipitation for the Northwest Ross Ice Shelf, Antarctica

Mark W. Seefeldt1, Taydra M. Low2, Scott D. Landolt3, and Thomas H. Nylen4 Mark W. Seefeldt et al.
  • 1National Snow Ice and Data Center, University of Colorado Boulder, Boulder, CO, 80303, USA
  • 2Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, Boulder, CO, 80303, USA
  • 3Research Applications Laboratory, National Center for Atmospheric Research, Boulder, CO, 80301, USA
  • 4Technical University of Denmark, Copenhagen, 2800, Denmark

Abstract. The Antarctic Precipitation System project deployed and maintained four sites across the northwest Ross Ice Shelf in Antarctica from November 2017 to November 2019. The goals for the project included the collection of in situ observations of precipitation in Antarctica spanning a duration of two years, an improvement in the understanding of precipitation events across the Ross Ice Shelf, and the ability to validate precipitation data from atmospheric numerical models. At each of the four sites the precipitation was measured with an OTT Pluvio2 precipitation gauge. Additionally, snow accumulation at the site was measured with a sonic ranging sensor and using GPS-Interferometry Reflectivity. Supplemental observations of temperature, wind speed, particle count, particle size and speed, and images and video from a camera, were collected to provide context to the precipitation measurements. The collected dataset represents some of the first year-round observations of precipitation in Antarctic at remote locations using an autonomous measurement system. The acquired observations have been quality controlled, post-processed, and are available for retrieval through the United States Antarctic Program Data Center (Seefeldt, 2021; doi.org/10.15784/601441). 

Mark W. Seefeldt et al.

Status: open (until 19 Aug 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Mark W. Seefeldt et al.

Data sets

Precipitation Observations for the Northwest Ross Ice Shelf - 2017-12 to 2019-11 Seefeldt, M. https://doi.org/10.15784/601441

Mark W. Seefeldt et al.

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Short summary
The Antarctic Precipitation System project deployed and maintained four sites across in Antarctica from November 2017 to November 2019. The goals for the project included the collection of in situ observations of precipitation in Antarctica, an improvement in the understanding of precipitation in Antarctica, and the ability to validate precipitation data from atmospheric numerical models. The collected dataset represents some of the first year-round observations of precipitation in Antarctica.