RESOURCE: An international initiative for atmospheric research at the poles

4 Dec 2017, 11:00
15m
Meridian Room (Royal Observatory of Belgium)

Meridian Room

Royal Observatory of Belgium

Ringlaan 3, 1180 Brussels, Belgium

Speaker

Dr Lucilla Alfonsi (Istituto Nazionale di Geofisica e Vulcanologia)

Description

While the users of radio devices often consider the atmospheric contribution to their radio measurements to be a source of error that needs to be corrected, deleted, or mitigated, atmospheric scientists who rely on radio techniques have a common interest: to isolate the atmospheric contribution and use it in the study of the near-earth space environment. Currently, several instruments working on radio frequencies are extensively used to probe the atmosphere. These instruments include VLF, VHF, UHF, and HF radars, GNSS receivers, radio beacons, and microwave humidity sounders on satellites. Used independently and in combination, these devices have contributed significantly to the advancement of the knowledge of the atmosphere physics. However, several questions remain open and need to be addressed with a synergistic approach requiring the involvement of various research groups in the field. To move in this direction, a task force of radio scientists, formed within the Scientific Committee of Antarctic Research (SCAR) Expert Group GRAPE (GNSS Research and Application for Polar Environment), has proposed a new international initiative: RESOURCE (Radio Sciences Research on AntarctiC AtmospherE).

Summary

The proposed SCAR scientific programme RESOURCE aims to gather the communities that investigate the polar atmosphere, with particular reference to Antarctica, by means of radio probes into a common shared initiative. The scope is to improve the current understanding of the Antarctic atmosphere sharing the expertise and the experience achieved by several scientific teams in the world, thus facilitating the advancement in the field and avoiding any duplication of activities already in action. SCAR is the best framework to create the necessary environment to assess the actual current understanding and to address the efforts to fill the gaps. The radio techniques enabled by ground and satellite-based sensors have proved to be very effective when probing the lower, middle and upper atmosphere. Several communities have used these techniques to extract the atmospheric contribution from their measurements (as in the case of geodesy). However, these communities do not sufficiently interact amongst themselves. RESOURCE takes advantage of the experience of the Expert Group GRAPE (GNSS Research and Application for Polar Environment), which has demonstrated the potentialities of the GNSS data and expertise sharing to monitor and observe the atmosphere. The proposed scientific programme RESOURCE will build upon this important legacy by enhancing interactions between the scientists who measure. This paper aims to present RESOURCE also to attract additional participants potentially interested to join the initiative.

Primary authors

Dr Lucilla Alfonsi (Istituto Nazionale di Geofisica e Vulcanologia) Dr Nicolas Bergeot (Royal Observatory of Belgium)

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