POD

Held 18-20 October 2011, Moscow, Russia.

Held 15-17 October 2013, Moscow, Russia.

Held 26-27 November 2018, Arkhangelsk, Russia. IOP Conference Series: Earth and Environmental Science Volume 263

Held 2 November 2016, Washington, DC, USA.

Held 17 November 2017, Washington, DC, USA.

Held 13 September 2019, Washington, DC, USA.

Held 7-9 February 2011, Houston, Texas, USA.

Held 3-5 December 2012, Houston, Texas, USA.

Held 10-12 February 2014, Houston, Texas, USA.

Held 24-26 October 2016. St. John's, Canada.

Held 23-25 March 2015, Copenhagen, Denmark.

Held 5-7 November 2018, Houston, Texas, USA.