Portuguese research on permafrost and periglacial environments in 2015 was conducted within the following projects.

- Permafrost and climate change in the Antarctic Peninsula. Long-term permafrost and active layer monitoring and modelling (PERMANTAR-3, PI: Gonçalo Vieira, Univ. Lisbon) continued in 2015, with field parties in Livingston Island, King George Island, Deception Island, Cierva Cove and Palmer archipelago. Cooperation with Spain, Brazil, Bulgaria, Argentina, Chile, South Korea and the USA. Alice Ferreira and João Branco conducting PhD theses.

- Arctic development and adaptation to permafrost in transition – Portuguese branch (ADAPT-PT2, PI: João Canário, Univ. Lisbon), with field activities on thaw lake chemistry and UAV surveying in the region of Kuujjuarapik-Whapmagoostui and Umiujaq, Northern Quebec, Canada. Cooperation with Canada.

- Integrated geological, geochemical and permafrost studies in Fildes Peninsula, King George Island, Antarctica (GEOPERM, PI: Pedro Ferreira, LNEG), focusing on high resolution geological characterization and mapping. Cooperation with Brazil.

- Holocene environmental change in the Maritime Antarctic: Interactions between permafrost and the lacustrine environment (HOLOANTAR, PI: Marc Oliva, Univ. Lisbon). The field activities continued in Byers Peninsula, Livingston Island with extensive laboratory work conducted along the year. Cooperation with Spain, UK, Canada, Brazil, Uruguay and the Czech Republic.

- Very high resolution imaging for detailed surface mapping in ice-free areas of Maritime Antarctica – Part 3 (HISURF-3, PI: Pedro Pina, Univ. Lisbon), focused on high resolution UAV surveying for vegetation and geomorphological mapping in the ice-free areas of Barton Peninsula. Cooperation with South Korea.

- Reaction of permafrost and landforms to climate in the Maritime Antarctic and risk for the infrastructure and environment. (CO-PIs: Gonçalo Vieira and Gabriel Goyanes). Surveying of Antarctic infrastructures using UAV and implementation of new permafrost boreholes near infrastructure in Dundee Island, Northern Antarctic Peninsula. Bilateral cooperation Portugal-Argentina.

- Does permafrost exist in the High Atlas mountains? Morocco. (PI: Gonçalo Vieira and Ali Faleh). Installation of a network of air and ground surface temperature loggers in the Middle and High Atlas, up to the Djebel Toubkal (4167 m) in order to assess the potential for permafrost occurrence. Collaboration between Universities of Lisbon and Université Sidi Mohammed Ben Abdellah of Fès (Morocco).

- Paleoenvironmental reconstruction of periglacial environments in the serra da Estrela, Central Portugal. Alexandre Nieuwendam continues his PhD dissertation research under supervision of G. Vieira. Focus on sedimentological analysis of slope deposits.

- Marc Oliva continued cooperative research with Spanish universities on mountain periglacial environments of the mountains of the Iberian Peninsula, with field research in the Sierra Nevada, Picos de Europa and the Pyrenees.

Portuguese scientists continued participation in the Expert Group on Antarctic Permafrost and Soils (ANTPAS - SCAR/IPA, co-chair G. Vieira), and have joined IASC with national representatives at the Terrestrial (J. Canário) and Cryosphere (G. Vieira) Working Groups.

Report prepared by Gonçalo Vieira (vieira@campus.ul.pt)