18th February - Guest lecture on Polar sea ice and global climate for the American University Environmental Sciences undergraduate class (invited by Dr. Karen Knee).
31st January - Presented on recent developments with the NESOSIM snow on sea ice model at the NASA-ESA Snow on Sea Ice meeting, College Park, MD.
10th December - Presented on winter Arctic sea ice tyhickness variability and co-convener for the Polar Atmospheres session at the American Geophysical Union fall meeting, Washington DC.
18th November - Paper on The NASA Eulerian Snow on Sea Ice Model (NESOSIM): Initial model development and analysis accepted for publication in Geoscientific Model Development.
4th October - Paper on Warm Arctic, increased winter sea-ice growth? accepted for publication in Geophysical Research Letters!
7th September - Invited presentation on Deriving Sea Ice Thickness from ICESat-2: From Freeboard to Thickness via Snowfall for the NASA GSFC SED Director's seminar series.
26th July - Paper on Intercomparison of precipitation estimates over the Arctic Ocean and its peripheral seas from reanalyses by Boisvert et al accepted for publication in Journal of Climate!
22nd-23rd June - Presentations on A new snow depth budget model and dataset over the polar oceans & Arctic winter warming events at the POLAR 2018 meeting in Davos.
18th-22nd June - Ran an IASC-funded focus-group discussion on extreme events in the Arctic. A more detailed summary to follow shortly!
7th May - New discussion paper on "The NASA Eulerian Snow on Sea Ice Model (NESOSIM): Initial model development and analysis" available in Geoscientific Model Development.
9th-13th April - Attended the NSF-sponsored Arctic System Change Workshop in Boulder, Colorado.
20th March - New commentary paper on "A possible link between winter Arctic sea ice decline and a collapse of the Beaufort High?" published in Geophysical Research Letters!
28th February - Lots of media interest surrounding this winter's extreme Arctic warming.
14th February - Talk at the AGU Ocean Sciences meeting on the Energetics of the Beaufort Gyre and its link to freshwater dynamics.
6th February - Paper on "The Arctic sea ice cover of 2016: A year of record-low highs and higher-than-expected lows" now published in The Cryosphere.
23rd January - Talk at the NASA ESA Snow on Sea Ice meeting on our NASA Eulerian Snow on Sea Ice Model (NESOSIM).
17th January - Talk at the NASA GSFC Climate and Radiation lab seminar series on Precipitation, accumulation and sea ice thickness over the Arctic Ocean.
2nd January - Paper on "The Arctic sea ice cover of 2016: A year of record low highs and higher than expected lows" accepted for publication in The Cryosphere.
18th December - Talk to the NASA Goddard Applied Sciences working group on Applied sea ice science at NASA.
13th December - Interviewed for a Yale Environment-360 article on: the Arctic Ocean's Beaufort Gyre and what a release of its freshwater might mean for Europe.
12th December - Presented a poster on Winter Arctic sea ice growth at the American Geophysical Union confernece in New Orleans.
20th October - Webinar on Rapid declines in Arctic sea ice: what does this mean for Alaska? to the Alaskan National Park Service.
14th October - Interviewed by Canadian Global National News for their story on the Weddell Polynya .
12th October - Interview with Raven Radio on my Sitka Scientist in Residency fellowship.
9th October - Scientist in Residency at the Sitka Science Center, Alaska for three weeks (half sabatical, half public outreach).
9th October - Paper on "The Arctic sea ice cover of 2016: A year of record low highs and higher than expected lows" posted in The Cryosphere Discussions (open peer review).
8th August - Invited speaker at the US Clivar summit, Baltimore, on "Improving our understanding of Antarctic sea ice with NASA's Operation IceBridge and the upcoming ICESat-2 mission".
1st August - Paper on "Improving our understanding of Antarctic sea ice with NASA's Operation IceBridge and the upcoming ICESat-2 mission" published (not peer reviewed) by US Clivar Variations.
26th July - Paper on "Arctic Ocean surface geostrophic circulation 2003-2014" by Armitage et al., now published in The Cryosphere!
20th July - Paper on "Ice and ocean velocity in the Arctic marginal ice zone: Ice roughness and momentum transfer" by Cole et al., accepted for publication in Elementa: Science of the Anthropocene.
15th July - Promoted by ESSIC, University of Maryland to Assistance Research Scientist!
26th June - Paper on "Arctic Ocean geostrophic circulation 2003-2014" by Armitage et al., accepted for publication in The Cryosphere.
19th June - Paper on "Atmospheric form drag over Arctic sea ice using remotely sensed ice topography observations" by Petty et al., accepted for publication in JGR-Earth's Surface!
12th May - Paper on "Increasing frequency and duration of Arctic winter warming events" by Graham et al., accepted for publication in GRL.
10th April - New member of the US IASC delegation and selected as a member of the steering committee of the IASC Cryosphere WG.
4th April - Attended the International Arctic Science Council (IASC) and Arctic Science SUmmit Week (ASSW) meetings in Prague, Czech Republic.
29th March - Presented my Arctic sea ice forecasting results the Polar Prediction workshop in Bremerhaven, Germany.
10th March - Paper on Arctic Ocean geostrophic currents now up on The Cryosphere Discussions.
2nd March - Arctic sea ice forecasting paper is out now in JGR Earth's Future!, along with a great NASA video/press release.
25th February - Completed a one month visit to NCAR, Boulder, CO, to work on Arctic sea ice thickness variability.
21st January - Sea Ice Prediction Network Sea Ice Outlook post-season report pubished online (co-author of the report as a member of the SIO action team).
19th January - Paper on Skillful spring forecasts of September Arctic sea ice extent using passive microwave sea ice observations accepted for publication in JGR Earth's Future.
17th January 2017 - Joined 'Climate Feeedback as a scientific reviewer of climate science media coverage.
13th December - Presented my atmospheric form drag over Arctic sea ice results at the 2016 American Geophysical Union Fall meeting, San Francisco.
1st December - Unmanned aerial vehicle (UAV) sea ice research test day at the United States Naval Academy (USNA) Polar Research Day, Annapolis, MD.
14th November - 'NASA data visualization of our extreme Arctic cyclone paper. Featured in the Daily Mail, Discover magazine and several other international news outlets.
26th October - Participant on NASA's Operation IceBridge 2016 Antarctic deployment from Punta Arenas, Chile.
20th September - Embarking on the 2016 JOIS/BGEP cruise around the Beaufort Gyre. Check out my blog 'Searching for Sea Ice' on NASA's Notes from the Field.
1st September - Recommendation and quote for the NASA Earth Observatory Image of the Day: 'A Polynya Seldom Seen'
17th August - Paper on: 'The impact of the extreme winter 2015/2016 Arctic cyclone on the Barents-Kara seas' by Boisvert et al. was accepted for publication in Monthly Weather Review!
22nd July - Attended the Polar Research Coordination Network (RCN) sea ice hackathon at the Extreme Science and Engineering Discovery Environment (XSEDE) 2016 conference in Miami
20th June- NASA-GSFC Cryospheric Sciences Python (CRYOTHON) Meetup group is up and running! Check out some information I put together on getting started with Python, and a few (hopefully) useful examples of Python in action on my GitHub
1st June- Final versions of "Characterizing Arctic sea ice topography using high-resolution IceBridge data" and "Sea ice circulation around the Beaufort Gyre: The changing role of wind forcing and the sea ice state" published online.
23rd May - Blog on: "Sea ice circulation around the Beaufort Gyre" hosted on Neven's Arctic sea ice blog (http://neven1.typepad.com/blog/2016/05/alek-petty.html)
17th May - Paper on: "Characterizing Arctic sea ice topography using high-resolution IceBridge data" accepted for publication in The Cryosphere.
13th-26th April - Participant on NASA's Operation IceBridge mission, Thule, Greenland. - Photo taken during the Eureka! overflight used on the NASA homepage.
15th April - Paper on: "Sea ice circulation around the Beaufort Gyre: The changing role of wind forcing and the sea ice state" accepted for publication in JGR-Oceans!
11th-16th March - Attended the Arctic Science Summit Week (ASSW) in Fairbanks, Alaska. - Part of my International Arctic Science Committee Early Career Fellow duties.
2nd March - Contributed to the NSIDC blog feature on the record low Arctic sea ice state this past winter.