26. Liu, Yinghui and Key, Jeffery R. Less winter cloud aids summer 2013 Arctic sea ice return from 2012 minimum. Environmental Research Letters, Volume 9, Issue 4, 2014, doi:10.1088/1748-9326/9/4/044002. Reprint # 7246.
 Link to PDF |
| 27. Meier, Walter N.; Hovelsrud, Greta K.; van Oort, Bob E. H.; Key, Jeffrey R.; Kovasc, Kit M.; Michel, Christine; Haas, Christian; Granskog, Mats A.; Gerland, Sebastian; Perovich, Donald K.; Makshtas, Alexander and Reist, James D. Arctic sea ice in transformation: A review of recent observed changes and impacts on biology and human activity. Reviews in Geophysics, Volume 51, 2014, doi:10.1002/2013RG000431. Reprint # 7252. |
| 28. Key, Jeffrey R.; Maloney, Robert; Liu, Yinghui; Romanov, Peter; Tschudi, Mark; Appel, Igor; Maslanik, James; Baldwin, Dan; Wang, Xuanji and Meade, Paul. Snow and ice products from Suomi NPP VIIRS. Journal of Geophysical Research-Atmospheres, Volume 118, Issue 23, 2013, doi:10.1002/2013JD020459. Reprint # 7119. |
| 29. Liu, Yinghui; Key, Jeffrey R.; Liu, Zhengyu; Wang, Xuanji and Vavrus, Stephen S. A cloudier Arctic expected with diminishing sea ice. Geophysical Research Letters, Volume 39, Issue 5, 2012, doi:10.1029/2012GL051251. Reprint # 6709. |
30. Overland, J.; Bhatt, U.; Key, J.; Liu, Y.; Walsh, J. and Wang, M. State of the climate in 2011: Air temperature, atmospheric circulation, and clouds. Bulletin of the American Meteorological Society, Volume 93, Issue 7, 2012, S127-S129. Reprint # 6849.
Link to PDF |
| 31. Liu, Yinghui; Key, Jeffrey R.; Ackerman, Steven A.; Mace, Gerald G. and Zhang, Qiuqing. Arctic cloud macrophysical characteristics from CloudSat and CALIPSO. Remote Sensing of Environment, Volume 124, 2012, pp.159-173. Reprint # 6896. |
| 32. Wang, Xuanji; Key, Jeffrey; Liu, Yinghui; Fowler, Charles; Maslanik, James and Tschudi, Mark. Arctic climate variability and trends from satellite observations. Advances in Meteorology, Volume 2012, 2012, doi:10.1155/2012/505613. Reprint # 6990. |
| 33. Callaghan, Terry V.; Johansson, Margareta; Key, Jeff; Prowse, Terry; Ananicheva, Maria and Klepikov, Alexander. Feedbacks and interactions: From the Arctic cryosphere to the climate system. Ambio, Volume 40, Issue 1, 2011, pp.75-86. Reprint # 6755. |
| 34. Olsen, M. S.; Callaghan, T. V.; Reist, J. D.; Reiersen, L. O.; Dahl-Jensen, D.; Granskog, M. A.; Goodison, B.; Hovelsrud, G. K.; Johansson, M.; Kallenborn, R.; Key, J.; Klepikov, A.; Meier, W.; Overland, J. E.; Prowse, T. D.; Sharp, M.; Vincent, W. F. and Walsh, J. The changing Arctic cryosphere and likely consequences: An overview. Ambio, Volume 40, 2011, pp.111-118. Reprint # 6756. |
35. Liu, Yinghui; Ackerman, Steven A.; Maddux, Brent C.; Key, Jeffrey R. and Frey, Richard A. Errors in cloud detection over the Arctic using a satellite imager and implications for observing feedback mechanisms. Journal of Climate, Volume 23, Issue 7, 2010, pp.1894-1907. Reprint # 6262.
Link to PDF |
| 36. Wang, Xuanji; Key, Jeffrey R. and Liu, Yinghui. A thermodynamic model for estimating sea and lake ice thickness with optical satellite data. Journal of Geophysical Research-Oceans, Volume 115, 2010, doi:10.1029/2009JC005857. Reprint # 6395. |
37. Dworak, Richard and Key, Jeffrey R. Twenty years of polar winds from AVHRR: Validation and comparison with ERA-40. Journal of Applied Meteorology and Climatology, Volume 48, Issue 1, 2009, pp.24-40. Reprint # 5979.
Link to PDF |
| 38. Fernandes, Richard; Zhao, Hongxu; Wang, Xuanji; Key, Jeff and Hall, Alex. Controls on Northern Hemisphere snow albedo feedback quantified using satellite Earth observations. Geophysical Research Letters, Volume 36, Issue 21, 2009, doi:10.1029/2009GL040057. Reprint # 6243. |
| 39. Liu, Yinghui; Key, Jeffrey R. and Wang, Xuanji. Influence of changes in sea ice concentration and cloud cover on recent Arctic surface temperature trends. Geophysical Research Letters, Volume 36, Issue 20, 2009, doi:10.1029/2009GL040708. Reprint # 6167. |
40. Liu, Yinghui; Key, Jeffrey R. and Wang, Xuanji. The influence of changes in cloud cover on recent surface temperature trends in the Arctic. Journal of Climate, Volume 21, Issue 4, 2008, pp.705-715. Reprint # 5644.
Link to PDF |
41. Drinkwater, Mark R.; Jezek, Kenneth C. and Key, Jeff. Coordinated satellite observations during the IPY: Towards achieving a polar constellation. Space Research Today, Volume 171, 2008, pp.6-17. Reprint # 6341.
Link to PDF |
42. Frey, Richard A.; Ackerman, Steven A.; Liu, Yinghui; Strabala, Kathleen I.; Zhang, Hong; Key, Jeffrey R. and Wang, Xuangi. Cloud detection with MODIS, part I: Improvements in the MODIS cloud mask for collection 5. Journal of Atmospheric and Oceanic Technology, Volume 25, Issue 7, 2008, pp.1057-1072. Reprint # 5778.
Link to PDF |
| 43. Wang, Xuanji; Key, Jeffrey R.; Fowler, Chuck and Maslanik, James. Diurnal cycles in Arctic surface radiative fluxes in a blended satellite-climate reanalysis data set. Journal of Applied Remote Sensing, Volume 1, Issue 1, 2007, doi:10.1117/1.2794003. Reprint # 5588. |
| 44. Goodison, B.; Brown, J.; Jezek, K.; Key, J.; Prowse, T.; Snorrason, A. and Worby, T. State and fate of the polar cryosphere, including variability of the Arctic hydrological cycle. WMO Bulletin, Volume 56, Issue 4, 2007, pp.284-292. Reprint # 5637. |
| 45. Liu, Yinghui; Key, Jeffrey R. and Francis, Jennifer A./Wang, Xuanji. Possible causes of decreasing cloud cover in the Arctic winter, 1982-2000. Geophysical Research Letters, Volume 34, Issue 14, 2007, doi:10.1029/2007GL030042. Reprint # 5457. |
46. Pauley, R. and Key, J. Navy begins operational assimilation of direct broadcast MODIS winds. JCSDA Quarterly, Volume 14, 2006, pp.1. Reprint # 6968.
Link to PDF |
47. Liu, Yinghui; Key, Jeffrey R.; Schweiger, Axel and Francis, Jennifer. Characteristics of Satellite-Derived Clear-Sky Atmospheric Temperature Inversion Strength in the Arctic, 1980–96. Journal of Climate, Volume 19, Issue 19, 2006, 4902–4913. Reprint # 5222.
Link to PDF |
| 48. Liu, Jiping; Curry, Judith A.; Rossow, William B.; Key, Jeffrey R. and Wang, Xuanji. Comparison of surface radiative flux data sets over the Arctic Ocean. Journal of Geophysical Research-Oceans, Volume 110, 2005, doi:10.1029/2004JC002381. Reprint # 4594. |
| 49. Chapin, F. S. III; Sturm, M.; Serreze, M. C.; McFadden, J. P.; Key, J. R.; Lloyd, A. H.; McGuire, A. D.; Rupp, T. S.; Lynch, A. H.; Schimel, J. P.; Beringer, J.; Chapman, W. L.; Epstein, H. E.; Euskirchen, E. S.; Hinzman, L. D.; Jia, G.; Ping, C.-L.; Tape, K. D.; Thompson, C. D. C.; Walker, D. A. and Welker, J. M. Role of land-surface changes in Arctic summer warming. Science, Volume 310, Issue 5748, 2005, pp.657-660. Reprint # 4796. |
50. Overpeck, J. T.; Sturm, M.; Francis, J. A.; Perovich, D. K.; Serreze, M. C.; Benner, R.; Carmack, E. C.; Chapin, F. S. III; Gerlach, S. C.; Hamilton, L. C.; Hinzman, L. D.; Holland, M.; Huntington, H. P.; Key, J. R.; Lloyd, A. H.; MacDonald, G. M.; McFadden, J.; Noone, D.; Prowse, T. D.; Schlosser, P. and Vorusmarty, C. Arctic system on trajectory to new, seasonally ice-free state. EOS, Volume 86, Issue 34, 2005, pp.309-313. Reprint # 5152.
Link to PDF |