Oberbauer, S. F, S. C Elmendorf, T. G Troxler, R. D Hollister, A. V Rocha, M. S Bret-Harte, M. A Dawes, et al.. “Phenological Response Of Tundra Plants To Background Climate Variation Tested Using The International Tundra Experiment”. Philosophical Transactions Of The Royal Society B: Biological Sciences 368. Philosophical Transactions Of The Royal Society B: Biological Sciences (2013): 20120481. doi:10.1098/rstb.2012.0481.

O'Harra, Doug. “2007 Arctic Wildfire Released 50 Years Of Stored Carbon Into Atmosphere”. Alaska Dispatch News, 2011. http://www.adn.com/article/2007-arctic-wildfire-released-50-years-stored-carbon-atmosphere.

O'Harra, Doug. “Are Alaska's Wildfires Accelerating Global Warming?”. Alaska Dispatch News, 2010. http://www.adn.com/article/are-alaskas-wildfires-accelerating-global-warming.

O'Connor, Michael T, Bayani M. Cardenas, Bethany T Neilson, Kindra D Nicholaides, and George W Kling. “Active Layer Groundwater Flow: The Interrelated Effects Of Stratigraphy, Thaw, And Topography”. Water Resources Research 55. Water Resources Research (2019): 6555–6576. doi:10.1029/2018WR024636.

O'Connor, Michael T, Bayani M. Cardenas, Stephen B Ferencz, Yue Wu, Bethany T Neilson, Jingyi Chen, and George W Kling. “Empirical Models For Predicting Water And Heat Flow Properties Of Permafrost Soils”. Geophysical Research Letters 47, no. 11. Geophysical Research Letters (2020). doi:10.1029/2020GL087646.

O'Brien, Miles, and Kate Tobin. “Arctic Soils Key To Future Climate”. Science Nation. Science Nation. National Science Foundation, 2015. http://www.nsf.gov/news/special_reports/science_nation/soilcarboncycling.jsp.

O'Brien, W. John, H. I Browman, and B. I Evans. “Search Strategies Of Foraging Animals”. American Scientist 78, no. 2. American Scientist (1990): 152-160. http://www.jstor.org/stable/29773945.

O'Brien, W. John, and Chris Luecke. “The Coexistence Of A Predaceous Copepod And A Daphnid: Weeding And Gardening In The Arctic”. Vereinigung Verhandlungen International Limnologie 23. Vereinigung Verhandlungen International Limnologie (1988): 2069-2074. doi:10.1080/03680770.1987.11899852.

O'Brien, W. John. “Heterocope, An Important Predator Structuring Arctic Pond Zooplankton Communities: A Mesocosm Study”. Vereinigung Verhandlungen International Limnologie 27. Vereinigung Verhandlungen International Limnologie (2001): 3686-3689. doi:10.1080/03680770.1998.11902517.

W. O'Brien, John, and David Schmidt. “Arctic \Textit{Bosmina Morphology And Copepod Predation1”. Limnology And Oceanography 24. Limnology And Oceanography (1979): 564–568. doi:10.4319/lo.1979.24.3.0564.

O'Brien, W. John, and B. I Evans. “Simulation Model Of The Planktivorous Feeding Of Arctic Grayling: Laboratory And Field Verification”. Hydrobiologia 240. Hydrobiologia (1992): 235-246. doi:10.1007/BF00013465.

O'Brien, W. John, and J. J Showalter. “Effects Of Current Velocity And Suspended Debris On The Drift Feeding Of Arctic Grayling”. Transactions Of The American Fisheries Society 122. Transactions Of The American Fisheries Society (1993): 609-615. doi:10.1577/1548-8659%281993%29122<0609%3AEOCVAS>2.3.CO%3B2.

O'Brien, W. John, M. Barfield, and K. Sigler. “The Functional Response Of Drift-Feeding Arctic Grayling: The Effects Of Prey Density, Water Velocity, And Location Efficiency”. Canadian Journal Of Fisheries And Aquatic Sciences 58, no. 10. Canadian Journal Of Fisheries And Aquatic Sciences (2001): 1957-1963. doi:10.1139/f01-138.

O'Brien, W. John, D. Kettle, H. Riessen, D. R Schmidt, and D. Wright. “Dimorphic Daphnia Longiremis: Predation And Competitive Interactions Between The Two Morphs”. In Evolution And Ecology Of Zooplankton Communitees, 497-505. Evolution And Ecology Of Zooplankton Communitees. Hanover, NH: The University Press of New England, 1980.

O'Brien, W. John. “Long-Term Impact Of An Invertebrate Predator Heterocope Septentrionalis On An Arctic Pond Zooplankton Community”. Freshwater Biology 46, no. 1. Freshwater Biology (2000): 39-45. doi:10.1046/j.1365-2427.2001.00650.x.

O'Brien, W. John, and B. I Evans. “Saltatory Search Behavior In Five Species Of Planktivorous Fish”. Vereinigung Verhandlungen International Limnologie 24. Vereinigung Verhandlungen International Limnologie (1991): 2371-2376. doi:10.1080/03680770.1989.11899968.

W. O'Brien, John, and Chris Luecke. “The Coexistence Of A Predaceous Copepod And A Daphniid: Weeding And Gardening In The Arctic: With 2 Figures And 3 Tables In The Text”. Sil Proceedings, 1922-2010 23. Sil Proceedings, 1922-2010 (1988): 2069–2074. doi:10.1080/03680770.1987.11899852.

O'Brien, W. John, and D. R Schmidt. “Arctic Bosmina Morphology And Copepod Predation”. Limnology And Oceanography 24. Limnology And Oceanography (1979): 564-568. doi:10.4319/lo.1979.24.3.0564.

O'Brien, W. John, M. Barfield, Neil D Bettez, A. E Hershey, John E Hobbie, G. W Kipphut, George W Kling, and M. C Miller. “Long-Term Response And Recovery To Nutrient Addition Of A Partitioned Arctic Lake”. Freshwater Biology 50, no. 5. Freshwater Biology (2005): 731-741. doi:10.1111/j.1365-2427.2005.01354.x.

O'Brien, W. John, D. Kettle, and H. Riessen. “Helmets And Invisible Armor: Structures Reducing Predation From Tactile And Visual Planktivores”. Ecology 60. Ecology (1979): 287-294. doi:10.2307/1937657.

O'Brien, W.John. “The Effect Of Container Size On The Feeding Rate Of \Textit{Heterocope Septentrionalis , A Freshwater Predaceous Copepod”. Journal Of Plankton Research 10. Journal Of Plankton Research (1988): 313–317. doi:10.1093/plankt/10.2.313.

O'Brien, W. John. “The Effect Of Container Size On The Feeding Rate Of Heterocope Septentrionalis: A Freshwater Predaceous Copepod”. Journal Of Plankton Research 10, no. 2. Journal Of Plankton Research (1988): 313-317. doi:10.1093/plankt/10.2.313.

O'Brien, W. John, Melinda E Burris, A. E Hershey, Victor B Holland, and Chris Luecke. “Zooplankton Species Occurrence In Arctic Lakes In Landscapes Of Very Different Ages”. Water And The Landscape: The Landscape Ecology Of Freshwater Ecosystems. Water And The Landscape: The Landscape Ecology Of Freshwater Ecosystems. Oxford Brookes University: Colin Cross Printers. Ltd, Garstang, UK, 2006.

O'Brien, W. John, Chris Luecke, Cody R Johnson, and Victor B Holland. “Diet Variability In Arctic Grayling In Arctic Lakes”. Vereinigung Verhandlungen International Limnologie 29. Vereinigung Verhandlungen International Limnologie (2005): 685-689. doi:10.1080/03680770.2005.11902766.

O'Brien, W. John, M. Barfield, Neil D Bettez, Gretchen M Gettel, A. E Hershey, M. E McDonald, M. C Miller, et al.. “Physical, Chemical And Biotic Effects On Arctic Zooplankton Communities And Diversity”. Special Volume Of Limnology And Oceanography 49. Special Volume Of Limnology And Oceanography (2004): 1250-1261. doi:10.4319/lo.2004.49.4_part_2.1250.