![](https://www.whoi.edu//cms/images/01_717the_group_of_9_callout_148193.jpg) | 1: Global Warming? The WHOI team has joined scientists from Canada, Japan, Alaska, New York, Denmark and China on the Canadian Coast Guard icebreaker Louis S. St-Laurent for this year's expedition to the Beaufort Gyre. |
![](https://www.whoi.edu//cms/images/02_718The_Louis_callout_148213.jpg) | 2: Anchors Aweigh With all 75 officers, crew members and scientists onboard and the final preparations for departure completed, Captain McNeill hoisted anchor and began steaming west towards the Beaufort Gyre. |
![](https://www.whoi.edu//cms/images/03_719Flotation_suit_mit_callout_148214.jpg) | 3: Practice Makes Perfect The Louis has traversed the Amundsen Gulf and entered the Beaufort Sea. The first CTD casts were taken and the deck crew training began. |
![](https://www.whoi.edu//cms/images/04_720Planning_ahead_callout_148215.jpg) | 4: It's All About the Ice The icebreaker has now entered the solid icepack, encountering heavy multi-year ice over the CABOS mooring. Chief Scientist Sarah Zimmermann decided to delay the recovery of this mooring until the end of the cruise. |
![](https://www.whoi.edu//cms/images/05_721Putting_the_Rosette_in_callout_148233.jpg) | 5: Faces of the Louis In this photo essay, Rick Krishfield shows some of the folks that keep everything shipshape on Canada's largest icebreaker. |
![](https://www.whoi.edu//cms/images/06_722Morning_on_the_Louis_callout_148234.jpg) | 6: What a Blast! In this dispatch, Helen Drost from IOS describes the seismic survey operations being conducted by Canadian and Danish researchers. |
![](https://www.whoi.edu//cms/images/07_060811-slide3_callout_148253.jpg) | 7: CTD Nightwatch Graduate students Jennifer Jackson and Abby Spieler describe their first nighttime CTD cast. |
![](https://www.whoi.edu//cms/images/08_060812-slide2_callout_148235.jpg) | 8: Meet and Greet The scientists and crew enjoy some Louis hospitality on Meet & Greet night. |
![](https://www.whoi.edu//cms/images/09_060813-slide2_callout_148254.jpg) | 9: Mooring Day WHOI mooring expert Will Ostrom describes the recovery of the shallow water Beaufort Slope mooring. |
![](https://www.whoi.edu//cms/images/10_060814-slide3_callout_148273.jpg) | 10: Bongos Jennifer Hutchings from the International Arctic Research Center describes the bongo net tow operation and their catch. |
![](https://www.whoi.edu//cms/images/11_060815-slide2_callout_148293.jpg) | 11: Light in the Ocean Jiuxin Shi from the Ocean University of China discusses his team's research on the physical and optical profiles of Arctic Ocean seawater. |
![](https://www.whoi.edu//cms/images/12_060816-slide1_callout_148236.jpg) | 12: Faces of the Louis II Rick Krishfield shows more photos of the hard-working Louis crew. |
![](https://www.whoi.edu//cms/images/13_060817-slide1_callout_148294.jpg) | 13: Murphy's Mooring? After a long and difficult 12 hour mooring recovery, BGOS Mooring A is safely on deck. |
![](https://www.whoi.edu//cms/images/14_060818-slide2_callout_148274.jpg) | 14: The Day After Rick Krishfield happily reports that a full load of data was retrieved from Mooring A. |
![](https://www.whoi.edu//cms/images/15_060819-slide2_callout_148237.jpg) | 15: A Tale of Rosey and the Lab Rats Kristina Brown and Mary Steele wax poetic. |
![](https://www.whoi.edu//cms/images/16_060820-slide1_callout_148255.jpg) | 16: Grin and Bear It While temporarily halted for repairs, a curious polar bear visits the Louis. |
![](https://www.whoi.edu//cms/images/17_060821-slide3_callout_148238.jpg) | 17: Science Program Chief Scientist Sarah Zimmermann explains the conductivity-temperature-depth (CTD) instrument. |
![](https://www.whoi.edu//cms/images/18_060822-slide4_callout_148239.jpg) | 18: Phytoplankton Food Linda White talks about why she is collecting nutrient data and how it relates to the growth of tiny ocean plants. |
![](https://www.whoi.edu//cms/images/19_060823-slide5_callout_148240.jpg) | 19: Faces of the Louis III The Louis is back underway! Rick Krishfield's photo essay of Louis crew members continues in this dispatch. |
![](https://www.whoi.edu//cms/images/20_060824-slide1_callout_148241.jpg) | 20: Back to (Mooring) Work Kris Newhall, WHOI mooring technician, describes the process of deploying one of the 2-mile long BGOS subsurface moorings. |
![](https://www.whoi.edu//cms/images/21_060825-slide3_callout_148275.jpg) | 21: Tiny Torpedoes Shigeto Nishino of JAMSTEC talks about the expendable CTD, a small torpedo-like instrument used to measure water temperature and salinity. |
![](https://www.whoi.edu//cms/images/22_060826-slide2_callout_148295.jpg) | 22: Hump Day It's the halfway point of the cruise, but much work remains to be done. |
![](https://www.whoi.edu//cms/images/23_060827-slide3_callout_148313.jpg) | 23: Captain's Table A traditional supper at the Captain's Table is the highlight of a Sunday on the Louis. |
![](https://www.whoi.edu//cms/images/24_060828-slide2_callout_148154.jpg) | 24: Sonobuoys The Louis cruises northward through unusually ice-free conditions, allowing the NRCan team to study the sediments below. |
![](https://www.whoi.edu//cms/images/25_060829-slide2_callout_148433.jpg) | 25: Ice Recon Rick Krishfield takes a ride on the ship's helicopter in search of multi-year ice for an ice-tethered profiler deployment site. |
![](https://www.whoi.edu//cms/images/26_060830-slide6_callout_148453.jpg) | 26: Faces of the Louis IV The Louis has made excellent time through light ice to the second WHOI mooring location and recovered the precious instruments. |
![](https://www.whoi.edu//cms/images/27_060831-slide1_callout_148473.jpg) | 27: Mooring Ops - View from the Bridge Chief Scientist Sarah Zimmermann describes a subsurface mooring recovery from the bridge team's perspective. |
![](https://www.whoi.edu//cms/images/28_060901-slide1_callout_148493.jpg) | 28: White Out The science party braves whiteout conditions on the ice to make measurements of ice optics and thickness. |
![](https://www.whoi.edu//cms/images/29_060902-slide3_callout_148494.jpg) | 29: A Long Day A marathon day for the mooring crew results in the successful deployment of Mooring B and an ice-tethered profiler. |
![](https://www.whoi.edu//cms/images/30_060903-slide3_callout_148513.jpg) | 30: Foul Weather The clear weather of the previous day is replaced by a fierce autumn storm. |
![](https://www.whoi.edu//cms/images/31_060904-slide4_callout_148533.jpg) | 31: Ice-Based Observatory The science team installs a cluster of ice-tethered instruments on a thick multi-year ice floe. |
![](https://www.whoi.edu//cms/images/32_060905-slide3_callout_148553.jpg) | 32: Importance of Oceanographic Research Mike Dempsey discusses the value of "being there." |
![](https://www.whoi.edu//cms/images/33_060906-slide4_callout_148554.jpg) | 33: Faces of the Louis V Rick honors another group of Louis crewmembers in his photo essay series. |
![](https://www.whoi.edu//cms/images/34_060907-slide3_callout_148514.jpg) | 34: An ITP and a BBQ The mooring crew successfully installs another ice-tethered profiler and the ship celebrates the (almost) completion of the cruise with a barbeque. |
![](https://www.whoi.edu//cms/images/35_060908-slide1_callout_148515.jpg) | 35: Little Creatures Helen Drost describes some of the tiny creatures that the bongo net team has collected. |
![](https://www.whoi.edu//cms/images/36_060909-slide1_callout_148555.jpg) | 36: Mooring Levity Rick Krishfield shares some lighter moments from the mooring operations. |
![](https://www.whoi.edu//cms/images/37_060910-slide3_callout_148573.jpg) | 37: ITP/IMB Revisited One of last year's ice-tethered buoys is located but could not be retrieved. |
![](https://www.whoi.edu//cms/images/38_060911-slide4_callout_148574.jpg) | 38: Nearly Ice Free Thoughts turn to home as the Louis makes her way back to open water. |
![](https://www.whoi.edu//cms/images/39_060912-slide3_callout_148575.jpg) | 39: CABOS Mooring Mike Dempsey describes the recovery and redeployment of the final mooring operation of the cruise. |
![](https://www.whoi.edu//cms/images/40_060913-slide2_callout_148593.jpg) | 40: End of Voyage The final dispatch of the cruise tabulates the results and acknowledges the accomplishments. |