Akihisa S. Otsuki

Mitsuo Fukuchi

Toru Hirawake

National Institute of Polar Research Repository

＿ 1 ＿Chlorophyll a concentration of phytoplankton during a cruise of the 46th Japanese Antarctic Research Expedition in 2004-2005 Akihisa S. Otsuki, Torn Hirawake and Mitsuo Fukuchi National Institute of Polar Research, Research Organization of Information and Systems, 9-10, Kaga 1-chome, Itabashi-ku, Tokyo 173-8515 1. Introduction This is a report on the phytoplankton chlorophyll a concentration on a cruise of the icebreaker Shirase during the 46th Japanese Antarctic Research Expedition (JARE) in 2004-2005 austral summer. Chlorophyll a concentration of phytoplankton was measured in two series: (1) spatial variation of chlorophyll a in the surface water along the cruise track, and (2) vertical profile of chlorophyll a in the Indian Ocean sector of the Southern Ocean. 2. Materials and methods Surface seawater was sampled routinely two or three times a day with a plastic bucket and by pumping up through the hull. Subsurface water was collected with a Niskin bottle attached to the Rosette multi-sampler on a CTD or Van-Dorn bottle. Seawater samples of 200-300 ml were filtered onto a glass fiber filter (Whatman, GF/F). The filter was immediately soaked in N,N-dimethylformamide (Suzuki and Ishimaru, 1990), and pigments were extracted. The concentration of chlorophyll a and pheopigments were determined fluorometrically (Parsons et al., 1984) with a fluorometer (Turner Design, 10-AU). The fluorometer was calibrated against a chlorophyll a standard (Sigma Chemical Co.) using a spectrophotometer and the value of specific absorption coefficient obtained by Porra et al. (1989). 3. Data Map of the sampling stations during JARE-46 cruise is illustrated in Fig. 1. Chlorophyll a and pheopigments concentration in sea surface and subsurface water are shown in Tables 1 and 2, respectively. The data in this report are available on digital media (see chapter 5). 4. Scientists on board Sampling and analysis were mainly carried out by A. S. Otsuki. ＿ 2 ＿5. Data policy Before using the data for publication or presentation, please request permission m writing. Inquiries should be addressed to: Mitsuo Fukuchi, Professor National Institute of Polar Research Research Organization of Information and Systems 9-10, Kaga 1-chome, ltabashi-ku, Tokyo 173-8515, Japan Phone: +81-3-3962-6031 Facsimile: +81-3-3962-4914 E-mail: fukuchi@nipr.ac.jp Place to contact in requiring the digital data is also same. Acknowledgments We thank to all the members of JARE-46 and JARE-45 wintering parties for their support and help. We also wish to thank officers and crew members of the icebreaker Shirase. References Parsons, T.R., Maita, Y. and Lalli, C.M. (1984): A Manual of Chemical and Biological Methods for Seawater Analysis. Oxford, Pergamon Press, 173 p. Parra, R.J., Thompson, W.A. and Kriedemann, P.E. (1989): Determination of accurate extinction coefficients and simultaneous equations for assaying chlorophyll a and b extracted with four different solvents: verification of the concentration of chlorophyll standards by atomic absorption spectroscopy. Biochim. Biophys. Acta, 975, 384-394. Suzuki, R. and Ishimaru, T. (1990): An improved method for the determination of phytoplankton chlorophyll using N,N-dimethylformamide. J. Oceanogr. Soc. Jpn., 46, 190-194. ＿ 3 ＿3o·s 4o·s 2 20 so·s 19 4 18 so·s 4o·E so·E 80"E 100"E 120°E 140"E 160"E Fig. 1. Map showing the sites of sampling stations during JARE-46 in 2004/05. Open circles indicate surface water sampling. Solid squares are stations for vertical water sampling. ＿ 4 ＿Table 1. Chlorophyll a and pheopigments concentration of surface water during JARE-46. Pump Lat itude Longitude Chi.a Pheo. Sample# /Bucket Date (GMT) Time (GMT) Degrees Minutes Degrees Minutes (mgm.3) (mgm.3) Fremantle, Austral ia 1 Pump 2004/12/5 23:00 44 20.85 S 109 60.00 E 0.65 0.17 2 Bucket 2004/12/6 2:00 45 0.48 s 110 0.93 E 1.68 0.45 3 Pump 2004/12/6 23:00 49 10.99 S 109 55.78 E 0.44 0.03 4 Bucket 2004/12/7 2:00 49 54.61 S 109 59.25 E 0.66 0.11 5 Pump 2004/12/7 14:00 52 2.12 S 110 4.79 E 0.91 0.17 6 Pump 2004/12/7 17:00 52 48.63 s 109 55.97 E 1.03 0.21 7 Pump 2004/12/7 23:00 54 24.48 s 109 40.85 E 0.80 0.10 8 Bucket 2004/12/8 2:00 55 4.60 S 109 33.39 E 0.59 0.06 9 Bucket 2004/12/9 2:00 59 22.18 S 108 57.28 E 0.46 0.04 10 Pump 2004/12/9 17:00 60 13.76 s 105 13.87 E 0.43 0.05 11 Pump 2004/12/9 23:00 60 22.26 s 102 21.29 E 12 Bucket 2004/12/10 1:00 60 24.78 s 101 23.02 E 1.06 0.11 13 Pump 2004/12/10 9:00 60 41.07 s 97 29.65 E 0.94 0.12 14 Bucket 2004/12/11 2:00 60 59.01 s 89 21.14 E 0.81 0.07 15 Pump 2004/12/11 10:00 61 10.21 s 85 29.98 E 1.16 0.24 16 Pump 2004/12/12 10:00 61 42.49 s 73 54.04 E 1.23 0.14 17 Bucket 2004/12/12 2:00 61 31.67 s 77 42.44 E 2.05 0.13 18 Bucket 2004/12/13 3:00 62 5.74 s 65 26.81 E 0.47 0.09 19 Pump 2004/12/14 6:00 62 42.74 s 51 24.53 E 0.77 0.08 20 Pump 2004/12/14 8:00 62 47.47 s 50 22.58 E 0.21 0.01 21 Pump 2004/12/14 10:00 62 54.72 S 49 22.36 E 0.38 0.04 22 Pump 2004/12/14 12:00 63 6.66 S 48 25.31 E 0.30 0.04 Syowa Station, Antarct ica 23 Pump 2005/2/10 8:00 66 57.33 s 37 58.03 E 0.31 -0.02 24 Pump 2005/2/10 9:00 67 11.05 s 38 12.83 E 0.29 0.09 25 Pump 2005/2/10 10:00 67 24.39 s 38 28.65 E 0.38 0.02 26 Pump 2005/2/10 11:00 67 31.59 s 38 34.34 E 0.33 0.04 27 Pump 2005/2/10 12:00 67 47.17 S 38 54.50 E 0.57 0.12 28 Pump 2005/2/10 13:00 68 2.87 s 39 14.23 E 0.43 0.00 29 Pump 2005/2/10 13:50 68 1.25 s 39 40.73 E 1.62 0.31 30 Pump 2005/2/22 9:00 64 0.34 s 44 20.06 E 0.11 O.Ql 31 Pump 2005/2/22 14:00 65 0.38 s 44 20.06 E 0.12 0.02 32 Pump 2005/2/22 16:20 65 29.05 s 44 19.92 E 0.14 0.02 33 Pump 2005/2/22 20:00 66 14.17 s 44 20.00 E 0.26 0.05 34 Pump 2005/2/23 3:30 65 0.94 S 44 39.98 E 0.13 0.02 35 Pump 2005/2/23 6:00 64 29.89 S 44 39.98 E 0.10 0.02 36 Pump 2005/2/23 8:40 63 57.24 s 44 39.99 E 0.10 0.01 37 Pump 2005/2/23 13:55 64 39.10 s 45 0.00 E 0.14 0.01 38 Pump 2005/2/23 17:10 65 19.76 s 45 0.02 E 0.13 0.01 39 Pump 2005/2/23 20:30 66 0.43 s 45 3.27 E 0.16 0.00 40 Pump 2005/2/24 6:40 64 0.27 s 45 19.98 E 0.12 0.00 41 Pump 2005/2/24 18:40 65 58.97 s 45 40.07 E 0.17 0.00 42 Pump 2005/2/25 6:00 63 57.01 s 45 59.97 E 43 Pump 2005/2/25 9:30 63 52.68 s 47 32.48 E 0.21 0.00 44 Bucket 2005/2/25 13:00 63 54.18 s 49 4.43 E 0.16 0.00 45 Pump 2005/2/25 13:20 63 54.13 s 49 12.05 E 0.17 0.01 46 Pume 2005/2/25 17:05 63 55.45 s 51 3.50 E 0.21 -0.01 ＿ 5 ＿Table 1. Continued. Pump Lat itude Longitude Chi.a Pheo. Sample# /Bucket Date (GMT) Time (GMT) Degrees Minutes Degrees Minutes (mgm.3) (mgm.3) 47 Pump 2005/2/25 21:00 64 O.oJ S 53 13.73 E 0.14 0.01 48 Bucket 2005/2/26 5:00 64 0.41 S 57 44.83 E 0.13 O.oJ 48' Pump 2005/2/26 5:00 64 0.41 S 57 44.83 E 0.13 O.oI 49 Pump 2005/2/26 17:00 63 58.94 S 62 1.79 E 0.18 0.02 50 Pump 2005/2/26 20:00 63 58.35 s 63 21.12 E 0.19 0.02 51 Bucket 2005/2/27 4:00 64 0.67 s 66 48.80 E 0.23 0.01 51' Pump 2005/2/27 4:00 64 0.67 s 66 48.80 E 0.27 0.02 52 Pump 2005/2/27 16:00 63 45.97 s 70 29.63 E 0.28 0.02 53 Pump 2005/2/27 19:00 63 28.75 s 71 43.05 E 0.23 O.oI 54 Bucket 2005/2/28 3:00 62 44.40 S 74 49.61 E 0.15 0.02 54' Pump 2005/2/28 3:05 62 44.15 s 74 50.76 E 0.19 0.02 55 Pump 2005/2/28 7:00 62 20.47 s 76 18.34 E 0.17 0.01 56 Bucket 2005/2/28 11:00 61 56.22 s 77 47.45 E 0.12 0.02 56' Pump 2005/2/28 11:00 61 56.22 s 77 47.45 E 0.15 0.00 57 Pump 2005/2/28 15:00 61 30.32 S 79 14.83 E 0.18 O.oI 58 Bucket 2005/3/2 11:00 65 15.20 S 78 8.78 E 0.21 0.02 58' Pump 2005/3/2 11:00 65 15.20 S 78 8.78 E 0.23 O.oI 59 Pump 2005/2/28 19:00 61 14.03 S 79 57.91 E 0.17 0.01 60 Pump 2005/3/1 15:00 62 2.44 s 79 58.08 E 0.29 O.oI 61 Pump 2005/3/1 19:00 62 49.48 S 79 58.72 E 0.15 0.01 62 Pump 2005/3/2 15:00 65 56.12 S 76 59.32 E 0.38 0.02 63 Pump 2005/3/2 19:00 66 31.17 S 75 42.64 E 0.46 0.01 64 Pump 2005/3/3 8:10 68 42.79 S 72 57.19 E 5.25 0.78 65 Pump 2005/3/3 8:40 68 44.88 s 73 13.26 E 6.22 0.75 66 Pump 2005/3/3 9:50 68 56.65 s 73 38.91 E 7.97 0.50 67 Pump 2005/3/3 10:56 68 49.43 s 74 8.00 E 6.18 0.83 68 Pump 2005/3/3 12:35 68 38.18 s 74 54.12 E 4.47 0.21 69 Pump 2005/3/5 5:20 65 36.23 s 80 54.28 E 0.66 0.09 70 Pump 2005/3/5 8:30 65 31.27 s 81 47.67 E 1.76 0.05 71 Pump 2005/3/5 11:05 65 33.07 s 83 7.19 E 0.97 0.06 72 Pump 2005/3/5 13:40 65 26.14 S 84 29.53 E 1.63 0.08 73 Pump 2005/3/6 14:00 63 59.05 s 94 0.11 E 0.35 0.02 74 Pump 2005/3/6 18:00 64 0.17 s 96 1.59 E 0.38 0.02 75 Bucket 2005/3/6 2:00 64 25.63 s 89 54.23 E 0.38 0.01 75' Pump 2005/3/6 2:00 64 25.63 s 89 54.23 E 0.39 0.02 76 Bucket 2005/3/7 1:00 63 49.95 s 99 7.54 E 0.29 0,03 76' Pump 2005/3/7 1:05 63 50.13 s 99 9.93 E 0.32 0.05 77 Pump 2005/3/7 14:00 63 51.38 S 104 8.77 E 0.26 0.02 78 Pump 2005/3/7 17:00 63 56.72 s 105 8.11 E 0.28 0.05 79 Bucket 2005/3/8 1:00 64 1.02 s 109 34.73 E 0.45 0.00 79' Pump 2005/3/8 1:00 64 1.02 s 109 34.73 E 0.50 O.oI 80 Pump 2005/3/8 13:00 63 58.89 s 114 14.69 E 0.45 0.02 81 Pump 2005/3/8 16:00 63 57.67 s 115 42.38 E 0.60 O.Q2 82 Bucket 2005/3/9 0:00 63 53.54 S 119 34.50 E 0.54 0.00 82' Pump 2005/3/9 0:00 63 53.54 s 119 34.50 E 0.59 -0.01 83 Pump 2005/3/9 12:00 63 58.73 s 123 46.67 E 0.60 0.00 84 Pump 2005/3/9 16:00 63 58.83 s 125 45.42 E 0.55 O.oI 'Mark in the sample# column represent pumping sample collected with bucket sampling simultaneously. ＿ 6 ＿Table 1. Continued. Pump Lat itude Longitude Chi.a Pheo. Sample# /Bucket Date (GMT) Time (GMT) Degrees Minutes Degrees Minutes (mg m-3) (mgm-3) 85 Bucket 2005/3/10 0:00 63 59.65 S 129 36.47 E 0.29 0.00 85' Pump 2005/3/10 0:00 63 59.65 s 129 36.47 E 0.29 0.00 86 Pump 2005/3/10 12:00 64 7.92 S 133 14.29 E 0.25 0.01 87 Pump 2005/3/10 15:00 64 12.91 S 134 24.65 E 0.30 0.01 88 Bucket 2005/3/10 23:00 64 28.85 S 137 27.52 E 0.24 0.02 88' Pump 2005/3/10 23:00 64 28.85 S 137 27.52 E 0.26 O.Ql 89 Pump 2005/3/11 11:00 63 59.53 S 139 22.08 E 0.31 O.Ql 90 Pump 2005/3/11 15:00 63 55.79 S 140 25.29 E 0.40 0.01 91 Bucket 2005/3/11 23:00 63 51.80 s 142 38.36 E 0.41 -0.02 91' Pump 2005/3/11 23:00 63 51.80 s 142 38.36 E 0.41 -0.01 92 Pump 2005/3/12 3:00 63 50.22 s 143 42.68 E 0.34 O.Ql 93 Pump 2005/3/12 10:50 63 46.18 s 145 57.87 E 0.74 -0.01 94 Bucket 2005/3/12 7:00 63 49.57 s 144 50.21 E 0.69 -0.01 94' Pump 2005/3/12 7:00 63 49.57 s 144 50.21 E 0.66 -0.01 95 Pump 2005/3/12 14:00 63 45.26 S 146 49.69 E 0.96 0.03 96 Bucket 2005/3/12 22:00 63 42.03 s 149 2.82 E 0.81 0.06 96' Pump 2005/3/12 22:00 63 42.03 s 149 2.82 E 0.85 0.06 97 Pump 2005/3/13 11:00 62 36.93 s 150 5.10 E 0.62 0.06 98 Pump 2005/3/13 14:00 62 3.02 s 150 13.11 E 0.74 0.02 99 Pump 2005/3/13 17:15 61 35.04 S 150 13.76 E 0.31 0.01 100 Pump 2005/3/13 20:00 61 6.70 S 150 6.98 E 0.27 0.03 101 Pump 2005/3/13 23:00 60 43.56 S 150 6.82 E 0.28 0.03 102 Pump 2005/3/14 8:00 59 48.48 S 149 55.10 E 0.38 0.03 103 Pump 2005/3/14 11:00 59 22.12 S 150 0.61 E 0.38 0.03 104 Pump 2005/3/14 14:40 58 51.85 S 150 2.27 E 0.29 0.04 105 Pump 2005/3/14 20:00 57 51.52 S 149 59.07 E 0.13 0.02 106 Bucket 2005/3/14 23:00 57 11.96 s 149 58.21 E 0.26 0.09 106' Pump 2005/3/14 23:00 57 11.96 s 149 58.21 E 0.26 0.09 107 Pump 2005/3/15 11:00 55 33.05 s 150 0.16 E 0.25 0.07 108 Pump 2005/3/15 14:00 55 0.04 s 149 59.81 E 0.18 0.11 109 Pump 2005/3/15 17:20 54 4.79 S 149 58.59 E 0.30 0.10 110 Pump 2005/3/15 20:00 53 19.57 s 150 0.11 E 0.17 0.03 111 Bucket 2005/3/15 23:00 52 28.47 s 149 59.96 E 0.19 O.o3 111' Pump 2005/3/15 23:00 52 28.47 s 149 59.96 E 0.18 0.07 112 Pump 2005/3/16 11:00 50 25.48 s 150 5.92 E 0.61 0.23 113 Pump 2005/3/16 14:00 49 37.50 s 150 8.11 E 0.37 0.15 114 Pump 2005/3/16 20:00 48 3.73 s 150 9.38 E 0.67 0.24 115 Bucket 2005/3/16 23:00 47 17.70 s 150 10.85 E 0.62 0.45 115' Pump 2005/3/16 23:00 47 17.70 s 150 10.85 E 0.59 0.42 Sydney, Austral ia ＿ 7 ＿Table 2. Vertical profile of chlorophyll a and pheopigments concentration during JARE-46. ND indicates no data. Depth Chi.a Phaeo Depth Chi.a Phaeo Station Date Position (m) (m�m-3) (m�m-3) Station Date Position (m) (m� m-3) (mg m-3) 1 2004/12/5 40 - 57.255 S 0 0.30 O.o? 7 2005/2/26 63 - 57.68 s 0 0.15 0.01 109 58.08 E 10 0.31 0.06 60 - 16.07 E 10 0.15 0.00 20 0.31 O.o? 20 0.14 0.00 30 0.34 0.08 30 0.14 0.00 50 0.35 0.08 50 0.23 0.01 75 0.41 0.14 75 0.26 0.04 100 0.41 0.21 100 0.44 0.11 125 0.08 0.04 125 0.45 0.32 150 0.06 0.04 150 0.19 0.10 200 O.D3 0.02 200 O.oJ 0.03 2 2004/12/6 45 46.81 s 0 0.91 0.25 8 2005/2/27 64 0 16 S 0 0.27 0.00 110 1.67 E 10 0.91 0.29 68 - 53.23 E 10 0.27 0.00 20 0.80 0.31 20 0.25 0.01 30 0.77 0.27 30 0.24 0.00 50 50 0.56 0.01 75 75 0.76 0.33 100 0.18 0.18 100 0.22 0.10 125 0.13 0.15 125 0.04 0.03 150 0.08 0.19 150 0.02 0.03 200 0.03 0.06 200 0.00 0.02 3 2004/12/7 50 46.60 S 0 1.19 0.12 Trap 2005/3/1 61 - 20.27 S 0 0.21 0.01 110 - 1.22 E 10 1.19 0 13 79 - 59.88 E 10 0.23 0.01 20 1.14 0.26 20 0.25 -0.01 30 1.15 0.33 30 0.24 0.00 50 1.03 0.28 50 0.28 0.00 75 1.32 0.51 75 0.18 0.05 100 0.56 0.49 100 0.11 0.04 125 0.33 0.25 125 0.06 0.03 150 0.29 0.23 150 0.02 0.02 200 0.16 0.19 200 0.01 0.02 4 2004/12/8 55 - 52.24 s 0 0.45 0.06 9 2005/3/2 64 - 20.33 s 0 0.29 0.02 109 28.76 E 10 0.34 0.04 79 29.02 E 10 0.35 0.02 20 0.47 0.07 20 0.42 0.00 30 0.44 0.05 30 0.49 0.02 50 0.45 0.08 50 1.16 0.25 75 0.52 0.14 75 0.61 0.24 100 0.25 0.13 100 125 0.16 0.11 125 0.17 0.09 150 0.11 0.08 150 0.07 0.05 200 0.03 0.05 200 0.02 0.03 5 2004/12/9 60 - 3.77 S 0 0.57 O.o? 10 2005/3/6 64 - 0.82 S 0 0.29 0.02 108 - 51.48 E 10 0.59 0.10 91 - 47.92 E 10 0.30 0.04 20 0.59 0.03 20 0.31 0.02 30 0.57 0.07 30 0.29 0.02 50 0.79 0.08 50 0.47 0.08 75 0.59 0.17 75 0.55 0.19 100 0.37 0.24 100 0.42 0.18 125 0.22 0.12 125 0.20 0.11 150 0.15 O.o? 150 0.14 O.o? 200 0.03 0.05 200 0.05 0.04 ＿ 8 ＿Table 2. Continued. Depth Chi.a Phaeo Depth Chi.a Phaeo Station Date Position (m) (mg m-3) (mil m-3) Station Date Position (m) (mg m-3) (mg m-3) 11 2005/3/7 63 50.07 s 0 0.61 0.02 16 2005/3/13 63 - 31.24 s 0 0.82 0.04 101 - 9.64 E 10 0.59 0.00 149 - 50.85 E 10 0.86 0.04 20 0.60 0.00 20 0.92 0.04 30 0.60 0.02 30 0.87 0.05 50 0.90 0.08 50 1.38 0.19 75 1.04 0.24 75 0.29 0.12 100 0.26 0.13 100 0.14 0.08 125 0.19 0.09 125 0.06 0.04 150 0.11 0.06 150 0,03 0.03 200 0.04 0.04 200 0.02 0.03 12 2005/3/8 64 - 1.05 S 0 0.70 0.01 17 2005/3/14 60 - 20.25 S 0 0.34 0.04 111 - 39.89 E 10 0.69 0.01 149 - 56.40 E 10 0.37 0.02 20 0.76 0.00 20 0.43 0.01 30 0.71 0.00 30 0.42 0.01 50 0.80 0.05 50 0.43 0.03 75 0.75 0.21 75 0.46 0.05 100 0.21 0.11 100 0.20 0.09 125 0.06 0.05 125 0.19 0.09 150 0.03 0.03 150 0.06 0.04 200 0.01 0.03 200 0.03 0.02 13 2005/3/9 63 53.42 s 0 0.62 -0.02 18 2005/3/15 56 - 25.65 S 0 0.13 0.01 121 44.31 E 10 0.65 0.01 150 - 3.19 E 10 0.12 0.02 20 0.65 0.01 20 0.12 0.01 30 0.66 0 00 30 0.11 0.01 50 0.66 0.00 50 0.11 0.02 75 0.98 0.19 75 0.15 0.01 100 0.78 0.04 100 0.40 0.10 125 0.19 0.12 125 0.07 0.05 150 0.08 0.07 150 0.04 0.04 200 0.03 0.04 200 0,03 0.04 14 2005/3/10 64 - 0.01 S 0 0.27 0.00 19 2005/3/16 51 - 28.89 S 0 0.27 0.04 131 - 41.87 E 10 0.25 0.00 149 - 57.03 E 10 0.27 0.05 20 0.25 O.Gl 20 0.28 0.06 30 0.25 0.01 30 0.27 0.06 50 0.27 0.01 50 0.27 0.06 75 0.66 0.21 75 0.28 0.11 100 0.42 0.16 JOO 0.28 0.21 125 0.23 0.12 125 0.13 0.08 150 0.09 0,07 150 0.08 0.06 200 0.03 0.04 200 0.02 0.02 15 2005/3/11 64 - 0.98 s 0 0.24 0.01 20 2005/3/17 46 19.62 S 0 0.90 0.44 138 - 10.23 E 10 0.25 O.Gl 150 9.23 E 10 0.88 0.47 20 0.25 0.02 20 0.89 0.48 30 0.22 0.02 30 0.96 0.53 50 0.29 0.03 50 0.65 0.53 75 0.44 0.18 75 0.45 0.41 100 0.32 0.15 100 0.11 0.14 125 0.11 0.08 125 0.02 0.04 150 0.04 0.03 150 0.01 0.03 200 0.02 0.02 200 0.01 0.03 

Chlorophyll a concentration of phytoplankton during a cruise of the 46th Japanese Antarctic Research Expedition in 2004-2005

https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3344&item_no=1&attribute_id=18&file_no=1

Chlorophyll a concentration of phytoplankton during a cruise of the 46th Japanese Antarctic Research Expedition in 2004-2005

Abstract

Similar works

Full text

Available Versions

National Institute of Polar Research Repository