LIST OF ILLUSTRATIONS— Continued 



Figure Pape 



54. Sea surface dynamic topography (dynamic meters) relative to 



1000 decibars for May 1972 60 



55. Sea surface dynamic topography (dynamic meters) i-elative to 



1000 decibars for June 1972 61 



56. Iceberg drift and wind progressive vector diagram 5-11, May 1972 62 



57. Iceberg drift and wind progressive vector diagram, 8-15 June 1972 63 



58. Sea surface dynamic topography (dj'namic meters) relative to 



1000 decibars near the June 1972 Iceberg Drift Study 64 



59. Number of icebergs annually drifting south of 48°N (1900-1972) 65 



60. Icebergs sightings by preseason reconnaissance flights 66 



61. Four low pressure systems typical of winter 1971-1972 conditions _ 67 



62. Surface pressure anomaly for January 1972 (after Sanderson, 

 1972a) - 68 



63. Standard Kussian Sections (after Burmakin) 69 



64. Current profile on Grand Banks — Flemish Cap Section (after 



Hill et al.) 70 



65. Current profile on Section A2 71 



66. Normal sea ice compared to January 1972 (after Sanderson, 1972b) 72 



67. Normal sea ice compared to May 1972 (after Sanderson, 1972c) __ 73 



68. Sea surface temperatures (°C) March 1972 (after Royal Met. 

 Office, 1972a) 74 



69. Sea surface temperatures (°C) June 1972 (after Royal Met. 

 Office, 1972b) 75 



70. Air temperature anomaly (°C) for February 1972 (after Sander- 

 son, 1972b) - - 76 



71. Air temperature anomaly (°C) for May 1972 (after Sanderson, 

 1972c) J^ 77 



LIST OF TABLES 



Table Page 



1. Ten year averages of icebergs drifting south of48°N 8 



2. 1972 air temperature (°C) at selected locations compared with 

 normals 11 



viu 



