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1. Sea Ice, North America, 2004

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows the approximate extent of marine areas in the Arctic covered by permanent polar ice. The data originated from the Cana... Geological Survey (U.S.).

2. Arctic Ice Chart, April 11, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 11, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

3. Arctic Ice Chart, April 13, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

4. Arctic Ice Chart, April 25, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 25, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

5. Arctic Ice Chart, April 27, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 27, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

6. Arctic Ice Chart, August 14, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

7. Arctic Ice Chart, August 18, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 18, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

8. Arctic Ice Chart, December 13, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 13, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

9. Arctic Ice Chart, December 21, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 21, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

10. Arctic Ice Chart, December 29, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 29, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

11. Arctic Ice Chart, December 7, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 7, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

12. Arctic Ice Chart, December 8, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 8, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

13. Arctic Ice Chart, February 11, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 11, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

14. Arctic Ice Chart, February 2, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for February 2, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

15. Arctic Ice Chart, January 31, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for January 31, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

16. Arctic Ice Chart, July 27, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 27, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

17. Arctic Ice Chart, July 3, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 3, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

18. Arctic Ice Chart, July 31, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 31, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

19. Arctic Ice Chart, July 4, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 4, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

20. Arctic Ice Chart, July 7, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 7, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

21. Arctic Ice Chart, June 14, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 14, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

22. Arctic Ice Chart, June 15, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 15, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

23. Arctic Ice Chart, June 22, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 22, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

24. Arctic Ice Chart, June 26, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 26, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

25. Arctic Ice Chart, June 29, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 29, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

26. Arctic Ice Chart, June 5, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 5, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

27. Arctic Ice Chart, June 8, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for June 8, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

28. Arctic Ice Chart, March 15, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 15, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

29. Arctic Ice Chart, March 16, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 16, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

30. Arctic Ice Chart, March 2, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 2, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

31. Arctic Ice Chart, March 22, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 22, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

32. Arctic Ice Chart, March 24, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 24, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

33. Arctic Ice Chart, March 30, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 30, 2000. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

34. Arctic Ice Chart, March 6, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 6, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

35. Arctic Ice Chart, March 9, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for March 9, 2000. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

36. Arctic Ice Chart, May 18, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 18, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

37. Arctic Ice Chart, May 19, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 19, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

38. Arctic Ice Chart, May 24, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 24, 2000. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).

39. Arctic Ice Chart, May 5, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for May 5, 2000. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

40. Arctic Ice Chart, November 1, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for November 1, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

41. Arctic Ice Chart, October 11, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 11, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

42. Arctic Ice Chart, October 19, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 19, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

43. Arctic Ice Chart, October 2, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 2, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

44. Arctic Ice Chart, October 3, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 3, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

45. Arctic Ice Chart, October 4, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 4, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

46. Arctic Ice Chart, October 5, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for October 5, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

47. Arctic Ice Chart, September 1, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 1, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

48. Arctic Ice Chart, September 15, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 15, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

49. Arctic Ice Chart, September 18, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 18, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

50. Arctic Ice Chart, September 25, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 25, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

51. Arctic Ice Chart, September 26, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 26, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

52. Arctic Ice Chart, September 28, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 28, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

53. Arctic Ice Chart, September 29, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 29, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).

54. Arctic Ice Chart, September 7, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for September 7, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

55. Arctic Ice Chart, April 12, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 12, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

56. Arctic Ice Chart, April 13, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

57. Arctic Ice Chart, April 14, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

58. Arctic Ice Chart, April 15, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

59. Arctic Ice Chart, April 16, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

60. Arctic Ice Chart, April 19, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

61. Arctic Ice Chart, April 20, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 20, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

62. Arctic Ice Chart, April 21, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 21, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

63. Arctic Ice Chart, April 22, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 22, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

64. Arctic Ice Chart, April 23, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 23, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

65. Arctic Ice Chart, April 26, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 26, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

66. Arctic Ice Chart, April 27, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 27, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

67. Arctic Ice Chart, April 28, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 28, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

68. Arctic Ice Chart, April 29, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 29, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

69. Arctic Ice Chart, April 30, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 30, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

70. Arctic Ice Chart, April 6, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

71. Arctic Ice Chart, April 7, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

72. Arctic Ice Chart, April 8, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

73. Arctic Ice Chart, April 9, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

74. Arctic Ice Chart, August 10, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

75. Arctic Ice Chart, August 11, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

76. Arctic Ice Chart, August 12, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

77. Arctic Ice Chart, August 13, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

78. Arctic Ice Chart, August 16, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

79. Arctic Ice Chart, August 17, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

80. Arctic Ice Chart, August 18, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 18, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

81. Arctic Ice Chart, August 19, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 19, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

82. Arctic Ice Chart, August 2, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 2, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

83. Arctic Ice Chart, August 20, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 20, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

84. Arctic Ice Chart, August 23, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 23, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

85. Arctic Ice Chart, August 24, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 24, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

86. Arctic Ice Chart, August 25, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 25, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

87. Arctic Ice Chart, August 26, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 26, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

88. Arctic Ice Chart, August 27, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 27, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

89. Arctic Ice Chart, August 3, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 3, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

90. Arctic Ice Chart, August 30, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 30, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

91. Arctic Ice Chart, August 31, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 31, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

92. Arctic Ice Chart, August 4, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 4, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

93. Arctic Ice Chart, August 5, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 5, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

94. Arctic Ice Chart, August 6, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 6, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

95. Arctic Ice Chart, August 9, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 9, 1999. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

96. Arctic Ice Chart, December 1, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 1, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

97. Arctic Ice Chart, December 10, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 10, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

98. Arctic Ice Chart, December 13, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 13, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

99. Arctic Ice Chart, December 14, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 14, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).

100. Arctic Ice Chart, December 15, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for December 15, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).