NYU Spatial Data Repository

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1. 100-Meter Resolution Land/Water Mask of Alaska, 2013

2013. Geological Survey (U.S.). This raster layer is a100-meter resolution land and water mask in (GeoTIFF format) of the conterminous Alaska, with separate values for oceans and ... National Atlas of the United States.

2. 100-Meter Resolution Land/Water Mask of Hawaii, 2013

2013. Geological Survey (U.S.). This raster layer is a100-meter resolution land and water mask in (GeoTIFF format) of Hawaii, with separate values for oceans and for land areas of... National Atlas of the United States.

3. 100-Meter Resolution Land/Water Mask of Puerto Rico and the U.S. Virgin Islands, 2013

2013. Geological Survey (U.S.). This raster layer is a100-meter resolution land and water mask in (GeoTIFF format) of Puerto Rico and the U.S. Virgin Islands, with separate values... National Atlas of the United States.

4. 100-Meter Resolution Land/Water Mask of the Conterminous United States, 2013

2013. Geological Survey (U.S.). This raster layer is a georeferenced image containing a 100-meter resolution land and water mask of the conterminous United States, with separate v... National Atlas of the United States.

5. 10-Meter Bathymetric Contours: Continental Shelf, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polyline shapefile was made from 75 original tiled Digital Elevation Models (DEMs) that were mosaicked into one grid and resampled to 200 mete... California. Department of Fish and Game. Marine Resources Region.

6. 1:1,000,000-Scale Coastline of the United States, 2014

2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.

7. 12-Nautical Mile Coastal Boundary, California, 2001

2001. King, C., California. Department of Fish and Game. Marine Resources Region, and Kum, J. This line shapefile represents the 12 nautical mile distance from the California coastline. It was created by buffering the county-coastline, which... California. Department of Fish and Game. Marine Resources Region.

8. 15 Degree Graticule, Northeast United States, 2010

2010. United States. National Oceanic and Atmospheric Administration, United States. National Ocean Service, United States. Department of Commerce, and Coastal Services Center (U.S.). This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the Northeastern United States at 15 degree ... Coastal Services Center (U.S.).

9. 1-Nautical Mile Boundary, Channel Islands, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents a 1 nautical mile buffer around the Channel Islands in California. This layer does not include some existing nearsho... California. Department of Fish and Game. Marine Resources Region.

10. 1-Nautical Mile Boundary (Polygon), Channel Islands, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents the 1 nautical mile buffer around the Channel Islands in California. This layer does not include some existing nears... California. Department of Fish and Game. Marine Resources Region.

11. 1-Nautical Mile Coastal Boundary, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region and Serpa, Paulo. This line shapefile represents the 1 nautical mile distance from the California coastline. This layer is part of a collection of data created by th... California. Department of Fish and Game. Marine Resources Region.

12. 1-Nautical Mile Coastal Boundary (Polygon), California, 2001

2004. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the coastal area of 1 nautical mile distance form the California shoreline. This layer was created by extracting ... California. Department of Fish and Game. Marine Resources Region.

13. 3 Nautical Mile Offshore Jurisdictional Boundary, California, 1999

1996. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the 3 nautical mile offshore jusdictional boundary for the State of California. The file is a polyline digitized ... California. Department of Fish and Game. Marine Resources Region.

14. 3-Nautical Mile Coastal Boundary, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region and Kum, J. This polygon shapefile shows the standard 3 nautical mile California state water boundary. It was created by buffering the line file called county-... California. Department of Fish and Game. Marine Resources Region.

15. 50-Foot Bathymetric Contours: California, Continental Shelf, 2000

2000. California. Department of Fish and Game. Marine Resources Region and National Ocean Service Hydrographic Surveys. This polyline shapefile depicts bathymetric contour line coverage for California that generally covers the continental shelf at 50 foot contour res... California. Department of Fish and Game. Marine Resources Region.

16. 5-Meter Contours: California Coast, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This line shapefile depicting bathymetric contour line at 5-meter intervals was created out to the 200 mile Exclusive Economic Zone (EEZ) boundary ... California. Department of Fish and Game. Marine Resources Region.

17. 90-Meter Bathymetric Grid, New England, 1999

1999. National Geophysical Data Center, United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Environmental Satellite, Data, and Information Service. This raster dataset provides bathymetry information at a resolution of 90 meters for New England- from coastal regions to the edge of the continent... National Geophysical Data Center.

18. Abundance Estimates of the Pacific Salmon Conservation Assessment Database, 1978-2008

1978. Pinsky, Malin L., Springmeyer, Dane B., Goslin, Matthew N., and Augerot, Xanthippe. This dataset is a visualization of abundance estimates for six species of Pacific salmon (Oncorhynchus spp.): Chinook, Chum, Pink, Steelhead, Socke... Stanford Digital Repository.

19. Aids to Navigation, Northeast United States, 2012

2012. I.M. Systems Group. This point shapefile represents marine aids to navigation in the Northeastern United States. The Coast Guard maintains systems of marine aids to na... Coastal Services Center (U.S.).

20. Anchorages, Northeast United States, 2013

2013. Baldwin Group. This polygon shapefile represents anchorages in the Northeastern United States. The areas described are designated as special anchorage areas for p... Coastal Services Center (U.S.).

21. Aquaculture Leases: California, 2011

2011. California. Department of Fish and Game. Marine Resources Region and California Department of Fish and Wildlife Aquaculture and Bay Management . This polygon shapefile depicts the location and extent of aquaculture leases in California. The purpose of operation, species and approved cultivat... California. Department of Fish and Game. Marine Resources Region.

22. Aquaculture, Northeast United States, 2014

2013. SeaPlan. This polygon shapefile represents aquaculture regions in the northeastern United States. Aquaculture in the northeast region is a diverse, vibrant ... Northeast Ocean Data.

23. Arctic Ice Chart, April 1, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 1, 1966. This layer is part of the Arctic Climate System (ACSYS) Histo... Arctic Climate System (ACSYS).

24. Arctic Ice Chart, April 1, 1967

1967. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1967. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

25. Arctic Ice Chart, April 1, 1968

1968. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1968. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

26. Arctic Ice Chart, April 1, 1970

1970. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1970. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

27. Arctic Ice Chart, April 1, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1971. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

28. Arctic Ice Chart, April 1, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1974. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

29. Arctic Ice Chart, April 1, 1977

1977. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1977. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

30. Arctic Ice Chart, April 1, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1982. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

31. Arctic Ice Chart, April 1, 1984

1984. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1984. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

32. Arctic Ice Chart, April 1, 1985

1985. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1985. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

33. Arctic Ice Chart, April 1, 1986

1986. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1986. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

34. Arctic Ice Chart, April 1, 1996

1996. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1996. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

35. Arctic Ice Chart, April 1, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1997. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

36. Arctic Ice Chart, April 1, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 1, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

37. Arctic Ice Chart, April 10, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 10, 1972. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

38. Arctic Ice Chart, April 10, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 10, 1980. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

39. Arctic Ice Chart, April 10, 1985

1985. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 10, 1985. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

40. Arctic Ice Chart, April 10, 1989

1989. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 10, 1989. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

41. Arctic Ice Chart, April 10, 1995

1995. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 10, 1995. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

42. Arctic Ice Chart, April 11, 1969

1969. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 11, 1969. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

43. Arctic Ice Chart, April 11, 1988

1988. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 11, 1988. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

44. Arctic Ice Chart, April 11, 1994

1994. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 11, 1994. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

45. 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).

46. Arctic Ice Chart, April 12, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 12, 1973. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

47. Arctic Ice Chart, April 12, 1977

1977. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 12, 1977. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

48. Arctic Ice Chart, April 12, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 12, 1978. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

49. 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).

50. Arctic Ice Chart, April 13, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1971. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

51. Arctic Ice Chart, April 13, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1972. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

52. Arctic Ice Chart, April 13, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1976. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

53. Arctic Ice Chart, April 13, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1982. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

54. Arctic Ice Chart, April 13, 1987

1987. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1987. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

55. Arctic Ice Chart, April 13, 1992

1992. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1992. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

56. Arctic Ice Chart, April 13, 1993

1993. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 13, 1993. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

57. 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).

58. 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).

59. Arctic Ice Chart, April 14, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

60. Arctic Ice Chart, April 14, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1980. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

61. Arctic Ice Chart, April 14, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1997. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

62. Arctic Ice Chart, April 14, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 14, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

63. 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).

64. Arctic Ice Chart, April 15, 1966

1966. Arctic Climate System (ACSYS). This line shapefile contains ice observations in the Arctic region for April 15, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).

65. Arctic Ice Chart, April 15, 1967

1967. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1967. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

66. Arctic Ice Chart, April 15, 1968

1968. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1968. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

67. Arctic Ice Chart, April 15, 1970

1970. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1970. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

68. Arctic Ice Chart, April 15, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1971. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

69. Arctic Ice Chart, April 15, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1978. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

70. Arctic Ice Chart, April 15, 1984

1984. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1984. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

71. Arctic Ice Chart, April 15, 1986

1986. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1986. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

72. Arctic Ice Chart, April 15, 1996

1996. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1996. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

73. Arctic Ice Chart, April 15, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 15, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

74. 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).

75. Arctic Ice Chart, April 16, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1973. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

76. Arctic Ice Chart, April 16, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

77. Arctic Ice Chart, April 16, 1985

1985. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1985. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

78. Arctic Ice Chart, April 16, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 16, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

79. 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).

80. Arctic Ice Chart, April 17, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1972. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

81. Arctic Ice Chart, April 17, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

82. Arctic Ice Chart, April 17, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

83. Arctic Ice Chart, April 17, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1980. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

84. Arctic Ice Chart, April 17, 1989

1989. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1989. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

85. Arctic Ice Chart, April 17, 1990

1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

86. Arctic Ice Chart, April 17, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 17, 1998. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

87. Arctic Ice Chart, April 18, 1969

1969. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1969. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

88. Arctic Ice Chart, April 18, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

89. Arctic Ice Chart, April 18, 1977

1977. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1977. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

90. Arctic Ice Chart, April 18, 1983

1983. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1983. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

91. Arctic Ice Chart, April 18, 1988

1988. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1988. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

92. Arctic Ice Chart, April 18, 1994

1994. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1994. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

93. Arctic Ice Chart, April 18, 1995

1995. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 18, 1995. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

94. Arctic Ice Chart, April 19, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1971. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

95. Arctic Ice Chart, April 19, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1978. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

96. Arctic Ice Chart, April 19, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

97. Arctic Ice Chart, April 19, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1982. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

98. Arctic Ice Chart, April 19, 1993

1993. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 19, 1993. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

99. 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).

100. Arctic Ice Chart, April 2, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 2, 1973. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).