维基百科

File:Alaska patterned ground 1973.jpg

原始文件 （2,907 × 1,932像素，文件大小：1.35 MB，MIME类型：image/jpeg）

这是一张修改过的图片，这意味着它已在原版本的基础上通过软件进行了编辑。其原始版本为：PATTERNED GROUND SHOWS ICE POLYGONS (LATTICE OUTLINES) AND TYPICAL SUMMER ARCTIC TUNDRA. PATTERNED GROUND, ICE... - NARA - 550392.jpg。

摘要

描述
English: Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra. Patterned Ground, Ice Polygons, and Permafrost Are Found Along the Entire Route of the Line, Although They Are Relatively Rare South of the Yukon River. Alaska (US state). Environmental Protection Agency, Project DOCUMERICA.
日期
来源

Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra...08/1973 (https://arcweb.archives.gov/arc/action/ExternalIdSearch?id=550392 Persistent URL).

  • Repository: Still Picture Records Section, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001.
  • U.S. National Archives’ Local Identifier: 412-DA-7907
本影像可以从美国国家档案和记录管理局获得，已经编入ARC识别码（国家档案识别码）550392。

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作者 Dennis Cowals (1945-)
其他版本

For information about ordering reproductions of photographs held by the Still Picture Unit, visit: www.archives.gov/research/order/still-pictures.html

Reproductions may be ordered via an independent vendor. NARA maintains a list of vendors at www.archives.gov/research/order/vendors-photos-maps-dc.html

Buy copies of selected National Archives photographs and documents at the National Archives Print Shop online: http://gallery.pictopia.com/natf/photo/

许可协议

This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
  1. The copyright is in the public domain because it has expired;
  2. The copyright was injected into the public domain for other reasons, such as failure to adhere to required formalities or conditions;
  3. The institution owns the copyright but is not interested in exercising control; or
  4. The institution has legal rights sufficient to authorize others to use the work without restrictions.

More information can be found at https://flickr.com/commons/usage/.

Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information.
This image, originally posted to Flickr, was reviewed on 4 May 2011 by the administrator or reviewer Logan, who confirmed that it was available on Flickr under the stated license on that date.

说明

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版权状态

无已知著作权限制 繁体中文（已转写）

许可协议

无已知著作权限制 繁体中文（已转写）

多媒体类型

image/jpeg

校验和 简体中文（已转写）

7351bf5a6d0fe130c278ee2e633e833f147bcfa5

断定方法：​SHA-1 简体中文（已转写）

数据大小 简体中文（已转写）

1,413,910 字节

高度

1,932 像素

宽度

2,907 像素

文件历史

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当前2011年6月28日 (二) 22:202011年6月28日 (二) 22:20版本的缩略图2,907 × 1,932（1.35 MB）HohumCropped, colour correction (compared to other Arctic tundra polygons)
2011年5月4日 (三) 00:312011年5月4日 (三) 00:31版本的缩略图3,000 × 2,018（1.06 MB）Logan{{Information |Description='''Original Caption:''' Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra. Patterned Ground, Ice Polygons, and Permafrost Are Found Along the Entire Route of the Line, Although They Are Rela

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