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1973年01月24日Antarctica UnpinnedJanuary 24, 1973 - Antarctica - For many ice shelves around Antarctica, the 1970s was a bumpy decade. Fast forward, and satellite images show that many of the bumps once prominently visible on the surface of ice shelves have smoothed implying that the shelves have become thinner and less stable. The image pair at the top of this page shows Pine Island Glacier, one of the regions in the Amundsen Sea Embayment where thinning was already underway in the 1970s. Several bumpy areas visible on the ice surface in January 1973 (left) are mostly smooth in December 2001 (right). Images were acquired with the MSS (Multispectral Scanner) on Landsat 1 (left) and the ETM+ (Enhanced Thematic Mapper Plus) on Landsat 7 (right). Note that the images use a grayscale palette to achieve a closer match between the different sensors. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022809958
1973年01月24日Antarctica UnpinnedJanuary 24, 1973 - Antarctica - For many ice shelves around Antarctica, the 1970s was a bumpy decade. Fast forward, and satellite images show that many of the bumps once prominently visible on the surface of ice shelves have smoothed implying that the shelves have become thinner and less stable. The image pair at the top of this page shows Pine Island Glacier, one of the regions in the Amundsen Sea Embayment where thinning was already underway in the 1970s. Several bumpy areas visible on the ice surface in January 1973 (left) are mostly smooth in December 2001 (right). Images were acquired with the MSS (Multispectral Scanner) on Landsat 1 (left) and the ETM+ (Enhanced Thematic Mapper Plus) on Landsat 7 (right). Note that the images use a grayscale palette to achieve a closer match between the different sensors. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022810019
1990年01月24日Antarctica UnpinnedJanuary 24, 1990 - Antarctica - For many ice shelves around Antarctica, the 1970s was a bumpy decade. Fast forward, and satellite images show that many of the bumps once prominently visible on the surface of ice shelves have smoothed implying that the shelves have become thinner and less stable. The image pair at the top of this page shows Pine Island Glacier, one of the regions in the Amundsen Sea Embayment where thinning was already underway in the 1970s. Several bumpy areas visible on the ice surface in January 1973 (left) are mostly smooth in December 2001 (right). Images were acquired with the MSS (Multispectral Scanner) on Landsat 1 (left) and the ETM+ (Enhanced Thematic Mapper Plus) on Landsat 7 (right). Note that the images use a grayscale palette to achieve a closer match between the different sensors. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022810213
2001年12月15日Antarctica UnpinnedDecember 15, 2001 - Antarctica - For many ice shelves around Antarctica, the 1970s was a bumpy decade. Fast forward, and satellite images show that many of the bumps once prominently visible on the surface of ice shelves have smoothed implying that the shelves have become thinner and less stable. The image pair at the top of this page shows Pine Island Glacier, one of the regions in the Amundsen Sea Embayment where thinning was already underway in the 1970s. Several bumpy areas visible on the ice surface in January 1973 (left) are mostly smooth in December 2001 (right). Images were acquired with the MSS (Multispectral Scanner) on Landsat 1 (left) and the ETM+ (Enhanced Thematic Mapper Plus) on Landsat 7 (right). Note that the images use a grayscale palette to achieve a closer match between the different sensors. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022809919
2001年12月15日Antarctica UnpinnedDecember 15, 2001 - Antarctica - For many ice shelves around Antarctica, the 1970s was a bumpy decade. Fast forward, and satellite images show that many of the bumps once prominently visible on the surface of ice shelves have smoothed implying that the shelves have become thinner and less stable. The image pair at the top of this page shows Pine Island Glacier, one of the regions in the Amundsen Sea Embayment where thinning was already underway in the 1970s. Several bumpy areas visible on the ice surface in January 1973 (left) are mostly smooth in December 2001 (right). Images were acquired with the MSS (Multispectral Scanner) on Landsat 1 (left) and the ETM+ (Enhanced Thematic Mapper Plus) on Landsat 7 (right). Note that the images use a grayscale palette to achieve a closer match between the different sensors. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022809890
2006年08月08日Pine Island GlacierAug 8, 2006 - Walgreen Coast, Marie Byrd Land, Antarctic - A close-up image of the crack spreading across the ice shelf of Pine Island Glacier shows the details of the boulder-like blocks of ice that fell into the rift when it split. For most of the 18-mile stretch of the crack that NASA‘s DC-8 flew over on Oct. 26, 2011, it stretched about 240 feet wide, as roughly seen here. The deepest points ranged from about 165 to 190 feet, roughly equal to the top of the ice shelf down to sea level. Scientists expect the crack to propagate and the ice shelf to calve an iceberg of more than 300 square miles in the coming months. This image was captured by the Digital Mapping System (Credit Image: © NASA/ZUMA Press Wire Service/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ Ｓｅｒｖｉｃｅ／ＺＵＭＡＰＲＥＳＳ．ｃｏｍ／共同通信イメージズ
商品コード: 2021121609836
2012年02月04日南極の氷河にできた亀裂 巨大氷河が誕生へ南極のパインアイランド氷河にできた亀裂（矢印）＝２０１１年１１月（ＮＡＳＡ提供・共同）
商品コード: 2012020400043
2012年02月04日南極の氷河にできた亀裂 巨大氷河が誕生へ南極のパインアイランド氷河にできた亀裂（矢印）＝２０１１年１１月（ＮＡＳＡ提供・共同）
商品コード: 2012020400285
2024年01月20日Antarctica UnpinnedJanuary 20, 2024 - Antarctica - This image acquired with the OLI-2 (Operational Land Imager-2) on Landsat 9, shows Pine Island Glacier‘s ice shelf in January 2024. By then, the smooth, thinning shelf had lost additional ice along its front and northern margin, and fractured ice was visible along the southern edge. With Pine Island Glacier at or near the point of being completely unanchored, its ability to buttress ice has already been minimized. The “greater concern,“ Miles and Bingham pointed out in their paper, might be the other major ice shelves that are still heavily anchored but showing signs of quickly losing their pinning points. (Credit Image: © NASA/ZUMA Press Wire/ZUMAPRESS.com)、クレジット：©ＮＡＳＡ／ＺＵＭＡ Ｐｒｅｓｓ Ｗｉｒｅ／共同通信イメージズ
商品コード: 2024022809660
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