greenland_summer_campaign_3 : 無料・フリー素材/写真
greenland_summer_campaign_3 / NASA Goddard Photo and Video
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Streams and rivers that form on top of the Greenland ice sheet during spring and summer are the main agent transporting melt runoff from the ice sheet to the ocean.“Surface melting in Greenland has increased recently, and we lacked a rigorous estimate of the water volumes being produced and their transport,” said Tom Wagner, the cryosphere program scientist at NASA Headquarters in Washington. “NASA funds fieldwork like Smith’s because it helps us to interpret satellite data, and to extrapolate measurements from the local field sites to the larger ice sheet."Credit: NASA/Goddard/Maria-José Viñas Read more: www.nasa.gov/feature/a-summer-of-nasa-research-on-sea-lev...NASA image use policy.NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.Follow us on TwitterLike us on FacebookFind us on Instagram |
| 撮影日 | 2015-07-19 00:43:14 |
| 撮影者 | NASA Goddard Photo and Video , Greenbelt, MD, USA |
| タグ | |
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| カメラ | Canon PowerShot S120 , Canon |
| 露出 | 1/2500 sec |
| 開放F値 | f/8.0 |
| 焦点距離 | 13745.7037 dpi |