Sheet Erosion : 無料・フリー素材/写真
Sheet Erosion / SoilScience.info
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | An example of sheet erosion showing how small rocks can protect the surface of the soil from the impact of rain drops.Photo by John A. Kelley, USDA Natural Resources Conservation Service If this photo is used in a publication, on a web site, or as part of any other project, please use the provided photo credit. This photo may not be used to infer or imply USDA-NRCS endorsement of any product, company, or position. Please do not distort or alter the images the photos portray. |
| 撮影日 | 2005-08-09 13:17:38 |
| 撮影者 | SoilScience.info , Raleigh |
| タグ | |
| 撮影地 | |
| カメラ | E-10 , OLYMPUS OPTICAL CO.,LTD |
| 露出 | 0.003 sec (1/400) |
| 開放F値 | f/4.0 |
| 焦点距離 | 9 mm |