Water Quality Monitoring : 無料・フリー素材/写真
Water Quality Monitoring / born1945
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | The devise in Frank's hands is a water quality monitor. It can measure dissolved oxygen, pH, conductivity, and turbidity. Jackson Bottom Wetlands Preserve operates 2 of these devises, one in the Tualatin River and one in the Gene Pool, a large pond in the wetlands. |
| 撮影日 | 2007-04-12 20:20:47 |
| 撮影者 | born1945 |
| タグ | |
| 撮影地 | |
| カメラ | DSC-P52 , SONY |
| 露出 | 0.025 sec (1/40) |
| 開放F値 | f/3.8 |