| 1 | DEMETER has very often observed similar disturbances. | |
| 2 | Weak as it is, the disturbance in the wind field is discernible. | |
| 3 | Small disturbances have accumulated into large ones, and ultimately there has been a major foreign exchange "crisis. | |
| 4 | And this charge can be strong enough to affect the ionosphere, causing the disturbances documented by satellites. | |
| 5 | Some scientists have even proposed using such GPS disturbances to track tsunamis in the open sea, Okal added. |