Question 1 Report
The table below shows ash measurements collected from three farms after an eruption of Sakurajima volcano, Japan. Fig. 1 is a field sketch showing the volcano, plume direction and farms at different distances. Farmers were advised to protect machinery and water supplies when ash was forecast.
| Farm | Distance from crater (km) | Ash thickness after 24 hours (mm) | Milk production reduction (%) |
|---|---|---|---|
| East Farm | 4 | 18 | 29 |
| Central Farm | 9 | 7 | 12 |
| West Farm | 16 | 2 | 3 |
(a) Which farm received the thickest ash fall? [1]
(b) Outline one way volcanic ash can affect farming. [1]
(a) East Farm [1]. (b) Any one: ash contaminates animal feed [1]; ash damages crops [1]; ash blocks machinery [1]; ash contaminates water supplies [1]. [1]
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