O-LevelGeographyThe natural environment2217/12 · Oct/Nov 2022 · Q325 Marks

(a) Study Fig. 3.1, which shows two weather instruments used to collect information about the wind. [Figure 3.1] (b) Study Table 3.2, which is information collected at a weather station at Damas, Costa Rica, in 2016. [Table 3.2]

(a)(i)Using Fig. 3.1, state the direction from which the wind was blowing.[1]
(a)(ii)Name the two weather instruments shown in Fig. 3.1. 1 2[2]
(a)(iii)Where should the instruments in Fig. 3.1 be located? Give reasons for your answer.[3]
(a)(iv)Describe the impacts of tropical storms on people living in coastal communities.[4]
(b)(i)Using Table 3.2 only, compare the conditions experienced at Damas between January and March with those experienced between August and November. Do not use statistics in your answer.[3]
(b)(ii)Explain how information about relative humidity can be collected for a period of one month.[5]
(c)For a named river you have studied, explain how flooding is being managed. Named river ...........................................................[7]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.

[1] NE/North-East
[1] Wind vane/weather vane;
[1] Anemometer.
[1] On roof/at a high point/on top of a pole/top of a hill;
[1] Away from trees;
[1] Away from buildings;
[1] In an area which is fenced/secure.
[1] To prevent wind being blocked/disrupted/channeled by buildings;
[1] To prevent tampering/vandalism etc.
[1] Death/injury;
[1] damage to settlements/property/houses/roof slates blown off/chimneys collapse/homelessness;
[1] carpets ruined/possessions destroyed;
[1] Need to evacuate;
[1] Roads damaged/flooded/access prevented/cars damaged;
[1] Water borne disease/cholera;
[1] Workplaces damaged/closed/people unable to work/fishing industry/port activity disrupted;
[1] Schools/shops/churches (or another specific example) damaged;
[1] Electricity cut off;
[1] Water supplies polluted;
[1] Damage to boats;
[1] Cost of rebuilding;
[1] Dependence on welfare/aid;
[1] Crops/livestock/farmland destroyed/salination of soils/soil washed away etc.
[1] January to March is (slightly) higher maximum temperature;
[1] No variation in minimum temperature;
[1] January to March has higher temperature range;
[1] August to November has higher (relative) humidity/humidity increases by Aug to Nov;
[1] August to November has higher rainfall/rainfall increases by Aug to Nov/rainfall is approx. 10 X higher etc.
[1] Use wet and dry (bulb) thermometer/hygrometer (or use a digital hygrometer);
[1] Check every day/daily;
[1] Check at the same time (each day);
[1] Read temperatures on wet and dry bulb;
[1] Work out difference between wet and dry bulb temp./depression of wet bulb;
[1] Use (relative humidity) table;
[1] Read off figure displayed/statistics from data logger (if digital hygrometer) etc.
Level 1 (1-3 marks): Statements including limited detail which describe how flooding is being managed.
Level 2 (4-6 marks): Uses named example. More developed statements which explain how flooding is being managed.
Level 3 (7 marks): Comprehensive and accurate statements, including some place specific details.
Content Guide (for 3c): Answers will vary according to example chosen but are likely to refer to: Dams/reservoirs/artificial lakes; Dredging/deepening channel; Straightening river; Afforestation/reduction of deforestation; Land use zoning/not building on flood plain; Overflow channels/spillways; Sluice gates/spreading grounds; Levees/embankments/barriers; Monitoring/prediction/early warning/evacuation/alarms; Education about flood prevention; Sandbags; Buildings on stilts etc. Place specific reference is likely to consist of: Locational details, named places along river, specific details of schemes etc.