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Pre trip briefing
 

Pre trip briefing

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Pre trip briefing Pre trip briefing Presentation Transcript

  • Hengistbury Head Preparation • Meet at 7am by the minibuses • Lunch and money • Camera (phone)
  • Equipment
  • “How do geomorphic processes affect Hengistbury Head?” key questions 1 2 3 4 5
  • Eyes were invented before instruments
  • HomeworkFind out how to use your phone!
  • iGeology
  • Audioboo / Voice Memos
  • OneNote / Notepad
  • Evernote
  • Photo and video apps. Photosynth
  • Links to key Data Method Limitations Solutions question What did you Problems? What did you How reliable I do? do to get good your data? data? Sampling?Land use mapBeach Profile
  • Hengistbury Head map 3: Coastal management techniques
  • MethodologyIdentify 3 sampling sites across the width of the beach to measure your beach profiles – Mark these clearly on your mapFor each Site:- • Place a Ranging Pole at A (as close to the low-tide mark as safe) • Identify the key points where the slope angle seems to change (eg. Diagram A below) – use each of these points to divide your profile into sections • Measure the distance between point A and B using a measuring tape (Record this in the tables on the next page) • Measure the slope angle between point A and B using a clinometer (Record this in the tables on the next page) • Repeat this process for Sections B-C, C-D, etc Diagram A
  • Methodology Updrift Downdrift1. Identify a sample of 5-10 groynes and mark these on your map2. As close to the low water Wave Direction mark as is safe use a Diagram C metre rule to measure the exposed height of the groyne updrift (direction waves are coming from) – See Diagram B and C – Record this in the table on the next page3. Repeat the same exercise downdrift of the groyne Diagram B Height of Exposed Groyne
  • VA A SA SR R VR
  • For your safety: • Remain in groups of 2 or 3 at all times • Obey all signs in the area • Do not go into the water No using the or climb on cliffs ferry! In your group, you need to: • Conduct 4 Beach Profiles • Complete 10 Groyne height measurements • Complete pebble sampling • Complete land use mapping • Map sea defencesLimit of activity • Conduct questionnaires • Create field sketches and maps • Take photographs of evidence of coastal processes, existing seaPC= Toilets defences, land uses, economic activity, habitats • Make notes on the area • Complete any extra data collection • Make notes on anyMeet at the café drop off point at 10am, 11:30am, 2pm, 2:30pm problems and limitationsOur slot at Beach survey is: of your data collection