1. Physical data gathering techniques Flashcards
methodology - what used for
beach profile - methodology and what used for
to measure the shape and morphology of a beach from a fixed point down to the beaches low water mark
1) decide on the sampling method eg stratified
2) locate sampling points - by visual changes in slope
3) use reference points for each sample - ranging pole
4) use compass for bearing, make sure facing same direction each time
5) measuring point A should be low tide, take readings at each point
6) measure ground distance between poles
7) record sediment size, bedrock ect if making comparisons
microclimate analysis - methodology and what used for
To establish and then explain the pattern of microclimate variations such as atmospheric conditions within an area
1) decide sampling type eg stratified
2) measure wind speed, direction, weather temp and humidity
3) note timing and reading of frequencies
4) use compass to determine N
5) record where wind is from and keep variable
6) use beauford scale to find out wind speed
pebble/sediment analysis - methodology and what used for
to measure size, shape and fabric of particles to learn about process involved in the erosion, transportation and deposition of material
1) decide on what sampling type eg random
2)reach down and use index finger to select first pebble
3) use pebbleometer or stoneboard to measure long and short axis
4) record measurements on the recording sheet
5) If needed write down any other stuff like grain size, debris lines ect
slope analysis - methodology and what used for
to measure and produce a profile of a slope. And other factors such as gradients and steepness
1)use appropriate sampling strategy
2) decide on line or transect across a field or area of land
3) use compass to work out bearing/orientation of transect line
4) use OS map to identify height of starting point
5) take photo to record position of this point
6) break transect into sections using any identifiable breaks in slope
7) label these ABC ect
8) ———
soil analysis - methodology and what used for
used to analysis composition, texture and physical and chemical properties of soil
stream analysis - methodology and what used for
to measure streams in terms of their size and shape, flow velocities and discharge levels
1) choose a suitable stream that’s safe
2) identify section of a stream that includes features that could influence flow and discharge
3) decide on number of sampling points
4) measure features such as channel width, bankfull depth and width and channel depth
vegetation analysis - methodology and what used for
Investigates the way plants adapt and respond to different (parts of) environments. Such as soil type, microclimate and aspect.
system diagram - methodology and what used for
shows systems cycles of how things work such as the water cycle