+ PGIS techniques to identify land use conflicts in Portsmouth Hélène Draux, Cities Institute
May 30, 2015
+
PGIS techniques to identify land use conflicts in Portsmouth
Hélène Draux, Cities Institute
+Scope: widening participation
Avoid lengthy meetings/focus group
Avoid/minimize promotion issues
Avoid ‘loud’ voice bias
+Aims
Assess value of vulnerable open spaces
Assess flood knowledge
Understand perception of space regarding flood risks
+Conceptual framework
School survey
Children
+Face-to-face survey:Open space users and/or Farlington Marshes users, stakeholders
45 questions
15 minutes
2 types of mapping activities
+1. Where do you live?
3. Where are the flooding areas?
2. Where do you walk? What is your favourite place?
Maps as a supporting
tool to quickly record spatial data
+Overlay:
- land use- flood zone
Overlay:- Farlington
Marshes- scenario
..supporting tool to convey information quickly
+
Good qualitative data
Includes all willing users in just 15 minutes, without excepting them to come to a focus meeting
Time consuming
Surveys only small sample, and quite short survey
Relies on the weather
:(:)
+Summer fair survey:Open space users and/or Farlington Marshes users, stakeholders
Organised by Portsmouth Climate Action Network
1 sunny day
Around 60 participants for each of the 4 activities
+Activity 1: Use of parks
Most days Weekly Monthl
y Rarely
Walking
Dog Walking
Chill out
Bird watching
+Activity 2: Flood extent
+Activity 3: Land use priority
+Activity 4: Willingness-to-pay
+ :(:)
Can reach more diverse population:FamiliesYoung peopleLess frequent park
users ..
Needs lots of people to man the activities
Relies on the fair organisers .. and weather!
+Online surveyGeneral public, open space users and/or Farlington Marshes users and stakeholders
Based on Google Maps
Aims to:
Attract all population in Portsmouth
Potentially get a bigger sample
+www.openspaces-portsmouth.org.uk
+Google Map API v3
Add markers with a click
Capture geolocalised data
Display kml layers..
Fieldwork
+
Fieldwork
layers used: points, line and polygons
+
Can reach more participants
Once launched can run without more input
Do not rely on weather
:(:)
Excludes non-internet users and potentially non-computer literate
Requires coding
Needs advertising!
+Lessons learnt
Always expect to be surprised
Online survey seems easier.. It’s not!
Cannot work the same way in private spaces (shopping centre)
+Future work
Work with a school in Portsmouth (Priory School, Southsea)
Interviews with stakeholders of the Farlington Marshes