biosphere people session · biosphere people session . special partnership •partners from approx....
TRANSCRIPT
Biosphere People Session
Special Partnership • Partners from approx. 30 organisations
• Exciting new work:
• 25 Year Environment Plan – Landscape Pioneer
– Marine Pioneer
• SWEEP – multi disciplinary programme led by Exeter University
with Plymouth University and PML
– Working on a range of projects that aim to deliver transformative regional impact using a natural capital approach
Flood Reduction….naturally
Natural Flood Management
Andy Bell
Context for Flood Management
• Pitt review 2008
– Catchment Flood Risk Management Plan
• National Ecosystem Assessment
– Highlight the value of natural measure and cost effectiveness
• Defra 25 Year Environment Plan
– Increase the natural capital providing a range of services for well being
Braunton Flood Risk Map
Times of higher flow
0.00
0.20
0.40
0.60
0.80
1.00
1.20
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
20/01/17 27/01/17 03/02/17 10/02/17 17/02/17 24/02/17 03/03/17 10/03/17
FLO
W V
ELO
CIT
Y (M
/S)
FLO
W R
ATE
(C
UM
ECS)
AN
D W
ATE
R L
EVEL
(M
)
Date
ACLAND STRM D/S FLOW RATE ACLAND STRM D/S ISCO LEVEL ACLAND STRM D/S FLOW VELOCITY
Rainfall and Instream Flow Rate
0.000
0.050
0.100
0.150
0.200
0.250
0.300
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
10
:15
:00
11
:00
:00
11
:45
:00
12
:30
:00
13
:15
:00
14
:00
:00
14
:45
:00
15
:30
:00
16
:15
:00
17
:00
:00
17
:45
:00
18
:30
:00
19
:15
:00
20
:00
:00
20
:45
:00
21
:30
:00
22
:15
:00
23
:00
:00
23
:45
:00
00
:30
:00
01
:15
:00
02
:00
:00
02
:45
:00
03
:30
:00
04
:15
:00
05
:00
:00
05
:45
:00
06
:30
:00
07
:15
:00
08
:00
:00
08
:45
:00
09
:30
:00
10
:15
:00
11
:00
:00
11
:45
:00
12
:30
:00
13
:15
:00
14
:00
:00
Flo
w R
ate
(cu
mec
s)
Rai
nfa
ll (m
m)
Date and Time
Acland Rainfall and Flow Rate
Rainfall(mm)
Flow rate(Cumecs)
29/01/2017 30/01/2017
Runoff Map
Location of NFM Measures
Legend
Boode_NFM
feature
Constructed wetland
Dam/Leaky dropboards
Ehanced wetland
Hedge Enhance
Hedge New
Leakey Hedge/Dam
NFM planting
171.57m 179.18m
129.99m 84.96m
156.67m
27.3m
Hedgerow Specification
Fence
2.85m
0.57m2
0.4m
0.15m
1.2m
1.51m
0.23m2
1.5m
Fence
1.6m
Concavity 80-100mm
0.8m
0.83m
0.72m2
Baffle dam cross-section
0.5m 1m 0
Log dams
Wookey Hole Village (2017) Source: http://www.wookeyhole.info/index.php/useful-
information/190-build-a-leaky-dam-and-do-your-bit
Log dams - Stroud
Photo by: Sophia Craddock
Photo by: Sophia Craddock
Photo by: Sophia Craddock
Photo by: Sophia Craddock
Woodland Planting
Area 1: 0.17ha
Area 2: 0.42ha
Scheme Costs Item Cost Source
Project Management £2,500 DCC/EA Design £3,000 DCC/EA
Ante project river monitoring £7,000 DCC/EA
Groundworks & hedge banks £23,400 DCC/EA
large woody debris dams materials and installation
£3,600 DCC/EA
fencing £2,000 DCC/EA Sub Total £41,500
Woodland Planting £20,000 Biodiversity Offset Post project monitoring and assessment (equipment and report)
£40,000 NE
TOTAL £101,500
Next steps
Next steps
Flood Attenuation
Identify presence/absence and abundance of flood reducing habitats
Kenwith NFM
Coastal NFM
Ilfracombe NFM Combe Martin
NFM
Culm Project
Woods4Water
Key Questions
• This needs to happen a lot more; how do we achieve that?
• How can we streamline the processes?
• How can we involve the community more?
• Is there a way be smarter with developer contributions and net gain?
Thank you for participating