II. ‘State of the Art’ on sensitivity mapping...BE-AWARE Sensitivity Mapping Workshop ESI 1: low...
Transcript of II. ‘State of the Art’ on sensitivity mapping...BE-AWARE Sensitivity Mapping Workshop ESI 1: low...
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http://www.mumm.ac.be/ [1]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Introduction
I. Ecosystem & human uses in BA area
II. ‘State of the Art’ on sensitivity mapping
Ronny Schallier
MUMM/RBINS (BE)
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http://www.mumm.ac.be/ [2]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
‘Task F’ in Brief
Towards a common approach on sensitivity mapping
– Establish common criteria & qualitative descriptions
– Main focus on potential coastal impact (incl. seasonal variability)
– Build on work already done BA, BRISK
– Draw on a major socio-economic analysis in OSPAR
Undertake a Workshop (early 2013) to agree on approach
Result: Preliminary report on joint environmental & socio-
economic sensitivity mapping
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http://www.mumm.ac.be/ [3]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
I. Ecosystems & human uses in BA area
Introduction to:
Environment & ecosystems
Human uses (socio-economic charact.)
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http://www.mumm.ac.be/ [4]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
The BA area: ‘Greater North Sea and its wider Approaches’
~OSPAR Regions
II, III & (part of) V
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http://www.mumm.ac.be/ [5]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Wide variety of depths in BA area
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http://www.mumm.ac.be/ [6]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
(Region II)
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http://www.mumm.ac.be/ [7]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Mixed & stratified water / Fronts – Region II
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http://www.mumm.ac.be/ [8]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Water masses & Fronts
– Region III & V
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http://www.mumm.ac.be/ [9]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Variety of seabed sediment types
- Region II & III
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http://www.mumm.ac.be/ [10]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Tidal ranges
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http://www.mumm.ac.be/ [11]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Max. tidal stream amplitudes
(knots)
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http://www.mumm.ac.be/ [12]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Seasonal variability
in North Sea – Region II
Sea-surface T distribution (°C)
(a) yearly cycle amplitude
(b) Mean
(c) Minima
(d) Maxima
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http://www.mumm.ac.be/ [13]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BA area Wide variety of shorelines & coastal habitats
- being reflection of strongly varying dynamics -
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http://www.mumm.ac.be/ [14]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Diverse marine habitats/ecosystems
and large variety of (often sensitive) organisms
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http://www.mumm.ac.be/ [15]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
With wide variety of human uses … and appreciation
High socio-economic importance of seas and shores !
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http://www.mumm.ac.be/ [16]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
OSPAR list of threatened/declining Species & Habitats
Several marine/deep-sea
habitats:
- Lophelia pertusa coldwater coral reefs
- Coral gardens
- Carbonate mounds
- Deep-sea Sponge aggregations
- Seapen and burrowing megafauna
- Maerl beds
- Oyster grounds
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http://www.mumm.ac.be/ [17]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
II. ‘State of the Art’ in sensitivity mapping
BONN AGREEMENT (national systems / BA Workshop 2008)
BRISK (HELCOM)
BE-AWARE project Adaptation of BRISK?
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http://www.mumm.ac.be/ [18]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Bonn Agreement
National systems of sensitivity mapping
+ BA Workshop (GE, 2008) conclusions
source: BA Compilation, 2005/08
BA Workshop PPTs , 2008
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http://www.mumm.ac.be/ [19]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National systems of sensitivity mapping
NL – monthly seabird maps
seasonal EEZ maps
UK - coastal maps (Magic/Defra)
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http://www.mumm.ac.be/ [20]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
GE – detailed, quantitative maps (Waddensea !)
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http://www.mumm.ac.be/ [21]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
FR – Coastal maps based on 3 indices (geomorphological, ecological, socio-economic)
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http://www.mumm.ac.be/ [22]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
NO (MOB-model) - Sensitivity maps, used as support tool in
response, but also for strategic studies (risk assessments)
• Recommended in ‘Safety@Sea’
• Used by DNV in ERAs for offshore
industry and shipping
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http://www.mumm.ac.be/ [23]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National systems of sensitivity mapping
Level of detail and development varies significantly
But several STRIKING SIMILARITIES in basic approach!
EXAMPLES
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http://www.mumm.ac.be/ [24]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National Systems
Ex.1:
Some CPs: only ‘mapping’ of sensitive sites
- UK, IRL -
Most CPs: RANKING of sensitivity based on pre-defined criteria
- NO, SE, GE, NL, FR, BE, DK -
~UK: MEHRAs studies
Qualitative: ‘Low’ ‘Medium’ ‘High’
Quantitative: using classification scales (e.g. 0-9)
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http://www.mumm.ac.be/ [25]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National Systems
Ex.2:
Most, if not all CPs take into account:
SHORELINE TYPE sensitivity based on geomorphology
(cf. ESI (G.&H.) - with local adaptations in FR,GE)
CONSERVATION VALUE of a resource
(Protected Areas)
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http://www.mumm.ac.be/ [26]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013 ESI 1: low 10: high
ESI Shoreline type
1 Exposed rocky shore, solid structures, rocky cliffs
2 Exposed wave-cut platforms in bedrock, mud or clay;
exposed scarps and steep slopes in clay
3 Fine- to medium-grained sand beaches
Scarps and steep slopes in sand
4 Coarse-grained sand beaches
5 Mixed sand and gravel beaches
6 Gravel beaches (granules & pebbles)
Riprap structures and gravel beaches (cobbles & boulders)
7 Exposed tidal flats
8 Sheltered rocky shore and scarps in bedrock, mud or clay;
Sheltered solid structures, riprap, rocky rubble shores, peat shorelines
9 Sheltered tidal flats, vegetated low banks
10 Salt & brackish water marshes, freshwater marshes, swamps, mangroves
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http://www.mumm.ac.be/ [27]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National Systems
Ex.3:
Many CPs focus on COASTAL sensitivity
- UK, SE, IRL, FR, (GE-North Sea) -
Many other CPs however also consider OFFSHORE sensitivity
- BE, NL, NO, DK, (GE-Baltic), (UK for seabird vuln.index) -
e.g. also sensitive marine habitats, seabird areas, fisheries resources, …
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http://www.mumm.ac.be/ [28]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
National Systems
Ex.4:
Some CPs focus on ECOLOGICAL sensitivity (ENV. S. in ‘strict’ sense)
(BE, NL, GE)
Most CPs: also SOCIO-ECONOMIC sensitivity (ENV. S. in ‘broad’ sense)
(UK, NO, FR, IRL, SE, DK)
Socio-economic criteria vary considerably, but interesting approaches used (FR, NO)
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http://www.mumm.ac.be/ [29]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BA Workshop on Sensitivity Mapping (Cuxhaven/GE, 2008)
General conclusions (1):
Level of detail/development of CP maps varies significantly
Hesitation towards BA-wide harmonization
However, there was perceived benefit to produce a generic,
simplified sensitivity map in the BA area
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http://www.mumm.ac.be/ [30]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BA Workshop on Sensitivity Mapping (2008)
General conclusions (2):
The sensitivity info was, in some cases, seen as too detailed
(“Keep it simple”)
It should be clear which environmental info is needed, as a
MINIMUM STANDARD, to support response
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http://www.mumm.ac.be/ [31]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Workshop on Sensitivity Mapping (2008)
General conclusions (3):
To be taken into account:
- Geomorphologic characteristics – Shoreline type
- Sensitive natural and socio-economic resources (ENV in broad sense)
- Protected Areas or other areas of ecological importance
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http://www.mumm.ac.be/ [32]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK
(DK/ HELCOM)
Source: BRISK Environm. Vulnerability Report,
COWI, Jan.’12
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http://www.mumm.ac.be/ [33]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK - Environmental Vulnerability work
According to MUMM, the BRISK method & work is:
– Simple and effective
– Systematic (step-by-step) approach
– Well-documented & underpinned by literature, + expert input
– Principles in line with previous BA findings & conclusions
= Example of ‘BEST PRACTICE’
WHY/HOW ??
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http://www.mumm.ac.be/ [34]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK Methodology
RANKING performed (strategic Risk Assessments)
Risk of damage = probability x vulnerability
QUALITATIVE ranking
COASTAL & MARINE vulnerability
SHORELINE TYPE considered
PROTECTED AREAS considered
Ranking of ECOLOGICAL & (some) HUMAN USE features
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http://www.mumm.ac.be/ [35]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
‘Vulnerability vs. sensitivity’
Vulnerability of organism, community, habitat or area is
determined by:
– Exposure to oil
– Intrinsic sensitivity to oil (impact of oil on organisms & habitats)
– Recovery potential of habitat, population, ..
(Schematically)
VULNERABILITY = EXPOSURE x SENSITIVITY / RECOVERY
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http://www.mumm.ac.be/ [36]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK Methodology
Ranking & mapping process in 3 steps:
STEP 1 : Identification of sensitive features
STEP 2 : Vulnerability ranking of identified features
STEP 3 : Total (seasonal) vulnerability mapping
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http://www.mumm.ac.be/ [37]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
STEP 1 : Selection of sensitive Features (BRISK)
Open waters
Coastal habitats
– Rocky shores & stone reefs
– Sandy beaches
– Underwater sandbanks
– Shallow inlets & bays
– Coastal lagoons
– Estuaries
Flora
– Seagrass meadows (Zostera)
Fish
– Spawning areas in shallow water (demersal eggs)
– Offshore spawning areas (pelagic eggs)
– Nursery areas in shallow water
Birds
– Wintering areas (sea & shore birds)
– Staging areas (migrating sea & shore birds)
– Breeding areas (sea & shore birds)
– Moulting areas (sea birds)
Marine mammals
– Breeding, moulting and haul-out sites for seals
Protected Areas
Fish farms
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http://www.mumm.ac.be/ [38]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
STEP 2 : BRISK Vulnerability Ranking
Vulnerability scores:
– Score 4 = VERY HIGH
– Score 3 = HIGH
– Score 2 = MODERATE
– Score 1 = LOW
Seasons:
– Winter: Dec., Jan., Feb.
– Spring: Mar., Apr., May
– Summer: Jun., Jul., Aug.
– Autumn: Sept., Oct., Nov.
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Step 2 – Ranking process for each feature
1. Ecol. characteristics, significance & location
2. (Qualitative) assessment of vulnerability
– Based on 2 criteria:
1. FATE OF OIL
2. IMPACT OF OIL on organisms
3. Assign vulnerability ranking (per season)
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http://www.mumm.ac.be/ [40]
BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Step 2 – Criteria considered when ranking each feature
(1) FATE of oil
In terms of oil degradation and
removal
Varies considerably
Main factors:
– Wave/tidal energy exposure
– Shoreline slope
– Substrate type
(~ Exposure & chemical recovery)
(2) IMPACT of oil on organisms/habitats
Effects of oil on organisms
Smothering, toxicity, tainting
Population & life-cycle considerations
Densely populated (small) areas
Spawning & nursery areas (~fish)
Sensitive stages/locations (~birds)
Threatened species & habitats, …
(~ oil-sensitivity & biological recovery)
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK - Assigned Vulnerability Ranking of selected features
Environmental feature WI SP SU AU
Rocky shores and stone reefs (sheltered) 4 4 4 4
Sandy beaches 1 1 2 1
Underwater sand banks (water < 10 m) 2 3 3 3
Estuaries 2 4 4 3
Coastal lagoons 2 4 4 3
Shallow inlets and bays 2 4 4 3
Seagrass meadows 3 4 4 3
Fish – shallow spawning areas 3 4 4 3
Fish – shallow nursery areas 3 4 4 3
Fish – offshore spawning areas 0 1 2 1
Protected areas 4 4 4 4
Aquaculture facilities 4 4 4 4
(Birds, marine mammals, etc.) … … … …
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Step 3 – Total (seasonal) vulnerability mapping
After having mapped & ranked all features
Total vulnerability of an area = SUM of all individual Scores
of features in that area
With reclassification of ‘area’ Score in
5 ‘total’ Vulnerability Classes
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK End Result –
4 vulnerability maps
(1 per season)
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
BRISK as basis for BE-AWARE approach
BRISK approach (‘best practice’) is applicable in BE-AWARE
if adapted to ‘North Sea’ / ‘BONN’ context
How?
1. ≠ Region ≠ List of SENSITIVE FEATURES
2. Higher risk of “3D” impact
– Severe storms
– Dispersants important response option in BA
– Option of subsurface dispersant use (blowout-scenarios)
3. Expand SOCIO-ECONOMIC PART - Incl. ranking & mapping approach
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Workshop Agenda: “Stepwise” approach
AIM of Workshop ~
To agree upon an ‘adapted’ BRISK approach
with adapted features & steps
MUMM drafted Working Documents taking also into account:
– BA CPs ‘Best Practice’
– International ‘Best Practice’ & key Ref.documents (OSPAR, IMO, EC..)
Step-by-step presentations, for discussion & agreement
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BE-AWARE Sensitivity Mapping Workshop
Brussels: 29-30 April 2013
Workshop Agenda: “Stepwise” approach
STEP 1 - Proposed selection of sensitive features
(Ecological & socio-economic)
STEP 2 - Proposal for a BE-AWARE ranking method
STEP 3 - Suggestions for Total Vulnerability Mapping