Gis applications zm_2
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Transcript of Gis applications zm_2
1
Modelling sea level change in the Baltic Sea Region
as decision support for regional planning with help of GIS
Reinhard Zölitz-Möller & Bernd RöberInstitute of Geography and Geology, Greifswald University
2
Baltic Sea
3
N
EW
S
Finnland
Schweden
Estland
Polen
Deutschland
SEAREG Partners:
Finland
Sweden
Estonia
Poland
Germany
4
5
4 global climate change scenarios: HCA2, HCB2, MPIA2, MPIB2
IPCC: CO2 – szenarios (A2, B2)
SMHI: 4 regional climate change scenarios: S1, S2, S3, S4
Local sea level change scenarios for Usedom: (+1), +41, (+82) cm additionally: +24 cm (STIGGE)
6
German contribution to the project:
- Evolution of the outer sea coastReconstruction of coastal evolution during the past 200 years;Calculation of accumulation and abrasion rates by means of coastalevolution models (Rudolphi & Lampe)
- GIS application for the DSFDecision support tool suitable for planners (Röber & Zölitz-Möller)
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Planning region Vorpommern
Island of Usedom
German area of investigation
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Methods for reconstruction of the historical shoreline evolution: maps and aerial photographs:
– scanning– geo-referencing– digitizing of shore lines
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Aerial photos 1937
Historical maps 1885Historical maps 1829
1998193718851829
Aerial photos 1998
Data sources (1 :25.000)
10
180 m
1998193718851829Baltic Sea
Usedom
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-2,0
-1,5
-1,0
-0,5
0,0
0,5
1,0
1,5
2,0
1 2 3
abra
sion
/ ac
cum
ulat
ion
[m/y
]
1829 - 1885 1885 - 1937 1937 - 1998
NW-Usedom Central Usedom SE-Usedom
Result: Changes for 3 sections of the Usedom outer coast
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Morphodynamic sections of Usedom outer coast
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Calculation of accumulation and abrasion rates by means of coastal evolution models
Aims:
- to find a practical method to predict a 100 year evolution of the sea coast
- to be applied flexibly to the data available
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Total shoreline shift with sea level change [m/100yr] (model of Stephan & Schönfeldt)
coastal evolution up to 2100
-250
-200
-150
-100
-50
0
50
100
150
200
250
4 7 10 13 16 19 22 25 28 31 34 37 40
coastal kilometre
Abr
asio
n / a
ccum
ulat
ion
[m/1
00yr
]
DWD-2100 (HCB2)+1cm DWD-2100 (HCB2)+41cmDWD-2100 (HCB2)+82cm
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Results: areas of risk
Section of accumulationSection of abrasionSection of abrasion, human settlements are located
16 Streckelsberg with wave breakers
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Ückeritz
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How to support regional planners
in order to increase their coping capacity with respect to the expected sea level rise
in their planning region
?
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Elevation model Usedom island
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Sea level rise = 10 cm
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Sea level rise = 25 cm
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Sea level rise = 70 cm
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Example theme:biotope types andland use classes
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…overlaid withsea level rise by 10 cm
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…overlaid withsea level rise by 25 cm
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…overlaid withsea level rise by 70 cm
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How to support regional planners more precisely and convenient?
GIS tool for planners
(as part of the Decision Support Frame of the project)
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Aims:
• To point out several land use planning strategies for the affected areas
• To give not only general, but detailed spatial information about the areas affected by sea level rise
• To offer the possibility of a dynamic adjustment of different sea level change scenarios with help of a digital elevation model, linked to recent economic, social and natural parameters of a target region
• To enable a neutral display of the results for the affected areas
29
• open GIS format (shp)• open for different sea level rise scenarios• open for different map themes• open for different areas of interest• open for different geometric resolutions
An open and easy to use GIS Tool
is needed for plannersThis statement is the result of deliberations
with planners in our region
What does “open” mean ?
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1. The user´s choice 2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
The general work flow of the GIS tool:
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The user´s choice:
• choose the map theme(s) to be analysed• choose the area of interest (AOI)• choose the predicted sea level scenario• choose the wanted grid resolution
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Example theme 1:biotope types and land use classes
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Example theme 2:ground water protection areas
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Example theme 3:linear infrastructure
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Select the AOI(municipalities)
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Select the predictedsea level (+70 cm)
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1. The choice of the user2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
… general application flow
38
The steps of pre-processing:
• Step 1: clip a theme with AOI• Step 2: clip result of step 1 with predicted
sea-level• Step 3: generate a raster grid with
selected resolution, which covers the area of step 2
• Step 4 to n: repeat step 1 and 2 for n themes
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clip theme 1with AOI (selected communities)
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clip result of step 1with predicted sea level
41
generate raster gridwith selected resolution(250m)for further analysis
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1. The choice of the user2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
.. general application flow
43
The users decision no. 1
For each theme• choose the method of classification• choose the object field for classification• load or define the table of assessment
44
Methods of classification
• an absolute classification:each object type gets a value(€/m² or €/ha or €/m)
• a relative classification:each object type gets a relative factor
• a verbal classification:e.g. a choice between “very low”, “low”, “intermediate”, “high”, “very high”
for each objectand a choice between dominate or highestvalue per grid square
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Table of assessment
Object type Value* (€/m²)
Grassland 1.5
Forest 4
Arable fields
2
Object type Factor
Grassland 0.75
Forest 2
Arable fields
1
Object type Value
Grassland very low
Forest low-medium
Arable fields
low
absolute value
relative value
verbal classification
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1. The choice of the user2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
… general application flow
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result raster grid for map theme 1:biotope types and land use classes
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result raster grid for map theme 2:ground water
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result raster grid for map theme 3:lines (roads, cables)
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1. The choice of the user2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
… general application flow
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The users decision no.2
Decisions for normalizing and weighting the single results
For each theme• determine the max of result
(or theoretical max result)• set it 100 (or 50, 25 etc – weighting)• calculate the other values
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1. The choice of the user2. The pre-processing3. The users decision no. 14. The classification5. The users decision no. 26. The normalising7. The result processing
… general application flow
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result rastersum of all results
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area model
location
risk
data
land use
value
class
climate model elevation modelstatistic data geometric data
Incompatibility between statistical andgeometric data
scale problem
problem
Assessment ofaffected areasdepends on points of view
problem
variable scalingdepending on geographic location
76
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Digital Elevation Models (DEM) – data availability
DEM 1: STAUN (Staatliches Amt für Umwelt und Natur)(state agency of nature and environment)
DEM 2: Univ. Greifswald (model from former projects)
DEM 3: DGM 50 (state agency of land survey)
DEM 4 GTOPO (USGS – United States Geological Survey)
Point data provided by the „Zweckverband – Peenetal“
now back ?
56
DEM 1: Island of UsedomSTAUN
Elevation model for outer coast of Usedom (4 km coastal zone)horizontal resolution: 25 melevation resolution: unknownProblems:- differences to topographic map 1:10 000- proprietary coordinate system based
on Krassovski (?) ellipsoid- not compatible to national projection standardsusability:-point data valid as raw data for the creation of a new elevation model
now back ?
57 Point data ; fit of the model
DEM 1: Island of UsedomSTAUN
now back ?
58
DEM 2: Greifswald LagoonUNIV of Greifswald
horizontal resolution: 50 m proprietary coordinate system
now back ?
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DEM 3: DGM50state agency of land survey
horizontal resolution: 50 melevation resolution: 5 m
now back ?
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DEM 4: GTOPO 30USGS
horizontal resolution: 1 kmelevation resolution: ± 30 m
now back ?
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Point data provided by „Zweckverband – Peenetal“
- very high horizontal and elevation resolution- with differences to topographic map 1: 10 000-point data valid as raw data for the creation of a new elevation model 70 km
now back ?
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Conclusions referring to availabledigital elevation models
set up of a new elevation model was needed
Requirements:consistency of data and modelconsistent map projection horizontal resolution = 10 melevation resolution = 25 cmTasks:Digitizing of elevation information from topographic maps (1:10 000)Modelling
back !
63
Required Data
for estimation of the value
back !
- Land userecentplanned
- Infrastructurerecentplanned
- Tourism- Nature protection
- Drinking water- Population density - Municipal capital- Cost of coastal protection- Cost of drainage- National treasurs- Cultural heritage- Soils and geology
64
Available digital geometric data
-BNTK (Biotop- und Nutzungstypen Kartierung)(digital biotope and land use types map)
-ATKIS (Amtliches Topographisches Karten Informations System)(authoritative topographic cartographic information system)
- Digital data from the land use planning authority
- Digital data from the land register
now back ?
65
biotope and land use typesBiopoly.shp
W11 QuellbereichW12 Bach < 3 mW13 Graben < 3 mW14 Fluß > 3 mW15 Kanal > 3 mW21 temporäres Kleingewässer, Tümpel oder LacheW22 permanentes KleingewässerW31 Flachsee < 5 mW32 SeeW41 N iedermoorW42 Hoch- und ÜbergangsmoorW43 SumpfW51 OffenwasserW52 mariner Block- und SteingrundW53 SandbankW54 W indwattW61 OffenwasserW62 mariner Block- und SteingrundW63 SandbankW71 SandhakenW72 StrandW73 StrandseeW74 StrandwallW75 W eißdüneW76 KliffW77 Kliff randdüne
L11 FeuchtgrünlandL12 fr isches GrünlandL13 wechselfeuchtes GrünlandL14 TrockengrünlandL15 SalzgraslandL21 AckerL22 ErwerbsgartenbauL23 BaumschuleL24 Obstbau
T11 ZwergstrauchheideT12 GinsterheideT13 KrähenbeerheideT21 SilikattrockenrasenT22 KalktrockenrasenT31 anstehendes FestgesteinT32 Lesesteinhaufen und -mauerT33 Einzelfindling
B11 LaubwaldB12 Laubwald gemischt (< 10% N adelbäume)B13 Laubmischwald (Verhältnis Laub- zu Nadelbäumen 90/10-70/30)B14 Mischwald (Verhältnis Laub- zu Nadelbäumen 50/50)B15 Nadelmischwald (Verhältnis Nadel- zu Laubbäumen 90/10-70/30)B16 NadelwaldB17 WaldrandB18 KahlschlagB19 Lichtung/SchneiseB21 Feldgehölz (0.5 - 5 ha)B22 Baumgruppe (< 0.5 ha)B23 BaumreiheB24 AlleeB25 dominanter EinzelbaumB26 HeckeB27 Gebüsch, Strauchgruppe
S11 geschlossene BebauungS12 EinzelbebauungS13 Neubaugebiet, undif ferenziertS21 städtisches MischgebietS22 dörfliches MischgebietS23 EinzelgehöftS31 Gewerbe- und Industr iegebietS32 TierproduktionsanlagenS33 MilitärobjektS41 ParkS42 Wildgehege, ZooS43 FreizeitparkS44 SportanlageS45 GolfplatzS46 CampingplatzS47 Kleingartenanlage, Fer ienhäuserS48 DorfangerS49 Fr iedhofS51 PfadS52 Wirtschaftsweg, unbef estigtS53 Wirtschaftsweg, befestigtS54 StraßeS55 Autobahn S56 Bahnanlage / GleisanlageS57 FlugbetriebsgeländeS58 HafenanlageS61 Deich, DammS62 BuhneS63 SteinwallS64 PumpwerkS71 FernwärmeleitungS72 Klärbecken / -anlageS73 Güllebecken
R11 Steinbruch / KreidebruchR12 Sand / KiesgrubeR13 TongrubeR14 Geländeabgrabung undifferenziertR21 D eponieR22 ungeordnete DeponieR23 SpülfeldR24 landwirtschaftliche Lagerfläche (Dungläge, Miete, Silo)
L11 FeuchtgrünlandL12 frisches GrünlandL13 wechselfeuchtes GrünlandL14 TrockengrünlandL15 SalzgraslandL21 AckerL22 ErwerbsgartenbauL23 BaumschuleL24 Obstbau
Available geometric data
2.2 km
now back ?
66
Land use from ATKIS dataDlm_gr_pol.shp
SIEDLUNG (2000)
Baulich geprägte Flächen (2100)2101 Ortslage2111 Wohnbaufläche2112 Industrie- und Gewerbeflaeche2113 Flaeche gemischter Nutzung2114 Flaeche besonderer funktionaler Praegung
Versorgung2121 Bergbaubetrieb2126 Kraftwerk2127 Umspannwerk2128 Förderanlage2131 Ausstellungs-, Messegelände2132 Gärtnerei2133 Heizwerk2134 Wasserwerk
Entsorgung2122 Abfalldeponie2129 Klaeranlage Klaerwerk2135 Abfallbeseitigungsanlage
Siedlungsfreiflächen (2200)2201 Sportanlage2202 Freizeitanlage2211 Freilichttheater2212 Freilichtmuseum2213 Friedhof2221 Stadion2222 Sportplatz2223 Schiesstand2224 Schwimmbad, Freibad2225 Zoo2226 Freizeitpark, Safaripark2227 Grünanlage2228 Campingplatz2230 Golfplatz
Bauwerke/Einrictungen (2300)2301 Tagebau Grube Steinbruch2302 Halde, Aufschüttung2314 Absetzbecken Rieselfeld Schlammteich2345 Schwimmbecken
VERKEHR (3000)
Strassenverkehr (3100)3103 Platz (Rastplatz Parkplatz)
Flugverkehr (3300)3301 Flughafen3302 Flugplatz Landeplatz3303 Rollbahn3304 Vorfeld
Schiffsverkehr (3400)3401 Hafen3402 Hafenbecken
Anlagen und Bauwerke für Verkehr, Transport und Kommunikation (3500)3501 Bahnhofsanlage3502 Raststätte3511 Grenzübergang, Zollanlage3513 Tunnel3514 Brücke, Unterführung, Überführung
VEGETATION (4000)
Vegetationsflächen (4100)4101 Ackerland4102 Gruenland4103 Gartenland4104 Heide4105 Moor4106 Sumpf4107 Wald Forst4108 Gehoelz4109 Sonderkultur4110 Brachland4111 Nasser Boden4120 Vegetationslose Fläche4199 Flaeche z.Zt. unbestimmbar
GEWÄSSER (5000)
Wasserflächen (5100)5101 Strom Fluss Bach5102 Kanal (Schiffahrt)5103 Graben Kanal (Wasserwirtschaft)5111 Meer5112 Binnensee Stausee Teich
Besondere Objekte in Gewässern (5200)5201 Sandbank
Einr ichtungen und Bauwerke an Gewässern (5300)5301 Durchlaß5303 Schleuse5304 Schleusenkammer
GEBIETE (7000)
Geographische Gebietseinheiten (7200)7211 Insel
Schutzgebiete (7300)7301 Nationalpark7302 NSG7304 LSG7305 Naturpark
Gefahrengebiete, sonstige Sperrgebiete (7400)7403 Truppen-, Standortübungsplatz
Siedlungsfreiflächen (2200)2201 Sportanlage2202 Freizeitanlage2211 Freilichttheater2212 Freilichtmuseum2213 Friedhof2221 Stadion2222 Sportplatz2223 Schiesstand2224 Schwimmbad, Freibad2225 Zoo2226 Freizeitpark, Safaripark2227 Grünanlage2228 Campingplatz2230 Golfplatz
Available geometric data
now back ?
67
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Digital data from the land use planning authority
Available geometric data
e.g.:- Harbours- Airports- Other technical
infrastructure- National treasures
Minor priority areas for:- Nature protection- Mineral resourcesHigh priority areas for:- Nature protection- Mineral resources
now back ?
68
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Digital data from the planning register (ROK)
Available geometric data
-Protection zones for drinking water- Power plants- Waterworks- Sewage plants- Waste treatment sites- Roads- Residential areas- Industrial areas- Hybrid areas- Nature protection areas- Pipelines and cable (power, oil, water)
back !
69
from the state office for statistics
- Population- No. of employed people- Education- Social contributions- Housing- Land use- Agriculture- Industry- Trade & Tourism- Taxes
Regions:- State- District- Municipality
back !
Available statistic data
70
Macro-Scale: for baltic sea region or larger parts of it:
not sufficient for planners
Meso-Scale:for districts and parishes
statistic data available useful for regional planners
Micro-Scale: Landregister areas
no data (data protection) too expensive to raise data too much time to calculate useful for local planners (municipalities)
How useful are different scalesfor a regional DSS?
now back ?
71
Decision in Greifswald for meso-scale approach
Problem: incompatibility of geometric and statistic data
Option A) The area will be subdivided into small squares and each square gets the information about its dominant land use According to this land use information the value is assigned to the grid square
Option B) The same land use areas from one parish will be summarised and will get the same value .Each patch gets the proportional value corresponding to the size of it´s area
now back ?
72
Var. A)
- It might be that the land use information has to be weighted by it´s importance. After this, the grid square get it´s “dominant” land use information (“the winner takes it all”)- According to the land use information the square gets its value
A*0,5
A*2?
50m
now back ?
73
Var. B)- Each land use type from one parish gets a value- The multipart polygon will be simplified into single part polygons- proportional value corresponding to the single area
Multipartpolygon
back !
74
Value classification
The assigned value may depend on the observer´s viewpoint
high
low
medium
F1 residential area
F2 pasture land
F3 forest
F4 agriculture
back !
F1 residential area
F3 forest
F4 agriculture
F2 pasture land
75
Risk classification
high
low
medium
Elevation of the areaThe relative position
to the coast
0,0 m
1,0m
2,0m
3,0 m
4,0 m
5,0 m
General floodingareas
Areas with risk for storm tideand flood
0 km
10 km
20 km
30 km
40 km
50 km
Attention: all borderlines are dynamic,they may change
back !
Areas with risk for storm tideand flood
76
Final classification
riskvalue
result
Current state
77
Example 1 for visualization of results
Recent land use of NW Usedom islandThe appearance of this island after sea level rise 1 m?
78
Example 2 for visualization of results
Conflicts betweencurrent plans and sea level rise Wohnbauflaeche
Wohnbauflaeche
Tourismus
Gewerbliche Bauflaeche
Housing area
Housing areaHousing area
Tourism
Industrial area
79
Options for recommendations:- conserve, protection areas (1)- renaturation areas (2)- lesser and higher priority areas for flood (3)
(1)
(2)
(3)
Example 3 for visualization of results
80
Usedom 2100 (?)
Size of flood-prone areas on Usedom
Area below sea levelArea above sea level
13%
+ 25 cm = 46 km²
16%+ 40 cm = 58 km²
28%
+ 80cm = 102 km²
81
Usedom at slr of +80 cm
82
Industry 0,69 %
Area of Ecological
Interest 15,66 %
Agriculture 71,13 %
Other Areas 11,90 %
Human Settlement
0,62 %
Areas of different land use, affected at slr of +80 cm
83
Object price area total price
grassland 0.5 €/m²
housing area
70 €/m²
72 km²
0.63 km² 44 mio €
36 mio €
Values endangered at slr of +80 cm
84
Impact assessment:
Object area[km²]
total price[€/area]
grasslandimpact
72 km²high impact
36 mio €medium impact
housing areaimpact
0.63 km²low impact
44 mio €high impact
85
Part 2
Workflow of the GIS-tool in details
86
Requirements
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
• ArcView
• Elevation layers each 5 cm
• A polygon theme for the Area of Interest (AOI)
• Input themes with consistent map projection
• .
87
Presetting
Load the themewhich holds theArea of Interest
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
88
The two selected municipalities are the AOI
for this example
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
89
Load the themeswhich should be
analysed
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
90
The example datasetsare
roads
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
91
Ground waterprotection areas
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
92
Land use types
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
93
data from theAuthoritative Topographic Cartographic Information
System (ATKIS)
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
94
And now we can run the script
Presetting
- GIS
PresettingBasic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
95
Basic settings
Set the neededdirectories
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
96
Choose thesea level rise(in 5cm steps)
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
97
Choose thegrid resolution
(grid cell size in m)
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
98
Choose the themewhich holds the AOI
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
99
Choose a themewhich should be
analysed
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
100
Choose the fieldwhich holds
the object types
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
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101
Validate the choice with“all object types” or
“only affected”
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
102
Repeat these steps untilall necessary themes
are listed in the table below
Basic settings
- GIS
Presetting
Basic settingsInitialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
103
Initialisation
- GIS
Presetting
Basic settings
InitialisationS.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
In this step an empty grid with the selected resolution will be generated over the affected areaand …
104
Initialisation roads
groundwater
ATKIS
land use
… the themes will be cut with the AOI and the selected sea level
This is the first result of the tool: the affected objects
- GIS
Presetting
Basic settings
InitialisationS.f. assessment
Classification
S.f. normalisation
Normalisation
Result processing
- Modelling
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-Conclusions
105
Settings for assessment
Choose atheme …
- GIS
Presetting
Basic settings
Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
Result processing
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-Vulnerability
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106
… and a method.(absolute, relative or nominal)
Settings for assessment
- GIS
Presetting
Basic settings
Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
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-Vulnerability
-Conclusions
107
(relative or absolute)for each object type …
Settings for assessment
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Presetting
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Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
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108
(relative or absolute)… set a value …
Settings for assessment
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Presetting
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Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
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-Conclusions
109
(relative or absolute)… or load a prepared table.
Settings for assessment
- GIS
Presetting
Basic settings
Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
110
(nominal)Choose the number of
possible classes and …
Settings for assessment
- GIS
Presetting
Basic settings
Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
111
(nominal)…set for each object type …
Settings for assessment
- GIS
Presetting
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Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
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- Modelling
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-Conclusions
112
(nominal)…a value …
Settings for assessment
- GIS
Presetting
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Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
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-Conclusions
113
(nominal)…or load a prepared table
Settings for assessment
- GIS
Presetting
Basic settings
Initialisation
S.f. assessmentClassification
S.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
114
Classification
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
ClassificationS.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
roads
groundwater
ATKIS
land use
For each grid cell the affected objects will be summarized in relation to its area or length
This is the second result of the tool: the affected evaluated grids foreach theme
115
Classification
low
high
By the nominal classification the user has to decide which value should be used for each grid cell: the dominant (in the example “low”)or the highest (in the example “high”)
medium
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
ClassificationS.f. normalisation
Normalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
116
Settings for normalisation
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f.
normalisationNormalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
For each theme …
117
Settings for normalisation …set a value which should correspond with the highest
value or …- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f.
normalisationNormalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
118
Settings for normalisation … if all values in all themes
are absolute set the check box = true- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f.
normalisationNormalisation
Result processing
- Modelling
-Vulnerability
-Conclusions
119
Normalisation
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
NormalisationResult processing
- Modelling
-Vulnerability
-Conclusions 0
100
200
300
400
500
600
700
bntk
atkis
norm
1
norm
2
norm
3
road
s
grou
ndwa
ter
highmiddle
low
highmiddle
low
In the example the datasets “ATKIS” and “land use” are
classified as medium important …
120
Normalisation
0
100
200
300
400
500
600
700
bntk
atkis
norm
1
norm
2
norm
3
road
s
grou
ndwa
ter
highmiddle
low
highmiddle
low
…and so they will be normalised to a range between 0 and 100 - GIS
Presetting
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Initialisation
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NormalisationResult processing
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121
Normalisation
0
100
200
300
400
500
600
700
bntk
atkis
norm
1
norm
2
norm
3
road
s
grou
ndwa
ter
highmiddle
low
highmiddle
low
The theme “groundwater protection areas” (nominal classified) is the
most important and … - GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
NormalisationResult processing
- Modelling
-Vulnerability
-Conclusions
122
Normalisation
0
100
200
300
400
500
600
700
bntk
atkis
norm
1
norm
2
norm
3
road
s
grou
ndwa
ter
highmiddle
low
highmiddle
low
… so it will be normalised to a range between 0 and 200- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
NormalisationResult processing
- Modelling
-Vulnerability
-Conclusions
123
Normalisation
0
100
200
300
400
500
600
700
bntk
atkis
norm
1
norm
2
norm
3
road
s
grou
ndwa
ter
highmiddle
low
highmiddle
low
The theme “roads” is the least important and will be normalised to
a range between 0 and 50- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
NormalisationResult processing
- Modelling
-Vulnerability
-Conclusions
124
Result processing
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result
processing- Modelling
-Vulnerability
-Conclusions
The generated result viewcontains the unevaluated objects
per theme …
125
Result processing …the evaluated grids per theme …
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result
processing- Modelling
-Vulnerability
-Conclusions
126
Result processing …and the aggregated result gridwhich is the third result of the tool
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result
processing- Modelling
-Vulnerability
-Conclusions
127
Result processing
All user settings are written in a text file
“analysis_parameter.txt” for reproducibility
- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result
processing- Modelling
-Vulnerability
-Conclusions
128
Result example for Pärnu (Estonia)
Pärnu- GIS
Presetting
Basic settings
Initialisation
S.f. assessment
Classification
S.f. normalisation
Normalisation
Result
processing- Modelling
-Vulnerability
-Conclusions
129
Thank you for your attention.