Exploring Spatial Database Systems to Handle Remote Sensing Imagery
Remote sensing-based spatial modelling for Natura 2000 … · 2019. 10. 30. · Remote...
Transcript of Remote sensing-based spatial modelling for Natura 2000 … · 2019. 10. 30. · Remote...
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Remote sensing-based spatial modelling forNatura 2000 monitoring at large scale
Teledetección y cartografía de hábitats en CantabriaJ.M. Álvarez-Martínez, M. Recio, A. Silió-Calzada, C. Galván, B. Ondiviela, J. Barquín and J. Juanes
II SEMINARIO CARTOGRAFIADE LOS HABITATS ESPAÑOLES
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http://rednatura2000cantabria.ihcantabria.com/
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A need for spatial data: patterns, process, dynamics and functioningof natural and seminatural systems (N2000)
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A need for spatial data: patterns, process, dynamics and functioningof natural and seminatural systems (N2000)
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SPATIAL DATASETS
https://land.copernicus.eu/user-corner/technical-library/upcoming-product-clc
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Scale and typology not valid… High cost (time, people) Difficult to update (no
temporal resolution)
Traditional inventory
Lack of spatial data Need for trained
surveiers Mixed patches
LAND COVER MAPPING
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A cost-effective solution forlarge scale mapping based
on optimal field surveys(adaptive sampling), remote
sensing and habitat and species modelling
Remote sensing-based spatial modelling
5-metrs resolution PNOA
ENHANCING MONITORING
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ENHANCING MONITORING
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SWOT ANALYSIS
Cost-effective solution for large scale mapping
We have to get information in a quick, effective, homogeneous and dynamic manner
Álvarez-Martínez et al, 2017
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We do not end up with available tools (year 2017 and so on) and outputs…
1] CLASSIFICATION TYPOLOGYLand use-land cover (LULC)
Vegetation types
2] OCCURRENCE DATAGround data and maps for:
Training & ValidationConservation status
3] PREDICTOR LAYERSEnvironmental limiting factorsRemote sensing: resolution
4] MODELLING PROCEDURETechnique: sensitivity analyses
Data mining tolos and AIPurpose: mapping, monitoring…
HABITAT MAPPING
New modelling tools and remote sensing for vegetation mapping:
what actually matters?
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EUNIS 2-6 level habitat typesBorja Jiménez-Alfaro (U. de Oviedo)
1] CLASSIFICATION SYSTEM
EUNIS typologiesin Central Anatolia
EUNIS 4 (6)
Patron List of Spanish Habitat typesDownload from MITECO
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Innacuracies and lack of data at the patch level
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2] OCURRENCE DATA
Occurrence data obtained from field surveys with (almost) no uncertainty:
Field campaigns (botanists)
Point-based sampling surveys
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2] OCURRENCE DATA
Fieldwork campaigns: 2016-20172018 2000 GPS points2019
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Jose A. PrietoBorja Jiménez-Alfaro
(U. de Oviedo)Fermín del Ejido
(U. de León)
GPS y MAPAS
Training
TestingTesting
2] OCURRENCE DATA
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Atlantic biogeographicalregion (NW Spain)
Vegetation DB:National mapsRegional programsFieldwork
Predictor layersLimiting factorsRemote sensing
Monitoring and reporting
Conservation status
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Remote Sensing (RS)
Satellite imagery:Landsat 5TM and 8OLI 30mSentinel 2 A and B, 10-20mDEIMOS-2, 4m
LiDAR PNOA derived data
Env. Limiting factorstopography, climate, soil(digital soil mapping *)
3] PREDICTOR LAYERS
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A DATA MINING method or modelling algorithm for habitat mapping relatesoccurrence data and the process-based environmental and RS predictors
MaxEnt: SWD format, Tunning parameters, Phillips et al (2006)SDM: Multiple algorithms, Bootstraping, Naimi and Araújo (2016)
1
2 SPATIAL MODELLING
OCCURRENCE DATA
PREDICTORS
SPATIAL PREDICTIONS
MAPS
3
4] MODELLING
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4030 –European dryheathlands
0 1E 1:50 000 Local AOO
4] MODELLING RESULTS
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4] MODELLING RESULTS
Habitat 1140
llanos fangosos o arenosos que no están cubiertos de agua cuando hay marea baja
Zostera noltei
Baccharis halimifolia
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E 1:50 000
Automatic and objective: depends on the models
n habitats with good quality data
Realized AOO
4] MODELLING RESULTS
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Teselado de la vegetación en unidades fisionómicas (manchas homogéneas mayores
de 5hectáreas)
Automatic and objective: depends on the models
E 1:25 000 UNCERTAINTYDOMINANCE +
4] MODELLING RESULTS
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990 landscape units
Head water basins ~ 4km2
Insolation: sunny and shady slopes
LANDSCAPE UNITS FOR MANAGEMENT
Álvarez-Martínez, J. M., et al (2014). Influence of land use and climate on recent forest expansion: a case study in the Eurosiberian–Mediterranean limit of north-west Spain, Journal of Ecology, 102, 905-919
Homogeneous units (structure and composition) driven byenvironmental limiting factors (topography and climate)
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PRIORITY INDEX (for all landscape units)
High Low
ID LIC AREA PERIM area mean fN fAx fAs LPI PAR ndvitmaxr ndvitxx ndvitxd ndvitsdx sandm sandd claym clayd omm omd phm phd arenam arenad mom mod phh2om firemin firex fired fires alocAx alocAs pMIN pRANGE pSUM PRIORIZA1 LIEBANA 0.56 0.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.10 0.36 -0.03 -0.09 -0.17 -0.03 0.12 0.02 0.11 0.01 -0.19 -0.02 -0.17 -0.02 0.13 0.02 -0.22 -0.02 -0.52 -0.29 -0.37 0.00 0.00 0.00 0.00 0.00 -0.472 CABUERNIGA 0.23 0.39 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.09 0.39 -0.03 -0.09 -0.18 -0.04 0.16 0.03 0.12 0.01 -0.20 -0.04 -0.18 -0.02 0.11 0.01 -0.24 -0.01 -0.36 -0.28 -0.11 -0.04 -0.06 -0.31 -0.68 -0.09 -1.743 ORIENTAL 1.02 0.95 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.11 0.39 -0.04 -0.09 -0.20 -0.03 0.23 0.02 0.25 0.03 -0.18 -0.02 -0.22 -0.03 0.18 0.02 -0.21 -0.01 -0.98 -0.45 -1.00 -0.01 -0.08 -0.10 -0.96 -0.26 -3.24
"LEGO" format tool: expandable to any variable
LANDSCAPE UNITS FOR MANAGEMENT
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VALIDATION - Confusion matrices
4] MODELLING RESULTS
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SENTINEL 2A IMAGERY
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High suitability
Low suitability
Landsat 8 MVC Landsat8 x2Sentinel2 x2Deimos2 x2+LiDAR +MDT
High scale
4] MODELLING RESULTS
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Landsat 8 MVC Landsat8 x2Sentinel2 x2Deimos2 x2+LiDAR +MDT
High suitability
Low suitability
4] MODELLING RESULTS
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Landsat 8 MVC Landsat8 x2Sentinel2 x2Deimos2 x2+LiDAR +MDT
High suitability
Low suitability
4] MODELLING RESULTS
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Landsat 8 MVC Landsat8 x2Sentinel2 x2Deimos2 x2+LiDAR +MDT
High suitability
Low suitability
4] MODELLING RESULTS
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4] MODELLING RESULTS
Landsat 8
Evi2 Tasseled Cap:HumedadBatimetría
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4] MODELLING RESULTS
Sentinel 2
Evi2 (banda 5)Componenteprincipal 1Batimetría
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SPECTRAL SIGNATURES
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SPECTRAL SIGNATURES
HyperspectralCampaigns: PASTURES
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SPECTRAL SIGNATURES
Hábitat 4030 (b)
Vera
noO
toño
C
D
E
F
Hábitat 6510 (a)
B
A
Hábitat 4020Spectral library:
PASTURES
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0 50 meters high Vegetation structure (LiDAR derived data)LiDAR PNOA: 0.5 p/m2, <0.5m=NoData
CONSERVATION STATUS
1985 1990 1995 2000 2005 2010 2015 2020 … 2030 2040 2050
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Processing in real time of data series of imagery
Landsat, MODIS and Sentinel 2
Daily data for the 2000-present period.
January February March April May June
CONSERVATION STATUS
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CONSERVATION STATUS
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Beech forest, Stable,
Climatic variation
Secondary successionGrassland decrease
Higher minimums
Vetetation recoveryafter fire
CONSERVATION STATUS
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Area of Occupancy (AOO)Estructural and functionalindicators
Early warning system: identification of drivers and pressures
Common cost-effectiveindicators of ConservationStatus through remote sensing
Non dependent of MemberState data (validation!!!)
PASTURES
CONSERVATION STATUS
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4] MODELLING RESULTS
FORESTS
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Whole TURKEY(example)
Traditional mapping system
Modelling
Economic cost
Time
Number of fıeld-workers (2 years)
Resolution
Accuracy of mappingproducts
% of habitats mapped
Monitoring capabilities
(1) Could improve with photo-interpretation refinement of model outcomes
(2) This % could easily improve with further research and data
(1)
7.000.000 € 2.500.000 €
5 years 2 years
486 162
< 1:50.000 < 1:50.000
80-90% 70-80%
70% 70%
Low, sampling Real-time
Good
Medium
Bad
(2)
HABITAT MAPPING: SWOT