ESA Web Mapping Activities CEOS-WGISS ESRIN 7-10-May-2002 Christophe Caspar – Giuseppe Tandurella
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Transcript of ESA Web Mapping Activities CEOS-WGISS ESRIN 7-10-May-2002 Christophe Caspar – Giuseppe Tandurella
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ESA Web Mapping Activities
CEOS-WGISSESRIN 7-10-May-2002
Christophe Caspar – Giuseppe Tandurella
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Presentation Plan• Recent development
– New available layers– Improved web client
• Future activities (short / mid-term)– Distribution of MODIS level 1b using WMS & WCS– NRT distribution of O3, NO2 and cloud data
(ERS2/GOME data collaboration with DLR)– Ocean Test Facility– Access to MUIS catalogue via WMS interface
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New Layers …
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Addition of New Layers• GOFC specific layers DMSP , AVHRR hot spots SAR , LANDSAT Frames • MODIS 5 and 1 KM, DMSP 5KM• BURN Scars Database year 2000 ; ~ 1.5 million points
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MODIS 1KM(3 Gbytes)
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ENVISAT products
ASAR
AATSR
MERIS
ENVISAT products Geo-coding engine(in house dev.) Web Map Server
Geotiff
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AATSR 1km resolution – 500 km swath width
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MERIS300m or 1.2 km – 1120km swath
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ASAR 30m/100km swath
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Improvement on Web Client
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Improvement of Client Application
• Improved layer selection (done)• Automatic parsing of capability files• Creation of User Profiles
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Short / mid-term plans
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Access to MUIS BDSESA Missions: ERS 1& 2 (SAR Image, wave, microwave sounder, windscaterrometer, ATSR) ENVISAT soon.
Third Party Missions: JERS SAR, Landsat TM, Landsat MSS, NOAA AVHRR, Nimbus-7 CZCS, IRS-P3 MOS, SeaStar SeaWiFS, MODIS
Number of entries: 7 000 000Number of browses: 200 000 passes
Objective : Develop a WMS interface on top of the browse data server to make all scenes available as GIS layers
Problem : Need to deal with satellite data in native projection.Need to re-project on the fly.
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Collaboration with DLRAtmospheric products 1/2
Existing NRT server for :• Ozone • NO2 ( Biomass burning …) • Cloud coverGlobal Data Sets
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Collaboration with DLRAtmospheric products 2/2
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Ocean Testing Facility
• International collaboration CEOS + Science Users• Duration : ~ 3 years• Share Oceanographic Data • Use of OpenGIS components• New development required Animation, Processing …
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Server A : General GIS data
Server B : 5 years Oil Slick Data
Server C : Daily SST
Static layer Combination SST time series with additional static GIS layers
Metadata for a particularOil Slick
New Phase 2 Data Servers
Data Repository
Dataset discovery
New data representations
Science data
Images
Mixed
Capacity for specialized processing at user’s premises downloading raw scientific data
Processing Servers- , correlation …
e.g. difference between two SST layers.The derived data set appearAs new layer that can be further combined.
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NRT Distribution of MODIS level 1b
User
MODIS Lvl 1b
WMS
Visual discovery ofavailable scene
1
00010011
WCS
Binary data possibly subset only
2
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URL : http://mapserv2.esrin.esa.it/map/wtf