Transcript GEOSS Web Services (GWS) OGC support of GEOSS Workshops

GEOSS Web Services (GWS)
OGC support of GEOSS Workshops
Telecon 10 August 2007
George Percivall
Open Geospatial Consortium
[email protected]
GWS Telecon - Agenda
• GEOSS Workshop Series and GWS - George Percivall
• IGARSS, July GEOSS Workshop - Rudy Husar
• GeoNorth, August GEOSS Workshop - T. Fisher, Doug
Nebert, R. Thomas, G. Yettman, Stefano Nativi
• AfricaGIS2007, September GEOSS Workshop
• OGC TC Boulder, September GEOSS Workshop
• Any Other Business
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The Workshop Series 2007
“The User and the GEOSS Architecture”
Apr-07
IEEE SoS and Signal
Conferences
Hawaii, USA
SOSE and Information
infrastructure for GEOSS
Jun-07
Intl Symp on RS of
Environment - ISRSE
San Jose,
Costa Rica
Sustainable dev through EO,
Agriculture
Jul-07
IGARSS07
Barcelona,
Spain
GEOSS System components
Aug-07
IPY GeoNorth
Yellowknife,
Canada
Climate and biodiversity
Sep-07
AfricaGIS07
Burkina Faso
EO for water, health
Sep-07
OGC TC
Boulder, CO
USA
Regional Decisions for
Climate Change
Nov-07
Asian Conference on
Remote Sensing
Kuala
Lumpur, MY
Environment Disaster/
Tsunami
http://www.grss-ieee.org/menu.taf?menu=GEOSS&detail=GEOSSWorkshops
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OGC participation in GEOSS Workshop Series’07
Apr-07
IEEE SoS and Signal
Conferences
Hawaii, USA
Simon Cox, CSIRO
Jun-07
Intl Symp on RS of
Environment - ISRSE
San Jose,
Costa Rica
Karl Benedict, Univ. New
Mexico
Jul-07
IGARSS07
Barcelona,
Spain
Rudy Husar, Wash Univ-StL
Aug-07
IPY GeoNorth
Yellowknife,
Canada
Robert Thomas, Greg
Yettman
Sep-07
AfricaGIS07
Burkina Faso
Sep-07
OGC TC
Boulder, CO
USA
IPCC Data Dist Centres:
A. Woolf; R. Chen
IP3 Scenario: Stefano Nativi,
Nov-07
Asian Conference on
Remote Sensing
Kuala
Lumpur, MY
Shailesh Nayack, INCOIS
http://www.ogcnetwork.net/GEOSSdemos
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GEOSS Workshop/Demo at
IGARSS 2007
Barcelona Spain
22 July 2007
Rudolf B. Husar,
Professor and Director
Center for Air Pollution Impact and Trend Analysis (CAPITA),
Washington University, St. Louis
GEOSS Workshop at IGARSS 2007
• Demonstration was part of GEOSS workshop at IGARSS
– http://www.igarss07.org/frontal/Geoss.asp
• Rudy Husar, Washington University, St. Louis led the
demonstration development.
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Dust and Chlorophyll over the Mediterranean
GEOSS Web Services (GWS) Interoperability Demostration
Presented at the workshop
The User and the GEOSS Architecture
July 22, 2007, Barcelona, Spain
Ocean Fertilization by Atmospheric Dust
Oceanic Biomass by Phytoplankton
Evidence of Chlorophyll Enhancement by Dust
N. Pacific Ocean
Bishop et al.(2002), Science
Phytoplankton produce most of the oceanic
biomass through photosynthesis
E. Mediterranean
Photosynthesis by chlorophyll has been shown to
increase with atmospheric dust fertilization
However, precipitation, the wind and many other factors also influence the production of chlorophyll
A scientific challenge is to quantify the chlorophyll-dust relationship
Interoperability through GEOSS
GEOSS
Facilitates publishing, finding and processing
the data resources, to support decision makers
GetCapabilities
Back
End
Capabilities, ‘Profile’
Where? When? What?
Which Format?
GetData
[catalog pic]
Data
Client
Std. Interface
Server
Std. Interface
Accessible datasets for the
Barcelona Demo
Front
End
WMS/WCS – Space Time Query
Query
Where?
BBOX
When?
Time
What?
Temperature
Format
Standards
GetData
OGC, ISO
T1
netCDF, HDF..
T2
OGC, ISO
CF
CF, EOS, OGC
Barcelona Demo Network
Coordination and
Data Mediation Services
Data Processing, Portrayal
and Delivery Services
Data Access Services
Coordination
George Percivall
Coordination
Rudolf Husar, Erin Robinson
Coordination
Siri Jodha Singh Khalsa
Proc. Services
Stefan Falke
Delivery
Services?
Lorenzo Bigagli
Dust Model
C. Perez,
Dust Model
Doug Westphal
Dust Model?
George Kallos
Dust Data
Xavier Querol, Jorge Pey
Datasets, Model
Gregory Leptoukh, Nadime
Alameh
Wind Forecast
Ben Domenico
Population
Greg Yetman
J. Baldasano, P.
Guerrero, O. Jorba
Summary
• GEOSS System of Systems architecture is suitable for integrating data
across geographical, disciplinary and organizational boundaries.
• The current data access standardization is very spotty and fragile but
non-intrusive mediator services can bridge the interoperability gaps.
• Interoperability demonstrations are key steps toward configurable,
robust data flow and processing networks.
Links
• Annotated Scenario V4 PPT ,
• Demo Screencast - 258 MB flash, 64 MB
AVI, YouTube
• Demo preparation wiki workspace
• Short workspace content transferred to
OGCNetworks
GEOSS Workshop/Demo at
IPY GeoNorth Yellowknife, Canada
19-20 August 2007
GEOSS Workshop at GeoNorth
• Workshop Theme: “The Impact of Climate Change and
Variability on Biodiversity and Energy in the Arctic "
– Organized by Ellsworth LeDrew ([email protected])
• Workshop precedes the First International Circumpolar
Conference on Geospatial Sciences and Applications,
Yellowknife, N.W.T., Canada, August 20-24, 2007
– http://ess.nrcan.gc.ca/ipygeonorth/index_e.php
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GEOSS Workshop at GeoNorth
Draft agenda for August 20th, afternoon
13:00 Session Overview - George Percivall
13:10 Open Standards for GEOSS Interoperability - Doug Nebert
13:40 GEO Web Portal Candidate - Robert Thomas
14:10 Overview of biodiversity demonstrations - GeoConnections
14:25 Biodiversity Demonstrations
Robert Thomas, Compusult;
Greg Yetman, CIESIN;
Roman Gerlach (for Stefano Nativi, IMAA - CNR)
15:20 Closing Discussion and wrap-up George Percivall
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Presentation by D. Nebert
Open Standards for GEOSS Interoperability
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GEOSS Concept
Requirements on GEOSS Contributed Systems
Open Standards for Geospatial Interoperability
OGC Web Services Standards meet GEOSS Architecture
Requirements
Major OGC Specifications for GEOSS
Market Implementation
AI Pilot: Portal, Clearinghouse, scenarios
What to watch for in the demos
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Demonstration/presentation by Robert Thomas
GeoWeb Portal Candidate Presentation
• Committed to Standards
• Our Vision of the GeoWeb Portal
• The Compusult WES GeoWeb Portal
A suite of applications providing a real-time, web-based, geospatially enabled portal to
provide centralized interoperability, discovery, collaboration, sharing, access and
management over highly disparate information.
• How WES is Currently Used
– Selected Organizations using Web Enterprise Suite
• WES GeoWeb Portal Architecture Overview
• WES supports the following standards:
• WES Platform Independence
– WES X software components have been designed and implemented to operate across multiple
platforms. Operating Systems currently supported:
• WES: The Total Geospatial Portal Solution
• GeoWeb Portlets included in WES
– Discovery, Discovery agents, Viewer, Publisher, Administration, Colaboration, Other
• Benefits of a WES GeoWeb Portal
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Demonstration overview
• 1st role - need for study - development in a region
– initial problem scoping with focus on discovery of data sets,
establish AOI and saving as context
– Could start with news story report using geoRSS (Robert)
– Sends context document to analyst/researchers
• 2nd role: relation of development to caribou
– accepting context document, adding additional data and layers to
help evaluate problem statement.
– something like how might caribou migrations be affected by changes
in permafrost, roads, etc.
– be sure to include polar projections
• 3rd role: butterfly biodiversity
– Existing demo from INAA-CNR
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Part 1 - problem statement (Doug e-mail)
• 1. Where is the highest potential for oil-gas development in
areas that are not currently developed? Show energy
geologic provinces of potential. Show existing oil-gas
development. Show existing leases. Show land status
(protected lands, open lands, etc).
• 2. Identify areas that could be economically accessed as
extensions to existing infrastructure (pipelines, roads) that
are not protected lands.
• 3. Identify caribou migration patterns and discern any
potential conflicts of territory.
• 4. Identify snow cover, surface temperature, and vegetation
patterns relative to the migration of the caribou. Are there
cause-effect patterns or pressures on the migration?
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Scenario Ideas - Robert
• 1) possible oil pipeline may cross Caribou migration routes. Prompts investigation into the
effects on Caribou migration from Energy Exploration/Development in combination with
Climate change Issues. A totally fictional (geo)RSS feed
• 2) Robert contacts Greg because I knew he had some new pipeline data from the start of
the environmental assessment.
– Greg: You would have to mock-up some pipeline data going from the east end of Great Slave
Lake to the Beaufort Sea.
– Greg could save this as a context and send it back to me.
• 3) We would perform additional discovery of the Caribou migration layers, ice extents,
vegetation etc. These layers could be then added to Google Earth (GE) as the analysis
client (at this point our client and map server doesn't support the Polar Projection).
Basically, we could show the different seasonally migration and ice extents, plus any
other relevant layers, in switch able layers on GE.
• 4) Scientific Analysis: Now it gets into the scientific analysis and I would be way out of my
depth to suggest anything here.
• 5) Conclusions: Building a pipe line when combined with climate change creates a risk to
Carbou calving areas???????
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2. Research oriented scenario ideas - Terry
• we need to broaden our approach in this scenario.
– Most of the biodiversity issues have very subtle long term
cause/effect relationships that require examination of data from
many sources and interpretation by applications experts.
• storyline in this scenario could be that we put the tools in
the hands of the applications experts to bring together
many disparate datasets (including time series')
– We may not know if there is a correlation of significance between
datasets but our tools allow the applications experts to study these
data in ways that have not been possible in the past.
• The sea ice is a case in point. While the correlation
between sea ice and caribou migration is not obvious, the
caribou calving grounds are very close to the sea coast.
Maybe there is a connection here?
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INFORMATION GÉORÉFÉRENCÉE EN LIGNE
LOCATION-BASED INFORMATION ONLINE
Overview of biodiversity demonstrations -
See last weeks telecon for the full set of slides from Terry
http://portal.opengeospatial.org/files/?artifact_id=23122
Response from subject matter expert to the scenario in this
presentation:
Good stuff. Is there a way to change the projection so
that the North is not so distorted... changing projection will greatly
help grab the northern audience... Cheers
Dr Suzanne Carrière
Ecosystem Management Biologist
Environment and Natural Resources
Government of the Northwest Territories
Overview
•Description of Caribou Migration Data
•Complementary Data Layers
•Overview of Migration for all Herds
•All Herds for each season with seasonal snow extent
•Caribou Herd Migration Animation
Caribou Seasons
Dec 1 – Mar 31 - Early, Mid Winter
Apr 1 – May 31 - Spring, Spring Migration & Pre-Calving
June 1- 10
- Calving
June 11-30
- Post Calving and Movement
July 1-15
- Early Summer
July 16- Aug 7
- Mid Summer
Aug 8-Oct 7
- Late Summer and Fall Migration
Oct 8 – Nov 30
- Rut and Late Fall
Overview of Migration for all Herds
GEOS Demo Wiring Diagram:
Biodiversity in the Arctic
WMS
Caribou Tracks
NSIDC
Clients
Compusult
CIESIN
WMS
Polar
IMAA-CNR
Canadian topo
(layers)
WMS
NRCan
(layers)
WMS
GeoConnections
DRAFT
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Robert Thomas Demo
Compusult screen capture #1
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Robert Thomas Demo
Compusult screen capture #2
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Robert Thomas Demo
Compusult screen capture #3
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Demonstration/presentation by Greg Yetman
Data Discovery
• GEOSS Catalog would be ideal
– DADDI metadata catalog (data, not services)
– Earth-Sun Gateway
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Demonstration/presentation by Greg Yetman
Data Exploration
• SEDAC Map Client (presently Geographic, next week a
version in a polar projection should be available)
– http://sedac.ciesin.columbia.edu/mapviewer/
•WMS & WFS Support
•Can save and share WMC
docs
•Most content off-topic (Atlas of
the cryosphere permafrost
data shown at left)
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Demonstration/presentation by Greg Yetman
Data Sources
Cryosphere Atlas has a number of interesting layers
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Biodiversity and Climate Change
Resource Interoperability for the
GEOSS Interoperability Process Pilot
Project
Stefano Nativi
[email protected]
Biodiversity and Climate Change
Resource Interoperability - Nativi
• For the full presentation of IMAA-CNR
GBIF IP3 for Yellowknife:
– http://portal.opengeospatial.org/files/?artifact_i
d=23171
[email protected]
GBIF IP3 Working Group
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GBIF Secretariat
– Éamonn O Tuama, Tim Robertson, Dave Martin, Donald Hobern
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IEEE & University of Colorado
– Siri Jodha Khalsa
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Italian National Research Council (CNR-IMAA) & Univ. of
Florence
– Stefano Nativi, Paolo Mazzetti, Lorenzo Bigagli, Enrico Boldrini,
Valerio Angelini, Ugo Mattia
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University of Ottawa
– Jeremy Kerr
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University of Helsinki
– Hannu Saarenmaa
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University of Tokyo
– Motomi Ito
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WMO
– David Thomas
[email protected]
Adopted solutions
1. Write a formal and expanded use scenario
2. Use GBIF portal web services to access and retrieve the biodiversity
data
3. Access and retrieve NCAR Climate Change data via OGC WCS
4. Interoperability with GBIF and Climate registries using GI-go/GI-cat
federated catalog and Mediation Server (mapping to the ISO 19115
core metadata)
5. Use the Open Modeller ENM framework through its SOAP
functionalities
6. Put together an AJAX based demonstrator user interface
[email protected]
1. Write a formal and expanded use
scenario
• Modeling the impact of climate change on
the distribution of the butterflies of Canada
and Alaska
– Scientific name = amblyscirtes vialis
– Species taxonomy:
• Animalia
->arthropoda
->insecta
->lepidoptera
->hesperiidae
->amblyscirtes
->amblyscirtes vialis
[email protected]
4. Interoperability with GBIF and
climatological registries
• Unique and consistent interface for resource discovery and query
• Mediation to a unique Metadata Model: ISO 19115 core profile
Ecological Niche
Model Server
Discovery
Download
Download
GI-cat/GI-go
GBIF
Registry
[email protected]
In-situ
Biodiversity
Records
WCS
Registry
Climatological
and
Environmental Data
GEOSS Workshop, 19-20 August, GeoNorth
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June - Call for GWS participants
June - Develop societal benefit area scenario
June - Confirm Internet capabilities at workshop site
June - Identify scenario specific data sources
July - Components available on-line
July - Client server testing
Aug - Demo scenario testing and Client Capture
Aug 19 - On-site testing
Aug 20 - Workshop demos
Aug - posting results to OGC Network
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Additional info for GeoNorth
caribou migration data is available on a WMS.
• Polar scenario demo at the IPY conference in Yellowknife. Here is some info about the
data:The caribou migration data is available on a WMS. The GetCapabilities can be
found at
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http://www.cubewerx.com/demo/cubeserv/cubeserv.cgi?config=polar_scenario&service=WMS&version=1.3.0&request=GetCapabilities
• Here is a URL that describes the data. http://www.taiga.net/satellite/data2006.html
• Here is the URL to a CubeWerx client for this
WMS:http://www.cubewerx.com/demo/cubexplor/cubexplor.cgi?config=polar_scenario
• Here is a neat animation of the caribou migration data: caribouMigrationstransverseMercator.avi
<https://email.nrcan.gc.ca/exchange/Terry.Fisher/Drafts/FW:%20Meeting.EML/caribouMi
grations-transverseMercator.avi>
• Here are some scenarios suggested by one of the science people. 1. Movement of
caribou in spring and timing of greeness 2. Calving area use and greeness 3. CAR
Movement and timing and location of snow or ice on lakes 4. CAR Movement and
location of winter road, mines 5. Paterns in wintering areas and fire zones (show red on
sat images) etc
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Data servers - Dougs
• Turns out that the NWT also has some more detailed
geologic data in a map viewer but it's not clear that map
services are exposed. Should know more tomorrow. They
*do* have good metadata on the data set (not the service)
that is accessible through the Discovery Portal. Things are
coming together... - Doug Nebert
• The Yukon also has an available map viewer and WMS,
although I do not know if this covers your area of interest...
- Doug O’Brien
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Data servers
• Terry: The capabilities for the National Atlas WMS is:
– http://atlas.gc.ca/cgi-bin/atlaswms_en?VERSION=1.1.0&request=GetCapabilities
• Many of the OGC services available in Canada in the
GeoConnections Discovery Portal, under the Search
Services Link
– http://geodiscover.cgdi.ca/gdp/search?action=searchForm&entryType=service
• Costas: The link to WMS for Canadian topographic data is:
– http://wms.ctis.nrcan.gc.ca/wms/en/index.html
– You will have to register to get the address of the service, it is free.
The available digital topographic data are vector layers, DEM layer,
ortho Landsat 7 layer, raster maps.
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GEOSS Workshop at GeoNorth
• Data sources for Demos
– Use both Polar and Cylindrical projections.
• (Comment on telecon that we may not want to use EPSG:32661 - polar
stereographic projection centered at the north pole - to be clarified)
– (Need caribou data on WMS - maybe with CARMA group?)
– NSIDC Atlas of the Cryosphere - John Maurer ([email protected])
• http://nsidc.org/data/atlas/ogc_services.html#GetCapabilities
– WMS from Geoconnections
• http://geodiscover.cgdi.ca/gdp/search?action=searchForm&entryType=service
– Atlas of Canada - WMS with base layers (road, boundaries,
hydrography, populated places, etc.) for its 7.5 Million framework
data set.
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http://atlas.gc.ca/cgi-bin/atlaswms_en?VERSION=1.1.1&request=Getcapabilities&service=wms
• Additional Data sources and clients to be identified in
conjunction with AI Pilot
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WMS for Canadian topographic data
• The link to WMS for Canadian topographic data in the
North is
• http://wms.ctis.nrcan.gc.ca/wms/en/index.html
• You will have to register to get the address of the service, it
is free.
• The available digital topographic data are vector layers,
DEM layer,ortho Landsat 7 layer, raster maps, etc.
• I hope these data may be of help in supporting the
scenarios for the GEOSS workshop in Yellowknife.
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GEOSS Workshop/Demo - AfricaGIS
“Earth Observation to benefit Water
and Health”
Burkina Faso, Saturday/Sunday
September 15/16
GEOSS Workshop at AfricaGIS 2007
• http://www.africagis2007.gov.bf/
• forum for discussing the development and operational
issues of an advanced global information system for
supporting national, regional and global decisions
impacting society.
• Specific emphasis will be on the use of earth observation
for management of water and health in Africa.
• http://www.grss-ieee.org/ and go to GEOSS and then
workshops at the top of the home page.
• Currently do not have a volunteer to lead this demo. Will
be pursuing past demos that are recorded and are relevant
to the theme of the workshop - 70070810
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GEOSS Workshop, AfricaGIS 2007
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July - Call for GWS participants
July - Develop societal benefit area scenario
July - Confirm Internet capabilities at workshop site
July - Identify scenario specific data sources
Aug - Components available on-line
Aug - Client server testing
Aug - Demo scenario testing and Client Capture
Sept 14 - On-site testing
Sept 15-16 - Workshop
Sept - posting results to OGC Network
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GEOSS Workshop/Demo - OGC TC
“Regional Decisions for Climate
Change ”
Boulder, Friday/Saturday, Sept 21/22
GEOSS Workshop at OGC TC, Sept 2007
• http://www.opengeospatial.org/event/070921workshop
• How the GEOSS Architecture supports citizens and
policy makers in making decisions based upon
regional predictions of climate change
– Recognizing that the science to predict regional changes in
climate is still advancing,
– Address interoperability arrangements for decision support
tools and predictive models used around the globe to
support policy and management decisions.
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Regional Climate Demonstrations
• IPCC Data Distribution Centres
– Andrew Wolff
– Bob Chen
• IP3 Scenario on Biodiversity and Ecosystems
– focus the demonstration on the effects of regional climate change.
– working on valuable datasets and expertise for this point (i.e.
regional climate change)
– Stefano Nativi
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CIESIN data sets via WMS and WFS
• project and data are described here:
– http://www.ciesin.columbia.edu/data/climate/
• The GetCapabilities URLs for the services are:
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http://sedac.ciesin.columbia.edu/mapserver/wfs/CLIMATE_VULNERABILITY?&Service=WFS&Request=GetCapabilities
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http://sedac.ciesin.columbia.edu/mapserver/wfs/CLIMATE_VULNERABILITY?&Service=WMS&Request=GetCapabilities&Version=1.1.1
• You can view them in our client here:
– http://sedac.ciesin.columbia.edu/mapviewer/index.jsp?cntx=Climate.xml
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CIESIN IPCC data services
• see it in CIESIN client at:
– http://sedac.ciesin.columbia.edu/mapviewer/index.jsp?cntx=Climate.xml&c_box=180,180.02083333362134,-76.5260416666815,103.48437500012918
• via WFS at:
– http://sedac.ciesin.columbia.edu/mapserver/wfs/CLIMATE_VULNERABILITY?Reques
t=GetCapabilities
• via WMS at:
– http://sedac.ciesin.columbia.edu/mapserver/wfs/CLIMATE_VULNERABILITY?Reques
t=GetCapabilities&Service=WMS&Version=1.1.1
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Regional Climate Demo and AI Pilot
• Architecture Implementation Pilot
– GEOSS, FedEO and Tri-Lateral
– Conducted using OGC procedures
• Regional Climate Demo is one of the Scenarios for AI Pilot
• More information about AI Pilot
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Call for Participation: 35 responses, 105 organizations
Kickoff Meeting 5&6 June at ESA/ESRIN
Demostration at EO Ministerial Summit, November 2007
http://www.ogcnetwork.net/AIpilot
• Regional Climate WG mailing list:
– [email protected]
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GEOSS Workshop, OGC TC Sept 2007
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July - Call for GWS participants
July - Develop societal benefit area scenario
July - Confirm Internet capabilities at workshop site
July - Identify scenario specific data sources
Aug - Components available on-line
Aug - Client server testing
Aug - Demo scenario testing and Client Capture
Sept 20 - On-site testing
Sept 21-22 - Workshop
Sept - posting results to OGC Network
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GEOSS Workshop/Demo - ACRS
“Environment Disaster/Tsunami”
Nov 14, 2007 - Kuala Lumpur, MY
Dr. Shailesh Nayak, INCOIS
GEOSS Workshop at ACRS 2007
• Asian Conference on Remote Sensing - ACRS 2007
– 12-16 November 2007
– Putra World Trade Center (PWTC), Kuala Lumpur, Malaysia
– http://www.macres.gov.my/acrs2007/
• OGC demonstration leadership
– Dr. Shailesh Nayak, INCOIS
– Indian National Centre for Ocean Information Services
– http://www.incois.gov.in
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GEOSS Workshop Demo Schedule, ACRS 2007
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Aug - Call for participants
Sept - Develop societal benefit area scenario
Sept - Confirm Internet capabilities at workshop site
Sept - Identify scenario specific data sources
Oct - Components available on-line
Oct - Client server testing
Oct - Demo scenario testing and Client Capture
Nov 13 - On-site testing
Nov 14 - Workshop
Nov - posting results to OGC Network
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GWS Telecon - Any Other Business
• Next telecon - confirmed during the telecon:
– Thursday, 16 August 2007
– UTC 1400 - 10:00 am EDT
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http://www.timeanddate.com/worldclock/fixedtime.html?month=8&day=16&year=2007&hour=14&min=0&sec=0&p1=0
• GWS e-mail listserv additions?
– Changed listserv name from GSN to GWS
• Any other business
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GEOSS Demos Lessons Learned
• Application-specific demos are a great way to engage with user communities that would
not necessarily look to OGC standards.
• Emphasize message about using distributed components with open standards vs.
standalone application
• Tremendous enthusiasm and commitment of agencies and research groups to
collaborate
• Demo provides a fast-track to skills development and knowledge transfer.
• Live demo is compelling but dependent upon communications networks that may not be
reliable at workshops
• Live demo should be accompanied by a pre-recorded demo
• Presentation of the demo works best with two projectors: one for the client application,
the other for a powerpoint presentation explanation
• Start early to get satellite data
• Desirable to involve participants from the local region
• Keep it simple, focus on the magic of interoperability
• GEOSS Demos are persistent using OGC Network
– http://www.ogcnetwork.net/GEOSSdemos
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