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IMPLEMENTING GEOSS

ITC GEONETCast Toolbox builds capacity for GEOSS

By Chris Mannaerts, Int’l Institute of Geo-information Science and Earth Observation (ITC)

To support GEOSS and expand the GEONETCast user base, the International Institute of Geo-information Science & Earth Observation (ITC) has developed an integrated toolbox for retrieving data via GEONETCast and then managing and analyzing these data. ITC supports this toolbox by providing education and training on the operational use of the GEONETCast system. It also conducts research aimed at developing applications for the various GEO societal benefit areas.

GEONETCast was established by GEO to enable users without good access to high-speed internet to benefit from GEOSS. Its four communications satellites transmit data to low-cost receiving stations maintained by the users. The GEO capacity-building strategy specifically identifies GEONETCast as a significant technology for advancing the capacity of governments and institutions to explore Earth observations more effectively; it also sees the system as an efficient means for exchanging and distributing training resources to a larger number of individuals.

 

Open source software

The ITC software toolbox is based on open-source standards and enables easy access to, and management of, GEONETCast data streams from various satellite and in-situ products and services. It also supports their efficient processing using the Integrated Land and Water Information System (ILWIS) or other geospatial information systems. The initiative represents a concrete action for GEO capacity building and seeks to expand the GEOSS user base and to build regional networks.

 

 Global near real time data reception through GEONETCast

Figure 1: Global near real time data reception through GEONETCast (GOES-W/E, METEOSAT-9, MET-7, FENGYUN-2C/MTSAT-1R; geostationary constellation TIR composite)

 

The ITC GEONETCast Toolbox is an ILWIS 3.6 Open plug-in (ILWIS is a PC-based geospatial software package that since 2005 has migrated to open source). It comprises capabilities for image processing, vector- and raster-based geospatial data analysis and digital mapping routines.

The development and maintenance of the Toolbox as a geospatial solutions framework for GEONETCast is being achieved in close cooperation with our open-source partner 52North.org, which is an initiative for geospatial open source software. In addition to the ILWIS Open user community, a GEONETCast user community web portal is currently under construction.

 

 The ITC GEONETCast TOOLBOX

Figure 2: the ITC GEONETCast TOOLBOX solution framework. Key features of the Toolbox Plug-in are a GEONETCast data stream management system for easy storage and retrieval of data; automated import routines for various satellite datasets, including meteorological formats; seamless integration with other open source data readers and processors; real-time Meteosat Second Generation data animation functionality and web mapping services (WMS) using the OGC standard.

 

Education & training

The toolbox, coupled to low-cost ground receiving stations, is currently becoming operational in several educational and research institutions in Europe and in African countries such as Kenya, Rwanda, South Africa and Tunisia. Figure 3 shows a practical course delivery around a C-band antenna for the reception of GEONETCast data at the Regional Centre for Mapping & Resource Development (RCMRD) in Nairobi, Kenya; it was set up with ITC staff support in early April 2009.

Further development of the capacity building segment around GEOSS and GEONETCast is being planned using a variety of modus operandi for research, education and outreach. ITC is currently building e-learning courseware around the GEONETCast Toolbox, to be available in early 2010, and it is making a stronger effort to incorporate real-time Earth observation data access and open-source concepts into its standard curricula and research.

 

 Training staff of RCMRD

Figure 3: Training staff of RCMRD, explaining the hardware configuration for GEONETCast satellite data reception to short course participants in Nairobi, Kenya (April 2009).

 

The GEO Task for GEONETCast is developing a training channel using available bandwidth and communication satellites for transmission of GEONETCast data. It is starting to build the user segment and develop applications for a number of GEO societal benefit areas using the Toolbox. This is being achieved through international cooperation GEO support projects such as the DEVCOCast and GEONETCab projects, which are supported by the European Commission’s 7th Framework Programme.

At this very moment, a two-week training course, sponsored by The Netherlands, is underway and being delivered by ITC in cooperation with local university staff at the Centre for Geo information Sciences (CGIS) at the National University in Butare, Rwanda.

More information, demonstrations and hands-on training on the use of the Toolbox are scheduled at the AfricaGIS 2009 pre-conference workshops (23-25 October in Kampala, Uganda) and at the GEO Water Cycle Capacity Building workshop hosted by CONIDA (30 November – 4 December) in Lima, Peru.

The ITC GEONETCast Toolbox together with the currently available information and training materials can be downloaded from www.itc.nl. The most recent updates of the ILWIS open source software and user communities can be accessed via www.52north.org.

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