| About DecVar.org
The need for DecVar.org
- Research on decadal and longer term climate variability requires past data,
instrument-measured and proxy, for analysis and predictability
studies. Such data sets need to be collected from wherever they
are available, quality-checked for this purpose, and made available
to the research community. A common approach would bring consistency
and reliability to such processed data sets.
- Research on decadal and longer term climate variability also requires ensembles
of very long (~centuries) runs of complex ocean-atmosphere-land-ecosystem
models for simulation, data assimilation, and predictability studies.
Massive computing and archival facilities are required for these
purposes. A Web-based Center can exploit high-speed networks of
clusters of medium-capability computers or a few high-capability
computers to carry out such model runs and make the output available
to researchers. This would result in very efficient uses of computing
and brain powers.
- The community of researchers, with their individual expertise, interested
in decadal climate variability problems is distributed across
the world. It is unrealistic and unnecessary to physically colocate
them to form a coherent group that can tackle the immense problems
of observing, analyzing, simulating, and predicting decadal and
longer term climate variations.
- Massive archival facilities are required to store and disseminate large
data sets making centralization of such facilities difficult and
data dissemination from such facilities slow. A Web-based Center
can exploit high-speed Internet communications and the availability
of software and hardware systems connected to many server nodes
to disseminate data and data products.
- A coherent and faster progress towards international program goals
can be assured by allowing participation in such a Center to individuals
or groups of researchers from many countries.
- Massive investments of resources are required in global observing systems
for long-term climate variability and predictability studies.
The research output from such a Center would bring a higher level
of national/international consensus and collaboration in planning
and implementing long-term climate observing systems.
The scope of DecVar.org
- To develop a Webportal to make paleoclimate, instrument-measured, and model-generated data sets easily and freely available to the research and applications communities
- To assess data sets for their suitability in decadal climate variability and applications research;
- To integrate analysis and visualization software with these data sets so that data analyses and visualization can be performed without downloading the data sets;
- To conduct co-ordinated simulation, hindcast, nowcast, and futurecast studies of decadal climate anomalies;
- To determine which parameters/quantities/variables, skill levels, and prediction lead times would be useful to user communities and assess their predictability;
- To assess societal impacts of decadal climate variability;
- To generate experimental hindcasts, nowcasts, and multiyear futurecasts of the state of the climate system;
- To conduct observing-system experiments; and
- To co-ordinate these activities with other climate analysis and prediction Centers.
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