IRI/LDEO Climate Data Library
International Research Institute for Climate and Society
Columbia University
http://iridl.ldeo.columbia.edu/
Overview
IRI Data Collection
Generalized Data Tools
Specialized Data Tools
Dataset • Dataset •Dataset •Variable
•ivar•ivar
multidimensional
Data Viewer Data Language
Maproom
URL/URI for data, calculations, figs, etc
Data Flow based Analysis with explicit semantics
Resultsdata dataanalysis
Data Dataanalysis
Semantic Web
IRI DataCollection
Dataset • Dataset •Dataset •Variable
•ivar•ivar
multidimensional
EconomicsPublic Health
“geolocated by entity”
GIS
“geolocation byvector object or projection metadata”
Ocean/Atm
“geolocated by lat/lon”multidimensional
spectral harmonicsequal-area gridsGRIB grid codesclimate divisions
IRI Data Collection
IRI DataCollection
Dataset • Dataset •Dataset •Variable
•ivar•ivar
ServersOpenDAPTHREDDS
GRIBnetCDFimagesbinary
DatabaseTablesqueries
spreadsheetsshapefiles
images w/proj
IRI Data Collection
IRI DataCollection
Dataset • Dataset •Dataset •Variable
•ivar•ivar
Calculations“virtual variables”
imagesgraphics
descriptive and navigational pages
OpenGISWMS/WCS
Data Filesnetcdfbinaryimages
Clients
OpenDAPTHREDDS
Tables
ServersOpenDAPTHREDDS
GRIBnetCDFimagesbinary
DatabaseTablesqueries
spreadsheetsshapefiles
images w/proj
IRI Data Collection
IRI General Data Tools
Data Page
IRI General Data Tools
Data Viewer
IRI Map Room
Malaria Early Warning System• Front page illustrates most recent dekadal rainfall estimates (FEWS RFE)
• Change dates to view different time periods
• Administrative and epidemiological overlays available
• Click and drag box across map to zoom
IRI Map Room
STEP 1: Selectsize of domain for analysis
STEP 2: Select location for which analysis will be created
Administrative District ORBox – 11km, 33km, 55km, 111km
MEWS Time Series Analyses
IRI Map Room
MEWS Time Series Analyses
IRI Map Room
IRI Maproom
• Maproom link
• Global
• Regional
• Applications– Health– Food Security– Fires– IFRC
Finding the Data and Maps
• Semantic Web metadata/navigation/provenance
http://iridl.ldeo.columbia.edu/ontologies/
Faceted Searchhttp://iridl.ldeo.columbia.edu/ontologies/query2.pl?...
Metadata Browserhttp://iridl.ldeo.columbia.edu/ontologies/browse.pl
Generalizing the IRI plugin
• Currently entities are a view plus (optionally) a set of local data views– Local view is click-on-map plus some
parameter choices– Would be good to generalize those parameter
choices– Parameter choices should only appear when
appropriate
Generalizing the IRI plugin
• Currently entities are selected from a cascading menu– IRI should serve that menu– Menu should be generated in a meaningful
way– Do we need to consider some other way?
Possible Basis for Cascading Menu in SERVIR
• Dataset Hierarchy
• Dataset Faceted Search
• Maproom Faceted Search
• Maproom Hierarchy
Generalizing the IRI plugin
• Making better use of WMS– Should separate out the layers– Transparent Background on Images– Could include local info references within
WMS