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From Apache Wiki <wikidi...@apache.org>
Subject [Incubator Wiki] Update of "ClimateModelDiagnosticAnalyzerProposal" by LeiPan
Date Sat, 28 Feb 2015 09:00:49 GMT
Dear Wiki user,

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The "ClimateModelDiagnosticAnalyzerProposal" page has been changed by LeiPan:
https://wiki.apache.org/incubator/ClimateModelDiagnosticAnalyzerProposal?action=diff&rev1=13&rev2=14

  
  == Proposal ==
  
- These web-based tools let users display, analyze, and download earth science data interactively.
These tools help scientists quickly examine data to identify specific features, e.g. trends,
geographical distributions, etc., and determine whether a further study is needed. All of
the tools are designed and implemented to be general so that data from models, observation,
and reanalysis are processed and displayed in a unified way to facilitate fair comparisons.
The services prepare and display data as a colored map or an X-Y plot and allow users to download
the analyzed data. Basic visual capabilities include 1) displaying two-dimensional variable
as a map, zonal mean, and time series 2) displaying three-dimensional variable’s zonal mean,
a two-dimensional slice at a specific altitude, and a vertical profile. General analysis can
be done using the difference, scatter plot, and conditional sampling services. All the tools
support display options for using linear or logarithmic scales and allow users to specify
a temporal range and months in a year. The source/input datasets for these tools are CMIP5
model outputs, Obs4MIP observational datasets, and ECMWF reanalysis datasets, are stored in
the tool server, and are selectable by a user through the web services.
+ The proposed web-based tools let users display, analyze, and download earth science data
interactively. These tools help scientists quickly examine data to identify specific features,
e.g. trends, geographical distributions, etc., and determine whether a further study is needed.
All of the tools are designed and implemented to be general so that data from models, observation,
and reanalysis are processed and displayed in a unified way to facilitate fair comparisons.
The services prepare and display data as a colored map or an X-Y plot and allow users to download
the analyzed data. Basic visual capabilities include 1) displaying two-dimensional variable
as a map, zonal mean, and time series 2) displaying three-dimensional variable’s zonal mean,
a two-dimensional slice at a specific altitude, and a vertical profile. General analysis can
be done using the difference, scatter plot, and conditional sampling services. All the tools
support display options for using linear or logarithmic scales and allow users to specify
a temporal range and months in a year. The source/input datasets for these tools are CMIP5
model outputs, Obs4MIP observational datasets, and ECMWF reanalysis datasets, are stored in
the tool server, and are selectable by a user through the web services.
  
  1. Two dimensional variable services
  
  * Map of two-dimensional variable 
  
  This services displays a two dimensional variable as a colored longitude and latitude map
with values represented by a color scheme. Longitude and latitude ranges can be specified
to magnify a specific region.
+ 
+ * Two dimensional variable zonal mean
+ 
- Two dimensional variable zonal mean This service plots the zonal mean value of a two-dimensional
variable as a function of the latitude in terms of an X-Y plot.
+ This service plots the zonal mean value of a two-dimensional variable as a function of the
latitude in terms of an X-Y plot.
  
  * Two dimensional variable time series 
  
  This service displays the average of a two-dimensional variable over the specific region
as function of time as an X-Y plot.
  
- * Three dimensional variable services
+ 2. Three dimensional variable services
  
+ * Map of a two dimensional slice of a three-dimensional variable
+ 
- Map of a two dimensional slice: This service displays a two-dimensional slice of a three-dimensional
variable at a specific altitude as a colored longitude and latitude map with values represented
by a color scheme.
+ This service displays a two-dimensional slice of a three-dimensional variable at a specific
altitude as a colored longitude and latitude map with values represented by a color scheme.
+ 
+ * Three dimensional zonal mean
+ 
- Zonal mean: Zonal mean of the specified three-dimensional variable is computed and displayed
as a colored altitude-latitude map.
+ Zonal mean of the specified three-dimensional variable is computed and displayed as a colored
altitude-latitude map.
+ 
+ * Vertical profile of a three-dimensional variable
+ 
- Vertical profile: Compute the area weighted average of a three-dimensional variable over
the specified region and display the average as function of pressure level (altitude) as an
X-Y plot.
+ Compute the area weighted average of a three-dimensional variable over the specified region
and display the average as function of pressure level (altitude) as an X-Y plot.
+ 
- General services
+ 3. General services
+ 
+ * Difference of two variables
+ 
- Difference of two variables: This service displays the differences between the two variables,
which can be either a two dimensional variable or a slice of a three-dimensional variable
at a specified altitude as colored longitude and latitude maps
+ This service displays the differences between the two variables, which can be either a two
dimensional variable or a slice of a three-dimensional variable at a specified altitude as
colored longitude and latitude maps
+ 
+ * Scatter and histogram plots of two variables
+ 
- Scatter and histogram plots of two variables: This service displays the scatter plot (X-Y
plot) between two specified variables and the histograms of the two variables. The number
of samples can be specified and the correlation is computed. The two variables can be either
a two-dimensional variable or a slice of a three-dimensional variable at a specific altitude.
+ This service displays the scatter plot (X-Y plot) between two specified variables and the
histograms of the two variables. The number of samples can be specified and the correlation
is computed. The two variables can be either a two-dimensional variable or a slice of a three-dimensional
variable at a specific altitude.
+ 
+ * Conditional sampling
+ 
- Conditional sampling: This service lets user to sort a physical quantity of two or dimensions
according to the values of another variable (environmental condition, e.g. SST) which may
be a two-dimensional variable or a slice of a three-dimensional variable at a specific altitude.
For a two dimensional quantity, the plot is displayed an X-Y plot, and for a two-dimensional
quantity, plot is displayed as a colored-map.
+ This service lets user to sort a physical quantity of two or dimensions according to the
values of another variable (environmental condition, e.g. SST) which may be a two-dimensional
variable or a slice of a three-dimensional variable at a specific altitude. For a two dimensional
quantity, the plot is displayed an X-Y plot, and for a two-dimensional quantity, plot is displayed
as a colored-map.
  
  
  == Background and Rationale ==

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