Dear Sarath, I have designed such a portal in the past. Please email me [email protected] and we'll discuss a good way to go about implementing it
Cheers Ujjwal On Thursday, January 28, 2016 at 11:59:15 PM UTC-6, Sarath Guttikunda wrote: > > Dear All, > > following the recent request for rainfall data in Bengaluru (we also get > similar requests for data for air pollution modeling), here is a proposal > and couple of to do's, which some of you can help build and operationalize. > > The NCEP data fields are available @ 1 degree resolution, Global, from > 1948, and for free. Except that the files are very large, formated (netcdf, > which is not a problem in most of the mapping programs). > http://rda.ucar.edu/datasets/ds083.2/index.html#!description > > We use WRF meteorological to downscale this systematically for the years > in need. Over India, we work with the attached domain @ 0.25 degree > resolution and @ 1 hour temporal resolution. Multiple fields from WRF go > into dispersion models for pollution models, but five elements which are > most useful are - wind speed, wind direction, precipitation, mixing > heights, and temperature. We run WRF and archive these minimum parameters > for modeling purposes. Again, very large files. > > WRF model - http://wrf-model.org/index.php > FYI, IMD uses the same databases and the same meteorological model at > higher horizontal and vertical resolutions (using bigger servers). > > WRF can be run in forecast (using GFS fields) and hindcast mode (using > NCEP fields) > For example > hindcast - http://www.delhiairquality.info/meteorology > forecast - http://www.delhiairquality.info/daqi-meteo/ > (Delhi system runs @ 0.01 degree resolution in a nested mode) > > Proposal > > We can run the WRF model for multiple years and archive the data over > India @ 0.25 degree resolution. > > Can one of you or many of you, build a query portal where a user inputs > latitude and longitude (say for Bengaluru) and the year in need (time > range), and the system extracts the information for the five parameters > listed above from this WRF modeled data archive (not the raw data from > NCEP). We need to know the format in which you want the data. We can host > the portal. > > With regards, > Sarath > > -- > *Dr. Sarath Guttikunda* > *http://www.urbanemissions.info <http://www.urbanemissions.info>* > -- Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org --- You received this message because you are subscribed to the Google Groups "datameet" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
