Notes, Questions and Discussion

Submitted by esrl_admin on Wed, 07/20/2016 - 10:04

Users have requested workspaces and comment areas for general reanalysis questions and for asking specific questions or posting comments about specific reanalysis datasets.

The links below are good places to post notes, ask questions, or start a discussion about each dataset.

Links to Notes, Questions, and Discussions for each reanalysis dataset:

Reanalyses.org Overview Comparison

Ashwin (not verified)

Thu, 09/01/2016 - 02:31

Does anyone have any code samples that are newer than this one - http://www.esrl.noaa.gov/psd/data/gridded/readgeneral.F ?

 

I want to be able to read a reanalysis 2 file using fortran and netcdf .

Tracy Carty (not verified)

Thu, 04/06/2017 - 08:26

Hi

I work for a leading development NGO.  I'm writing a paper on the East Africa drought and I'm trying to get the following information, or close to it based on what's available.  I'm not up to speed with the data sets or how to use them and hence this message is a call to see if anyone would be able to lend me a hand.  I'm hoping this is a quick job for someone who has the data to hand and knows what they are doing??

[Mean annual temperatures increased from 1960-2016 by X in Kenya, X in Ethiopia and X in Somalia][would also be interested for 2015 and first few months of 2017 if available]

FYI - I've also emailed merra-questions@lists.nasa.gov to see if anyone can help with this.

Best wishes,

Tracy

 

Dear Tracy,

If you go to the Web-based reanalysis intercomparison tools https://reanalyses.org/atmosphere/writ and select the WRIT Timeseries button, you can make these calculations yourself for regions that encompass your countries of interest. The JRA-55 Screen dataset is probably the best for your purposes, as it includes actual near-surface thermometer values and is fairly up to date. The JRA-55 itself does not directly include the near surface temperature observations (it does include the upper-air, which start near the surface). 

Enter your latitude and longitude box approximating each country and you will get a time series that includes statistics about how much the temperature has changed.

You can also use the WRIT Maps and zoom in on Africa, and show the difference between the current period and an earlier period.

Hope that this is helpful.

Best wishes,

gil

 

Cathy.Smith@noaa.gov

Fri, 04/07/2017 - 09:57

The WRIT page is a good start.

For specific countries, The World Bank has data by country but not to 2015. You might contact them and see if they have it available.

http://data.worldbank.org/data-catalog/cckp_historical_data

They use CRU data.

You could also look at the URL below  (they have different years/months available). NCEI has many datasets and could have it lesehwre. You can look/ask them.

https://www.ncdc.noaa.gov/sotc/global/201513


good luck!

Cathy

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