I am working on a research on climate change having both economic and climatic variables. the climatic variables at play are temperature and precipitation. how do i source these data for several countries?
If you have specific locations that you are interested in, you can use the geoknife package in R to pull climate data specific to any number of locations. See http://onlinelibrary.wiley.com/doi/10.1111/ecog.01880/full
and
http://www.ecography.org/blog/slicing-gridded-data-geoknife
For more information.
I haven't used it for anything outside of the US, but my understanding is that geoknife can access any gridded spatial dataset. Many global climate datasets are available on the web, for example: http://www.esrl.noaa.gov/psd/data/gridded/
Any of these could be accessed using geoknife, you would just have to point to the web url of the dataset.
You could check to find where Belda et al got the data. It has been updated since then to correct for wet bias.
The paper by Belda et Al (2014) shows the climate regions of the world (except Antarctica) for two periods, 1901-1931 and 1975-2005 based on global gridded data from the CRU.
Climate classification revisited from Köppen to Trewartha, Belda, M. et al, Climate Research, 2014
http://www.int-res.com/articles/cr_oa/c059p001.pdf
You probably want Global Historical Climatology Network (GHCN) data, available here (http://www.ncdc.noaa.gov/data-access/land-based-station-data/land-based-datasets/global-historical-climatology-network-ghcn). Click on "Data Access via Climate Data Online (CDO)" and choose "Global Summary of the Year" as the dataset. Enter your chosen country and download your data.
you can use CORDEX data If you go here
https://esg-dn1.nsc.liu.se/search/cordex/
The quality of NCEP and ECMWF data as well as all the re-analysis is well above the other datasets, and this is what all the scientific community is using for scientific purposes about climate and research. Other thing is to have the data you will need for your specific analysis since you will need a time period AND a resolution matching your economic analysis.
there are many global temperature and precipitation data sources: CRUTEM4, GHCN3,GISTEMP, and recently, CMA has its own global surface air Temperature (not published paper yet) and Precipitation data (Yang et al., 2016; J Meteor Res).
https://www.researchgate.net/project/Monthly-rainfall-gridded-data-set-for-Africa
here you can download for free monthly gridded data for Africa, at the half degree square scale, from January 1940 to December 1999.
How thes files have been built is in the publication attached (in French..., but an English updated version is under submission)
Article Constitution d'une grille de pluies mensuelles pour l'Afriqu...
You can find monthly temperature and precipitation data by country (1900-2015) from
https://www.researchgate.net/post/How_do_i_get_data_for_mean_annual_temperatures_and_precipitation
just send an e-mail to [email protected] for 2016 updated data (don't forget to specify your country/region/variable)
Article Multi-site modeling and prediction of annual and monthly pre...
Hi you can download data from this website: https://esgf-node.llnl.gov/projects/esgf-llnl/
You can find info from all the models participating in the CMIP5 if you want information about HINDCAST you can use experiments like (HISTORICAL 1850-2005) and if you want FORECAST you can download info from (RCP2.6, RCP4.5, RCP6.0, RCP8.5 from 2005-2100)
As mentioned above, there are a lot of data resources of surface temperature and precipitation. I would recommend KNMI's Climate Explorer. I think you can find what you want there.
You can use R package 'RNCEP' to easily get weather data from the NCEP/NCAR Reanalysis and NCEP/DOE Reanalysis II datasets.
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