Questions tagged [wrf-chem]

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2
votes
1answer
48 views

regeride netcdf file to template netcdf file resoulution

how can I regrid my NetCDF file into another NetCDF file resolution? change the file number 1 or 2 or 3 (file1.nc,file2.nc,file3.nc ) into resolution template file (wrfinput_d01.nc) . I have attached ...
0
votes
0answers
12 views

wrfchemi file with 30 timestep [duplicate]

I creat wrfchemi file for my wrf-chem, my wrfchemi file has 30 time step, frames_per_auxinput5 = 30, 30, auxinput5_inname = "wrfchemi_d", auxinput5_interval_m = 60, 60, frames_per_auxinput7 =...
1
vote
0answers
43 views

wrf_chemi file with 30 time steps

I creat wrfchemi file for my wrf-chem, my wrfchemi file has 30 time step, frames_per_auxinput5 = 30, 30, auxinput5_inname = "wrfchemi_d", auxinput5_interval_m = 60, 60, ...
0
votes
0answers
85 views

Providing Edgar emission using prep_chem_source for tracers (CO2-CH4)

I am working on CO2 and CH4 by WRF-CHEM, for providing my anthropogenic emission from Edgar data base, I'm going to use the Prep_chem_source App. I would like to use Edgar data emission (as my ...
0
votes
0answers
21 views

How can I create netcdf file from my emission data in wrfinput_d01 format

I have some emission data files in netcdf format in diffrent files. I would like to write them in netcdf file as my wrfchemi_d01 to use them for runing wrf_chem. How can I create netcdf file from my ...
1
vote
1answer
52 views

Longitudes and latitudes are not regular in WRF-out files

I am working by WRF-ouput files (wrfout_d01_2016-01-16_00:00:00). I extracted and printed latitude and longitude data from the "wrfout_d01_2016-01-16_00:00:00", ...
2
votes
0answers
80 views

Create emission files by my data emission for wrf-chem

Does anybody here have any experience with creating my own wrfchemi outputs from the emissions that are in different format, txt, netcdf and grib for instance? What I want to do, basically, is to ...
3
votes
1answer
38 views

Spatial allocation of road emissions and unit conversion

I have a grid shapefile that has a resolution of 1km x 1km. This grid is then used to spatially allocate road emissions. My goal is to get the emissions in the unit: μg m-2 s-1(microgram per ...
1
vote
2answers
264 views

WRF/Chem: Editing NetCDF (wrfchemi files) for own emissions

Does anybody here have any experience with editing wrfchemi outputs from the prep_chem utility so that I overwrite the file with my own emissions? I am knowledgeable in python, but I am not that well ...
2
votes
0answers
61 views

Error of compiling the wrf-chem V3.5 model

I have gone through the link (http://www2.mmm.ucar.edu/wrf/OnLineTutorial/compilation_tutorial.php) to build wrf libraries. I installed netcdf v4.1.3, mpich v3.0.4, jasper v1.900.1, zlib v1.2.7, and ...
2
votes
1answer
1k views

run the WRF model using ERA5

I want to run wrf chem with ERA 5. I followed this post https://dreambooker.site/2018/04/20/Initializing-the-WRF-model-with-ERA5/. Everything works fine unless I add surface pressure to surface data ...
1
vote
1answer
539 views

WRF: EPSG code or spatial reference for Lambert conformal, Mercator and polar stereographic projections [closed]

I'm building an R package (https://github.com/ibarraespinosa/wrftools) to read namelist.wps and return a dynamic map which you can make zoom. In my case, it would be very beneficial because writing a ...
5
votes
2answers
437 views

How to map emission inventory from lat&lon corrdinate to WRF model grid

Here, I have a regional emission inventory, which mainly contains the varibales of lat,lon,...
2
votes
0answers
138 views

What is the general procedure to run WRF-chem with chen_opt=16

Is there anybody who has run WRF-chem with chem_opt=16 successfully to simulate the green house gases? According to the User guide, it can be done in this way. But ...
6
votes
1answer
968 views

Why is WRF-Chem not reading my emissions data?

I've been trying to run WRF-Chem with my emissions but they are not being read by WRF-Chem. RADM2. I have emissions for the whole week, so io_style_emissions = 2 ...
3
votes
1answer
105 views

What denotes a parameterization in a model? (semantics )

I know that WRF has many different uses and options, from atmospheric chemistry to uses with fires, and so on. What exactly denotes a parameterization? For example, in WRF-Chem, is the chemistry ...