Ncl regrid

ncl: An example of using g2gsh, which interpolates from one gaussian grid to another using spherical harmonics. ncl: Native lambert conformal grid from a GRIB file. nc file. Most of these are short scripts with a minimal number of resources set. edu/Applications/regrid. I would suggest using Uo = area_hi2lores_Wrap (loni,lati,U,False, 1, newlon,newlat, False) You can use the same weights file to regrid across other levels and timesteps of the same variable, or across other variables, as long as the lat/lon grid that you are regridding from and to are exactly the same, and, if you use the special GridMask (or Mask2D prior to NCL V6. the regrid fills in the data for > locations where the value should be NaN which subsequently “stret= ches” the > data). To restrict the area of the 1 degree grid, you can set DstLLCorner / DstURCorner to something like: Opt at DstLLCorner = (/ -30. 10. 0) option, that your masks are exactly the same. nc";--open file and read variable f = addfile (diri + fili, "r") tas = f-> tas tas @lat2d = f-> lat;--set 2 D latitude data tas @lon2d = f-> lon;--set 2 D longitude data var = tas Aug 4, 2011 · From: Wei Liu <wliu5ster_at_nyahnyahspammersnyahnyah> Date: Thu Aug 04 2011 - 10:46:29 MDT. The shapefile_utils. Feb 5, 2013 · routine that's built into the 6. This page contains some NCL scripts that you can download for doing creating visualizations of your data, adding shapefile outlines, adding primitives, or doing ESMF regridding. Feb 3, 2014 · > ESMF_regrid_6. NCL contributed. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a WRF grid to a rectilinear grid ; - Using functions for cleaner code ;===== ; This example is identical to ESMF_all_5. Script templates for NCL regridding and graphics. ncl > ESMF_regrid_7. e. Click here for more information on ESMF regridding options, most of which are supported in ESMPy. Sep 4, 2020 · [ncl-talk] regrid data from one unstructured grid to another unstructured grid Ming Chen chenming at ucar. I didn't see any grid corner lat/lon info on your NARR file, so we are having to use whatever NCL guesses. See ESMF_wgts_5 ;----- ; NCL User Guide Example: NUG_regrid_curvilinear_to_rectilinear_bilinear_wgts_destgrid_ESMF. Nov 23, 2020 · I have two . ipynb → Script to plot the regridded sea ice concentration data using a polar stereographic projection. Peter E Thornton to fulfill the need for daily climatological data necessary for plant growth model inputs, Daymet generates daily, gridded surfaces of temperature, precipitation, humidity, and radiation over large regions and takes into account areas of complex terrain. ncl script provides additional useful routines for working with shapefiles: print_shapefile_info - prints information about the shapefile. But there still had abnormal value near undergrond region in near surface pressure level. unl. shapefile_mask_data - masks your own data against outlines in a shapefile. See the area_conserve_remap page for full documentation and examples. Available in version 6. lcnative_3. I am not using ESMF_regrid right now because I wanted to try ESMPy is a Python interface to the Earth System Modeling Framework (ESMF) regridding utility. I tried CDO, and also ncremap, but did not work. In this case, the data is stored as 16-bit integers (referred to as type "short"). NCL can not determine branch, see ismissing function fatal Mar 17, 2021 · 919175314@qq_com said: Hi，. Saved searches Use saved searches to filter your results more quickly May 22, 2018 · Hi Lara, You are passing in your original data into advect_variable instead of the regridded variables. ;----- ;-- NCL User Guide example: ;-- NUG_regrid_rectilinear_to_curvilinear_bilinear_wgts_destgrid_ESMF. Consider example 6 as a guide to preserve the global precipitation average and noting that both datasets use fixed (interval, i. 75, or 0. I'm now trying it with the full ntime timesteps. A side note: I had to change: ndvi_all at time = systemfunc Apr 15, 2013 · NCL seems to be very powerful but the learning curve seems a bit steep. This may take up to 24 hours, depending on the grid Add ERA5 Forcing regrid. 5 deg" or > "1x1". 0 Below is a snippet of my code. Description. In some cases, edge points may not It uses the input description files ( srcGridFile and dstGridFile) for the source and destination grids, and the offline "ESMF_RegridWeightGen" weight generation tool to generate the weights. ESMFBINDIR takes priority. The longitudes are equally spaced while the latitudes are unequally spaced according to the Gaussian quadrature. ESMF_regrid_with_weights regrids data from a source grid to a destination grid, using weights stored in the wgtFile NetCDF file. Then I use ESMF_regrid_gen_weights and ESMF_regrid_with_weights to interpolate. Examples For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. ncl : This script illustrates how to create contours of an EASE grid. ncl functions (interpolation) narr_2. 0. Assume lon and lat are 2D arrays specifying grid locations. Aug 4, 2011 · Re: pop regrid This message : [ Message body ] [ More options ] Related messages : [ Next message ] [ Previous message ] [ In reply to ] [ Next in thread ] [ Replies ] Sep 25, 2011 · From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah> Date: Sun Sep 25 2011 - 07:40:56 MDT. Binary file not shown. There are two different ways to access the executable ESMF_RegridWeightGen. cn > wrote: > Dear NCL community, > > > I am using ncl ESMF_regrid function to convert projection from (1) latlon > to (2) wrf lambert. 0 (not V6. The interpolation is first performed in the x direction, and then in the y direction. 75_patch. Examples ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. ncl ;-- ;-- Description: regrid to curvilinear grid Jun 10, 2014 · > the results look a little bit off (i. The algorithm used assumes that all latiudes and longitudes refer to a spherical earth. Different kinds of transformations are appropriate for different problems. 75 to 179. linint2_points uses bilinear interpolation to interpolate from a rectilinear grid to an unstructured grid. Drawing the contours only is much quicker, and is good for quick debugging purposes. 5 degree LAI file into 0. ncl > > I have placed the source ERAI file and several files containing various > latitude and longitude grid configurations at the following ftp location: > > ftp ftp. In general, data of type short must be transformed prior to calculations and plotting . ncl with either bilinear > or patch. It says “could not find ESMF_RegridWeightGen executable” after generating the source_grid_file and destination_grid_file and before generating the weights. Feb 6, 2013 · >> I tried to use ESMF Regrid function in NCL v6. I have taken a regridding script found the NCL example website and modified it to handle very very large arrays and write the data, time step by time step. The contributed function short2flt may be used to directly read the data. This document gives a brief outline about ESMF, further information can be found at the ESMF home page at. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from an NCEP grid to a 5x5 degree global grid ; - Writing data to a NetCDF file using the easy but inefficient method ;===== ; This example is identical to ESMF_all_1. > The others tend to just regrid to a predefined grid, like "0. But, the code is buggy. nc" or " > ndvi3d_1982_r0. I am running NCL 6. Will From: Mary Haley <haley at ucar. The following NCL script reads the source and target file, regrid it using ESMF_regrid function, write the regridded variable to a new netCDF file and create a plot to compare the data. nc, and zmksrf_pft. Firstly, I changed the SE grid to lon-lat grid using "ncremap" (NCO operator), then I used NCL "vinth2p" to do the vertical interpolation. Beginning with NCL version 6. --Mary On Feb 5, 2013, at 8:46 AM, gibies george wrote: > Dear friends, > > I tried to use ESMF Regrid function in NCL v6. Previous message: [ncl-talk] regrid data from one unstructured grid to another unstructured grid Next message: [ncl-talk] adding theoretical lower bound to a scatter plot Jan 13, 2014 · Regridding is the process of interpolating from one grid resolution to a different grid resolution. line_type ( LineType ) – select the path of the line that connects two points on the surface of a sphere. nc (10) Source File is in ESMF format (11) Source Grid is a global grid (12) Source Grid is an unstructured grid (13) Use the corner coordinates of Nov 14, 2017 · Next message: [ncl-talk] Canonical Correlation Analysis via Barnett and Preisendorfer (BPCCA) Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Hi Mary, I added the two lines before ESMF_regrid, but the script still doesn’t work. . The result is that, sometimes, there are small gaps in the interpolated grids. nc files: zmksrf_lai. Next message: [ncl-talk] ESMF_regrid issue: 'ESMF_RegridWeightGen' was not successful. Warning (find_time_vars): Time variable >time< not found! and. In order to generate contours over a map from this Hi Nicolay, in my opinion CDO can't remap those files. ne0CONUSne30x8_patch_plot_simplified. ) So your Jan 21, 2021 · Add to your existing ncl scripts, code such as: lat1d = f[0]->lat. Assume xlon, ylat, and zVal are one-dimensional (1D) arrays of length KPTS. 995 Lo1 : 230. 1 or later. ; option specified in the command line. Here, we recommend to use the ESMF regridding software which is integrated in the NCL software package since version 6. Project repository for the CESM python based post-processing code, documentation and issues tracking. ; describing the destination (WRF-Hydro) grid. not Gaussian) grids. ncl Regrid the SST and sea-ice data from the B compset and create files in an appropriate format for processing with bcgen (you need to run bcgen afterwards to have a SST/ICE dataset in an Sep 7, 2016 · The script is > similar to ESMF_regrid_9. However, most commonly, regridding refers to spatial interpolation. edu Fri Sep 4 16:23:07 MDT 2020. 0 and later. ESMF_regrid_with_weights: Using the provided weight file, regrids data from one lat/lon grid to another. 05 degree PFT file, so that I have high resolution LAI data. We would like to show you a description here but the site won’t allow us. 01 Lat is in degrees_north Lon in degrees_east. 005 Lo2 : 299. If one or more of the four closest grid rectilinear_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. res@sfXArray = lon1d. latlon_to_SCRIP: Writes the description of a lat/lon grid to a SCRIP file. res@sfYArray = lat1d. The file type will be de (5) tected automatically (6) Starting weight generation with these inputs: (7) Source File: MPAS_ESMF. This in turn controls the path along which distances are calculated and the shape of the edges that make up a cell. See Also. If missing values are present, then linint2_points will perform the piecewise linear interpolation at all points possible, but will return missing values at coordinates which could not be used. ncl: There are times when you may not know the appropriate parallels for your native lambert conformal grid. ncl : This script demonstrates how to read in a NARR netCDF file into NCL. nc . ncl > ESMF_regrid_24. ;===== ; ESMF_regrid_1. 0 by manualy placing ESMF_regridding. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a 'Greenland' grid to a Sep 5, 2019 · Below we provide script packages to regrid meteorological forcing data to a smaller, completely encompassed WRF-Hydro domain. ncl > > I think that ESMF_regrid_8. It works ok but my file keeps adding these strange ncl dimensions to the output file: uv2vrdvf takes as input u and v and returns the vorticity and divergence in the arrays vr and dv. I think in this case, the guess was not ideal, and hence you got a I believe the errors arise when trying to generate a weight file. Example: the actual interpolation is conducted using g2gsh_Wrap, a wrapper function that will assign all the appropriate meta data, including the gaussian latitudes, to resulting output. linint2 uses bilinear interpolation to interpolate from one rectilinear grid to another. x. ncl uses ESMF utilities and reads a file with grid information and weights for the destination grid. The advantage is a custom weight file can be generated. The simple search algorithm used by rcm2rgrid is not capable of handling all cases. x "ncl" executable, and the ESMF_RegridWeightGen executable that comes with NCL V6. au> Cc: "ncl-talk at ucar. 1deg. NCL provides different functions to regrid the data using different methods. The NCAR Command Language (NCL) is an interpreted language that may be used for plotting fields in MPAS-Atmosphere's netCDF input and output files. plot_shapefile - creates a basic map plot with the shapefile outlines added. nc (9) Weight File: vertex_2_cell. Here’s a message I got: (0) get_src_grid_info: can't determine what type of source grid you have Mar 18, 2021 · Look inside ESMF_regridding. 5, then you would set this to True. create_SST_files_from_B_case_with_bcgen. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using bilinear interpolation ; - Drawing color-filled contours over a cylindrical equidistant map ; - Paneling two plots vertically on a page ; - Adding a common labelbar to paneled plots ; - Adding units attributes to lat/lon arrays ; - Turning off the individual contour labelbar ; - Manually creating (The weight file is not generated by NCL. If missing values are present, then linint2 will perform the bilinear interpolation at all points possible This could take needless extra time, because it will try to regrid to areas where you may not have data. This procedure does not handle missing values (defined by the _FillValue attribute). Daymet: Developed by Dr. See ESMF_wgts_11. >> >> ESMF_regrid_gen_weights: 'ESMF_RegridWeightGen' was successful. Sep 12, 2012 · Re: Problems with ESMF_regrid. On Sep 11, 2012, at 11:02 PM, Schiffer, Nicole June wrote: > Oops, I meant plot_CESM2_siconc_regrid. ncl might be your best bet, because it's one of > the few where the rectilinear grid being regridded to is read off a file. La1 : 54. The script is appended below. Change this: adv_vrt = advect_variable(u, v, wr, 1, "vorticity A Gaussian grid is one where each grid point can be uniquely accessed by one-dimensional latitude and longitude arrays (i. 75x0. Mar 18, 2021 · Hi Jiali: The function ESMF_RegridWeightGen executable is part of the ESMF library and is not a ncl function: that is the reason why you did not find it in the ncl source code itself. But I found a way to do it with NCL. Then I use rectilinear_to_SCRIP to generate the destination grid, which I would like to be 0. Either that must be in a directory included in your normal PATH variable, or else the optional shell variable ESMFBINDIR can be used to specify the directory containing ESMF_RegridWeightGen. It shows the following bunch of errors. DKRZ NCL script:;-----; DKRZ NCL Example: NCL_rotated_grid. The NCL script Regrid_fv2se_cmip6_main. I think they are both curvilinear. clyne added this to To do in Version 1. The script > attached is essentially the same as that template but with the 'conserve' > method for regridding removed. 0 is necessary for using this function. ; NCL V6. > > --Mary > Mar 20, 2013 · >> I tried to use ESMF Regrid function in NCL v6. Is there another simple yet better approach to take this data and > place it on a regular grid to map in NCL? > > > > Thank you for the help in advance! > > > > Marc Jun 12, 2014 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Thu Jun 12 2014 - 12:16:33 MDT. Plotting unstructured grids with MATLAB. 5. 5 to 359. ncl: Adds some intrinsic labels, manually sets the contour values, and creates a panel plot. ; WRF-Hydro model domain, a curvilinear grid specified in a geo_em. 75d/) --Mary On Mon, Nov 13, 2017 at 11:47 AM, Laura Fowler < laura at Feb 5, 2013 · From: gibies george <gibies_at_nyahnyahspammersnyahnyah> Date: Tue Feb 05 2013 - 08:46:40 MST. txt file) with (2) Simulation (lambert . >> >> However, I get the NCL scripts. , 0. nc" > > regrid_xxxx_output. If any missing values are encountered in a particular 2D input grid, then all of the values in the corresponding output grids NCL's ESMF regridding functions can be used to generate weight files: See Example 24. The tools used here utilize the ESMF regridding libraries contained within the NCL software. Options can bet set for which years to grid to the new files. The data is on a 3500x7000 grid at 0. For example, if your longitude values go from, say, -179. ncl, lines 2739-2754. 995 Di : 0. m. I want to interpolate the 0. It completed without any errors. This matlab routine shows how to plot results on an unstructured grid. This should be set to True only if you have global data, but your longitude values don't quite wrap all the way around the globe. ;----- ; regrid_1. 1. nc file to destination file: NARR. ncl) on a file for precipitation instead of sea > temperature as in the template but received multiple errors. A Python version of this projection is available here . 2 and later. Look at the NCL website for regridding: https://www. This procedure writes the description of a an unstructured grid to an ESMF description file. ucar. The input grid may be cyclic in the x direction. They do not account for the fact that the earth is an ellipsoid. edu" <ncl-talk at ucar. It generates weights quite okay. the coordinates are orthogonal). I have tried it on other precipitation CMIP5 > model outputs as Aug 1, 2017 · This should create a NetCDF file with > the regridded data called either "ndvi3d_1982_r0. 25d/) Opt at DstURCorner = (/ 30. #28. line_type ( LineType) – select the path of the line that connects two points on the surface of a sphere. hobbs at utas. shtml. polar_2. PopLatLonV, ESMF_regrid. gsnPolar = "NH". As of V6. Regrid output to regular grid Sep 12, 2012 · > <ESMF_regrid_16_region. area_conserve_remap_Wrap, area_hi2lores_Wrap, ESMF_regrid, linint2, linint2_Wrap, latGau, latGauWgt, latRegWgt, NormCosWgtGlobe. uv2vrdvf operates on a fixed grid. An option to indicate whether the rightmost dimension of fi is cyclic. However I was not successful (0) ESMF_regrid_gen_weights: output from 'ESMF_RegridWeightGen': Aug 2, 2019 · Port the NCL ESMF_regrid family of functions, including: ESMF_regrid. 14 kmf;-----begin;--define file name diri = ". GRIB files contain the parallel information, and NCL automatically reads these values in and assigns them as attributes to the lat2d array. Feb 6, 2013 · > I tried to use ESMF Regrid function in NCL v6. edu> Date: Tuesday, 21 August 2018 at 6:19 AM To: Will Hobbs <will. ftcurv: Calculates an interpolatory spline through a sequence of Regridding, also called remapping or interpolation, is the process of changing the grid that underlies data values while preserving qualities of the original data. This function is identical to area_conserve_remap, except the return value will have metadata added based on the input arrays. gz package contains NCL-based regridding scripts that will regrid ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. ) For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. Does it reveal that the upgradation of NCL to version 6. lon1d = f[0]->lon. The regridding can be done via a multi-step process that includes this procedure, or via an "all-in-one" function called ESMF_regrid. txt > > The two output files from running regrid_ndv_mod. I tried running the ESMF > template (ESMF_regrid_6. I ran your script over the first four timesteps instead of all of them, just so I could see the end result faster. ncl script on my working directory. cgd. ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. Here is a snippet of my code. edu. I am using the ESMF_regrid_16. ncl > ESMF_regrid_8. 0 roadmap on Aug 2, 2019. 0 by manualy Apr 21, 2024 · The first step is to conservatively regrid the original CMIP6 emissions to the desired grid. Your suggestion is highly appreciated. nc" NetCDF file, which is a intermediate file it needs to create in order to eventually create the NetCDF weights file. Sep 12, 2012 · I am using ESMF_regrid to regrid a WRF. The masks are Mar 19, 2013 · > > > Hi NCL-talk, > > > > > > I want to regrid a high-resolution (~1km) MODIS GPP to a coarse resolution (1x1) grid using ESMF_regrid. unstructured_to_ESMF is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. ncl. nc. 75_bilinear. plot_CESM2_siconc_original_regrid. nc Sep 12, 2012 · FW: (ESMF_regrid) is undefined This message : [ Message body ] [ More options ] Related messages : [ Next message ] [ Previous message ] [ Next in thread ] [ Replies ] ease_1. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from an MPAS grid to a curvilinear tripolar grid ;===== ; This example is identical to ESMF_all_11. clyne added the enhancement label on Aug 2, 2019. Hi, there I want to regrid POP ocean data from CCSM3 T31gx3v5, but get some error: Mar 13, 2019 · See attached On Mon, Mar 11, 2019 at 5:14 AM LSL < lslrsgis at whu. Gaussian grids do not have points at the poles. ESMF_regrid_gen_weights is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. ncl><ESMF_regrid. pdf> > On Sep 12, 2012, at 10:51 AM, jokalebo@huskers. Then, I saw the function you mentioned "vinth2p_ecmwf", I found it works in dealing NCL: DAYMET: Daily Sfc Weather and Climatologies. The ESMF_regrid function regrids data from one lat/lon grid to another, using ESMF software. - NCAR/CESM_postprocessing For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. regrid_pole_npoints – specifies how many points to average over if polemethod == ALLAVG. cnLevelSelectionMode = "ManualLevels". ncl, except it does the ; regridding in one call to "ESMF_regrid". There are numerous grid interpolation methods and users should choose the method appropriate for curvilinear_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. Dear friends, I tried to use ESMF Regrid function in NCL v6. 0, any interior points not interpolated in the initial interpolation pass will be filled using linear interpolation. edu wrote: > >> Yes Mary, I now notice that regridding from WRF to NARR works well with "bilinear" and "patch". Regridding from higher to the lower resolution grid. Several example scripts are provided below as a starting point, and users new to NCL may consult the extensive NCL documentation for examples and complete documentation on all functions ;===== ; ESMF_regrid_11. 3. ESMF_regrid_gen_weights: Writes a weight file using the offline ESMF weight generator. ncl;; 30. d0x. regrid_pole_npoints ( int) – specifies how many points to average over if polemethod == ALLAVG. ncl ; ; KMF ;----- load "$NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF Hi Dave, It's having problems creating the "source_file. gsn_csm_contour_map_polar is the plot interface that draws a contour plot over a polar stereographic map. Both methods have their advantages. Apr 5, 2018 · On the UNIX command, before you run your script, can you type the following four commands and send the output to ncl-talk: which ncl ncl -V env | grep NCARG which ESMF_RegridWeightGen Then, also tell us how you are running "ncl". Then: grid = triple2grid2d (xlon,ylat,zVal, lon,lat, False) will use default behavior and return a 2D array of the same size as xgrid. edu> Subject: Re: [ncl-talk] ESMF_regrid - SrcGridLat/SrcGridLon not recognised Hi Will, Were there any other errors with this script? The reason I ask is that it looks like ;----- ; ESMF_regrid_33. nc (8) Destination File: MPAS_CELL. Regridding may be needed when communicating data between Earth system model components such as land and lcnative_2. edu > anonymous > your_email > prompt > cd pub/shea/ESMF_EASE > ls > mget * > quit > > 518856 sep 6 16:54 EaseLatLon_100km. latlon_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. Hi Laura, The ESMF_regrid function got confused because you had set both DstGridType Sep 13, 2012 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Wed Sep 12 2012 - 10:01:37 MDT. ncl example. 005 La2 : 20. 5 degree over the region of the swath. ncl ; for a faster Jun 27, 2012 · That's not the problem though. I then call latlon_to_SCRIP with no problems. ESMPy provides a Grid to represent single-tile logically rectangular coordinate data, a Mesh for unstructured coordinates, and a LocStream for collections regrid_2. The first frame is a contour plot only, and the second frame overlays the contours on a northern hemisphere polar stereographic map. Setting option =True and option @ mopt =1 will result in the function using Mar 17, 2021 · Hi NCL users! I am having a problem running a regrid script. ;===== ; ESMF_regrid_5. 009999999 Dj : 0. ncl → A NCL script that plots the original (since NCL does not require a regular grid for plotting) and regridded data side by side Oct 30, 2014 · DKRZ NCL ESMF regridding curvilinear to rectilinear example#. Each compressed tar. For example, generate a weight file that will conservatively regrid the POP data to (say) a 1x2 grid. , 359. Next, I call ESMF_regrid_gen_weights and that throws an error: warning:getvardims: file (null) contains no dimensions readable by NCL fatal:The result of the conditional expression yields a missing value. This could involve temporal, vertical or spatial ('horizontal') interpolations. ; describing the source rectilinear grid. The projection of both the WRF and NARR files are lambert conformal. > > > The purpose is to compare (1) Observation (latlon projection/rectilinear > grids in . It is the ncl function ESMF_regrid_with_weights that calls the ESMF_RegridWeightGen (that ncl function is in the large ncl script ESMF_regridding. Jane, When you use the "conserve" method, you need to provide the grid corners, otherwise the NCL-ESMF software will have to guess at them. Jun 5, 2013 · The MOD16 data is in a (1200x1200) array, from a 1 km resolution Swath. 0-beta), this function will return type float if data is float, and double if data is double or the special "ReturnDouble" attribute is set to True (see below). Download and install NCL 6. Mar 4, 2014 · Regrid the SST and sea-ice data from the B compset and create files in an appropriate format to run with CAM2. /" fili = "diff_tas_rcp45_20060101. rc ou mm wt mi ch ze dp is ti