Revision 1523a1e7
Added by Adam Wilson about 11 years ago
| climate/procedures/MOD35_Climatology.r | ||
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## merge all daily files to create a single file with all dates |
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system(paste(ncopath,"ncrcat -O ",outdir,"/*nc ",outdir2,"/MOD35_",tile,"_daily.nc",sep="")) |
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## Update attributes |
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system(paste(ncopath,"ncatted ", |
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" -a units,time,o,c,\"days since 2000-1-1 0:0:0\" ", |
| ... | ... | |
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## Monthly means |
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if(verbose) print("Calculating the monthly means")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -ymonmean -mulc,1.0 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonmean.nc",sep=""),wait=T)
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -ymonmean -mulc,-1 -subc,100 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonmean.nc",sep=""),wait=T)
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system(paste(ncopath,"ncrename -v PClear,PCloud ",tsdir,"/MOD35_",tile,"_ymonmean.nc",sep="")) |
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system(paste(ncopath,"ncatted ", |
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" -a long_name,PCloud,o,c,\"Mean Probability of Cloud\" ", |
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tsdir,"/MOD35_",tile,"_ymonmean.nc",sep="")) |
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## Monthly standard deviation |
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if(verbose) print("Calculating the monthly SD")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -ymonstd ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonstd.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD,CLD_sd ",tsdir,"/MOD35_",tile,"_ymonstd.nc",sep=""))
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -ymonstd -mulc,-1 -subc,100 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonstd.nc",sep=""))
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system(paste(ncopath,"ncrename -v PClear,PCloud_sd ",tsdir,"/MOD35_",tile,"_ymonstd.nc",sep=""))
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system(paste(ncopath,"ncatted ", |
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#" -a long_name,CER_sd,o,c,\"Cloud Particle Effective Radius (standard deviation of daily observations)\" ", |
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" -a long_name,CLD_sd,o,c,\"Cloud Mask (standard deviation of daily observations)\" ", |
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#" -a long_name,COT_sd,o,c,\"Cloud Optical Thickness (standard deviation of daily observations)\" ", |
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" -a long_name,PCloud_sd,o,c,\"Standard Deviation of p(cloud)\" ", |
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tsdir,"/MOD35_",tile,"_ymonstd.nc",sep="")) |
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## cld == 0
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if(verbose) print("Calculating the proportion of cloudy days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -eqc,0 -setctomiss,1 -selvar,CLD2 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld0.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD2,CLD0 ",tsdir,"/MOD35_",tile,"_ymoncld0.nc",sep=""))
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## frequency of cloud days p(clear<90%)
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if(verbose) print("Calculating the proportion of cloudy and probably cloudy days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -ymonmean -mulc,100 -lec,90 -selvar,PClear ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld01.nc",sep=""))
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system(paste(ncopath,"ncrename -v PClear,CF ",tsdir,"/MOD35_",tile,"_ymoncld01.nc",sep=""))
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD0,o,c,\"Proportion of Days with Cloud Mask == 0\" ", |
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" -a units,CLD0,o,c,\"Proportion\" ", |
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tsdir,"/MOD35_",tile,"_ymoncld0.nc",sep="")) |
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## cld == 0|1 |
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if(verbose) print("Calculating the proportion of cloudy days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -lec,1 -selvar,CLD2 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld01.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD2,CLD01 ",tsdir,"/MOD35_",tile,"_ymoncld01.nc",sep="")) |
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD01,o,c,\"Proportion of Days with Cloud Mask == 0|1\" ", |
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" -a units,CLD01,o,c,\"Proportion\" ", |
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" -a long_name,CF,o,c,\"Cloud Frequency: Proportion of Days with probability of clear < 90%\" ", |
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" -a units,CF,o,c,\"Proportion (%)\" ", |
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tsdir,"/MOD35_",tile,"_ymoncld01.nc",sep="")) |
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## cld == 1 |
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if(verbose) print("Calculating the proportion of uncertain days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -eqc,1 -selvar,CLD2 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld1.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD2,CLD1 ",tsdir,"/MOD35_",tile,"_ymoncld1.nc",sep="")) |
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD1,o,c,\"Proportion of Days with Cloud Mask == 1 (uncertain)\" ", |
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" -a units,CLD1,o,c,\"Proportion\" ", |
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tsdir,"/MOD35_",tile,"_ymoncld1.nc",sep="")) |
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## cld >= 2 (setting cld==01 to missing because 'uncertain') |
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if(verbose) print("Calculating the proportion of clear days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -gtc,1 -setctomiss,1 -selvar,CLD2 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld2.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD2,CLD23 ",tsdir,"/MOD35_",tile,"_ymoncld2.nc",sep="")) |
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD23,o,c,\"Proportion of Days with Cloud Mask >= 2 (Probably Clear or Certainly Clear)\" ", |
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" -a units,CLD23,o,c,\"Proportion\" ", |
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tsdir,"/MOD35_",tile,"_ymoncld2.nc",sep="")) |
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## cld >= 1 |
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if(verbose) print("Calculating the proportion of clear days")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -gec,1 -selvar,CLD2 ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymoncld13.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD2,CLD13 ",tsdir,"/MOD35_",tile,"_ymoncld13.nc",sep="")) |
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD13,o,c,\"Proportion of Days with Cloud Mask >= 1\" ", |
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" -a units,CLD13,o,c,\"Proportion\" ", |
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tsdir,"/MOD35_",tile,"_ymoncld13.nc",sep="")) |
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## number of observations |
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if(verbose) print("Calculating the number of missing variables")
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -mulc,100 -ymonmean -mulc,1.0 -eqc,9999 -setmisstoc,9999 -selvar,CLD ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonmiss.nc",sep=""))
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system(paste(ncopath,"ncrename -v CLD,CLD_pmiss ",tsdir,"/MOD35_",tile,"_ymonmiss.nc",sep=""))
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system(paste("cdo -O sorttimestamp -setyear,",myear," -setday,15 -nint -ymonmean -mulc,100 -eqc,9999 -setmisstoc,9999 -selvar,CLD ",outdir2,"/MOD35_",tile,"_daily.nc ",tsdir,"/MOD35_",tile,"_ymonmiss.nc",sep=""))
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system(paste(ncopath,"ncrename -v PClear,CF_pmiss ",tsdir,"/MOD35_",tile,"_ymonmiss.nc",sep=""))
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system(paste(ncopath,"ncatted ", |
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" -a long_name,CLD_pmiss,o,c,\"Proportion of Days with missing data for CLD\" ",
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" -a scale_factor,CLD_pmiss,o,d,0.01 ",
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" -a units,CLD_pmiss,o,c,\"Proportion\" ",
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" -a long_name,CF_pmiss,o,c,\"Proportion of Days with missing data for CF\" ",
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" -a scale_factor,CF_pmiss,o,d,0.01 ",
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" -a units,CF_pmiss,o,c,\"Proportion (%)\" ",
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tsdir,"/MOD35_",tile,"_ymonmiss.nc",sep="")) |
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## TODO: fix projection information so GDAL can read it correctly. |
| ... | ... | |
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if(verbose) print("Append all monthly climatologies into a single file")
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system(paste(ncopath,"ncks -O ",tsdir,"/MOD35_",tile,"_ymonmean.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymonstd.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymoncld0.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymoncld01.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymoncld1.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymoncld2.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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system(paste(ncopath,"ncks -A ",tsdir,"/MOD35_",tile,"_ymonmiss.nc ",tsdir,"/MOD35_",tile,"_ymon.nc",sep="")) |
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## append sinusoidal grid from one of input files as CDO doesn't transfer all attributes |
| ... | ... | |
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" -a units,time,o,c,\"days since 2000-1-1 0:0:0\" ", |
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" -a title,global,o,c,\"MODIS Cloud Product (MOD35) Climatology\" ", |
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" -a institution,global,o,c,\"Yale University\" ", |
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" -a source,global,o,c,\"MODIS Cloud Product (MOD35)\" ", |
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" -a source,global,o,c,\"MODIS Cloud Product (MOD35) Collection 6\" ",
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" -a comment,global,o,c,\"Compiled by Adam M. Wilson (adam.wilson@yale.edu)\" ", |
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outdir2,"/MOD35_",tile,".nc",sep="")) |
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|
| ... | ... | |
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print(table(fdly$fyear)) |
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print("Months:")
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print(table(fdly$fmonth)) |
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## quit R |
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q("no")
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|
Also available in: Unified diff
minor clean up to MOD35 Climatology