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Anomalies from the monthly mean climatology: Black: actual temperatures Green: climatology Anomalies m depends on the month.

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Presentation on theme: "Anomalies from the monthly mean climatology: Black: actual temperatures Green: climatology Anomalies m depends on the month."— Presentation transcript:

1 Anomalies from the monthly mean climatology: Black: actual temperatures Green: climatology Anomalies m depends on the month

2 Anomalies from the monthly mean climatology: Black: actual temperatures Green: climatology Anomalies

3 print(paste(“i=“,i,”, m=“,m, sep=“”)) Note: the results for Albany and Central Park NY are stored in (units for tavg are degree C!) data/USW00014735_tavg_mon_mean_ano.asc data/USW00094728_tavg_mon_mean_ano.asc

4 Note: the results for Albany and Central Park NY are stored in (units for tavg are degree C!) data/USW00014735_tavg_mon_mean_ano.asc data/USW00094728_tavg_mon_mean_ano.asc

5  class07.ppt (pdf): vector dot-product function  R:  scripts/  vectorfunctions.R  myfunctions.R  climatology.R,  plot_climatology.R climatology.R is an example how to concentrate all user-interactions with the program to a few lines at the top of the program: This makes a program re-usable. Give it a try: change the station name, and the year-range of the calculation for the climatological cycle. You will find an example at the end, how to write results to a data file. plot_climatology.R is a program to plot the results. It shows you how you can read back in the created data file. Note: try these scripts and compare with our previous scripts albany_climatology.R

6  R: monthly mean temperature data (in degree C)  data/  USW00014735_tavg_mon_mean_climc_1951-1980.asc  USW00014735_tavg_mon_mean_climc_1981-2010.asc  USW00094728_tavg_mon_mean_climc_1901-1930.asc  USW00094728_tavg_mon_mean_climc_1951-1980.asc  USW00094728_tavg_mon_mean_climc_1981-2010.asc The anomalies from the climatological cycle (1981-2010)  USW00014735_tavg_mon_mean_ano.asc USW00094728_tavg_mon_mean_ano.asc

7  R: monthly mean temperature data (in degree C)  figures/  USW00014735_tavg_mon_mean_climc_1951-1980.pdf  USW00014735_tavg_mon_mean_climc_1981-2010.pdf  USW00094728_tavg_mon_mean_climc_1901-1930.pdf  USW00094728_tavg_mon_mean_climc_1951-1980.pdf  USW00094728_tavg_mon_mean_climc_1981-2010.pdf 1951-19801981-2010 1901-1930 1951-19801981-2010


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