Hello Sir, thank you for the informative tutorial. I am doing the same analysis for my school purposes, and I do not know how to access that data so I can then follow your analysis instructions. Would you help me to understand how can I access that data and arrange them in the right way? Thank you in advance.
Thank you for your comment. The Palmer Drought Severity Index (PDSI), is indicator to quantify the long-term drought conditions, for an area at a certain time. pdsi(P, PE, AWC = 100, start = NULL, end = NULL, cal_start = NULL, cal_end = NULL, sc = TRUE) P Monthly precipitation series without NA [mm]. Can be a time series. PE Monthly potential evapotranspiration corresponding to the precipitation series. Can be calculated by the Penman-Monteith or the Thonthwate equation [mm]. AWC Available soil water capacity of the soil layer [mm]. Default 100 mm. start Integer. Start year of the PDSI to be calculate default 1. end Integer. End year of the PDSI to be calculate. cal_start Integer. Start year of the calibrate period. Default is start year. cal_end Integer. End year of the calibrate period. Default is end year. sc Bool. Should use the self-calibrating procedure to calculate the climatical coefficient (K2 and duration coefficients). If I have got data I will show you how we can calculate the pdsi
Hello! Thank you for the video. I am having an issue with my monthly data containing NAs and your "na.value=NA" is not working. Do you have any advise please? Thank you
Nic sorry i very late for the replay i was too busy by filed project any way thanks for your question the problem might be in preparing the data to feed in to the software so leave blank all the NAs in the excel it will be changed in to NA while you call the data in to the R software and you can perform the analysis
thanks for your video.. its very helpful.. I have a question i want to calculate monthly ,seasonal, and yearly precipitation anomaly index. but i dont have daily data... what will i do? Because i don't have any daily data so i cant perform RAI?????? plss give me some suggestions .. I look forward to your suggestions.. thank you very much
Thank you for your valuable suggestions... if you share some monthly date set formate to calculation for RAI then it will be helpful for me.. or share your email id then i will send my data set...thank you..plss reply.. its essential for my project
Hello. Do you have some r codes and datas in R studio for Hidrological modelling? I need codes to load some graphs for making presentation about some data made in R studio. Please help. I have been searching a lot on google and youtube but cant find. I have to make ppt about Hidrological modelling in R so I need r codes and data, if you could recommend me some links I will be grateful.
Hi Asiche, Thank for the video, really it is helpful. I follow the video and I tried to go through but I face this challenge during calculating seasonal rainfall. Your help will be ... as.seasonal(zm) Error in seq.default(start, nrow(object), by = 3) : 'to' must be of length 1
Sir thank you very mach, I think the data arrangement is may be wrong so first prepare your data first appropriately and leave the missing value blank and try it a gin if not it work please email me I will try to fix your problem.
Install or prepare hydroTSM package then Loading daily precipitation data at the station in csv format # extreme indices/ daily maximum rainfall data(data) Selecting only a three-year time slice for the analysis x
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Thank you for your awesome video, which is really helpful, please go ahead and keep doing awesome
Hi asche. Thank you for the video. I t is very useful for my project. Keep it up.
thank you sir!
Hello Sir, thank you for the informative tutorial. I am doing the same analysis for my school purposes, and I do not know how to access that data so I can then follow your analysis instructions. Would you help me to understand how can I access that data and arrange them in the right way? Thank you in advance.
Hello
Thanks for the great explanation
How do we calculate the Palmer drought index?
Thank you for your comment. The Palmer Drought Severity Index (PDSI), is
indicator to quantify the long-term drought conditions, for an area at a certain time.
pdsi(P, PE, AWC = 100, start = NULL, end = NULL, cal_start = NULL,
cal_end = NULL, sc = TRUE)
P Monthly precipitation series without NA [mm]. Can be a time series.
PE Monthly potential evapotranspiration corresponding to the precipitation series.
Can be calculated by the Penman-Monteith or the Thonthwate equation [mm].
AWC Available soil water capacity of the soil layer [mm]. Default 100 mm.
start Integer. Start year of the PDSI to be calculate default 1.
end Integer. End year of the PDSI to be calculate.
cal_start Integer. Start year of the calibrate period. Default is start year.
cal_end Integer. End year of the calibrate period. Default is end year.
sc Bool. Should use the self-calibrating procedure to calculate the climatical coefficient (K2 and duration coefficients).
If I have got data I will show you how we can calculate the pdsi
How to calculate and map Palmer Drought Severity Index (PDSI) using Rstudio ruclips.net/video/ypZvpd7VSaM/видео.html
@@geo-9578 I do not know how to express my thanks and appreciation for this wonderful work
Regards
Thanks for your video, its amazing, but..how i can perform, if i just have monthly data?
Hello! Thank you for the video. I am having an issue with my monthly data containing NAs and your "na.value=NA" is not working. Do you have any advise please? Thank you
Nic sorry i very late for the replay i was too busy by filed project any way thanks for your question the problem might be in preparing the data to feed in to the software so leave blank all the NAs in the excel it will be changed in to NA while you call the data in to the R software and you can perform the analysis
How to calculate and map Palmer Drought Severity Index (PDSI) using Rstudio ruclips.net/video/ypZvpd7VSaM/видео.html
thanks for your video.. its very helpful.. I have a question i want to calculate monthly ,seasonal, and yearly precipitation anomaly index. but i dont have daily data... what will i do? Because i don't have any daily data so i cant perform RAI?????? plss give me some suggestions .. I look forward to your suggestions.. thank you very much
I think if you have monthly rainfall you can perform, otherwise you have to collect daily point data from national metrological station.
Thank you for your valuable suggestions... if you share some monthly date set formate to calculation for RAI then it will be helpful for me.. or share your email id then i will send my data set...thank you..plss reply.. its essential for my project
mmbalm11@gmail.com
Thank you very much
I am just sending you one of my dataset.. and wait for your reply..thank you
Hello. Do you have some r codes and datas in R studio for Hidrological modelling? I need codes to load some graphs for making presentation about some data made in R studio. Please help. I have been searching a lot on google and youtube but cant find. I have to make ppt about Hidrological modelling in R so I need r codes and data, if you could recommend me some links I will be grateful.
Sri, thank you for your request i have no r codes.
Hi Asiche, Thank for the video, really it is helpful. I follow the video and I tried to go through but I face this challenge during calculating seasonal rainfall. Your help will be ...
as.seasonal(zm)
Error in seq.default(start, nrow(object), by = 3) :
'to' must be of length 1
Sir thank you very mach, I think the data arrangement is may be wrong so first prepare your data first appropriately and leave the missing value blank and try it a gin if not it work please email me I will try to fix your problem.
can you show me how to calculate Aridity index using R
How to calculate one day maximum rainfall data in r studio
Install or prepare
hydroTSM package
then
Loading daily precipitation data at the station in csv format
# extreme indices/ daily maximum rainfall
data(data)
Selecting only a three-year time slice for the analysis
x
Hi
Can you share the data file with me?
Which data? sorry if you want the precip & tep data it is areal point data collected from NM Agency so i can't.