21 Questions 26 Answers 0 Followers
Questions related from Summera Khan
hi i have calibrated a snow/glacier-fed mountainous watershed. The calibration results are good with R2 and NSE >0.80 and p factor 0.77 and r factor 0.71, PBIAS 7.5 I have got the following...
13 June 2023 6,066 3 View
HI I am just curious that many papers projecting the future climate or their impact on water resources have selected a time period for mid (2050-2070) or end century (2070-2100) leaving behind the...
01 December 2022 9,619 3 View
Hello Everyone, in SWAT HRU definition part, we need to define slope classes,i.e either single or multiple. I have a mountainous watershed, so I want to use the multiple slope option but I m not...
04 November 2022 7,248 3 View
Hello please help in finding the area under the curve (as in the attached figure) in R. The curve has been created using logspline function on histogram (density )
13 October 2022 3,755 3 View
hello I am using ESRI LULC for a glacierized watershed in ArcSWAT. What will be the classification of flooded vegetation in the database file? Similarly, what should I use for snow/ice to make a...
29 August 2022 533 3 View
Hi I am trying to use QSWAT for hydrological modelling. However, I face the issue of tauDEM pit remove error as in attached fig. I am using QGIS 3.16.7 LTR, WINDOWS 10 and QSWAT3.
28 July 2022 633 1 View
Hi I have downscaled RCMs using LarsWG. Now I want to create ensemble of these climate models. How should I proceed?
29 May 2022 2,403 0 View
Hello Someone please help me what is the meaning of this warning message. It appeared when I want to extract data of my area of interest using R from netcdf file. I am working on temperature and...
15 December 2021 2,201 1 View
hi please guide how to make multi model ensemble of regional climate model? I am using south asia domain of cordex and my variables are precipitation, tmax and tmin. there exists 153 different...
11 December 2021 997 5 View
hello i am trying to find missing precipitation from other best correlated stations by using multiple linear regression. But my regression equation gives negative values (which is not possible for...
21 September 2021 3,056 5 View
hi i am new to climate studies. can anyone plz tell that by how much resolution the climate data can be downscaled by using LARS-WG? I want to increase resolution of 0.44 degree RCMs
26 August 2021 1,582 1 View
hi i have netcdf file with rotated coordinates. i want to extract data using cdo i am using following command cdo -outputtab,date,value -remapnn,lon=X_lat=Y infile.nc > output.txt here X =...
25 August 2021 4,099 1 View
hi I am trying to extract data for a particular location from netcdf file. I have used CDO, ArcMap and R. However, all three give different outputs. Specially R. I'll be highly obliged if someone...
23 August 2021 4,732 1 View
hi I have 11 netcdf files, each of 5 years durations for a particular search constraint. 1951-1955, 1956,1960, 1961-1965 and so on till 2005 now I want to combine all these files to make one...
20 August 2021 9,256 7 View
Hello everyone I have precipitation data at 5 different meteorological stations. All of these stations have missing data. I have tried MCMC method using XLSTAT. It gives negative values for some...
21 March 2021 4,035 6 View
hi is there any standard to select threshold value for precipitation in RClimdex while calculating indices? plz see attached figure. max ppt value is 118mm with an outlier of 385mm (data range...
09 September 2020 1,567 1 View
Hello Kindly guide me that for climate change studies for a watershed and analysing its impact on water resources , daily time series data for temp n precipitation is necessary or we can go with...
17 June 2020 1,072 6 View
Hi Anyone here can identify the meteorological stations across Pakistan boundary located in China, India or Nepal to study complete upper indus basin?
18 March 2020 5,717 3 View
Is there anyone who can guide/suggest me some research area to work upon related to climate change in sparsely gauged mountainous watershed? As a lot of work has already been done and it is...
28 February 2020 3,138 3 View
Kindly tell me what are different satellite rainfall and temperature products are nowadays available? What are their spatial-temporal resolution and accuracy. What is the best product? How that...
19 February 2019 3,857 20 View
I am trying to find a trend of temperature in a catchment area. I have run homogeneity test on six of my stations and all of these are inhomogeneous. Now what should I do?
30 March 2017 6,286 3 View
