19 Questions 41 Answers 0 Followers
Questions related from Amrit Thapa
Greetings, fellow inSAR enthusiasts! I would appreciate your insights regarding the prevailing techniques employed to rectify atmospheric artifacts in SAR interferometry. Could you kindly provide...
12 July 2023 7,433 0 View
I am looking for some reanalysis data (ERA5, ERA5-land. MERRA, HAR) to calculate long term trend. Wonder if there is sufficient literature that recommend reanalysis data for trend analysis.
02 August 2020 1,304 4 View
I am planning to use MSWEP rainfall data for some hydrological application. I decide to use R as i am familiar with it. Can anyone know how to read MSWEP rainfall data from R? I already tried with...
31 October 2017 7,903 3 View
For Himalayan catchment, what are the factors that could affect threshold temperature for a form of precipitation? Is it good to use a single threshold for whole catchment, if not why?
08 September 2017 8,622 1 View
Anyone working with modis snow version 6? How to convert NDSI value(0-100) into fractional snow cover area?
30 August 2017 4,289 2 View
Which precipitation product is better for trend analysis of higher Himalayan region? And do reanalysis and satellite based precipitation estimation incorporate solid precipitation?
05 June 2017 3,728 30 View
I am trying to analyze MOD11A2 ( modis land surface data for Himalayan catchment. I found large big missing data. What are available methods for filling missing data in modis terra land surface...
25 May 2017 9,354 3 View
Any smart way to correct elevation of monthly mean era temp data for Himalayan catchment?
24 May 2017 7,170 6 View
I am planning to distribute temperature data using kriging with external drift in R. I have time series data of temperature and i guess i need to make variogram for each day. Is there any way...
18 April 2017 1,089 4 View
I want to distribute point temperature data over some Himalayan catchment using Ordinary Kriging. While doing so i also want to use elevation raster as there is high elevation range in my study...
10 March 2017 2,184 5 View
I need to improve/increase the spatial resolution of gridded climate datasets from low to high (eg., 5 km to 90 m) for Himalayan Catchment. Can you suggest some?
13 January 2017 6,321 5 View
I have a raster stack (with binary values:0,1) and DEM. Both DEM and stack have same resolution and extent. I want to reclassify the values of stack using information from DEM. I want to...
29 September 2016 490 3 View
If you have idea or journal paper about sensitivity of precipitation to the deviation between simulated and observed, may i request you to shar/send ideas/link.
11 August 2016 595 1 View
What are the issues that could arise by distribution of point observation of precipitation and temperature in Himalayan catchment using lapse rates and precipitation gradient ?
05 August 2016 7,257 5 View
I am trying to distribute temperature and precipitation data in mountainous catchment. I have a data of one of the station within the catchment and want to distribute on each grid of the DEM using...
10 September 2015 2,612 5 View
I am trying to analyze the sensitivity of different parameters towards the snow simulation. Can anyone suggest which methods is best for doing so?
07 September 2015 1,039 6 View
I have extracted different cycles from temperature and precipitation at kyanging, langtang river basin, Nepal using EMD. Temperature data shows cycles of 1 year 3.13 years, 6.25 years, 8.33 years...
30 July 2015 1,898 2 View
I have a time series of daily precipitation data. There are a lot of missing data. In some cases, data are missing for many consecutive days. What is the best method for filling precipitation data?
22 March 2015 1,502 8 View
I am able to calculate the theil sen estimator to determine the trend of hydroclimatic time series but unable to plot it. I tried with some online codes in matlab and able to repeat with the same...
25 February 2015 3,447 2 View
