22 Questions 24 Answers 0 Followers
Questions related from Harsh Upadhyay
Hello. I am looking for papers that have analyzed the impact of high artificial upstream storages in a watershed upon the applicability of the curve number method for runoff estimation. Thank you.
08 June 2023 9,070 3 View
I am using GLEAMS v3.7b in my project and intend to use its soil moisture products. However, I am confused as to what are the depths for which the surface and root zone soil moisture products are...
27 April 2023 6,777 2 View
I have a monthly dataset of GLDAS evapotranspiration (version 3.6 a with 3-hourly temporal resolution). The conversions I have come across suggests multiplying the dataset values with...
27 March 2023 1,829 3 View
Is there any manual or excel sheet for step by step design of gravity flood wall constructed on the riverbanks along the direction of flow?
16 November 2022 6,183 1 View
I have done the hydrologic design required for construction of a flood wall along a riverbank and determined the design flood elevation and now I'm looking for some readable material with step by...
23 October 2022 5,920 0 View
Can somebody provide a paper which states that the model validation efficiency tends to be lower than model calibration efficiency?
25 August 2022 8,390 3 View
Please suggest and link some good review papers on the topic of rainfall trend analysis consisting of various techniques and methodologies. Thank you.
29 May 2022 3,332 5 View
After running a simulation in HEC-HMS, I'm getting the following warning: Warning 42403: Time of concentration increased by one time interval (24h) in basin X. This is causing my simulated...
08 May 2022 1,903 1 View
I have used the following parameters to simulate: 1. Loss method: SCS-CN, 2. Transform method: Clark UH, 3. Routing: Lag. My simulated peak occurs 1 day after the observed peak. It shows "Warning:...
07 May 2022 8,899 9 View
I read a thesis which used the formula v = K(S^0.5) to determine the flow velocity in a channel. The value for conveyance K was adopted from Ward and Trimble (2004) and was mentioned to be equal...
06 May 2022 3,427 4 View
I want to set up a minimum amount of outflow (1500 cumecs) through a junction or reach or basin so that if the inflow there is less than the value above, it results in zero outflow. Is it possible?
03 May 2022 420 1 View
As you may know, the SPI values after calculation are obtained on a monthly basis with suitable skips in the months for corresponding time scales. What I want to know is that how should I prepare...
28 March 2022 7,380 3 View
I was trying to calculate the percentage change of Standardized Precipitation Index values using Sen's slope. What I observed was that the percentage became extraordinarily large as the time scale...
28 March 2022 6,192 3 View
I have a catchment which contains a peak, due to which, the peak and the area adjacent to it receives heavy rainfall (~1500 mm) during the rainy season but otherwise remains dry. However, other...
20 March 2022 5,697 12 View
I have calculated Standard Precipitation Index (SPI) values using "SPEI" package in R. Interestingly, I have got some zero values of SPI for about 10 months in the same year and this has happened...
20 March 2022 8,462 7 View
The phi-index is calculated as follows: phi-index = (P - R)/te where, P = depth of total precipitation, R = depth of rainfall excess and te = duration of rainfall excess. If the phi-index is...
17 January 2022 4,317 5 View
I am using Mann-Kendall test and Sen slope to assess the trends in monthly rainfall datasets for 64 years, e.g., Jan 1957, Jan 1958, ..., Jan 2020. Since the region is a semi arid one, there are a...
22 December 2021 1,262 8 View
I used the Mann-Kendall trend test in R as well as XLSTAT for a monthly streamflow data of 30 years (excel file attached) and obtained MK Z-statistic = 0 for one of the monthly time series....
08 December 2021 4,390 5 View
I read a paper today regarding trends in drought using SPI values. That got me thinking if there is or can be an index for flooding as well. The issue is that drought is usually a long term...
31 October 2021 5,707 8 View
I have 64 years of monthly rainfall data for three stations out of which each station has a month of serially correlated data (Station A: Jan, Station B and C: Apr). I use the modified...
26 September 2021 3,762 3 View
I attended a training to learn Hydrological Modelling Using SWAT, which is a widely used model, back in 2018. We discussed about the details regarding calibration and validation of a model and...
01 January 1970 1,647 4 View
Can somebody please provide links to papers consisting of tables with maximum canopy storage values against corresponding landuses? Classification of landuse as used by ESRI is preferrable.
01 January 1970 4,416 2 View
