Ishita Bhatnagar

9 Questions 8 Answers 0 Followers

Questions related from Ishita Bhatnagar

Do the simulated heads show an increasing trend or does the model require spin up?

I ran Modflow using a 2005 engine over my study area and got my first results. The result at one such location is attached herewith. There is a difference between simulated and observed time...

09 May 2024 6,496 0 View

Why am I getting an error while running Modflow in steady state ?

I am trying to set up groundwater flow model over the Ganga Basin (0.4 million sq km) using Modflow. I am using Visual Modflow Classic and Modflow 2005 engine. I had set up the transient model but...

05 December 2023 882 3 View

The interpolation of the initial heads in Modflow yields values above the ground surface. How to fix this?

The interpolation of the initial heads in Modflow yields values above the ground surface. I supplied a grid file of initial heads, containing the already interpolated head values using rigging...

21 January 2023 1,044 1 View

How does modflow handle overlapping of zones?

If there is overlapping in defining conductivity zones (for instance), then there will be cells in the grid which will come under both the zones, then which value does modflow assign to such...

23 November 2022 6,220 1 View

What does the PEST run error "error reading line 503 of model output" mean?

I tried to calibrate my model using pilot point approach of PEST module in modflow flex 6.1. I am getting the following error: "oh05-01-200000000503: line 503 of model output file...

18 November 2022 8,691 0 View

What does the error " '00-1' is not a valid integer value " mean in MODFLOW Classic?

I am facing this #error while giving input of river to Visual #MODFLOW Classic. The input is as a #shapefile. The error is '00-1' is not a valid integer. PFA the screenshot of the error for...

18 October 2022 8,165 2 View

What do the terms storage in and storage out mean in modflow volumetric budget?

The volumetric budget after running modflow model has the terms storage in out, recharge in and recharge out, river leakage in and out, and constant head in and out. What does storage in and out...

17 June 2022 4,978 4 View

Can modflow handle negative recharge values?

On running the modflow model, the volumteric budget mentions the term recharge out. Does this recharge out look after the negative recharge? Does this mean modflow can handle negative/zero...

17 June 2022 5,174 2 View

How accurate are the current DEM for india for hydrological modeling?

DEMs like that of Cartosat, SRTM etc. are an essential input data in many hydrological models to simulate and make future predictions. However, some literatures have begun highlighting the...

20 November 2019 472 8 View