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Questions related from Muhammad Firdaus
I found out that there are various ways to calculate LS factor (Topographic factor) when using QGIS such as Moore & Nieber (1989), Desmet & Gobers (1996) and Wischmeier & Smith (1978)....
16 March 2023 4,215 3 View
I want to classify my raster file into several classes in ArcGIS . When I click "Classified" in Symbology, ArcGIS stated that "the Classified renderer requires the data to have a histogram. Do you...
07 April 2022 405 4 View
I read that single-parameter sensitivity analysis and map removal sensitivity analysis are commonly used to assess the influence of parameters in DRASTIC and other index-based model. However, how...
07 April 2022 1,234 3 View
Is there a software that can do this or do I have to calculate it manually?
03 March 2022 7,295 0 View
Instead of doing supervised classification to produce a land use map from satellite images, can I just use an existing land use map (in shapefile format) to predict land use change(Just convert...
11 January 2022 5,764 8 View
I'm currently doing a research on risk assessment of water pollution at watershed scale. Here's an article that applies Bayesian Network in risk assessment of water pollution. A Bayesian...
17 May 2021 5,830 1 View
What are the differences between 1D, 2D and 3D hydrological model in terms of advantage, disadvantage, function, compatibility and hardware requirement?
03 March 2021 6,268 4 View
I'm conducting a research on risk assessment on river basin pollution using GIS. I want to know where can I learn how to use ANN to create a risk map. I've been searching for online courses such...
14 September 2020 1,698 11 View
I'm conducting a research on risk assessment of river basin pollution using GIS. I'm trying to find ways to incorporate socioeconomic variables in the risk assessment. Are there any socioeconomic...
19 August 2020 5,912 6 View
I'm currently working on risk assessment of river basin to water pollution using GIS. However, I only find few previous studies(less than 10) that conducted surface water risk assessment via GIS....
28 June 2020 4,286 7 View
I've read numerous papers about socioeconomic vulnerability assessment and I found out that most of the papers focused on natural hazards and disease(such as COVID-19 pandemic). I can't find...
01 January 1970 4,174 8 View