Useful info: Open topography
Open Topography for high-resolution topography data and tools https://opentopography.org/
Tool
Gfs example
Small amplitude solitary wave interacting with a parabolic hump Link
Masking out a variable below a particular value using Grads
How to mask out a certain region below a particular water depth or above a particular elevation with GEBCO_2019.nc dataset. GEBCO_2019.nc is a global topographic and bathymetric chart with 15 arc-sec resolution which can be obtained from https://www.gebco.net/ Below is…
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Gerris in parallel run
Example of single run of Gerris $ gerris3D -m tides.gfs | gfsview3D tides.gfv In parallel run $ gerris3D -m -s 1 tides.gfs > tidess.gfs $ gerris3D -b 4 tidess.gfs > tidesb.gfs $ mpirun -np 4 gerris3D tidesb.gfs
Tips for Gfs tide modelling
plot_bathy.sh for checking the bathymetry input #!/bin/sh infn=bathymetry # xyz file psfn=bathy region=156.75/210/-65/-23.75/-9500/5 gmt psxyz $infn -JQ180/15 -JZ5c -Bx5+llong -By5+llat -Bz2500+lbathymetry -B+t”3D bathymetry” -R$region -Sc0.025 -Ggray -p135/70 -W -P -V > $psfn.eps gs $psfn.eps plot_tide.sh for checking the M2 tide…
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How to setup a Gerris server
In this setup example, we used the Ubuntu 18.04 (Bionic Beaver) OS system on a dedicated workstation. Using the pre-built package In Ubuntu 18.04 system, type the followings: $ sudo apt install gerris But, the pre-built package does not include…
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How to compile FVCOM4.3 (mpi mode)
This is a technical note on how to build and execute FVCOM 4.3 in parallel mode using Intel compilers on CHESS lab HPC at Hiroshima University. Suppose the source code exists in fvcom43/FVCOM_source, and fvcom43/Examples/Estuary is a selected test case. Preparation for METIS…
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How to compile FVCOM4.3 (Series mode)
This is a technical note on how to build and execute FVCOM 4.3 in series mode using Intel compilers on CHESS lab HPC at Hiroshima University. Suppose the source code exists in fvcom43/FVCOM_source, and fvcom43/Examples/River plume is a selected test case. Check line…
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Prediction of land use and land cover changes using ANN-based cellular automata
Land use land cover change (LULC) is important variables in species distribution modeling (SDM). The changes of LULC represented the anthropogenic that show human intervention in the distribution of species in the certain area. The objective of this video is…
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Flood Hazard and Risk Assessment using Maximum Entropy Model
This is a video presentation on how to make flood-prone areas using maximum entropy model. This is a raw video and not yet edited. Video 1: https://youtu.be/5qRKqEHh_OI Video 2: https://youtu.be/jxpUv9pEpWk For the complete datasets, kindly email the author.