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Questions tagged [numerical-modelling]

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76 questions
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I need to know how environmental damage is measured in general. The unit I have seen is recovery time, but this seems inadequate, e.g., when a species goes extinct, the recovery time is infinite. The ...
Phil Freedenberg's user avatar
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All, As Laplacian could be computed using finite difference techniques (e.g., second derivative or first derivative of the first derivative ) or spectral methods, It will be helpful to mention the ...
Kernel's user avatar
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I'm confused with the GFS model data products, presented at NCEP Products Inventory website. There are two types of products for analysis: ANL ("**.anl") and FH000 ("*.f000"). As ...
Outlaw's user avatar
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1 answer
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I am trying to investigate the likelihood of a fire occuring in the Amazon rainforest based on environmental variables, including ERA5Land data such as temperature, wind speed and relative humidity (...
Universal Property's user avatar
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I am wondering about the gravity wave (as well as the acoustic wave) calculation in atmospheric model. I know that the non-hydrostatic model should take the internal gravity wave and acoustic wave ...
Floris Chen's user avatar
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I keep hearing that the models used for global ocean simulations are not actually dissipative, even though they clearly have dissipative terms and we couldn't solve them if they didn't (here, "...
mathishard.butweloveit's user avatar
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3 votes
1 answer
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Is it always mandatory to perform a bias correction when working with CMIP6 climate projections? I am working with multiple climate projections from CMPI6 and I'm not sure if this step is necessary, ...
Pedro Alencar's user avatar
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2 votes
1 answer
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I am working to create Energy Plus Weather (EPW) Actual Meteorological Year (AMY) files from NOAA HRRR Model analysis. The provided links detail the 35 parameters required for the AMY model and ...
J Edward Hammond's user avatar
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4 votes
1 answer
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I have WRF data on isobaric levels that unfortunately does not contain a z-wind or omega field within the output, and I would like to produce some estimate as to the magnitude of synoptic-scale ...
Brendan Wallace's user avatar
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I'm trying to recreate the graphs in Figure 6.2 from this source (page 88). They get these plots by using the following solutions for velocity and temperature (both obtained from solving the basic ...
k12345's user avatar
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I have a small inquiry about the setup of some variables in 'namelist.input' file for running WRF-Chem to study aerosol-cloud-climate interaction. After going through various research papers on ...
Ankan's user avatar
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One of the fundamental principles in fluid mechanics is the conservation of mass - how is this treated in integrated surface water | groundwater models such as MIKE models, say between two river cross-...
moinabyssinia's user avatar
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There is no descriptive content on the interneton what Priessman slots are and how they can be used in numerical modeling. What is the benefit of that especially in hydraulic modeling?
moinabyssinia's user avatar
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There are four 'Lateral inflow' related variables coming out from the .res1d file Lateral inflow SHE overland Lateral inflow SHE saturated zone Lateral inflow SHE overland drain Lateral inflow SHE ...
moinabyssinia's user avatar
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All, The static stability of the atmosphere is defined as: $\sigma =-\dfrac{T}{\theta} \dfrac{d\theta}{dp}= \dfrac{dT}{dp}-\dfrac{R}{c_p} \dfrac{T}{p}$ where: $T$ is temperature, $P$ is pressure, $R$ ...
Kernel's user avatar
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