getAwPfromBathy

Compute Area A(h), width w(h) and wet perimeter P(h) from a bathymetry profile (a,z).

An interface to the 'BaM' (Bayesian Modeling) engine,
a 'Fortran'-based executable aimed at estimating a model
with a Bayesian approach and using it for prediction,
with a particular focus on uncertainty quantification.
Classes are defined for the various building blocks of
'BaM' inference (model, data, error models, Markov Chain Monte Carlo (MCMC) samplers, predictions).
The typical usage is as follows:
(1) specify the model to be estimated;
(2) specify the inference setting (dataset, parameters, error models...);
(3) perform Bayesian-MCMC inference;
(4) read, analyse and use MCMC samples;
(5) perform prediction experiments.
Technical details are available (in French) in
Renard (2017) <https://hal.science/hal-02606929v1>.
Examples of applications include
Mansanarez et al. (2019) <doi:10.1029/2018WR023389>,
Le Coz et al. (2021) <doi:10.1002/hyp.14169>,
Perret et al. (2021) <doi:10.1029/2020WR027745>,
Darienzo et al. (2021) <doi:10.1029/2020WR028607> and
Perret et al. (2023) <doi:10.1061/JHEND8.HYENG-13101>.

Benjamin Renard

RBaM

Bayesian Modeling: Estimate a Computer Model and Make Uncertain
Predictions

INRAE 

Ministère de la Transition Ecologique - SCHAPI 

getAwPfromBathy function

<dl><dt>bathy</dt>
<dd>data frame, 2 columns containing abscissa (increasing values) and stage.</dd>
<dt>hgrid</dt>
<dd>numeric vector, grid of h values where A, w and P are computed.
By default 1000 values in the range of bathymetry's z.</dd>
<dt>segmentLength</dt>
<dd>numeric, segment length for bathymetry subsampling.
By default 1/1000 of the total bathymetry's perimeter.</dd></dl>

Arguments

Bathymetry interpreter — getAwPfromBathy

<dl>

<dt>bathy</dt>
<dd>data frame, 2 columns containing abscissa (increasing values) and stage.</dd>


<dt>hgrid</dt>
<dd>numeric vector, grid of h values where A, w and P are computed.
By default 1000 values in the range of bathymetry's z.</dd>


<dt>segmentLength</dt>
<dd>numeric, segment length for bathymetry subsampling.
By default 1/1000 of the total bathymetry's perimeter.</dd>

</dl>

getAwPfromBathy: Bathymetry interpreter

Description

Usage

Value

Arguments

Examples