Delta_SL.cc

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// Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2021, 2023, 2025 PISM Authors
//
// This file is part of PISM.
//
// PISM is free software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the Free Software
// Foundation; either version 3 of the License, or (at your option) any later
// version.
//
// PISM is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
// details.
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// You should have received a copy of the GNU General Public License
// along with PISM; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
#include "pism/coupler/ocean/sea_level/Delta_SL.hh"
#include "pism/util/ScalarForcing.hh"
#include "pism/util/Logger.hh"
 
namespace pism {
namespace ocean {
namespace sea_level {
 
Delta_SL::Delta_SL(std::shared_ptr<const Grid> grid, std::shared_ptr<SeaLevel> in)
  : SeaLevel(grid, in) {
 
  m_forcing.reset(new ScalarForcing(*grid->ctx(),
                                    "ocean.delta_sl", "delta_SL",
                                    "m", "m",
                                    "sea level elevation offsets"));
}
 
Delta_SL::~Delta_SL() {
  // empty
}
 
void Delta_SL::init_impl(const Geometry &geometry) {
 
  m_input_model->init(geometry);
 
  m_log->message(2, "* Initializing scalar sea level forcing...\n");
}
 
void Delta_SL::update_impl(const Geometry &geometry, double t, double dt) {
  m_input_model->update(geometry, t, dt);
 
  m_sea_level.copy_from(m_input_model->elevation());
  m_sea_level.shift(m_forcing->value(t + 0.5 * dt));
}
 
} // end of namespace sea_level
} // end of namespace ocean
} // end of namespace pism