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Python wrapper for the NOAA Environmental Modeling System

Project description

NEMSpy

Python wrapper for the NOAA Environmental Modeling System

tests build

This repository implements the National Unified Operational Prediction Capability (NUOPC).

Usage:

from datetime import timedelta

from nemspy import ModelingSystem
from nemspy.model import ADCIRC, AtmosphericMesh, NationalWaterModel, WaveMesh

interval = timedelta(hours=1)
ocean_model = ADCIRC(300)
wave_mesh = WaveMesh()
atmospheric_mesh = AtmosphericMesh()
hydrological_model = NationalWaterModel(769)

nems = ModelingSystem(interval, ocean=ocean_model, wave=wave_mesh, atmospheric=atmospheric_mesh, hydrological=hydrological_model)
nems.connect('atmospheric', 'ocean')
nems.connect('wave', 'ocean')
nems.connect('atmospheric', 'hydrological')
nems.connect('wave', 'hydrological')
nems.connect('ocean', 'hydrological')

nems.write('nems.configure')

the resulting nems.configure file looks like this:

#############################################
####  NEMS Run-Time Configuration File  #####
#############################################

# EARTH #
EARTH_component_list: ATM WAV OCN HYD
EARTH_attributes::
  Verbosity = min
::

# ATM #
ATM_model:                      atmesh
ATM_petlist_bounds:             0 0
ATM_attributes::
  Verbosity = min
::

# WAV #
WAV_model:                      ww3data
WAV_petlist_bounds:             1 1
WAV_attributes::
  Verbosity = min
::

# OCN #
OCN_model:                      adcirc
OCN_petlist_bounds:             2 12
OCN_attributes::
  Verbosity = min
::

# HYD #
HYD_model:                      nwm
HYD_petlist_bounds:             13 781
HYD_attributes::
  Verbosity = min
::

# Run Sequence #
runSeq::
  @3600
    ATM -> OCN   :remapMethod=redist
    WAV -> OCN   :remapMethod=redist
    ATM -> HYD   :remapMethod=redist
    WAV -> HYD   :remapMethod=redist
    OCN -> HYD   :remapMethod=redist
    ATM
    WAV
    OCN
    HYD
  @
::

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