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Added N2, O2, and Argon calculated concentrations to the WACCM initial conditions #266

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Oct 15, 2024
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Added N2, O2, and Argon calculated concentrations to the WACCM initial conditions #266

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b3f3aff
Added pararms for writing CSV and JSON diagnostic output. Include [un…
Oct 14, 2024
f72653a
Added N2, O2, and Argon caculated for WACCM temperature and pressure.
Oct 15, 2024
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34 changes: 28 additions & 6 deletions src/acom_music_box/tools/waccmToMusicBox.py
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,17 @@ def readWACCM(waccmMusicaDict, latitude, longitude,
return (musicaDict)


# Add molecular Nitrogen, Oxygen, and Argon to dictionary.
# varValues = already read from WACCM, contains (name, concentration, units)
# return varValues with N2, O2, and Ar added
def addStandardGases(varValues):
varValues["N2"] = ("N2", 0.78084, "mol/mol") # standard fraction by volume
varValues["O2"] = ("O2", 0.20946, "mol/mol")
varValues["Ar"] = ("Ar", 0.00934, "mol/mol")

return(varValues)


# set up indexes for the tuple
musicaIndex = 0
valueIndex = 1
Expand All @@ -228,8 +239,6 @@ def readWACCM(waccmMusicaDict, latitude, longitude,
# Perform any numeric conversion needed.
# varDict = originally read from WACCM, tuples are (musicaName, value, units)
# return varDict with values modified


def convertWaccm(varDict):
# from the supporting documents
# https://agupubs.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1029%2F2019MS001882&file=jame21103-sup-0001-2019MS001882+Text_SI-S01.pdf
Expand Down Expand Up @@ -268,7 +277,7 @@ def writeInitCSV(initValues, filename):
else:
fp.write(",")

fp.write(key)
fp.write("{} [{}]".format(key, value[unitIndex]))
fp.write("\n")

# write the variable values
Expand Down Expand Up @@ -404,9 +413,19 @@ def main():
if ("longitude" in myArgs):
lon = safeFloat(myArgs.get("longitude"))

# get the requested (diagnostic) output
outputCSV = False
outputJSON = False
if ("output" in myArgs):
# parameter is like: output=CSV,JSON
outputFormats = myArgs.get("output").split(",")
outputFormats = [lowFormat.lower() for lowFormat in outputFormats]
outputCSV = "csv" in outputFormats
outputJSON = "json" in outputFormats

# locate the WACCM output file
when = datetime.datetime.strptime(
f"{dateStr} {timeStr}", "%Y%m%d %H:%M")

waccmFilename = f"f.e22.beta02.FWSD.f09_f09_mg17.cesm2_2_beta02.forecast.001.cam.h3.{when.year:4d}-{when.month:02d}-{when.day:02}-00000.nc"

# read and glean chemical species from WACCM and MUSICA
Expand All @@ -425,16 +444,19 @@ def main():
lat, lon, when, waccmDir, waccmFilename)
logger.info(f"Original WACCM varValues = {varValues}")

# add molecular Nitrogen, Oxygen, and Argon
varValues = addStandardGases(varValues)

# Perform any conversions needed, or derive variables.
varValues = convertWaccm(varValues)
logger.info(f"Converted WACCM varValues = {varValues}")

if (False):
if (outputCSV):
# Write CSV file for MusicBox initial conditions.
csvName = os.path.join(musicaDir, "initial_conditions.csv")
writeInitCSV(varValues, csvName)

if (False):
if (outputJSON):
# Write JSON file for MusicBox initial conditions.
jsonName = os.path.join(musicaDir, "initial_config.json")
writeInitJSON(varValues, jsonName)
Expand Down