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import numpy as np
from autosubmit.config.log import Log
from earthdiagnostics.constants import Models
from earthdiagnostics.diagnostic import Diagnostic
from earthdiagnostics.utils import Utils, TempFile
class Gyres(Diagnostic):
"""
Compute the intensity of the subtropical and subpolar gyres
:original author: Virginie Guemas <virginie.guemas@bsc.es>
:contributor: Javier Vegas-Regidor<javier.vegas@bsc.es>
:created: October 2013
:last modified: June 2016
:param data_manager: data management object
:type data_manager: DataManager
:param startdate: startdate
:type startdate: str
:param member: member number
:type member: int
:param chunk: chunk's number
:type chunk: int
:param nemo_version: NEMO's version
:type nemo_version: str
def __init__(self, data_manager, startdate, member, chunk, nemo_version):
Diagnostic.__init__(self, data_manager)
self.startdate = startdate
self.member = member
self.chunk = chunk
self.nemo_version = nemo_version
self.required_vars = ['vsftbarot']
self.generated_vars = ['gyres']
def __str__(self):
return 'Gyres Startdate: {0} Member: {1} Chunk: {2} '.format(self.startdate, self.member,
self.chunk)
@classmethod
def generate_jobs(cls, diags, options):
"""
Creates a job for each chunk to compute the diagnostic
:param diags: Diagnostics manager class
:type diags: Diags
:param options: None
:return:
"""
if len(options) > 1:
raise Exception('The gyres diagnostic has no options')
Javier Vegas-Regidor
committed
for startdate, member, chunk in diags.exp_manager.get_chunk_list():
job_list.append(Gyres(diags.data_manager, startdate, member, chunk, diags.nemo_version))
return job_list
# noinspection PyPep8Naming
def compute(self):
if self.nemo_version in [Models.ECEARTH_2_3_O1L42, Models.ECEARTH_3_0_O1L46,
Models.NEMO_3_2_O1L42, Models.NEMO_3_3_O1L46,
Models.NEMOVAR_O1L42]:
subpolNAtl = [230, 275, 215, 245]
subpolNPac = [70, 145, 195, 235]
subtropNPac = [45, 175, 165, 220]
subtropNAtl = [195, 275, 175, 225]
subtropSPac = [70, 205, 120, 145]
subtropSAtl = [235, 300, 120, 145]
subtropInd = [320, 30, 110, 180]
ACC = [1, 361, 1, 65]
elif self in [Models.ECEARTH_3_0_O25L46, Models.ECEARTH_3_0_O25L75,
Models.GLORYS2_V1_O25L75]:
raise Exception("Option gyres not available yet for {0}".format(self.nemo_version))
else:
raise Exception("Input grid {0} not recognized".format(self.nemo_version))
output = TempFile.get()
vsftbarot_file = self.data_manager.get_file('ocean', 'vsftbarot', self.startdate, self.member, self.chunk)
handler_original = Utils.openCdf(vsftbarot_file)
self.var_vsftbarot = handler_original.variables['vsftbarot']
handler = Utils.openCdf(output, 'w')
handler.createDimension('time', handler_original.variables['time'].shape[0])
handler.createDimension('region', 8)
Utils.copy_variable(handler_original, handler, 'time')
var_region = handler.createVariable('region', str, 'region')
var_gyre = handler.createVariable('gyre', 'f', ('time', 'region'), fill_value=0.0)
var_gyre.valid_max = 2e8
var_gyre.valid_min = 0.0
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var_gyre.short_name = 'gyre'
var_gyre.long_name = 'gyre'
var_gyre.units = 'm^3/s'
var_region[0] = 'subpolNAtl'
var_gyre[:, 0] = self._gyre(subpolNAtl, True)
Log.debug('subpolNAtl: {0}', var_gyre[:, 0])
var_region[1] = 'subpolNPac'
var_gyre[:, 1] = self._gyre(subpolNPac, True)
Log.debug('subpolNPac: {0}', var_gyre[:, 1])
var_region[2] = 'subtropNPac'
var_gyre[:, 2] = self._gyre(subtropNPac)
Log.debug('subtropNPac: {0}', var_gyre[:, 2])
var_region[3] = 'subtropSPac'
var_gyre[:, 3] = self._gyre(subtropSPac)
Log.debug('subtropSPac: {0}', var_gyre[:, 3])
var_region[4] = 'subtropNAtl'
var_gyre[:, 4] = self._gyre(subtropNAtl)
Log.debug('subtropNAtl: {0}', var_gyre[:, 4])
var_region[5] = 'subtropSAtl'
var_gyre[:, 5] = self._gyre(subtropSAtl)
Log.debug('subtropSAtl: {0}', var_gyre[:, 5])
var_region[6] = 'subtropInd'
var_gyre[:, 6] = self._gyre(subtropInd)
Log.debug('subtropInd: {0}', var_gyre[:, 6])
var_region[7] = 'ACC'
var_gyre[:, 7] = self._gyre(ACC)
Log.debug('ACC: {0}', var_gyre[:, 7])
handler.close()
handler_original.close()
self.data_manager.send_file(output, 'ocean', 'gyre', self.startdate, self.member, self.chunk)
Log.info('Finished gyres for startdate {0}, member {1}, chunk {2}', self.startdate, self.member, self.chunk)
def _gyre(self, site, invert=False):
if invert:
return np.min(self._extract_section(site), (1, 2)) * -1
else:
return np.max(self._extract_section(site), (1, 2))
def _extract_section(self, site):
if site[2] <= site[3]:
if site[0] <= site[1]:
return self.var_vsftbarot[:, site[2] - 1:site[3] - 1, site[0] - 1:site[1] - 1]
else:
return np.concatenate((self.var_vsftbarot[:, site[2] - 1:site[3] - 1, site[0]-1:],
self.var_vsftbarot[:, site[2] - 1:site[3] - 1, :site[1] - 1]), axis=2)
else:
if site[0] <= site[1]:
return np.concatenate((self.var_vsftbarot[:, site[2] - 1:, site[0] - 1: site[1] - 1],
self.var_vsftbarot[:, :site[3] - 1, site[0] - 1: site[1] - 1]), axis=1)
else:
temp = np.concatenate((self.var_vsftbarot[:, site[2] - 1:, :],
self.var_vsftbarot[:, :site[3] - 1, :]), axis=1)
return np.concatenate((temp[:, :, site[0] - 1:],
temp[:, :, :site[1] - 1]), axis=2)