示例#1
0
    def climatology_shgt_slat(self, selhgt, sellat, time_mean):

        shgt = np.where(self.dimdict['hgt'] >= selhgt)[0][0]
        slat = np.where(self.dimdict['lat'] >= sellat)[0][0]

        # select variable at height and latitude
        var = self.var[:, shgt, slat]

        # climatological monthly mean
        var_tsub, nsubyrs = basic_functions.time_subset(
            var, self.time0, self.tim1, self.tim2)
        var_seas = basic_functions.seasonal_mean(var_tsub, nsubyrs, time_mean)
        var_clim_seas = var_seas.mean()
        print var_clim_seas.shape

        return var_clim_seas
示例#2
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    def climatology_lon_lat(self, time_mean):

        # seasonal mean then average over climatological time period
        clim_var = np.zeros(
            [len(self.dimdict['lat']),
             len(self.dimdict['lon'])])
        for ilat in range(len(self.dimdict['lat'])):
            for ilon in range(len(self.dimdict['lon'])):
                var_tsub, nsubyrs = basic_functions.time_subset(
                    self.var[:, ilat, ilon], self.time0, self.tim1, self.tim2)
                var_seas = basic_functions.seasonal_mean(
                    var_tsub, nsubyrs, time_mean)
                var_clim_seas = np.mean(var_seas, axis=0)
                clim_var[ilat, ilon] = var_clim_seas

        return clim_var
示例#3
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    def climatology_polar_hgt_mon(self):

        # polar cap mean (70-90N)
        var_amean = np.zeros(
            [len(self.dimdict['tim']),
             len(self.dimdict['hgt'])])
        for itim in range(len(self.dimdict['tim'])):
            for ihgt in range(len(self.dimdict['hgt'])):
                var_amean[itim, ihgt] = basic_functions.latitude_mean(
                    self.var[itim, ihgt, :], self.dimdict['lat'], 70, 90)

        # climatological monthly mean
        clim_var = np.zeros([12, len(self.dimdict['hgt'])])
        for ihgt in range(len(self.dimdict['hgt'])):
            var_tsub, nsubyrs = basic_functions.time_subset(
                var_amean[:, ihgt], self.time0, self.tim1, self.tim2)
            var_seas = basic_functions.seasonal_mean(var_tsub, nsubyrs,
                                                     'clim_monthly')
            clim_var[:, ihgt] = var_seas

        return clim_var