Exemple #1
0
    labok = oklabels == reg
    cosa = np.mean(prec_anoms[labok, ...], axis=0)
    compos['prec'].append(cosa)

    fig = ctl.plot_map_contour(cosa,
                               coords_prec['lat'],
                               coords_prec['lon'],
                               title='Prec anom - regime {}'.format(reg),
                               plot_margins=(-120, 120, 20, 90),
                               cbar_range=(-5, 5),
                               cmap='RdBu')
    allfigs.append(fig)

# Calculate and visualize composites. FILTER ON EVENT DURATION > 5 days
rsd_tim, rsd_dat, rsd_num = ctl.calc_regime_residtimes(
    results_ref['labels'], dates=results_ref['dates'])
days_event, length_event = ctl.calc_days_event(results_ref['labels'], rsd_tim,
                                               rsd_num)
okleneve, _ = ctl.sel_time_range(length_event,
                                 results_ref['dates'],
                                 dates_range=(dateprec[0], dateprec[-1]))

compos['temp_filt'] = []
compos['prec_filt'] = []
for reg in range(kwar['numclus']):
    labok = (results_ref['labels'] == reg) & (length_event > 5)
    cosa = np.mean(temp_anoms[labok, ...], axis=0)
    compos['temp_filt'].append(cosa)

    fig = ctl.plot_map_contour(
        cosa,
Exemple #2
0
        for reg in range(numclus):
            alltimes = np.concatenate([results_hist[mem]['resid_times'][reg] for mem in allmems])
            residtimes[('hist', mod, 'mean', reg)] = np.mean(alltimes)
            residtimes[('hist', mod, 'p90', reg)] = np.percentile(alltimes, 90)
            num_event[('hist', mod, reg)] = freqs[(ssp, mod, 'tot50')][reg]/residtimes[(ssp, mod, 'mean', reg)]

        alllabs_20 = []
        alltimes_20 = []
        for mem in allmems:
            dat1 = pd.Timestamp('09-01-1995').to_pydatetime()
            dat2 = pd.Timestamp('04-01-2014').to_pydatetime()
            labs, dats = ctl.sel_time_range(results_hist[mem]['labels'], results_hist[mem]['dates'], (dat1, dat2))
            alllabs_20.append(labs)
            print(mem, len(labs))

            restim, _, _ = ctl.calc_regime_residtimes(labs, dats)
            alltimes_20.append(restim)

        alllabs_20 = np.concatenate(alllabs_20)
        alltimes_20 = [np.concatenate([cos[reg] for cos in alltimes_20]) for reg in range(numclus)]
        for reg in range(numclus):
            residtimes[('hist', mod, 'mean_last20', reg)] = np.mean(alltimes_20[reg])
            residtimes[('hist', mod, 'p90_last20', reg)] = np.percentile(alltimes_20[reg], 90)

        freqs[('hist', mod, 'last20')] = ctl.calc_clus_freq(alllabs_20, numclus)

        for reg in range(numclus):
            patterns_refEOF[('centroids', mod, reg)] = np.mean([res_hist_refEOF[mem]['centroids'][reg] for mem in allmems], axis = 0)
            patterns_refEOF[('patcor', mod, reg)] = np.mean([res_hist_refEOF[mem]['patcor'][reg] for mem in allmems])
            patterns_refEOF[('centdist', mod, reg)] = np.mean([ctl.distance(res_hist_refEOF[mem]['centroids'][reg], results_ref['centroids'][reg]) for mem in allmems])
Exemple #3
0
            varopt = ctl.calc_varopt_molt(pcs, centroids, labels)
            autocorr = ctl.calc_autocorr_wlag(pcs, dates, out_lag1=True)
            bootstraps['significance'].append(sig)
            bootstraps['varopt'].append(varopt)
            bootstraps['autocorr'].append(autocorr)

            bootstraps['freq'].append(ctl.calc_clus_freq(labels, 4))

            centdist = np.array([
                ctl.distance(centroids[iclu], ref_cen[iclu])
                for iclu in range(4)
            ])
            bootstraps['dist_cen'].append(centdist)
            bootstraps['centroids'].append(centroids)

            resid_times = ctl.calc_regime_residtimes(labels, dates=dates)[0]
            av_res = np.array([np.mean(resid_times[reg]) for reg in range(4)])
            av_res_90 = np.array(
                [np.percentile(resid_times[reg], 90) for reg in range(4)])
            bootstraps['resid_times_av'].append(av_res)
            bootstraps['resid_times_90'].append(av_res_90)

            bootstraps['trans_matrix'].append(
                ctl.calc_regime_transmatrix(1, labels, dates))

            # relative entropy, RMS, patcor
            relent_all = []
            for reg in range(4):
                okclu = labels == reg
                okpc = pcs[okclu, :]
                for comp in range(4):
Exemple #4
0
                seas10 = ctl.running_mean(seasfr[reg, :], yr10)
                m, c, err_m, err_c = ctl.linear_regre_witherr(np.array(yr[~np.isnan(seas10)]), np.array(seas10[~np.isnan(seas10)]))
                trend_ssp[(ssp, mem, 'trend', 'freq10', reg)] = m
                trend_ssp[(ssp, mem, 'errtrend', 'freq10', reg)] = err_m

            # devo fare ogni dieci anni e selezionare
            restimem = dict()
            for reg in range(4):
                restimem[reg] = []

            for ye in np.arange(2015, 2091, 5):
                dat1 = pd.Timestamp('09-01-{}'.format(ye)).to_pydatetime()
                dat2 = pd.Timestamp('04-01-{}'.format(ye+10)).to_pydatetime()
                labs, dats = ctl.sel_time_range(results_ssp[ssp][mem]['labels'], results_ssp[ssp][mem]['dates'], (dat1, dat2))

                resti, _, _ = ctl.calc_regime_residtimes(labs, dats)
                for reg in range(4):
                    restimem[reg].append(np.mean(resti[reg]))

            for reg in range(4):
                m, c, err_m, err_c = ctl.linear_regre_witherr(np.arange(2015, 2091, 5), np.array(restimem[reg]))
                residtime_ssp[(ssp, mem, 'trend', reg)] = m
                residtime_ssp[(ssp, mem, 'errtrend', reg)] = err_m


    for ssp in allssps:
        for reg in range(4):
            trend_ssp[(ssp, 'all', 'trend', 'seafreq', reg)] = np.array([trend_ssp[(ssp, mem, 'trend', 'seafreq', reg)] for mem in okmods_ssp])
            trend_ssp[(ssp, 'all', 'errtrend', 'seafreq', reg)] = np.array([trend_ssp[(ssp, mem, 'errtrend', 'seafreq', reg)] for mem in okmods_ssp])
            trend_ssp[(ssp, 'all', 'trend', 'freq10', reg)] = np.array([trend_ssp[(ssp, mem, 'trend', 'freq10', reg)] for mem in okmods_ssp])
            trend_ssp[(ssp, 'all', 'errtrend', 'freq10', reg)] = np.array([trend_ssp[(ssp, mem, 'errtrend', 'freq10', reg)] for mem in okmods_ssp])
Exemple #5
0
        stoc_dists =  np.concatenate([results[('lcs{}'.format(i), 'EAT', ran)]['dist_centroid'] for i in range(3)])

        freq[('base', area, ran)] = ctl.calc_clus_freq(base_labels)
        freq[('stoc', area, ran)] = ctl.calc_clus_freq(stoc_labels)

        greylabs = base_dists > thres[area]
        gigi = base_labels
        gigi[greylabs] = np.max(base_labels)+1
        freq[('base', area, ran, 'filt80')] = ctl.calc_clus_freq(gigi)

        greylabs = stoc_dists > thres[area]
        gigi = stoc_labels
        gigi[greylabs] = np.max(stoc_labels)+1
        freq[('stoc', area, ran, 'filt80')] = ctl.calc_clus_freq(gigi)

        rs_base, dates_init_b = ctl.calc_regime_residtimes(base_labels, dates = dates_long)
        resid_times[('base', area, ran)] = rs_base
        rs_stoc, dates_init_s = ctl.calc_regime_residtimes(stoc_labels, dates = dates_long)
        resid_times[('stoc', area, ran)] = rs_stoc

cartper = cart + 'resid_times/'
for area in ['EAT', 'PNA']:
    binzzz = np.arange(0,36,5)
    for clu, clunam in enumerate(patnames[area]):
        ran = histran
        pts = patnames_short[area][clu]
        fig = plt.figure()
        plt.title(clunam)
        n, bins, patches = plt.hist(resid_times[('base', area, ran)][clu], bins = binzzz, alpha = 0.5, density = True, label = 'base')
        n2, bins2, patches2 = plt.hist(resid_times[('stoc', area, ran)][clu], bins = binzzz, alpha = 0.5, density = True, label = 'stoc')
        plt.legend()
Exemple #6
0
import climtools_lib as ctl
import pandas as pd
import numpy as np
from numpy import linalg as LA
from matplotlib import pyplot as plt
import pickle

cart = '/home/fabiano/Research/lavori/WP2_deliverable_Oct2018/Results_WP2/regime_indices/'
indxfi = 'regime_indices_ECE_LR.txt'

labels = np.loadtxt(cart + indxfi)
var, level, lat, lon, dates, time_units, var_units, time_cal = ctl.read4Dncfield(
    '/data-hobbes/fabiano/PRIMAVERA_Stream1_Z500remap/zg500_Aday_EC-Earth3_T255_regrid25_1979-2014.nc',
    extract_level=50000.)

resid_times, dates_init = ctl.calc_regime_residtimes(labels, dates=dates)
resid_times_noskip, dt = ctl.calc_regime_residtimes(labels,
                                                    dates=dates,
                                                    skip_singleday_pause=False)

plt.ion()
patnames = ['NAO +', 'Blocking', 'NAO -', 'Atl. Ridge']
patnames_short = ['NP', 'BL', 'NN', 'AR']
binzzz = np.arange(0, 37, 2)
for clu, clunam in zip(list(range(4)), patnames):
    pts = patnames_short[clu]
    fig = plt.figure()
    plt.title(clunam)
    n, bins, patches = plt.hist(resid_times[clu],
                                bins=binzzz,
                                alpha=0.5,