Ejemplo n.º 1
0
 def plot_isobaths(self, ax, lims):
     topo = sp.loadmat('/home/rsoutelino/misc/etopo/etopo1_atlsul.mat')
     xb, yb, zb = topo['lon'], topo['lat'], topo['topo']
     xb, yb = np.meshgrid(xb, yb)
     xb, yb, zb = romslab.subset(xb, yb, zb, lims)
     cs = ax.contour(xb, yb, -zb, [100, 200, 1000], colors='k', alpha=0.7)
     plt.clabel(cs, fmt='%i')
Ejemplo n.º 2
0
        ax2 = fig.add_axes(logo_position)
        logofile = Image.open('logo-left.png')
        logo = np.asarray(logofile)
        im = plt.imshow(logo)
        ax2.set_axis_off()

################################################################################
xmin, xmax, ymin, ymax = -44, -40.5, -25, -22
lims = (xmin, xmax, ymin, ymax)
m = Basemap(projection='cyl',llcrnrlat=ymin,urcrnrlat=ymax,
             llcrnrlon=xmin,urcrnrlon=xmax,lat_ts=0,resolution='h')

topo = sp.loadmat('/home/rsoutelino/misc/etopo/etopo1_atlsul.mat')
xb, yb, zb = topo['lon'], topo['lat'], topo['topo']
xb, yb = np.meshgrid(xb, yb)
xb, yb, zb = subset(xb, yb, zb, xmin, xmax, ymin, ymax)

filename = 'mosaico_20120919.mat'
data = sp.loadmat(filename)
lon, lat, sst = data['lon'], data['lat'], data['sst']
sst = mask_nans(sst, missing_value=18)
f = np.where(sst < 0)
sst[f] = 18
lon, lat, sst = refine(lon, lat, sst, lims, res=0.02)

base = -42.097463607788086, -22.817603940087874 
outA = -42.296874999999993, -24.568749999999998
outB = -42.66718749999999, -24.245312499999997
inA  = -42.146874999999994, -23.237499999999997
inB  = -42.254687499999996, -23.209374999999994
eddy = np.loadtxt('eddy.txt')
Ejemplo n.º 3
0
p1.text(ax, ay, "Mar 2005", ha="center", va="center", size=10,bbox=bbox_props)
ax,ay = m(-37.2,-22);
p1.text(ax, ay, "OEII ADCP-derived", ha="center", va="center", size=10,bbox=bbox_props)
bbox_props = dict(boxstyle="round", fc="w", ec="0.5", alpha=0.8)
ax,ay = m(-40.5,-22)
p1.text(ax, ay, "a", ha="center", va="center", size=12,bbox=bbox_props)

######################################################################

# get roms velocity for day 30 of CONTROL run
outname = "/home/rsoutelino/myroms/phd_run/phd15_avg.nc"
roms = romslab.RomsHis(outname)
lims = [-41, -34.5, -20, -12]
U, V = roms.u[30, ...], roms.v[30,...]
zlevs = romslab.get_depths(roms.ncfile, 0, 'temp')
lon, lat, U = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], U, lims)
lon, lat, V = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], V, lims)
lon, lat, zlevs = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], zlevs, lims)
u, v = romslab.get_hslice(50, zlevs, U), romslab.get_hslice(50, zlevs, V)
u, v = mask_nans(u), mask_nans(v)
u, v = np.ma.masked_where(u > 10, u), np.ma.masked_where(v > 10, v)

xgi = xgi[:-10, :]; ygi = ygi[:-10, :];

u = griddata(lon.ravel(), lat.ravel(), u.ravel(), xgi, ygi)
v = griddata(lon.ravel(), lat.ravel(), v.ravel(), xgi, ygi)

p2 = plt.subplot(132)
#m.contourf(xgi,ygi,psiob,scale,linewidth=0,alpha = 0.5);
m.quiver(xgi[::g,::g], ygi[::g,::g], u[::g,::g]*s, v[::g,::g]*s, scale=10);
m.contourf(xb,yb,zb,colors=('0.9'),linewidth=0);
Ejemplo n.º 4
0
        va="center",
        size=10,
        bbox=bbox_props)
bbox_props = dict(boxstyle="round", fc="w", ec="0.5", alpha=0.8)
ax, ay = m(-40.5, -22)
p1.text(ax, ay, "a", ha="center", va="center", size=12, bbox=bbox_props)

######################################################################

# get roms velocity for day 30 of CONTROL run
outname = "/home/rsoutelino/myroms/phd_run/phd15_avg.nc"
roms = romslab.RomsHis(outname)
lims = [-41, -34.5, -20, -12]
U, V = roms.u[30, ...], roms.v[30, ...]
zlevs = romslab.get_depths(roms.ncfile, 0, 'temp')
lon, lat, U = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], U, lims)
lon, lat, V = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], V, lims)
lon, lat, zlevs = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], zlevs, lims)
u, v = romslab.get_hslice(50, zlevs, U), romslab.get_hslice(50, zlevs, V)
u, v = mask_nans(u), mask_nans(v)
u, v = np.ma.masked_where(u > 10, u), np.ma.masked_where(v > 10, v)

xgi = xgi[:-10, :]
ygi = ygi[:-10, :]

u = griddata(lon.ravel(), lat.ravel(), u.ravel(), xgi, ygi)
v = griddata(lon.ravel(), lat.ravel(), v.ravel(), xgi, ygi)

p2 = plt.subplot(132)
#m.contourf(xgi,ygi,psiob,scale,linewidth=0,alpha = 0.5);
m.quiver(xgi[::g, ::g],
Ejemplo n.º 5
0
lonr = grd.variables['lon_rho'][:]
latr = grd.variables['lat_rho'][:]
latu = grd.variables['lat_u'][:]
latv = grd.variables['lat_v'][:]
lonu = grd.variables['lon_u'][:]
lonv = grd.variables['lon_v'][:]
h = grd.variables['h'][:]

print ' \n' + '==> ' + '  READING CHOSEN ROMS OUTPUT NETCDF FILE ...\n' + ' '
avg = netCDF4.Dataset(roms.rundir + roms.run_name + '_avg.nc')

lm, km, im, jm = avg.variables['temp'].shape

tmp = avg.variables['temp'][0, 0, ...]

lon, lat, tmp = subset(lonr, latr, tmp, lims[0], lims[1], lims[2], lims[3])

# AVG  ===============================================================

zu = get_depths(avg, grd, 0, 'u')
zv = get_depths(avg, grd, 0, 'v')
zt = get_depths(avg, grd, 0, 't')

times = np.arange(1800, lm, 10)
U = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)
V = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)
T = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)

print "\n\n      Slicing %s eddy, at %s m, in AVG.... may take a while.......\n\n" % (
    eddy, zlev)
Ejemplo n.º 6
0
# METEOSAT SST ############################

pathname = "/home/rsoutelino/ieapm/eumetsat/"
pattern = "20120918"
filelist2 = []  # list of total files matching above pattern
imagelist = []
filelist = glob.glob("*.nc")
filelist.sort()

for File in filelist:
    if pattern in File and "grb" not in File:
        print File
        filelist2.append(File)
        msg = MsgSST(pathname + File, File)
        msg.lon, msg.lat, msg.sst = romslab.subset(msg.lon, msg.lat, msg.sst,
                                                   lims2)
        imagelist.append(msg)
        # Broad Area ++++++++++++++++++++++++
        msg.plot_image(m1, np.arange(-90, 10, 10), np.arange(-70, 30, 10), -2,
                       30, [0.6, 0.12, 0.15, 0.15])
        plt.savefig("figures/" + File + ".png")
        plt.close('all')
        # Zoom into Cabo Frio +++++++++++++++
        msg.plot_image(m2, np.arange(-90, 10, 2), np.arange(-70, 30, 2), 16,
                       26, [0.13, 0.62, 0.15, 0.15])
        plt.savefig("figures/zoom_" + File + ".png")
        plt.close('all')

mosaic = Mosaic(imagelist)
mosaic.plot_image(m1, np.arange(-90, 10, 10), np.arange(-70, 30, 10), -2, 30,
                  [0.6, 0.12, 0.15, 0.15])
Ejemplo n.º 7
0
grid = romslab.RomsGrid(gridname)
roms = romslab.RomsHis(outname)

# limits for the Abrolhos, Royal-Charlotte  and Ilheus Eddies
lims = -40, -36, -19.5, -14.0
# lims = -40, -36, -18, -14.0
M = Basemap(projection='cyl',
            llcrnrlon=lims[0],
            urcrnrlon=lims[1],
            llcrnrlat=lims[2],
            urcrnrlat=lims[3],
            lat_ts=0,
            resolution='i')
depths = 0, 400
print "\nComputing run-averaged fields =======================\n\n"
lon, lat, U = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.u, lims)
lon, lat, V = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.v, lims)
lon, lat, T = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.temp, lims)
lon, lat, h = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.h, lims)
UbarS, VbarS, TbarS = U.mean(axis=0), V.mean(axis=0), T.mean(axis=0)

zlevs = romslab.get_depths(roms.ncfile, 30, 'temp')
lon, lat, zlevs = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], zlevs, lims)
Tbar, Ubar, Vbar = [], [], []

for k in depths:
    aux = romslab.get_hslice(k, zlevs, TbarS)
    aux = mask_nans(aux)
    Tbar.append(aux)
    aux = romslab.get_hslice(k, zlevs, UbarS)
    aux = mask_nans(aux)
Ejemplo n.º 8
0
filelist = os.listdir("data")

lims = (-70, 0, -60, 20)
m = Basemap(projection='cyl', llcrnrlon=lims[0], urcrnrlon=lims[1],
                    llcrnrlat=lims[2], urcrnrlat=lims[3], lat_ts=0, resolution='l')

LON, LAT, SST = [], [], []
filelist2 = [] # list of total files matching above pattern
filelist3 = [] # list of files inside desired area  

for File in filelist:
    if pattern in File:
        data = nc.Dataset("data/" + File)
        lon, lat = data.variables['lon'][::5], data.variables['lat'][::5]
        sst = data.variables['sea_surface_temperature'][::5]
        lon, lat, sst = romslab.subset(lon, lat, sst, lims)       
        if lon != None:
            LON.append( list(lon.ravel()) )
            LAT.append( list(lat.ravel()) )
            SST.append( list(sst.ravel()) )
            print File + "  --> OK!"
            filelist2.append(File)
            filelist3.append(File)         
        else:
            print File + "  --> Out of Range!"
            filelist2.append(File)
     
LON = np.array( list(flatten(LON)) )
LAT = np.array( list(flatten(LAT)) )
SST = np.array( list(flatten(SST)) ) - 273.5
Ejemplo n.º 9
0
pathname = "/home/rsoutelino/ieapm/eumetsat/"
pattern = "201401"
filelist2 = [] # list of total files matching above pattern
imagelist = []
filelist = glob.glob("*0000*.nc")



filelist.sort()

for File in filelist:
    print File
    filelist2.append(File)
    msg = MsgSST(pathname + File, File)
    msg.lon, msg.lat, msg.sst = romslab.subset(msg.lon, msg.lat, msg.sst, lims) 
    imagelist.append(msg)  
    logo_position = [0.134, 0.6, 0.2, 0.2]     
    msg.plot_image(m1, np.arange(-90, 10, 2), np.arange(-70, 30, 2),
                   17, 29, logo_position, lims)
    plt.savefig("upwelling_figs/" + File + ".png", dpi=90)
    plt.close('all')
        
mosaic = Mosaic(imagelist)
mosaic.plot_image(m1, np.arange(-90, 10, 2), np.arange(-70, 30, 2), 18, 29,
                  logo_position, lims)
plt.savefig("upwelling_figs/mosaico_%s.png" %mosaic.day, dpi=90)
plt.close('all')

mdict = {'lon':mosaic.lon, 'lat':mosaic.lat, 'sst':mosaic.sst}
sp.savemat('mosaico_%s.mat' %mosaic.day, mdict)
Ejemplo n.º 10
0
# run-averaged ROMS fields ########

gridname = mainpath + "myroms/phd_run/phd15_grd.nc"
outname = mainpath +  "myroms/phd_run/azores_run/phd15_avg-1.nc"
grid = romslab.RomsGrid(gridname)
roms = romslab.RomsHis(outname)

# limits for the Abrolhos, Royal-Charlotte  and Ilheus Eddies
lims = -40, -36, -19.5, -14.0
# lims = -40, -36, -18, -14.0
M = Basemap(projection='cyl', llcrnrlon=lims[0], urcrnrlon=lims[1],
                llcrnrlat=lims[2], urcrnrlat=lims[3], lat_ts=0, resolution='i')
depths = 0, 400
print "\nComputing run-averaged fields =======================\n\n"
lon, lat, U = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.u, lims)
lon, lat, V = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.v, lims)
lon, lat, T = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.temp, lims)
lon, lat, h     = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], roms.h, lims)
UbarS, VbarS, TbarS = U.mean(axis=0), V.mean(axis=0), T.mean(axis=0)

zlevs = romslab.get_depths(roms.ncfile, 30, 'temp')
lon, lat, zlevs = romslab.subset(roms.lon_rho[:], roms.lat_rho[:], zlevs, lims)
Tbar, Ubar, Vbar = [],[],[]

for k in depths:
    aux = romslab.get_hslice(k, zlevs, TbarS)
    aux = mask_nans(aux)
    Tbar.append( aux )
    aux = romslab.get_hslice(k, zlevs, UbarS)
    aux = mask_nans(aux)
Ejemplo n.º 11
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h     = grd.variables['h'][:]

print ' \n' + '==> ' + '  READING CHOSEN ROMS OUTPUT NETCDF FILE ...\n' + ' '
avg1   = netCDF4.Dataset(roms.rundir + roms.run_name + '_avg-1.nc')
avg2   = netCDF4.Dataset(roms.rundir + roms.run_name + '_avg-2.nc')
avg3   = netCDF4.Dataset(roms.rundir + roms.run_name + '_avg-3.nc')

lm1, km, im, jm = avg1.variables['temp'].shape
lm2, km, im, jm = avg2.variables['temp'].shape
lm3, km, im, jm = avg3.variables['temp'].shape



tmp = avg1.variables['temp'][0,0,...]

lon, lat, tmp = subset(lonr, latr, tmp, lims[0], lims[1], lims[2], lims[3])


# AVG1 output ===============================================================

zu = get_depths(avg1, grd, 0, 'u')
zv = get_depths(avg1, grd, 0, 'v')
zt = get_depths(avg1, grd, 0, 't')

times = np.arange(1800, lm1, 10)
U1 = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)
V1 = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)
T1 = np.zeros((times.size, lon.shape[0], lon.shape[1]), dtype=np.float64)


print "\n\n      Slicing %s eddy, at %s m, in AVG-1.... may take a while.......\n\n" %(eddy, zlev)
Ejemplo n.º 12
0
    lon = np.ma.masked_where(lat > -12.5, lon)
    lat = np.ma.masked_where(lat > -12.5, lat)
####################################################################

leste1, leste2, proab = Leste1(), Leste2(), ProAbro()

for dataset in [leste1, leste2, proab]:
    dataset.mlon, dataset.mlat = m(dataset.lon, dataset.lat)

print " "
print "Loading etopo data ....... " 
etopo = sp.loadmat('/home/rsoutelino/prod/grl_msc/proc/etopo2_atlsul.mat')
xb = etopo.pop('xb')
yb = etopo.pop('yb')
zb = etopo.pop('zb')
xb, yb, zb = romslab.subset(xb, yb, zb, lims[0], lims[1], lims[2], lims[3])
xb,yb = m(xb,yb)


fig1 = plt.figure(1,figsize=(15, 8),facecolor='w')

gs =gridspec.GridSpec(1, 3)

p1 = plt.subplot(gs[0, 0])
m.contourf(xb, yb, zb, np.arange(-5000, 0, 500), cmap=plt.cm.Blues_r)
m.plot(leste1.lon, leste1.lat, '*y', markersize=8)
m.drawcoastlines(zorder=5)
m.drawcountries(zorder=4)
m.fillcontinents(zorder=3)
m.drawparallels(np.arange(-24,0,2),
	labels=[1, 0, 0, 0],dashes=[1,1000],zorder=6)