p_sp = production.P_sp(z, nuc)
mu = muon.P_mu_total(z, alt, nuc, full_data=True)
C_steady = sim.steady_erosion(z, p_sp, mu['P_fast'], mu['P_neg'], eros_rate,
nuc, t, t_exp)
t_gl = 15000
t_int = 85000
t_cycle = t_gl + t_int
n_gl = int(np.floor(t_exp / t_cycle))
dz_scalar = eros_rate * t_cycle
dz = np.ones(n_gl) * dz_scalar
# interpolate a really awesome production rate function
max_possible_depth = n_gl * dz_scalar + z_max
npts = 500 # points to interpolate through
p = production.interpolate_P_tot(max_possible_depth, npts, alt, lat, nuc)
C_gl = sim.multiglaciate(dz, t_gl, t_int, 0, z, nuc, p, n_gl=n_gl)
t_mid_postgl = 15000 # yr
C_post15k = sim.simple_expose(z, t_mid_postgl, nuc, p)
fig_height = 6 # in.
fig_width = 5 # in.
fig = Figure(figsize=(fig_width, fig_height))
fig_dpi = 500
canvas = FigureCanvas(fig)
ax = fig.add_subplot(111)
# ax.set_title('Steady v.s. glacial erosion', fontsize=14)
ax.semilogx(C_steady, z_m, 'k--', label='Steady erosion')
leg = ax.legend(loc='lower right', prop=leg_prop)
ax.invert_yaxis()
#ax.invert_xaxis()
#ax.invert_yaxis()
#plt.xlabel('Time Before Present (Myr)')
#plt.ylabel('Depth (m)')
#plt.grid(linestyle='-', color='0.75')
#plt.xlim(left=2)
#plt.ylim(bottom=75)
#plt.savefig('true_hist.png')
# interpolate a production function
max_possible_depth = con['n_gl'] * con['max_dz'] + con['bottom_depth']
# if production file exists already
p = production.interpolate_P_tot(max_possible_depth,
npts=con['interp_pts'],
alt=con['alt'],
lat=con['lat'],
n=con['nuclide'])
# calculate the true concentration profile (w/ many points, not sample depths)
z_true_manypts = np.linspace(0, con['bottom_depth'], 200)
C_true_manypts = sim.multiglaciate(con['dz'],
con['t_gl'],
con['t_int'],
con['t_postgl'],
z_true_manypts,
con['nuclide'],
p,
con['n_gl'],
postgl_shielding=con['postgl_shielding'])
fig.subplots_adjust(bottom=0.13)
ax.set_xlim(left=2)
ax.set_ylim(bottom=75)
canvas.print_figure('var_hist.png', dpi=500)
ax.set_title('Steady Erosion History', fontsize=12)
const_line, = ax.plot(con['t'] * 1e-6, z_const, 'b')
ax.lines.remove(var_line)
canvas.print_figure('const_hist.png', dpi=500)
fig_height = 5 # in.
fig_width = 3.5 # in.
# interpolate a production function
max_possible_depth = con['n_gl'] * con['max_dz'] + con['bottom_depth']
p = production.interpolate_P_tot(max_possible_depth,
npts=con['n_prod_interp_pts'], alt=con['alt'],
lat=con['lat'], n=con['nuclide'])
# make target concentration graph
z_target = np.linspace(0, con['bottom_depth'])
C_target = sim.multiglaciate(con['dz'], con['t_gl'], con['t_int'],
con['t_postgl'], z_target, con['nuclide'], p,
con['n_gl'],
postgl_shielding=con['postgl_shielding'])
conc_fig = Figure(figsize=(fig_width, fig_height))
conc_canvas = FigureCanvas(conc_fig)
ax = conc_fig.add_subplot(111)
ax.set_title('Target Concentration Profile', fontsize=12)
ax.semilogx(C_target, z_target / con['rho'] / 100)
p_sp = production.P_sp(z, nuc)
mu = muon.P_mu_total(z, alt, nuc, full_data=True)
C_steady = sim.steady_erosion(z, p_sp, mu["P_fast"], mu["P_neg"], eros_rate, nuc, t, t_exp)
t_gl = 15000
t_int = 85000
t_cycle = t_gl + t_int
n_gl = int(np.floor(t_exp / t_cycle))
dz_scalar = eros_rate * t_cycle
dz = np.ones(n_gl) * dz_scalar
# interpolate a really awesome production rate function
max_possible_depth = n_gl * dz_scalar + z_max
npts = 500 # points to interpolate through
p = production.interpolate_P_tot(max_possible_depth, npts, alt, lat, nuc)
C_gl = sim.multiglaciate(dz, t_gl, t_int, 0, z, nuc, p, n_gl=n_gl)
t_mid_postgl = 15000 # yr
C_post15k = sim.simple_expose(z, t_mid_postgl, nuc, p)
fig_height = 6 # in.
fig_width = 5 # in.
fig = Figure(figsize=(fig_width, fig_height))
fig_dpi = 500
canvas = FigureCanvas(fig)
ax = fig.add_subplot(111)
# ax.set_title('Steady v.s. glacial erosion', fontsize=14)
ax.semilogx(C_steady, z_m, "k--", label="Steady erosion")
leg = ax.legend(loc="lower right", prop=leg_prop)
ax.invert_yaxis()
