HAL Id: hal-02103233
https://hal.archives-ouvertes.fr/hal-02103233
Submitted on 18 Apr 2019
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Dynamics under location uncertainty and other
energy-related stochastic subgrid schemes
Valentin Resseguier, Long Li, Gabriel Jouan, Pierre Dérian, Etienne Mémin,
Bertrand Chapron
To cite this version:
Valentin Resseguier, Long Li, Gabriel Jouan, Pierre Dérian, Etienne Mémin, et al.. Dynamics under
location uncertainty and other energy-related stochastic subgrid schemes. 2019 - Workshop
Conserva-tion Principles, Data and Uncertainty in Atmosphere-Ocean Modelling, Apr 2019, Potsdam, Germany.
pp.1-70. �hal-02103233�
Dynamics under location
uncertainty and
other energy-related stochastic
subgrid schemes
V. Resseguier
L. Li, G. Jouan, P. Derian,
E. Memin, B. Chapron
Motivations
•
More rigorously identified sudgrid dynamics effects
•
Quantification of modeling errors (UQ)
2
•
Models under location uncertainty (LU)
•
Some parameterization of the models under
location uncertainty
•
A new energy-budget-based stochastic scheme:
WaveHyperv
•
Numerical comparisons
Part I
Models under location
uncertainty (LU)
v = w +
B
˙
LU :Adding
v = w +
B
˙
Resolved
large scales
LU :Adding
random velocity
5
v = w +
B
˙
Resolved
large scales
White-in-time
small scales
LU :Adding
v = w +
B
˙
Resolved
large scales
White-in-time
small scales
LU :Adding
random velocity
5
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
v = w +
B
˙
Resolved
large scales
White-in-time
small scales
LU :Adding
random velocity
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Mikulevicius &
Rozovskii, 2004
Flandoli, 2011
Holm, 2015
Holm and
Tyranowski, 2016
Arnaudon et al. 2017
Cotter and al. 2017
Memin, 2014
Resseguier et al. 2017 a, b, c
Cai et al. 2017
Chapron et al. 2018
Yang & Memin 2019
Resseguier et al. 2019 a,b
Crisan et al., 2017
Gay-Balmaz & Holm 2017
Cotter and al. 2018 a, b
Cotter and al. 2019
LU
SALT
v = w +
B
˙
Resolved
large scales
White-in-time
small scales
LU :Adding
random velocity
5
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Mikulevicius &
Rozovskii, 2004
Flandoli, 2011
Holm, 2015
Holm and
Tyranowski, 2016
Arnaudon et al. 2017
Cotter and al. 2017
Memin, 2014
Resseguier et al. 2017 a, b, c
Cai et al. 2017
Chapron et al. 2018
Yang & Memin 2019
Resseguier et al. 2019 a,b
Crisan et al., 2017
Gay-Balmaz & Holm 2017
Cotter and al. 2018 a, b
Cotter and al. 2019
Advection
of tracer
Θ
D⇥
Dt
= 0
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
of tracer
Θ
6
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
of tracer
Θ
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Advection
of tracer
Θ
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
6
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
Drift correction
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
6
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
Drift correction
Multiplicative
random
forcing
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
Drift correction
Multiplicative
random
forcing
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
6
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
Drift correction
Multiplicative
random
forcing
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Advection
Diffusion
Advection
of tracer
Θ
Drift correction
Multiplicative
random
forcing
Balanced
energy
exchanges
@
t
⇥ + w
?
· r⇥ +
B
˙
· r⇥ = r ·
✓
1
2
a
r⇥
◆
6
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Part II
Some parameterization
of LU models
Part II
Some parameterization
of LU models
7
=?
y(
m
)
x(m)
t = 0 d ay s
0
2
4
6
8
x 10
5
0
5
10
x 10
5
−1
−0.5
0
0.5
1
x 10
−3
10
-5
10
-4
10
2
10
4
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Reference:
KE Spectrum
MU Spec
Spectral model
(homogeneous and stationary )
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˙
˙
B
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y(
m
)
x(m)
t = 0 d ay s
0
2
4
6
8
x 10
5
0
5
10
x 10
5
−1
−0.5
0
0.5
1
x 10
−3
10
-5
10
-4
10
2
10
4
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
8
Reference:
Resseguier, Memin & Chapron 2017b
KE Spectrum
Fixed spectrum
at small scales
MU Spec
Spectral model
(homogeneous and stationary )
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˙
˙
B
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y(
m
)
x(m)
t = 0 d ay s
0
2
4
6
8
x 10
5
0
5
10
x 10
5
−1
−0.5
0
0.5
1
x 10
−3
10
-5
10
-4
10
2
10
4
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Reference:
KE Spectrum
Fixed spectrum
at small scales
MU Spec
Spectral model
(homogeneous and stationary )
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˙
˙
B
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(filter) (white noise)
B =
˙
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⇤
<latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit>
Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
9
MU ADSD
Reference:
Resseguier, Pan & Fox-Kemper 2019a
˙
B
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Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
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Reference:
˙
B
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Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
<latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit>9
MU ADSD
Reference:
Resseguier, Pan & Fox-Kemper 2019a
˙
B
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Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
<latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit>MU ADSD
Reference:
˙
B
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Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
<latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">AAAC6XicjVHLSsNAFD2Nr1pfVZduglWom5KKoBuhKoLLCvYBbSmTdFpD8yKZCKX4A+7ciVt/wK3+iPgH+hfeGdOiFtEJSc49954zc+eagWNHwjBeU9rU9MzsXHo+s7C4tLySXV2rRn4cWrxi+Y4f1k0Wccf2eEXYwuH1IOTMNR1eM/snMl+74mFk+96FGAS85bKeZ3dtiwmi2tmto3yzz4KA7eiZQ/10HDQFi8dBO5szCoZa+iQoJiCHZJX97Aua6MCHhRguODwIwg4YInoaKMJAQFwLQ+JCQrbKc1wjQ9qYqjhVMGL79O1R1EhYj2LpGSm1Rbs49Iak1LFNGp/qQsJyN13lY+Us2d+8h8pTnm1AfzPxcokVuCT2L92o8r862YtAFweqB5t6ChQju7MSl1jdijy5/qUrQQ4BcRJ3KB8StpRydM+60kSqd3m3TOXfVKVkZWwltTHe5SlpwMWf45wE1d1CkfD5Xq50nIw6jQ1sIk/z3EcJZyijQt43eMQTnrW+dqvdafefpVoq0azj29IePgA+Zpu1</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit>9
MU ADSD
Reference:
Resseguier, Pan & Fox-Kemper 2019a
˙
B
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Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
<latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">AAAC6XicjVHLSsNAFD2Nr1pfVZduglWom5KKoBuhKoLLCvYBbSmTdFpD8yKZCKX4A+7ciVt/wK3+iPgH+hfeGdOiFtEJSc49954zc+eagWNHwjBeU9rU9MzsXHo+s7C4tLySXV2rRn4cWrxi+Y4f1k0Wccf2eEXYwuH1IOTMNR1eM/snMl+74mFk+96FGAS85bKeZ3dtiwmi2tmto3yzz4KA7eiZQ/10HDQFi8dBO5szCoZa+iQoJiCHZJX97Aua6MCHhRguODwIwg4YInoaKMJAQFwLQ+JCQrbKc1wjQ9qYqjhVMGL79O1R1EhYj2LpGSm1Rbs49Iak1LFNGp/qQsJyN13lY+Us2d+8h8pTnm1AfzPxcokVuCT2L92o8r862YtAFweqB5t6ChQju7MSl1jdijy5/qUrQQ4BcRJ3KB8StpRydM+60kSqd3m3TOXfVKVkZWwltTHe5SlpwMWf45wE1d1CkfD5Xq50nIw6jQ1sIk/z3EcJZyijQt43eMQTnrW+dqvdafefpVoq0azj29IePgA+Zpu1</latexit><latexit sha1_base64="PWsXr/FeIgTZ1EgDJzZiB731GGc=">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</latexit>MU ADSD
Reference:
Residual
non-stationary
ADSD
˙
B
<latexit sha1_base64="P76uoFf63UH7r/8X+TFasoqD35o=">AAACEnicbVC7TsMwFHXKq5RXgJHFokKCpUoQEoxVWRiLRB9SE1WO47RWbSeyHaQqyjew8CssDCDEysTG3+C0GUrLkSwfnXOvfe8JEkaVdpwfq7K2vrG5Vd2u7ezu7R/Yh0ddFacSkw6OWSz7AVKEUUE6mmpG+okkiAeM9ILJbeH3HolUNBYPepoQn6ORoBHFSBtpaF94QcxCNeXmyjxFRxzl0AtjncFFp5XnQ7vuNJwZ4CpxS1IHJdpD+9u8g1NOhMYMKTVwnUT7GZKaYkbympcqkiA8QSMyMFQgTpSfzVbK4ZlRQhjF0hyh4Uxd7MgQV8VsppIjPVbLXiH+5w1SHd34GRVJqonA84+ilEEdwyIfGFJJsGZTQxCW1MwK8RhJhLVJsWZCcJdXXiXdy4Zr+P1Vvdkq46iCE3AKzoELrkET3IE26AAMnsALeAPv1rP1an1Yn/PSilX2HIM/sL5+AfTwnuU=</latexit><latexit sha1_base64="P76uoFf63UH7r/8X+TFasoqD35o=">AAACEnicbVC7TsMwFHXKq5RXgJHFokKCpUoQEoxVWRiLRB9SE1WO47RWbSeyHaQqyjew8CssDCDEysTG3+C0GUrLkSwfnXOvfe8JEkaVdpwfq7K2vrG5Vd2u7ezu7R/Yh0ddFacSkw6OWSz7AVKEUUE6mmpG+okkiAeM9ILJbeH3HolUNBYPepoQn6ORoBHFSBtpaF94QcxCNeXmyjxFRxzl0AtjncFFp5XnQ7vuNJwZ4CpxS1IHJdpD+9u8g1NOhMYMKTVwnUT7GZKaYkbympcqkiA8QSMyMFQgTpSfzVbK4ZlRQhjF0hyh4Uxd7MgQV8VsppIjPVbLXiH+5w1SHd34GRVJqonA84+ilEEdwyIfGFJJsGZTQxCW1MwK8RhJhLVJsWZCcJdXXiXdy4Zr+P1Vvdkq46iCE3AKzoELrkET3IE26AAMnsALeAPv1rP1an1Yn/PSilX2HIM/sL5+AfTwnuU=</latexit><latexit sha1_base64="P76uoFf63UH7r/8X+TFasoqD35o=">AAACEnicbVC7TsMwFHXKq5RXgJHFokKCpUoQEoxVWRiLRB9SE1WO47RWbSeyHaQqyjew8CssDCDEysTG3+C0GUrLkSwfnXOvfe8JEkaVdpwfq7K2vrG5Vd2u7ezu7R/Yh0ddFacSkw6OWSz7AVKEUUE6mmpG+okkiAeM9ILJbeH3HolUNBYPepoQn6ORoBHFSBtpaF94QcxCNeXmyjxFRxzl0AtjncFFp5XnQ7vuNJwZ4CpxS1IHJdpD+9u8g1NOhMYMKTVwnUT7GZKaYkbympcqkiA8QSMyMFQgTpSfzVbK4ZlRQhjF0hyh4Uxd7MgQV8VsppIjPVbLXiH+5w1SHd34GRVJqonA84+ilEEdwyIfGFJJsGZTQxCW1MwK8RhJhLVJsWZCcJdXXiXdy4Zr+P1Vvdkq46iCE3AKzoELrkET3IE26AAMnsALeAPv1rP1an1Yn/PSilX2HIM/sL5+AfTwnuU=</latexit><latexit sha1_base64="P76uoFf63UH7r/8X+TFasoqD35o=">AAACEnicbVC7TsMwFHXKq5RXgJHFokKCpUoQEoxVWRiLRB9SE1WO47RWbSeyHaQqyjew8CssDCDEysTG3+C0GUrLkSwfnXOvfe8JEkaVdpwfq7K2vrG5Vd2u7ezu7R/Yh0ddFacSkw6OWSz7AVKEUUE6mmpG+okkiAeM9ILJbeH3HolUNBYPepoQn6ORoBHFSBtpaF94QcxCNeXmyjxFRxzl0AtjncFFp5XnQ7vuNJwZ4CpxS1IHJdpD+9u8g1NOhMYMKTVwnUT7GZKaYkbympcqkiA8QSMyMFQgTpSfzVbK4ZlRQhjF0hyh4Uxd7MgQV8VsppIjPVbLXiH+5w1SHd34GRVJqonA84+ilEEdwyIfGFJJsGZTQxCW1MwK8RhJhLVJsWZCcJdXXiXdy4Zr+P1Vvdkq46iCE3AKzoELrkET3IE26AAMnsALeAPv1rP1an1Yn/PSilX2HIM/sL5+AfTwnuU=</latexit>
Absolute Diffusivity
Spectral Density
(
homogeneous but non-stationary and tuning-free )
w
w
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
Absolute Diffusivity
Spectral Density
A() = E()⌧ ()
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MU ADSD
Reference:
Resseguier, Pan & Fox-Kemper 2019a
(filter) (white noise)
B =
˙
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⇤
<latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit><latexit sha1_base64="v//LS0nZAWkEUMFOPunsLTcwR08=">AAAB6XicdVDJSgNBEK2JW4xb1KOXxiCIh6EnRDO5Bb14jGIWSIbQ0+lJmvQsdPcIYcgfePGgiFf/yJt/Y2cRVPRBweO9Kqrq+YngSmP8YeVWVtfWN/Kbha3tnd294v5BS8WppKxJYxHLjk8UEzxiTc21YJ1EMhL6grX98dXMb98zqXgc3elJwryQDCMecEq0kW7PUL9Ywrbr1pyKi7Dt4FoVVwzBtfJF9Rw5Np6jBEs0+sX33iCmacgiTQVRquvgRHsZkZpTwaaFXqpYQuiYDFnX0IiETHnZ/NIpOjHKAAWxNBVpNFe/T2QkVGoS+qYzJHqkfnsz8S+vm+rA9TIeJalmEV0sClKBdIxmb6MBl4xqMTGEUMnNrYiOiCRUm3AKJoSvT9H/pFW2HcNvKqX65TKOPBzBMZyCA1WowzU0oAkUAniAJ3i2xtaj9WK9Llpz1nLmEH7AevsERUWNMA==</latexit>
Residual
non-stationary
ADSD
˙
B
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y(
m
)
x(m)
t = 0 d ay s
0
2
4
6
8
x 10
5
0
5
10
x 10
5
−1
−0.5
0
0.5
1
x 10
−3
Random switching
of points
(heterogeneous and non-stationary )
Large scales:
Small scales:
Variance
tensor:
w
˙
B
a = a(x, x) =
E{ dB ( dB)
T
}
dt
˙
B
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