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Dynamics under location uncertainty and other energy-related stochastic subgrid schemes

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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�

(2)

Dynamics under location

uncertainty and 


other energy-related stochastic

subgrid schemes

V. Resseguier

L. Li, G. Jouan, P. Derian,


E. Memin, B. Chapron

(3)

Motivations

More rigorously identified sudgrid dynamics effects


Quantification of modeling errors (UQ)


2

(4)

Models under location uncertainty (LU)

Some parameterization of the models under

location uncertainty

A new energy-budget-based stochastic scheme:


WaveHyperv

Numerical comparisons

(5)

Part I

Models under location

uncertainty (LU)

(6)

v = w +

B

˙

LU :Adding

(7)

v = w +

B

˙

Resolved

large scales

LU :Adding

random velocity

5

(8)

v = w +

B

˙

Resolved

large scales

White-in-time

small scales

LU :Adding

(9)

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

(10)

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

(11)

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

(12)

Advection


of tracer

Θ

D⇥

Dt

= 0

Large scales:

Small scales:

Variance

tensor:

w

˙

B

a = a(x, x) =

E{ dB ( dB)

T

}

dt

(13)

Advection


of tracer

Θ

6

Large scales:

Small scales:

Variance

tensor:

w

˙

B

a = a(x, x) =

E{ dB ( dB)

T

}

dt

(14)

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

(15)

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

(16)

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

(17)

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

(18)

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

(19)

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

(20)

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

(21)

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

(22)

Part II

Some parameterization


of LU models

(23)

Part II

Some parameterization


of LU models

7

=?

(24)

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

˙

˙

B

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(25)

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

˙

˙

B

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(26)

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

˙

˙

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>

(27)

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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(28)

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:

˙

B

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(29)

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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(30)

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=">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>

MU ADSD

Reference:

˙

B

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(31)

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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(32)

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:

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>

(33)

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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9

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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(34)

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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MU SVD

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