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Table 1 Summary of studies that develop or apply versions of the integrated Ornstein-Uhlenbeck process for modeling biological movement. Numbers 3 [34] and 5 [9] are extensions to spherical coordinates and for three-dimensional helical movement, respectively. The remaining models all correspond to one of more of the CVM family of models presented here

From: Correlated velocity models as a fundamental unit of animal movement: synthesis and applications

 

Authors

Nomenclature

Parameterization

Application

Comments

1

Dunn and Brown 1987 [32]

 

α - white noise spectrum

General cell motility

 
   

β - relaxation term

  

2

Alt 1990 [15]

 

T - persistence time

Unicellular organisms and individual cells

 
   

ω - mean angular speed

  
   

μ - mean advective speed

  
   

\(\sigma _{V}^{2}\) - variance of velocity

  

3

Brillinger and Stewart 1998 [34]

-

β - dynamical friction

Elephant seal (Mirounga angustirostris)

Spherical coordinates

   

σ - Brownian motion variance term

  
   

δ- speed of attraction to center

  

4

Johson et al. 2008 [12]

Continuous Time

γ - drift term

Northern fur seal (Callorhinus ursinus)

R package crawl [18] with state-

 

McClintock et al. 2014 [3]

Correlated Random Walk

β - autocorrelation parameter

Harbor seal (Phoca vitulina)

space observation error

  

(CTCRW)

σ - white noise variance term

  

5

Gurarie et al. 2011 [14]

Correlated Velocity

τ a ,τ o - characteristic time scales

Dinoflaggelate (Heterosigma akashiwo)

[15] adapted to 3D helical movement:

  

Helical Movement

σ a ,σ o - white noise term variance

 

* - a and o refer to advective and

  

(CVHM)

μ - 3-D mean velocity

 

oscillatory components, respectively)

   

ω - mean angular speed

  

6

Gurarie and Ovaskainen 2011 [9]

Correlated Velocity

τ - characteristic time scale

Encounter rate theory

 
 

Gurarie and Ovaskainen 2013 [16]

Movement (CVM)

σ - characteristic spatial scale

  
   

ν - mean tangential speed

  

7

Zattara et al. 2016 [33]

CVM

τ and ν as above

Regenerating cells in Pristina leidyi

 

8

Calabrese et al. 2016 [17]

Integrated Ornstein-

τ v - time scale of velocity autocorrelation

Presented as limiting case of OUF model [13]

R package ctmm [19]

  

Uhlenbeck (IOU)