Connectivityby numbers

James Watson, UCSB

...the probability of transport of a parcel of water between one place and another

Lagrangian particle simulations give us what...

Settlement from here

Sett

lem

ent

Location

There’s a Probability distribution for each patch

Number of Patches

Sourc

e

Destination

The results are stored as a connectivity matrix

Day 1

Day 2

Averaged over a Spawning Season

From Day 1 to Day 180

Time (Days)

Diff

ere

nce

to d

ay 1

… reveal ocean structures

Difference between Connectivity Matrices…

Average Connectivity Matrix

Sourc

e

Destination

Blue = exporterRed = importer

January Spawning - 30 day PLD, Import/Export ratio

January April July

PLD = 30 d PLD = 30 d PLD = 30 d

PLD = 60 d PLD = 60 d PLD = 60 d

PLD = 90 d PLD = 90 d PLD = 90 d

Release duration = one month

Summary...

• Connectivity holds a lot of information