Table 4 Gas transfer velocity normalised to Schmidt number of 600 (k600) parameterisations using various methods in published literature

From: High carbon dioxide emissions from Australian estuaries driven by geomorphology and climate

Literature

k600 parameterisations

Method

Study area

Eqn.

Rosentreter et al.97

k600 = −0.08 + 0.26 v + 0.83U10 + 0.59 h

Flux chamber

Three mangrove estuaries

6

Borges et al.27

k600 = 1 + 1.719v0.5 h−0.5 + 2.58U10

Flux chamber

Macrotidal estuary (Scheldt)

7

Jiang et al.53

k600 = 0.314 U102 - 0.436U10 + 3.99

Predictive modelling

Global

8

Ho et al.28.

k600 = 0.77 v0.5 h−0.5 + 0.266U10

3He/SF6

Mangrove estuaries

9

Wanninkhof94

k = 0.251U102 (Sc/660)−0.5

Global ocean inverse model

Global

10

  1. v is the current velocity in cm s−1, h is the water depth (m), and U10 is the wind speed (m s−1) at 10 m height calculated according to Amorocho and DeVries98.
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